Grandmaster Repertoire 2: 1.d4

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Boris Avrukh •

4

VOLUME TWO

Tired of bad positions? Try the main lines!

QUALITY CHESS

Grandmaster Repertoire 2

1.d4 Volutne Tw-o -

By

Boris Avrukh

Quality Chess www.qualitychess.co.uk

First English edition 20 1 0 by Quality Chess UK LLP Copyright © 20 1 0 Boris Avrukh

Grandmaster Repertoire 2 -l.d4 volume two All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, electrostatic, magnetic tape, photocopying, recording or otherwise, without prior permission of the publisher. ISBN 978- 1 -906552-33-6 All sales or enquiries should be directed to Quality Chess UK LLP, 20 Balvie Road, Milngavie, Glasgow G62 7TA, United Kingdom e-mail: [email protected] website: www. qualitychess.co.uk D istributed in US and Canada by SCB Distributors, Gardena, California, US www.scbdistributors.com Distributed in Rest of the World by Quality Chess UK LLP through Sunrise Handicrafts, Smyczkowa 4/98, 20-844 Lublin, Poland Typeset: Jacob Aagaard Proofreading: Andrew Greet, Colin McNab, Jacob Aagaard and John Shaw Editing: Andrew Greet, Jacob Aagaard and John Shaw Cover design: Adamson Design Printed in Estonia by Tallinna Raamatutriikikoja LLC

Publisher's Foreword Creating the Grandmaster Repertoire series seemed a natural idea. There is a glut of opening

books at the Starting Out level. These books have certainly been refreshing, but they have

almost completely replaced high-level opening books.

As chess fans, we felt we were missing out, and because we can, we decided to do

something about it. The books in the Grandmaster Repertoire series are written by grandmasters, edited by

grandmasters, and will certainly be read by grandmasters. This does not mean that players who are not grandmasters cannot read them. We have worked hard to make our books

clear in their presentation and to make it possible for the readers to decide the depth to

which they want to study them.

When we were young and trying to be up-and-coming, we understood that you do not have to remember everything in an opening book in order to use it. It is our hope that those readers who find this repertoire too extensive and detailed, will ignore many of the details. Even now that we are grandmasters, we see the bolded moves as what we want to memorize, and the notes as explanations and illustrations. It is our conviction that you will eventually be more successful by playing the main lines, simply because they are based on better moves. Instinctively most players know this, but they fear losing to a prepared line and thus turn to unambitious systems, or unhealthy surprises. The opponent will not be able to use his preparation but, sadly, will not need it. These sidelines generally end in uninspiring positions almost automatically. Possibly the main reason why high-level opening books have disappeared is the rise of databases. It has been assumed that there is no point in having traditional opening books anymore, as you can look it all up in the database. Some rather lazy authors have a system: collect a few hundred games from the database, give Fritz a few moments, then hit Print. Such books add nothing to chess literature. We have seen enough of them and have never wanted to add to that pile. In these days of multi-million game databases, we all have access to information, what is lacking is understanding. In the Grandmaster Repertoire series, very strong players will share their understanding and suggest strong new moves that are in no one else's database. We are excited about this new series and hope that the reader will share some of that excitement. John Shaw & Jacob Aagaard

Contents Key to symbols used & Bibliography

6

Foreword by Grandmaster Boris Gelfand

7

Bibliography

8

Foreword by the Author

9

The Bogo-Indian Defence 1

4...c5

13

2

4...�xd2t

19

3

4...a5

30

4

4.. :l{life7

36

The Budapest Gambit 5

Farajowicz Variation

59

6

Classical Variation

66

Benoni Systems 7

Catalan Benoni

8

Snake Benoni

102

9

Benoni without ... t2Jf6

108

10

Reluctant Benoni

113

11

Czech Benoni

126

12

Old Benoni

144

13

Modern Benoni

164

14

Benko Gambit

201

92

The Dutch Defence 15

Stonewall Variation

221

16

Classical Variation

243

17

Leningrad Variation

262

18

St Petersburg Variation

289

The Griinfeld Defence 19

Dynamic Variation

297

20

Solid Variation

337

The King's Indian Defence 21 22 23 24 25 26

6...ig4

6... tLlc6 & 7...ig4 6...tLlc6 & 7...if5 6... tLlc6 & 7... e5

6... tLlc6 & 7 ...a6

6...tLlc6 & 7...�b8

367 370 379 387 400 414 426

27

6... c6

28

6...tLlbd7

460

29

9...\Wb6

491

The Modern Defence 30

Wade Defence

501

31

The Modern Defence

521

Minor Systems 32

2 ...b6

538

33

b-pawn Systems

542

34

English Defence

556

35

Black Knights Tango

572

36

Old Indian

578

37

Queen's Indian Attempt

587

38

Odd ideas

593

Index of Variations

601

Key to symbols used ± +

+-

-+

iiD

f! co

?? !! !? ?! #

White is slightly better Black is slightly better Whi te is better Black is better White has a decisive advantage Black has a decisive advantage equality with compensation with counterplay unclear a weak move a blunder a good move an excellent move a move worth considering a move of doubtful value mate

By Grandmaster Boris Gelfand Every chessplayer, from club level to World Champion, comes up against the problem of choosing an opening repertoire. How are you to keep your bearings amid the ocean of information - when hundreds of thousands of games are played worldwide every year, and the standard databases contain millions of them? W here are you to find the compass enabling you to obtain a position that suits your taste? Should you perhaps do what some renowned specialists advise, and abandon all thoughtful study of the opening phase - or put all your trust in analysis by computer programs? The readers of this book have hit upon the best way out of the dilemma: the brilliant theoretician and profound analyst Boris Avrukh is sharing his recommendations with them, in all the closed openings. Mikhail Botvinnik and Viktor Korchnoi used to divide chessplayers into those who create opening theory and those who utilize the results of these labours.

Boris Avrukh belongs to the small number in the former category. I have played in the

Israeli team together with Boris on several occasions, and could personally observe what encyclopaedic knowledge this exceptional player possesses. Grandmasters of the highest rank have fallen victim to his opening preparation.

I am convinced that this will become a constant reference book for a great many readers. Boris Gelfand

World Championship Runner-Up 2007 and 2009 World Cup winner

Bibliography

Aagaard: Stonewall II, Quality Chess 2007. Avrukh: Grandmaster Repertoire 1: 1.d4 - Volume 1, Quality Chess 2008. Bogdanov: Chess Explained: ?he Grunfeld, Gambit 2009. Bologan: ?he King's Indian A Complete Black Repertoire, Chess Stars 2009. Gutman: Budapest Fajarowicz, Batsford 2004. Johnsen & Bern: Win with the Stonewall Dutch, Gambit 2009. Kindermann: Leningrad System, Progress I n Chess 2005. Moskalenko: ?he Fabulous Budapest Gambit, New In Chess 2007. Palliser: ?he Modern Benoni Revealed, Batsford 2005. Palliser, Emms, Ward & Jones: Dangerous Weapons: ?he Benoni and Benko, Everyman Chess -

2008.

Palliser, Flear & Dembo: Dangerous Weapons: ?he King's Indian, Everyman Chess 2009. Palliser, Williams & Vigus: Dangerous Weapons: ?he Dutch, Everyman Chess 2009. Pinski: ?he Benko Gambit, Quality Chess 2005. Rowson: Understanding the Grunfeld, Gambit 1999. Taylor: ?he Budapest Gambit, Everyman Chess 2009. Watson: Mastering the Chess Openings - Volume 2, Gambit 2007. Watson: ?he Gambit Guide to the Modern Benoni, Gambit 2001. Periodicals

Chess Informant Chess Today New In Chess Magazine New In Chess Yearbooks Secrets of Opening Surprises TWIC MegaBase Corr. Database

By the Author I would like to share my thoughts about the first volume of my 1 .d4 Grandmaster Repertoire. First of all, I did not expect it to be such a great success. It is remarkable that I became a "chess celebrity" thanks to my book and not my chess achievements. As far as I know English, German and Italian editions have been published, and soon Spanish and Russian versions should appear. I am really grateful to Jacob Aagaard and John Shaw, who helped me greatly in every aspect that goes into making a high-level book. It is incredible how many people have asked me when the second volume would be out. I have to admit that, thanks to my book, I became extremely popular on the Internet, where I provide chess lessons online - the number of my students increased drastically. I was also invited to hold a chess seminar in Germany (where it seems almost everybody has my book!) working on the subject "An Opening Repertoire for White". It was a successful event, j udging by the feedback I received from the participants. I am flattered that at every tournament I have played in since the first volume was published my colleagues have told me they admired my work. I would especially like to mention one case - at the last European Team Championship, which was held in Novi Sad, I was pleasantly surprised when Viktor Korchnoi came up to me and said that he was really impressed with the quality of the book. For me this was perhaps the most valuable opinion. I have enormous respect for Korchnoi, and I have heard he rarely hands out compliments to his colleagues! After his words I immediately remembered one of his "masterpieces". At the Dresden Interzonal tournament in 1 998, Korchnoi lost a game with White against Smirin, where Ilya sacrificed a knight in his favourite King's Indian and launched a decisive attack. Korchnoi reacted with rhe following phrase: "You are really very good in the King's Indian" and then after a few seconds pause he continued with, "when your opponent is in time trouble!" I would also like to share wirh you various opinions of other top Grandmasters. Shortly after a famous incident in Calcutta, Vlad Tkachiev travelled alone to Israel. He relaxed for ten days at a famous Dead Sea resort, disconnecting from everybody and just working on chess with the help of my book. In our conversations he praised it highly, but at the same time he pointed out some places that were unclear in his opinion. However, his main point was how much he liked the way I cover dubious lines and that now he does not need to work on rhem, or waste time during his preparation before a game.

A Top 1 0 player (who I should not name) pointed out that for him the most important detail when he j udges a book is if it contains a single idea that is good enough to be worth him playing it. As I understand it, he believes my book had several interesting ideas! I also heard a remarkable opinion from another Top 1 0 player (again I do not have permission to name him) who claimed that my book was a "crime" against my colleagues, since now it is very easy for amateurs to pose problems against grandmasters! When I asked why my book was picked out as guilty from among thousands of opening books, he responded that other books were a waste of his time. After quoting the elite, perhaps I should offer some advice for grandmasters of my level. Writing a book is a good chance to express yourself, to make your name better known, and at the same time, if the book is successful, it might be a good earner! Players of my level rarely receive big appearance fees, since we do not often get the opportunity to play in closed tournaments. I usually play in Open tournaments or team events. I often talk to players who are surprised that an active chess player like me would be willing to reveal so many new ideas. Why not keep them secret until they can be sprung on an unwary opponent? First of all, I would never start working on a book if I intended to hide the most important details or recommend second-rate moves. Secondly, I believe that if you work seriously on the openings you can always find plenty of new ideas. I give away many novelties in this book and the previous one, but I am sure I can find more! I think this is one reason why we like our game - you can never hope to give a final conclusion, as there will always be some hidden resources. To my great surprise, during my work on this book I managed to play some good chess, sharing 1 st-2nd place in two big Opens (the Politiken Cup and the Zurich Jubilee) . I won last round games against Malakhov and Morozevich respectively. The aim of this book is to help the readers' chess, and I hope it does, but it already seems to have helped mine! Finally, I hope that I have managed to match the level of the first book, and that the reader will enjoy the second volume as much as the first. How I selected the repertoire

The first volume of my 1 .d4 G M Repertoire covered 1 .d4 d5 openings, while this second one is going to deal with all the rest. I would like to explain how I chose which lines to recommend for White. I select serious variations and then analyse i n depth, looking for improvements. I want the readers to have a repertoire that will last, so if there is a choice between two strong lines I choose the one where the theory is less likely to change on a daily basis. Moving on to specifics, I will say a few words about my choices against the main lines. The King's Indian Defence

The biggest part of Volume 2 is dedicated to systems where Black fianchettoes his dark-squared bishop. The key decision for me was to choose the right system versus the King's Indian Defence. Here I simply followed my experience and feelings. A few years ago I said to myself: "Why should

I allow my opponent such good attacking chances in this opening?" (Actually this happened after I got mated several times, especially by Ilya 5mirin!) "So why not secure my king by fianchettoing

my light-squared bishop?" I started playing the Fianchetto Variation, scored well, and felt really comfortable in the opening part of the game.

The Griinfeld Defence Mter choosing my line against the King's Indian it was easier to move forward. Obviously against the Griinfeld I was obliged to choose another fianchetto variation and I am not disappointed with my choice. I think the Griinfeld is a particularly tough opening to crack. For example, nowadays even the elite players mostly go for one-game-ideas against the Griinfeld.

The Mode rn Defence I was a little restricted in my choice against the Modern Defence, as I could not recommend anything other than a fianchetto system, because of the possibility that otherwise we could face a transposition to a line of the King's Indian that is not part of our repertoire. Fortunately, the g3-system against the Modern is a serious weapon that leads to very rich play.

The Dutch Defence Against all the various forms of the Dutch Defence, current theory considers a kingside fianchetto to be White's most reliable weapon. This fits with our repertoire style, so the objective merits and my taste both point towards the same lines.

The Ben ko Gambit A similar situation arises when we face the Benko Gambit. Accepting the pawn, followed by a kingside fianchetto, is now considered to be White's most dangerous system. So it is also our system.

The Mode rn Benoni The Modern Benoni is a particularly exciting part of this book. The fianchetto lines that I have analysed can lead to incredible complications and I suggest several key improvements. We should not worry about the complexity as, for example, I have a great score with the fianchetto system. In fact, since this line can arise via a Catalan move order we do not have much choice anyway. In summary, I believe this book offers a strong and reliable repertoire. I hope my lines will serve the readers well. Boris Avrukh Beer-5heva, 5th February 2010

Bogo-Indian a

4 c5

b

c

d

e

f

g

...

Variation Index l .d4 ctJf6 2.c4 e6 3.g3 J.b4t 4.J.d2 cS A) 6... dS B) 6 ... 0-0 7.e4 d6 8.ctJe2 Bl) 8 ... ctJc6 B2) 8 ... eS 9.a3 B2 1) 9... ctJa6 B22) 9.. :�Nb6

S.J.xb4 cxb4 6.J.g2 14 15 15 16 17 18

A) after 1 l . . .:gfd8

B l ) after 1 l ...tiJe7

B2 1 ) after 1 3...�b6

7

6 4

3

2

a

b

c

d

e

1 2.e4!N

f

g

h

a

b

c

d

e

f

1 2 .�d2!N

g

b

a

b

c

d

e

1 4.c5!N

f

g

h

h

14

The Bogo-I ndian Defence

l .d4 lLlf6 2.c4 e6 3.g3 ib4t This is not the traditional Bogo-Indian Defence as White's knight has not yet emerged on f3. This is in general to White's advantage. Against a lot oflines White will play lO f3 quite soon, bur in some cases he will follow up with ig2 and e2-e4, taking advantage of the move order.

Indian, where Black employs the same ideas, is that White's knight is still on g l and White has an extra option of playing e2-e4 at once, followed by developing his knight to e2.

A) 6 ... d5

4.id2 c5

a

b

c

d

e

f

g

h

A thematic idea taken directly from the traditional Bogo-Indian. Black wants to delay taking on d2 and prepares to capture on d4 with the c-pawn. If he had taken on d2 and then played ... c7-c5, White would have d4d5, but in this position this is less attractive, as either the pawn would be simply hanging, or White would have to take on b4 first, creating a square on c5 for Black. So, White is best off keeping things flexible in the centre, but without allowing Black to take on d4.

5.ixb4 As always, this exchange is the critical test of Black's idea. 5 ... cxb4 6.ig2 As mentioned i n passing above, the main difference compared with other openings such as the main line Bogo-Indian or Queen's

This move is not the most common, as I have noticed that Black players often prefer to avoid playing the pawn to d5. It seems that now Black's pawn structure loses flexibility and White enjoys a pleasant edge. For instance:

7.lLld2 lLlc6 8.lLlgf3 0-0 9.0-0 id7 Another line runs: 9 ... b6 1 0.:1kl ib7 1 1 .e3 Wd6 1 2.Wa4 White has very easy play, while Black lacks serious counterplay. It is no wonder that Black quickly lost the thread in the following encounter: 1 2 . . .l'%fc8 1 3.l'%c2 l'%c7 1 4.l'%fc l l'%ac8 1 5.cxd5! A well-timed decision. 1 5 ... exd5? Black misses White's next idea. The correct recapture was 1 5 ... lOxd5, although after 1 6.lOe 1 White retains a pleasant edge; it feels as though White is playing with an extra pawn. 1 6.ih3! lOd7 1 7.lOe5 Black cannot avoid losing material, Ivanchuk - Gulko, New York 1 988.

Chapter 1 - 4 . . . c5

1O.e3 Wffe7 I 1.Wffe2 Also 1 1 .lLle5 Elfc8 1 2.Wffe2 �e8 1 3 .Elacl comes into consideration, with better chances for White. I1...Elfd8 This is Braun - Jojua, Batumi 2006. Commenting on this game in ChessBase Magazine 1 15 Braun proposed the following improvement:

15

1 2.a3 Quite a natural idea, as White wants to gain the c3-square for his knight. Also worthy of consideration was 1 2. ttJd2. I examined the following approximate line: 1 2 ...�g4 1 3.ttJb3 f6 1 4.f3 �f5 1 5.f4 b6 1 6.Elcl Wid7 1 7.ttJa 1 ! A remarkable move: White's knight is heading for e3 via c2. White is better. 1 2 ...�f5 1 3.axb4 ttJxb4 1 4.ttJbc3 White has the advantage, thanks to his better pawn structure.

8.tLle2

B) 6 ...0-0 A more flexible approach than the previous line, as Black can vary the destination of his d-pawn.

At this point Black has two serious options, B1) 8 ... tLlc6 and B2) 8 ... eS.

Bl) 8 ... tLlc6 Seldom played. I developed this line:

7.e4 d6 This is what is usually played, but in Chess Informant 66 Beliavsky noted the following alternative for Black: 7... d5 Beliavsky's line looks convincing: 8.cxd5 exd5 9.e5 lLle8 1O.lLle2 lLlc6 1 1 .0-0 CiJc7 If Black plays 1 1 ...�g4 it can be comfortably met with 1 2.f3.

9.a3 Wffb 6 Instead 9 ...bxa3 1 0.ttJxa3 Wia5t 1 1 .Wid2 is slightly better for White. 1 0.0-0 eS I also examined the thematic: 1 0 ... a5 1 1 .axb4 Wixb4 1 2.ttJa3 White's knight is heading for the weakened b5-square.

16

The Bogo-Indian Defence

1 2 ... e5 Certainly Black cannot capture the b2pawn: 12 ... 'I'tlxb2 1 3.ttJb5 and Black's queen is in danger, for example 1 3 .. J'3:d8 1 4.ttJf4 threatening ttJd3. 1 4 ... ttJb4 1 5 .ttJd3 ttJxd3 1 6.'I'tlxd3 Black is helpless against the threat of:Bfb l . 1 3.ttJb5 With the better prospects for White.

l 1 .dS liJe7

narural 1 4.ttJb5 id7 1 5.ttJec3 ixb5 1 6.ttJxb5 ttJd7, with reasonable play for Black.

14.. .'<MrxcS Clearly bad is 1 4 . . . dxc5? 1 5.ttJc4 and Black's centre will be annihilated. I S.:Bfcl W'b4 1 6.W'xb4 axb4 17.ttJc4 Now the following consequences are essentially forced: 17 ...:Bxal 18.:Bxal liJe8 Much worse is: 1 8 ... :Bd8 1 9.:Ba5! The idea is to transfer the rook to b5. 1 9 ... ttJe8 20.:Bb5 f5 2 1 .:Bxb4 fxe4 22.ttJc3 With a clear edge.

8

7

6

1 9.:Ba7

5

8

4

7

3

6

2

5

1 a

b

c

d

e

f

g

h

12.'I'tld2!N I believe this is stronger than 1 2.axb4 'I'tlxb4 1 3.'I'tld2 'I'tlxc4 1 4.:Bc1 'I'tlb3 1 5.ttJa3 ig4, which led to unclear play in Prusikin Laznicka, 5teinbrunn 2005. 1 2... bxa3 Inferior is 1 2 ... b3 1 3.'I'tlb4! when the b3pawn is a sitting target. 1 3.tLlxa3 as If Black tries 1 3 ...ig4 then after 1 4.ttJc1 :Bfc8 1 5.ttJd3 'I'tld4 1 6.:Bfe 1 , followed by 1 7.b3 and 1 8.ttJc2, White is clearly better. 14.cS! This prevents Black from seizing control of the dark squares on the queenside (especially b4 and c5) which might happen after the

4

3

2 1

a

b

c

d

e

f

g

h

White obviously has the initiative and after:

19 ... £5 20.exf5 liJxf5 2 1 .tLlb6 liJf6 22.:Ba4 White has an advantage. B2) 8 ... eS This is by far Black's main choice.

9.a3 I believe this is the most accurate move order for White. In fact, 9.0-0 is generally considered to be the

17

Chapter 1 - 4 . . . c5 main line, but I am slightly concerned about the position that might arise after: 9 ...�g4 10.f3 �e6 l 1 .�d3 (or 1 1 .b3 �b6 1 2.Wh 1 a5) 1 1 ...'IWb6 1 2.Wh1 exd4 1 3.tt:lxd4 tLlbd7 1 4.b3 This was Coelho - Leitao, Santos 2008, and now 1 4 ... a5 would lead to double-edged play. Black's activity compensates for his damaged pawn structure.

.m A�.t� i"�� ' ' '/.� �:I 'iv-wil � , "� � � .' .�'JI1 � '/J. �. '�� ""%{i � % 4 � � 8m 8 �� ""%. ""%_ � � � � 3 ""'%��_�� 8

7

6 5

2

1

�

i��_;=""%.i a

b

c

d

e

f

g

B21 ) 9 ... ttJa6 1 0.axb4 tLlxb4 1 1.�d2 a5 1 2.0-0 �e6!? Black tries to create some counterplay by attacking the white centre. He would be happy to see d4-d5, weakening White's dark squares. Passive tactics would not work well for Black, as was proven by the following encounter: 1 2 ... b6 1 3.tLla3 �a6 1 4.�ad 1 �e7 1 5. f4 �ac8 1 6.b3 �cd8 1 7.tLlc3 White had an obvious advantage in Grischuk - Yemelin, Sochi 2004.

1 3.tLla3 An interesting alternative is 1 3.b3 'lWb6 1 4.tLlbc3. 13 ...�b6

h

After 9.a3 Black has two main replies: B21) 9 tLla6 and B22) 9 ...�b6. Of only minor importance is: 9 ... bxa3 1 O.tLlxa3 tLlc6 1 1 .0-0 In my opinion this position is favourable for White, thanks to his extra space. Let's see a couple of illustrative continuations: 1 l ...\Wb6 1 l ...�g4 1 2.f3 �h5 I believe this is not the best place for Black's bishop; it was better to leave it on the h3-c8 diagonal. 1 3 .�d2 \Wb6 1 4.l':1:ad 1 �ad8 1 5 .W h 1 White had a positional advantage in Gleizerov - Bindrich, Stockholm 2006. 12.\Wd2 a5 1 2 ... tLlxd4 would lead to an inferior position for Black after 1 3.tt:lxd4 exd4 1 4.�fd 1 ±. 13.tLlb5 �d8 1 4.b3 14.tLlec3 was also very good. 14 ... tLlb4 1 5.tLlec3± White was clearly better in A. Horvath Toth, Budapest 2006. ...

a

b

c

d

e

f

g

h

14.c5!N This is a strong improvement over 1 4.tLlc3, which seems inaccurate, as it allows 1 4 ... exd4!N ( l 4 ...�xd4 1 5.'lWxd4 exd4 1 6.tLlcb5 d3 1 7.tLlxd6 led to a favourable position for White in I. Porat - Ilincic, Budapest 2005) 1 5.tLla4 �c6 when I do not see how White can fight for an advantage. 14 ... dxc5 15.d5 �Ud8 No better is 1 5 ...�g4 1 6.f3 �h5, as White has the simple 1 7.g4 �g6 1 8.tLlc4 �c7 1 9.d6

18

Th e Bogo-I ndian Defence

regaining the pawn and keeping a powerful position.

16.ttJc4 'l'!!fc7 17.ttJc3 I definitely prefer this move to 1 7.f4 exf4 1 8.ltJxf4 b5 with unnecessary complications. After the text move White has a clear advantage, as he is not only threatening to play Vf1g5 regaining the pawn, but also the simple f2-f4 advance is very powerful, as I cannot imagine how Black can stop White's central pawns. 17...�d7 1 8.f4 White is much better.

Maletin, Russia 2007, and now Black should have played: 1 2 ... exd4N 1 3.ltJxd4 ltJe5 1 4.ltJd5 Unfortunately White cannot play 1 4.Vf1e2 in view of 1 4 . . .ig4 1 5.f3 id7 followed by . .. 1"\ac8. 1 4 . . . ltJxd5 1 5.cxd5 id7 1 6.0-0 1"\ac8 With double-edged play.

1 0...1"\e8 The main point is 1 0 . . .bxa3 1 1 .ltJxa3 Vf1xb2? 1 2.ltJb5 and Black is in trouble. The serious alternative is: 1 0 ...ig4 1 1 .axb4 ltJc6 ( l 1 .. .ixe2 1 2.Vf1xe2 exd4 runs into the strong 1 3.c5! dxc5 1 4.bxc5 Vf1xc5 1 5.e5 ltJd5 1 6.ltJd2 and White's light-squared bishop should make a difference) 1 2.f3 ie6 1 3.ltJa3 exd4 1 4.h 1 Vf1xb4 1 5 .ltJxd4t White has a positional advantage.

B22) 9 'l'!!fb 6 •••

1 1.axb4 'l'!!fxb4 1 2.ttJa3 �g4 13.f3 �d7 1 4.b3 a5 1 5.'l'!!fd3 ttJa6 Both sides gradually conclude their plans.

a

b

c

d

e

f

g

16.1"\fc1 exd4 Probably Black should refrain from releasing the pressure in the centre. Now White consolidates his advantage. h

10.0-0 After some thought I have concluded that this is the best move order. 1 0.Vf1d2 This looks nice at first, but the problem is that Black has a very unexpected resource for this type of pawn structure: 1 0 . . . b3! This makes White's c4-pawn vulnerable and allows Black sufficient counterplay: 1 1 .ltJbc3 ltJc6 1 2.1"\d 1 This position was reached in Iskusnyh -

17.ttJc2 'l'!!f b6 1 8.'l'!!fxd4 tiJc5 1 9.1"\cb1 1"\a6 20.tiJc31; White had an edge in Avrukh - Kosashvili, Israeli League 2004. Conclusion: 4 ... c5 leads to interesting positions, but White is better with accurate play. White benefits, compared to the main lines of the Bogo Indian, from the increased flexibility caused by not having committed his king's knight to f3.

Bogo-Indian

a

4 ixd2t

b

c

d

e

f

g

...

Variation Index l .d4 lDf6 2.c4 e6 3.g3 �b4t 4.�d2 �xd2t 5 JWxd2

A) 5 ...0-0 6.�g2 d6 B) 5 ... d5 6.lDa 0-0 7.�g2 B l) 7 ...Wie7 8.0-0 B l l) 8 ... dxc4 B 12) 8 ... b6 B 1 3) 8 ... gd8 B2) 7 ... lDbd7 8.0-0 B2 l) 8 ... dxc4 B22) 8 ...Wie7 B23) 8 c6

20 21 22 22 23 24 25 25 26 28

..•

B 1 2) after l l ...iWe6

A) after I 5 ...l/Jd7

B23) note to I 2 ... dxc4

7 4 2

a

b

c

d

e

f

I 6.cxb5!N

g

h

a

b

c

d

e

f

I 2.iWf4!?N

g

h

a

b

c

d

e

f

I7.l/Jb5!N

g

h

h

20


l .d4 ttJf6 2.c4 e6 3.g3 i.b4t 4.i.d2 i.xd2t

.�

� ""J"�j}Jt� !JI "� !(if " � A ·I1 .t � *�

� � '" �!O��O : �� 3 ��,��.'. �J� ��, � ��, 8 W[j m 8 W[j ""��, W�� 6

2

1

%

�lt) , �. �

/

a

b

c

d

%

,,'

e

�"

f

g

,

h

5.�xd2 After long hesitation I decided to make my choice in favour of recapturing with the queen. Of course the alternative is taking with the knight, and in this case I believe Black should opt for a typical Bogo-Indian pawn structure of d6 and e5 (although ... d7-d5 is a possible option). The main point is that with his knight on d2 White would be forced to close the position with d4-d5, as he cannot hold the d4-square. I do not see any point in going deeply into this line, but I would like to show one critical continuation: 5.ttJxd2 ttJc6 6.ltJgf3 d6 7.e4 e5 S.d5 ltJbS 9.ig2 0-0 1 0.0-0 as 1 1 .ltJe1 ltJa6 1 2.ltJd3 Vff e7 Finally, via a different move order, the players reached an important theoretical tabiya. I assume Black could try to play without the move ...Vffe 7 (perhaps with 1 2 ... c6!?). 1 3.a3 One of many possibilities for White. 1 3 ...ig4 1 4.f3 id7 1 5 .b4 axb4 1 6.axb4 c6 The position was unclear in Rogozenko Parligras, Hamburg 200S. After the queen recaptures, the two main options are: A) 5 . .0-0 and B) 5 ... d5.

.

A) 5 ... 0-0 6.i.g2 d6 Now I suggest a very natural continuation:

7.e4 To my great surprise this interesting try has only appeared three times in practice. In my opinion it is very logical to benefit from not having our kingside knight on f3, and to advance quickly with e2-e4 followed by ltJe2. However, almost everyone seems to play either 7.ltJf3 or 7.ltJc3. 7... e5 The following line illustrates the value of White's set-up: 7 ... d5 This is obviously met by S.e5 ltJe4 and now I believe White can try to win a pawn with 9.ixe4 dxe4 1 0.ttJc3, not fearing 1 0 ... b6 1 1 .ttJxe4 ib7 12.f3. White will continue with 0-0-0 and ltJe2. I do not see anything special for Black. 7 ... c5 might be a good option for Black if it were not for S.dxc5! dxc5 9.e5 ltJfd7 (or 9 ...Vffxd2t 1 0.ttJxd2 ttJg4 1 l .f4;!;) 1 0.f4 and White enjoys a pleasant space advantage.

A _.t S ��*_

',Y-�r ".,"_""z� "� ".�. "� · � '. · � . 5 i8I 4 · .t· . �0� �! ."'. 3 �W� �;C",.f8 1 7.ifl , but after 1 7 ... c;!;>e7 1 8.ixc4 ie8 Black was not worse in Avrukh - Khetsuriani, Athens 2005. I also examined 1 5.!'Icl !'Ifd8 1 6.ttJxc4, but it is hard to believe White can hope for anything serious after 16 ... ttJxc4 1 7.!'Ixc4 c;!;>f8 1 8.i>f2 i>e7 1 9.9b4 !'Iab8 20.!'Id6 ie8 2 1 .!'Ibd4 f6!.

IS ... ct'lxc4 16.gxd7 gab8 17.!'Iadl� White retains a pleasant edge. Conclusion: Black's exchange on d2 is not very popular nowadays, despite being quite a reliable option. Still, it seems that White retains the better chances everywhere, with the help of some improvements.

Bogo-Indian

a

4 a5

b

c

d

e

f

g

...

Variation Index l .d4 �f6 2.c4 e6 3.g3 ib4t 4.id2 as S.ig2

A) S ... d6 B) 5 ... 0-0 C) S ... dS 6.�f3 0-0 7.0-0 Cl) 7... c6 C2) 7 ... �c6

A) after 8 ... e5

31 31 32 33 33

C l ) after lO . . .ib7

C2) note to 8 . . . dxc4

8

8

7

7

7

6

6

6

5

5

5

4

4

4

8

3

3

3

2

2

2

a

b

c

d

e

f

9.iiJbc3!?N

g

h

a

b

c

d

e

l l .e4!N

f

g

h

a

b

c

d

e

1 1 .a3!N

f

g

h

h

31

Chapter 3 - 4 . . . a5

l.d4 lLlf6 2.c4 e6 3.g3 J.b4t 4.J.d2 a5 This is the typical Bogo-Indian reaction. Black wants to keep his bishop on b4 for a while with the idya of either provoking a2a3, or exchanging the bishop for White's dark-squared bishop or queenside knight at a suitable moment. 5.ig2 Because of the flexible nature of the position, Black has a number of sensible moves at this point. He can play A) 5 ... d6, B) 5 ...0-0 or C) 5 .. . d5.

9.ClJbc3!?N Now the following line is not forced, but it does show typical play: 9 ... exd4 1 0.ctJxd4 ClJe5 1 1.b3 J.c5 1 2.ctJrs White seems to me to be better after: 12 ...J.xfS 13.exf5 c6 14.'\Wc2 White's chances are preferable, as he has a clear plan of improving his position - first :gad1 and then h2-h3, It> h 1 (or h2), f2-f4, g3g4 and so on. B) 5 ... 0-0 6.e4

A) 5 ...d6

This is quite a popular set-up for Black; next he intends ro develop his b8-knight to d7, followed by ... e6-e5.

6.e4 We stick to the idea from the previous line. 6 . lLl bd7 1f6 ... 0-0 7.lLle2 e5 then we reach a position that will be examined in line B via the 5 . . . 0-0 move order. ..

7.lLle2 0-0 8.0-0 e5 So far we have followed Agovic - Schein, Graz 200 1 , but now White should vary with:

a b c d

e

f

g

h

This idea should now be very familiar. We benefit from our early fianchetto set-up by developing the g1 -knight to e2, while at the same time avoiding a major theoretical tabiya that could arise after 6.ltJf3 b6. The text move has only been tried twice in tournament practice, but I believe it is worthy of greater popularity.

6...d5 The other game to reach this position instead continued: 6 ... d6 7.tiJe2 e5 Here I believe White should force Black to trade dark-squared bishops with: 8.a3

32


The text move is correct because after 8.0-0, as played in Housieaux - Epishin, Bethune 2005, I dislike 8 ...exd4 9.ttJxd4 ttJc6. In this case White experiences some difficulties in arranging his pieces in an optimal way, taking into account that �xb4 is hardly a good idea, while Black's dark-squared bishop might be transferred to c5. 1 0.�c3 �d7! leads to complicated double-edged play. 8 ...�xd2t 9.ttJxd2 I prefer recapturing with the knight to the more natural 9.Wxd2 when Black has a nice positional idea in 9 . . . a4 1 0.ttJbc3 ttJc6 and the possibility of ... ttJa5 is rather annoying. 9 ... exd4 Now 9 ... a4 is not a problem for us after 1 0.0-0. Black can then provoke us into playing d4-d5 with: 1 0 ... ttJc6 (if 1 0 .. J"\e8 we continue 1 1 .Wc2 waiting for Black's set-up, while we can choose between the usual f4idea and the more positional :gael and :gfd 1 ) 1 1 .d5 ttJb8 Black's intention i s to transfer his knight to c5 via d7, but we can disrupt his plans with 1 2.ttJc3 �d7 and then switch to our main idea of 1 3 . f4, with promising play. 1 0.ttJxd4 ttJc6 1 1 .ttJb5 ttJe5 1 2.0-0 c6 1 3.ttJc3 I prefer White due to his space advantage.

a b c d

7.eS!N

e

f

g

h

"-

Certainly this is much more accurate than 7.a3 �e7 8.e5 as was played in Cipra - Willim, Bechhofen 1 994, because Black could have created excellent play after 8 ... ttJe4!N followed by ... c7-c5.

7 ... ctJfd7 8.adS exdS Here the play might continue: 9.ctJc3 ctJb6 Worse is 9 ... c5 1 0.a3 �xc3 1 1 .�xc3 ttJc6 1 2.f4! when White seizes the advantage. 10.ctJge2 c6 1 1.0-0 With a very complex position, where in my opinion White has every chance of fighting for the advantage. C) S ...dS 6.ctJf3 0-0 The main alternative is 6 ... dxc4 7.0-0 transposing to a position that was investigated via the Catalan move order on page 44 in GM Repertoire 1 - 1.d4 Volume One.

7.0-0

Finally we have arrived at the main crossroads for Black. The main option remains 7 ... dxc4, but as we know this leads to a Catalan position.

Chapter 3 - 4 ... a5

33

The main independent options are Cl) 7...c6 and C2) 7... ltJc6. However, there is a third option that should also be briefly considered: 7 ... b6 This seems inferior because of the following nice example: 8.cxd5 exd5 9.ttJe5 �b7 1 0.�g5 h6 1 1 .�xf6 Wlxf6 1 2.ttJc3 1"ld8 Probably the lesser evil would have been 12 ...�xc3 1 3.bxc3 �d6, although after 14.c4 White retains a pleasant advantage. 13.1"lcl ttJa6 1 4.e3 We6 1 5.ttJd3 �d6 1 6.':Wb3 White was clearly better in Beliavsky Kallio, Copenhagen 2002.

Or 1 0 ...�a6 I l .ttJe5 ttJfd7 1 2.�xe7 '?f!xe7 1 3.ttJd3!. As always, it is essential for White to keep both pairs of knights. 1 3 ... ttJf6 This was Ilincic - Raicevic, Nis 1 996, and now White should have continued 1 4.1"lacl 1"ld8 1 5.1"lfe l ttJbd7 1 6.e4 1"lac8 1 7.e5 ttJe8 1 8.ttJf4± with slightly better chances.

Cl) 7 ... c6 8.Wfc2 b6

1 2.ie3! Of course White has no intention of giving up his dark-squared bishop.

After 8 ... ttJbd7 9.�f4 White threatens 1 0.c5 with the idea of trapping Black's dark-squared bishop. After the more or less forced 9 ...�e7 lO.E1dl we once again transpose to a Catalan position.

1 1.e4!N This new move is of course the critical one. 1 1...h6 After 1 1 ...d:xe4 1 2.ttJxe4 ttJxe4 1 3.�xe7 '?f!xe7 1 4.�xe4 White is ready to meet 1 4 ... c5 with 1 5 .d5!.

1 2...ltJa6 1 3.1"lfdl I n my opinion White has a promising version of a Catalan position.

9.�g5 ie7

C2) 7 ... ltJc6 8.Wfc2

a

lO.tiJbd2 Now Black has a choice between developing his light-squared bishop to b7 or a6.

10. . �b7 .

b

c

d

e

f

g

h

8 ... dxc4 Black has also tried a couple of other moves: 8 . . . 1"la6 can be met with 9 .a3 �e7 1 0.1"ld l when the rook is rather misplaced on a6.


34

8 ...�e7 9J�d l lL'lb4 9 ... E:a6 has been played by Topalov, but to tell the truth it looks too artificial to me, and after 1 0.a3 �d7 1 1 .�f4 I do not really understand what Black's rook is doing on a6. 1 0.'lWc 1 dxc4 So far this is Avrukh - Ferguson, Internet 2004. In the game I now played the inaccurate 1 1 .'lWxc4 and allowed Black to gain reasonable play after 1 1 ... b6, while instead I had a simple improvement: 8 7 6

� �j;jiH��,)�'� ' t� ' t� , �� . . %� � ' i�. ..%�

�� '......�" ��w-" � �� , � � " . . ':��... �� 3 � � � W" �. ..l:!W.�� '" fj t!W'�.tt 2 fj t � � ,�t.z.J� �tr,;tt§ nlt� . ' . . %�,i{'.... � �. � 'l. 5

.. ""% "'"

4

;'l

a

b

c

d

e

f

g

h

1 1 .a3!N lL'lbd5 1 2.'lWxc4 This would secure White a pleasant advantage, with the following point: 1 2 ... b6 This is now strongly met by: 1 3 .'lWc2! With the idea of 1 4.e4.

9.'lWxc4 �dS Black can also try 9 ...�d6 with the idea of carrying out the ... e6-e5 advance, but after: 1 0.lL'lc3 e5 1 1 .d5 (also worth considering is 1 1 .E:fd l exd4 1 2.lL'lxd4 lL'lxd4 1 3.�xd4 'lWe7 14.�g5 �e5 1 5.'lWe3!?) 1 l ...lL'le7 1 2.E:ac 1 In both cases ... a7-a5 is not exactly a move Black is happy to have played. White was better in Van der Stricht - Sarakauskiene, La Fere 2002. 1O.�xdS I believe this is the simplest road to an advantage.

1 0...exdS Recapturing with the knight would lead to an advantageous position for White, as his Catalan bishop is very strong. For example, 1 0 ... lL'lxd5 1 1 .lL'lc3 �d7 1 2 .E:ac 1 lL'lxc3 was Tanggaard - O.D. Larsen, Aalborg 1 993.

a

b

c

d

e

f

g

b

Here I believe White should keep the pressure along the c-file by playing 1 3.�xc3N with a pleasant edge after 1 3 ... E:fd8 1 4.a3 �d6 1 5.lL'ld2.

1 1.iJ4 i.g4 12.a3 i.e7 Black has also experimented with: 12 ...�d6 1 3.�xd6 cxd6 Now instead of the natural 1 4.e3 White temporarily sacrificed a central pawn with: 1 4.lL'lc3 �xf3 1 5.�xf3 lL'lxd4 1 6.�g2! Black did not manage to challenge the validity of White's idea and ended up in a clearly worse position after: 1 6 . . . lL'lb3 1 7.E:ad l d4 1 8.lL'lb5 E:ac8 1 9.1L'lxd4 lL'lxd4 20.E:xd4 E:c2 2 1 .E:b 1 E:xe2 22.E:xd6 And once again the a5-pawn is not really helping Black, Van der Sterren - Garcia Ilundain, Linares 1 99 5 . 1 3.E:dl E:fc8 14.ltJc3 llJd8 Obviously Black wants to play ... c7-c6 as soon as possible to remove White's pressure against the d5-pawn. l S.ltJeS i.e6

Chapter 3 This was Vittorino - Morales Rivera, Bogota 2006, and now White could have played more strongly:

I6.ig5!?N c6 17.ltJa4 E:a6

a b c d

e

f

g

h

IS.gael White's pieces are much better coordinated. Conclusion: It is worth remembering that many transpositions to the Catalan are possible, but in the independent lines White retains an edge and often benefits from the early kingside fianchetto by playing e2-e4 and ltJe2. This chapter also contains some important improvements.

-

4 . . . a5

35

Bogo-Indian

a

b

c

d

e

f

g

Variation Index 1.d4 ttJf6 2.c4 e6 3.g3 ib4t 4.id2 fie7 5.ttJa A) 5 ...b6 6.ig2 ib7 7.0-0 AI) 7 ...0-0 A2) 7 ...ixd2 8.fixd2 A2 l) 8 ...d6 A22) 8 ... 0-0 B) 5 ...0-0 6.ig2 ixd2t 7.fixd2 d 6 8.ttJc3 e5 9.0-0 B l ) 9 ... ttJ c6 B2) 9 ...ig4 B3) 9 ... �e8 C) 5 ... ttJc6 6.ttJc3 Cl) 6 ... d5 C2) 6 ... 0-0 7.ig2 C2 l) 7 ... d6 C22) 7 ... ttJa5 C3) 6...ixc3 7.ixc3 ttJe4 8.�cl C3 l) 8 ... d6 C32) 8 ... 0-0 9.ig2 d6 10.d5 ttJd8 1 1 .0-0 e5 12.ttJd2 ttJxc3 1 3.�xc3 C32 1 ) 13 ...b6 C322) 1 3 ...id7 C323) 13 ... £5 l4.c5 ttJf7 1 5.fJb3 b6 l 6.cxd6 cxd6 17.fia3! C323 1) 17...ib7 C3232) 17 ... e4 C3233) 17 ... a5

37 37 39 39 41 43 43 44 44 45 46 48 48 49 50 50 53 54 55 56 56 57 57

h

Chapter 4 - 4 . . .\We7

37

1.d4 tlJf6 2.c4 eG 3.g3 ib4t 4..td2 \We7

5.tlJ£3

5.ig2 is quite possible, but after 5 ... ltJc6

6.lt:lf3 ixd2t it is well known that we have

to recapture with 7. ltJ bxd2, which leads to a different line than planned, because 7.V:Mxd2 runs intO 7 . . . ltJe4 followed by 8 . . .V:Mb4t.

We have reached a standard Bogo-Indian position, which I am always happy to get over the board. The lines to look at here are: A) 5 . b6, B) 5 .0-0 and C) 5 .. ltJc6. The last line is by far Black's most important choice, but there are a few other possibilities for Black, which include different arrangements of his pieces. It is almost impossible to cover all the lines, as the material might be enough to make a whole book, but I will try to offer a good review of the most popular of them. ..

..

.

A) 5 ...b6

AI) 7 ...0-0 White can underline the drawback of Black's arrangement with:

8.ig5 White frequently opts for 8.if4 with the nice and tricky idea of meeting 8 ... d5 with the strong 9.c5 when Black would face serious problems. The real problem is that after the correct 8 ...id6 9.ixd6 cxd6 Black has reasonable play. 8 ...h6 The most playable alternative to the text is: 8 . . . d5 In this case natural and sttong is: 9.ltJe5 h6 Otherwise the pin along the h4-d8 diagonal is annoying. l o.ixf6 V:Mxf6 1 1 .cxd5

The following set-up is in Queen's Indian style.

6.ig2 ib7 7.0-0

a

b

c

d

e

f

g

h

Here I want to discuss two options:

Now Black's best choice is to swap dark squared bishops. Having said that, there is another line to consider: AI) 7 ... 0-0 will be covered before we get to the critical A2) 7...ixd2.

a) 1 1 . . .exd5?! 1 2.\Wb3 id6 If 12 .. .'&d6 then 1 3.l'!c l ! and Black's bishop will be really misplaced on a5, as we can see from the following lines: 1 3 ... c5 (or 1 3 ... lLla6 14.a3 ia5 1 5.V:Ma4 c5 16.lLlc4! Wf6 17.lLlxa5 bxa5 1 8.lLlc3 and White is clearly better) 14.a3 ia5 1 5.l'!xc5! The tactics serve our strategy very well. 1 5 ... bxc5 16.Wxb7 lLla6 1 7.V:Mxd5 V:Mxd5 1 8.ixd5± White has a clear advantage.


38

1 3.lDc3 Premature would be 1 3.ixd5 c6! 1 4.ig2 !xe5 1 5.dxe5 Wixe5 and White is only slightly better. 1 3 ... c6 1 4.f4 White's intended advance of e2-e4 will be very powerful; he is clearly better. b) 1 1 ...ixd5 This seems to be the lesser evil. We have reached a position from the game Kiselev - Lorenzini, Andorra 1 996, and now I would recommend: 8 7 6 5 4 3 2

b

c

d

e

f

g

h

1 2.e4!N ib7 1 3 .lDc4 There is no point in entering the complications that arise after 1 3 .Wia4 c5 I 4.a3 b5!. I3 ...Wid8 I 4.a3 ie7 I 5.Ei:eI White has the better chances, thanks to his space advantage.

9.hf6 Wix:f6 1O.a3 !e7 l 1 .lDc3 d6 Black's position would be fine if his queen was on d8, but with his queen misplaced on f6 White has every chance of an advantage. White is clearly better after 1 1 .. .d5 I 2.lDe5 c6 I 3.e4 Ei:d8? (somewhat better was 1 3 ...dxc4 although after 1 4.lDxc4 White's advantage is obvious) 1 4.lDg4 Wig6 I 5.cxd5 cxd5 I 6.exd5 exd5 1 7.lDe3 and Black lost his central pawn in L. Bronstein - Fuentes, Buenos Aires 1 99 1 .

12.1M'c2

12 ...c6 Instead 1 2 . . :�fg6?! is hardly a good idea. After 1 3.Wixg6 fxg6 I4.ih3 <j{f7 I 5.d5 White was clearly better in Kulaots - Zavoronkov, Tal linn 2003. After the text move the following line is a remarkable example of how to handle this position:

1 3.Ei:adl liJd7 Black has no time to play 1 3 . . . d5, as I 4.lDe5 id6 does not really help Black, in view of I 5.e4! ixe5 I 6.dxe5 Wixe5 1 7.exd5 cxd5 I 8.cxd5 and White is clearly better.

"=�F"=""

a

White creates the tactical threat of 1 3.lDg5. I would suggest that the natural yet new 1 2.d5N is also worth serious consideration.

8 7 6 5

4

3

2

a

b

c

d

e

f

g

h

14.dS! This is the key move in White's concept. 14 exdS ls.lDd4! The play of my good friend Vladislav Tkachiev in this game made a great impression on me. .•.

l S ...Ei:fe8 16.b4 A great positional idea; White is not satisfied with a slight edge after 1 6.cxd5 c5 1 7.lDc6, so

39

Chapter 4 - 4 ...'lWe7 instead he intends to undermine Black's pawn structure and especially the d 5-pawn by means ofb4-b5.

g6 2 1 . 4JfS winning on the spot. Returning to the game, which was Poljakov - Subaric, Novi Sad 1 945, White now overlooked a strong possibility:

16... a6 17.b5 cxb5 18.cxb5 i.f8 Unfortunately for Black he cannot play 18 .. .1"!ac8 as White has the strong 1 9.i.h3 and if Black plays 19 . . . !'!c7 then 20.bxa6 �xa6 21 .1xd7 E!xd7 22.4Jxd5 is horrible for Black. 19.hd5 ixd5 20.ttJxd5 White had a clear positional advantage in Tkachiev - Nikolaidis, Belfort 2004. Al) 7.. .i.xd2 8.'lWxd2

8

�;t1�r�*U�p)1 �.tw .�. . . % i � ' % i w� "" i

6 �� , . %� 5 jIjI'.��" ��.�. � cr � 3 ��.�� /. � J � .� ZN. b w� �� fj w��w�l} ·· 7

4

"

...%

IT

2

.

0

"

,�tt5.· ·· ·/..i� · · • .

a b c d

e

f

g

h

Black has a choice: All) 8 ... d6 and Al2) 8 ... 0-0. We have no reason to fear any moves here, and I will mention that it is premature for Black to jump with his knight to e4: 8...tiJe4 9.1.Wf4 d5 1 0.4Jfd2 White has a good version of the Queen's Indian. lO ... tiJxd2 1 1 .4Jxd2 0-0 1 2.!'!ac1 c5?! Much more sensible was the modest 12 ... tiJa6. Then after 1 3.cxd5 exd5 1 4.4Jc4! White would be better, with the following point: 14 .. :�xe2 1 5.!'!fe1 1.Wh5 1 6.!'!e5 'lWg6 17.tiJe3 White will regain his pawn (on d5) with dividends, as Black cannot play 17 ... c6, due to 1 8.!'!gS Yfle6 1 9.�h3! Yflxh3 20.Yflf6

.

Al l ) 8 . . d6 This is a serious alternative to the main line.

9.ttJc3 ttJe4 I believe this is Black's best move, as the main alternative runs into trouble: 9 . . . 0-0 1 0.dS! It is always a good idea to shut down Black's light-squared bishop. Black still has a fairly solid position; nevertheless, White's stable positional advantage is quite obvious to me. Let's see a few possible lines: 1 0 . . . e5 1 1 .4Jh4 White has only an edge after the more positional I l .e4 4Jbd7 1 2.4Je1 as 1 3.4Jc2 4JcS 1 4.4Je3 g6 J S.b3 �c8 1 6.!'!ae l �d7 1 7.f4;1; Dreev - Kuzubov, Moscow 2006. 1 1 . . .�c8 1 2.e4 4Jg4 1 3 .!'!ae l 4J h6 1 4.f4 4Jd7 14 . . . exf4 allows 1 5.e5! with great effect. 1 5.4Jf3 f6 1 6.�h3 4Jc5 1 7.�xc8 !'!axc8 1 8.fxeS fxe5 1 9.b4 4Jd7 20.4JbS White gained a clear superiority in Prusikin - Muranyi, Germany 2007.

40


10.ltJxe4 he4 1 1 .'?Ne3 ih7 1 2.d5 Otherwise White can hardly fight for an advantage. 1 2... e5 If 1 2 . . . ttJd7 then White should continue with 1 3.b4 and after 1 3 . . . e5 (or if 1 3 ... 0-0 then 1 4.ttJd4) 1 4.ttJd2 we will reach the same position as after 1 2 ... e5. 13.h4 Theory considers 1 3.ttJd2 ttJd7 1 4.f4 to be quite dangerous for Black, but I am not convinced: 1 4 ... exf4 (instead 1 4 ... 0-0 1 5.f5 does indeed promise White good chances of developing an initiative on the kingside) 1 5.'?Nxelt rllxe7 1 6.gxf4 And now in the game Gagarin - Cherniak, Moscow 1 990, Black should have regrouped with 1 6 ... l:%he8!?N 1 7.e4 rll f8 with a pretty sound position. 13 ... tLld7 14.tLldl a5 1 5.a3 0-0 I do not believe Black can allow himself the luxury of 1 5 . . . a4 (preventing ttJb3) because after 1 6.ttJe4 0-0 1 7.ttJc3 the a4-pawn becomes a serious weakness. 1 6.ltJh3

Black has also tried: 1 6 . . . axb4 1 7.axb4 l:%fe8 Black's main problem is that exchanging both pairs of rooks is not an ideal solution: 1 7 ... l:%xa 1 1 8.l:%xa 1 l:%a8 This was recommended by Tisdall in ChessBase Magazine 68. White can continue 1 9J:ha8t ixa8 20.c5! and the positional idea of cutting off Black's bishop from the game by c5-c6 is very unpleasant. Of course the trick is that ... dxc5 (at any point) will be hit by d5-d6. Let's follow this line as far as possible: 20 ... bxc5 2 1 .bxc5 dxc5 22.d6 �e8 23.dxc7 ixg2 24.�xg2 �c8 25.ttJxc5 �xc7 26.ttJxd7 �xd7 27.�xe5 We reach a queen ending with 4 pawns versus 3. With perfect play it should be a draw, but in a practical game trying to hold such a position is a difficult and unpleasant task. In general, we should remember that winning a game by force while still in home preparation is impossible against a sound opening. We must be ready to fight over the board. 1 8.c5 This temporary sacrifice is interestingenough, but a more positional approach would have been 1 8.�d3 followed by e2-e4. 1 8 ... bxc5 1 9.bxc5 ttJxc5 1 9 ... dxc5? is impossible in view of 20.d6. 20.ttJxc5 dxc5 2 1 .l:%ab l l:%ab8 Probably the most critical line would be 2 l ...ia6 22.d6 cxd6 23.ixa8 l:%xa8, though here White seems to control the position after 24.l:%a 1 L 22.l:%fc l ia6 23.l:%a1 l:%b6 24.l:%xc5 Despite massive exchanges White's pressure has only increased, because the c7-pawn is a serious weakness. 24 . . .ixe2 25.l:%acl ib5 26.l:%xc7 �d6 27.l:%7c6! l:%xc6 28.dxc6 White had a decisive advantage in Neverov Brodsky, Uzhgorod 1 985.

41

Chapter 4 - 4 . . . 1!fie7 A brilliant square for the knight, from where

it puts serious pressure on Black's queenside.

18 ...ia6 19.1!fic3 f5 20.1!fic2 ixbS

1 0 . . . exd5 would transpose to Chapter 2, page 23 [4 ...ixd2t, 7 ...1!fie7]) 1 Uhc1 White's position is preferable, and now Black's best try is: 1 1 . ..ttJa6 1 2.ttJe5 c5 1 3.dxc5 ttJxc5 1 4.ttJxd5 exd5 1 5.ttJf3 White had a slight but lasting advantage in Tukmakov - Reshevsky, Vilnius 1 97B.

1O.ttJxe4 ixe4 1 1 .1!fif4 White attacks both Black's light-squared bishop and the c7 -pawn, so Black is almost forced to play:

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21.cxbS White had a clear positional advantage in Tukmakov - Onischuk, Donetsk 1 99B. A22) 8 . . 0-0 9.lik3 .

9 . . d6 1 0.d5 e5 has been examined in line Al 1 via the B . . . d6 move order. .

9 ... d5 1 0.cxd5 ttJxd5 (the more popular

1 1 . . .dS 1 1 . . ..ixf3 is plainly a concession, and arrer 1 2.ixf3 c6 1 3.)::\ac 1 ttJa6 14.)::\c3 )::\ fcB 1 5 .a3 White's advantage was obvious in Tatai Kopec, London 1 97B. 12.)::\ acl lba6 I found the following line quite interesting: 1 2 . . . c5 1 3.cxd5 exd5 1 4.dxc5 bxc5 1 5.1!fie3 1!fib7 This is Black's best continuation, and the alternatives are much worse: 1 5 ...1!fif6 1 6.)::\xc5 1!fixb2 1 7.1!fid2! White is clearly better, and after 17 . . .1!fib7 as in Arkell - Dive, Britain (ch) 1 994, the natural 1 B .)::\ fc1 ttJa6 1 9.)::\c6 )::\acB 20.ttJd4 would have secured White's advantage. 1 5 . . . ttJa6 is also not good: 1 6.ttJd2 )::\feB 17.ttJxe4 dxe4 I B.)::\c4 f5 1 9.94! White has a clear edge, Stupica - Lagudin, Slovenia 1 996.

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1 6.�xc5!?N I believe this new move is White's best option. To compare with 1 5 ...�f6, now after 1 6.l"hc5 Black has the intermediate 1 6 ... tOd7 at his disposal, which would allow him normal play. Too soft is 1 6.b3 tOa6 which gave Black a normal position in Tal - Cardoso, Las Palmas 1 975. 16 ... �xb2 1 7.�c3!? With intention to get a favourable endgame, with Black's isolated pawn. 1 7 ...�xa2 Black can also try to capture the other pawn: 1 7 ...�xe2 I S.tOd4 �h5 (White is clearly better. If I S ...�a6 then 1 9.ixe4 dxe4 20.tOf5 �f6 2 1 .�xf6 gxf6 22.gfe 1 ±.) 1 9. f3 ig6 20.�c7 �g5 2 1 .gfd l �d8 22.ifl White's powerful compensation is undeniable. I S.tOd4 �a6 White was threatening 1 9.9a l , while I s ... ixg2 would lose to 1 9.tOf5 f6 20.�c7. 1 9.ixe4 dxe4 20.tOf5 �f6 2 1 .�xf6 gxf6 22.gc4 The endgame is difficult for Black.

1 3.cxdS ixdS Black can recapture with the pawn as well: 1 3 ... exd5 This was tested over the board as far back as Budo - Bondarevsky, Tbilisi 1 937. Now I believe White should play:

1 4.ih3!?N f6 Otherwise 1 5 .tOe5 might cause Black serious problems. For example: 1 4 ... c5 1 5 .tOe5 f6 1 6.tOc6 �eS 1 7.�d6± 1 5 .a3 Restricting the black knight and practically forcing Black to play ... c7-c5 , as White intends to increase his pressure on the queenside by means of 1 6.b4. 1 5 ... c5 1 6.dxc5 bxc5 1 7.tOd2 ig6 l S.�a4 �b7 1 9.ig2t In this complicated position White's chances are better.

I4.tOeS A strong and concrete plan that proves sufficient for an advantage. 14... cS If 1 4 ... ixg2 1 5.�xg2 c5 1 6.dxc5 bxc5 (unfortunately for Black the desirable recapture with the knight does not work: 1 6 ... tOxc5 1 7.b4 �b7t I S.�f3 �xf3t 1 9.�xf3 tOa6 20.tOc6±) 1 7.�a4 would transpose to 1 4 . . . c5. I S.dxcS bxcS 16.�a4 hg2 17.�xg2 �b7t I 8.�gl !Ud8 The b2-pawn is untouchable: I S ...�xb2 1 9.tOc4 �b7 20.gb 1 and Black loses his knight.

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Chapter 4 - 4 .. .'&e7

19.�d3 �d4 20.�c4 �xc4 2 1 .'lWxc4 White had a stable advantage in Huebner Larsen, Las Palmas 1 976. B) 5 ... 0-0 This natural move is the start of an important line, although, as previously mentioned, line C is the real main line.

6.ig2 ixd2t 7.'lWxd2 d6 This is quite thematic for the 4 ... 'lWe7 line, whereas 7 ... d5 would uanspose to the 4...ixd2t line.

lo.lLld5! 'lWd8 After 1 0 ... lLlxd5 1 1 .cxd5 lLlxd4 1 2.lLlxd4 exd4 1 3.l"1ac l White gains a serious strategic advantage, due to the permanent weakness of the c7-pawn. The game H. Olafsson - Bonin, New York 1 986, continued: 1 3 . . .l"1e8 1 4.l"1fe1 'lWf6 (this attempt to create some counterplay falls short) 1 5 .l"1xc7 b6 1 6.�c4 d3 1 7.l"1f4 'lWg6 1 8 .e4 Black's d3-pawn is falling. 1 1 .�adl

8.�c3 e5 9.0-0

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The main branching point in this line; the three big moves are: B l ) 9 tiJc6, B2) 9 i.g4 and B3} 9 ... �e8. Besides these, it also makes sense to have a brief look at 9 ... c6, although this seems to be somewhat passive; White obviously sets the tone. Here is one recent example: 1 0.e4 ig4 1 1 .tiJh4 lLla6 1 2.�ae1 �fe8 1 3.f4 exf4 1 4.'lWxf4 with a promising position for White in Radjabov - Sadiku, Kerner 2007. .•.

B l } 9 tiJc6 .•.

This seems to be inferior, due to:

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1 1 . .. �e8 After the natural: 1 l ...ig4 White favourably releases the tension in the centre with: 1 2.dxe5 lLlxd5 Also 1 2 ... dxe5 does not solve Black's problems. White has the strong 1 3 .'lWe3! and he was clearly better after 1 3 ... lLld7 14.�d2 ixf3 1 5.exf3! in Euwe - Henneberger, Bern 1 932, as Black fails to maintain a strong outpost on d4: 1 5 ... ttJd4 1 6.f4 f6 1 7.fxe5 fxe5 I B.f4!± 1 3.cxd5 lLlxe5 1 4.lLld4 Again White has a desirable type of position with Black's c7-pawn being a permanent target, Zirngibl - Handel, Leipzig 1 959. 1 2.dxe5 tiJxe5


44

12 ... dxe5 is met strongly by 1 3.'lWe3 followed by doubling the rooks along the d-file.

1 3.lLlxeS dxeS 1 3 .. .%he5 1 4.lLlc3 leaves White with a pleasant edge. 14.'lWaS lLlxdS I S.cxdS Wfd6 16Jkl !!e7 17.!!c3 White was better in J. Pinter - De Guzman, Manila (01) 1 992. B2) 9 ...ig4 1 O.lLle1 lLlc6 Again I do not see how Black can solve his problems in this line. The key game Huzman - Azarov, Izmir 2004, continued: 1 0 ... exd4 I l .'lWxd4 lLlc6 1 2.'lWd2 'lWd7 13.lLld5 lLlxd5 1 4.cxd5 lLle5 White has achieved a desirable pawn structure, but Black has some activity. I found the following improvement: 1 5.!!c1 !?N Now if 1 5 ... 'lWb5 then 1 6.lLlf3! is very strong: 1 6 ...�xf:3 1 7.exf3 l'!ac8 1 8.l'!c3 Followed by l'!fc 1 and f3-f4. White has serious pressure. After the text move I found an unexpected resource.

The natural 1 1 .d5 should also favour White, but Black is very much in the game after 1 1 ...lLlb8 1 2.e4 c6 1 3.lLld3 cxd5 1 4.cxd5 lLla6, as in Malaniuk - Moiseenko, Krasnodar 1 999.

1 1 ...Wfd8 A vital point is that Black cannot play 1 1 ...lLlxd5 1 2.cxd5 lLlxd4? as he loses material after 1 3.e3 lLlf5 1 4.h3, followed by 1 5.g4. 1 2.dxeS dxeS After the other recapture 1 2 ... lLlxe5, White replies 1 3.lLle3 attacking both the b7-pawn and Black's light-squared bishop. 1 3 ...ic8 1 4.l'!d 1 'lWe7 1 5.lLld3 White definitely has pressure. 13.h3 ie6 14.l'!dl l'!e8 I S.lLlc2� White has the better chances; his centralized knight is very annoying for Black. B3) 9 . . . l'!e8

78 6 5

�;�!�� I .*� & (� r � � ", ' "'''/' '' '.,. & �&' ''.'�.' &

' �.. ' � _� _. Ii � � Iiw.,D 4 li liD 1i''!',Jd' 'ii J�� f�[j.;%lZJ�/NiO .LO �� f[j � � 1 �� .... � .. ..;.:.i=.... a b c d 3

...�

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.

7..%

&� . �.% .

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xg2 'lWe5 1 9.1'%fd l l'%ad8 20.'lWf2 and Black fails to create any play, while White naturally improves his position: 20 ... a6 2 1 .l'%d2 b6 22.b4 ttJ d7 23.ttJd5± Vyzmanavin - Landenbergue, Manila (01) 1 992.

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12.ttJc2! The point of White's idea; he has no intention of playing d4-d5 unless it is the ideal moment. 12 ... ttJxd4 13.liJxd4 exd4 14.'lWxd4 I believe this is a favourable type of position for White that he should aim for in this line. The main line runs as follows:

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1 8.g4! White takes the opportunity to transfer to a favourable endgame. 1 8 ... i'c5t 1 9.i'fl i'xflt 20.gxfl ixg2 2 1 .�xg2 c6 Naturally Black wants to cover the d 5-square, but now the d6-pawn becomes a permanent weakness. 22.l'%d2 liJe8 23.h4 h5 24.g5 as 25.liJa4 ga6 26.gcdl �h7 27.�g3 �g6 28.c5 White had clearly gained the upper hand in Cvitan V Kovacevic, Pula 1 996. -

14...i'e5 15.i'd2 i'h5 It is no wonder Black wants to solve the problem of his badly placed bishop. 16.£3 ih3 Black manages to swap his bishop, but White still retains the better chances. 17J!acl The idea is ttJd5 at a suitable moment.

C) 5 ... ftJc6

Finally we have reached Black's most important option.

6.ftJc3 In my opinion this is the most principled line and it gives White good chances of seizing an edge. As was already mentioned, after the

46


natural 6.ig2 Black captures on d2, 6 ... ixd2 t , forcing the knight recapture, as 7.'lWxd2 runs into 7 ... ttJe4 followed by ...'lWb4t. After the text move Black has three main choices: Cl) 6 ... dS, C2) 6. 0-0 and C3) 6. ixc3. ..

..

Cl) 6 dS ••.

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In a recent game Black tried a queenside fianchetto but without much success: 1 0 ... b6 1 1 .'lWc2 ib7 1 2.b3 a5 1 3.ib2 The bishop pair gives White a pleasant game. 1 3 ... a4 1 4.b4 dxc4 1 5.'lWxc4 ttJa7 1 6.�fcl �dc8 1 7.ttJe5 White trades light-squared bishops, but this allows him to establish control over the centre. 1 7 ...ixg2 1 8.Wxg2 c6 1 9.'lWd3 ttJd7 20.ttJc4 �c7 2 1 .�c2 �ac8 22.�ac l ttJb5 23.e4 White was clearly better due to his extra space in Ivanchuk Bezgodov, Khanty-Mansiysk (2) 2009. 1 1 .'lWc2 Now Black really should play 1 1 ...a5, transposing to the 8 ... a5-variation, as after: 1 1 ... id7 This was C. Mueller - Heumann, Bavaria 2005, and now White should of course take the opportunity to play:

h

I am always somewhat sceptical about this pawn structure once Black's knight is on c6, and in this case I do believe White has a very comfortable game.

7.a3 White not only forces Black to give up his dark-squared bishop, but also defends the c4pawn indirectly. 7 ..ixc3 8.ixc3 as Sooner or later Black should opt for this move. It would make no sense for Black to play 8 ... dxc4, as after 9.'lWa4 White regains the pawn with dividends, as his Catalan bishop becomes very strong along the h l -a8 diagonal. .

But of course Black has other options: 8 ... 0-0 9.ig2 �d8 9 ... ttJe4 1 0.'lWc2 would lead to the same position after 1 0 ... a5, or 1 0 ...�d8. 1 0.0-0 ttJe4

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1 2.b4!N ttJxc3 Otherwise White can keep his bishop with ib2. 1 3.'lWxc3 White's stable advantage is obvious.

9.ig2 0-0 10.0-0 �d8 I also checked: 1 0 ... ttJe4 1 1 .'lWc2 a4 This may look quite promising, but in fact it is nothing special, as Black can hardly carry out his idea of ... ttJa5-b3. 1 2.�acl id7 1 3.�fd l �fd8 1 4.iel

Chapter 4 - 4 . . . We7 Also worthy of consideration is 1 4.tDe5!? 14 ...ieB 1 5'tDh4 tDf6 So far this is Babula - Vehi Bach, Dresden 2007, and here I worked out the following line for White: 16.cxd5 exd5 1 7.tDf5 We6 I B. f3 In such situations it is essential for White to activate his dark-squared bishop. 18 ...g6 1 9.4Jh6t �g7 20.Wd2 tDg8 2 1 .tDxg8 \!1xgB 22.g4 White's dark-squared bishop comes to g3. White's chances are better, due to his pair of bishops and of course he should aim to open up the position in the centre with e2-e4.

11.�c2 4Je4 This is the mam arrangement of pieces for Black. As was proven in the following encounter, this is not a good moment for Black to play l l ...a4 1 2.tDe5! �d7 1 3.�fd l �e8 14J'iacl and Black could hardly generate any activity in Razuvaev - Rashkovsky, Moscow 19B9.

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Black can of course play 1 3 ...�d7 here. The attempt to create immediate counterplay in the centre with: 1 3 . . . e5?! Falls short to: 1 4.dxe5 Also quite promising looks 1 4.tDxe5! ?N tDxe5 1 5.dxe5 d4 16.Wb2 Wxe5 1 7.e3 c5 1 8.�ad l . 1 4 . . .d4 1 5.Wb2 �g4 1 6.�fd l Wc5 Of course Black can regain the pawn with 1 6 ...�xf3 1 7.�xf3 Wxe5, but after 1 8.�d3 his position is very unpleasant, as the d4pawn appears to be a serious target. 1 7.�d2 a4 1 8.b4 vtfxc4 1 9.�cl Wb3 20.Wa l ! if5 This was P. Nikolic - Adams, Hastings 1 989, and now White has an improvement.

12.b3

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2 l .ttJe1 !N This move would have been extremely strong. The idea is to play tDd3-c5, while after: 2 l . . .We6 22.�xc6 bxc6 23.�xd4 White is simply a pawn up.

13.i.b2 It is always nice to keep the bishop pair. a

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12...�d7 Another idea is to exchange the knight for rhe bishop: 12 ... 4Jxc3 1 3.Wxc3

13 ... i.e8 14.�acl f6 Black intends to activate his bishop along the e8-h5 diagonal, but his position in the centre appears to be vulnerable, as was shown in the following encounter:

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C21) 7...d6 Quite a tricky move order. In my opinion White should play:

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15.tlJh4! g5 1 6.cxd5 exd5 17.tlJf5 Wfe6 Is.ih3 �hS 1 9.£3 tlJd6 20.e4! ig6 21 .exd5 Here the computer recommends a tactical solution with 2 1 .ttJxd6 'Mrxd6 22.e5!, but my move is good enough. 21...Wfxd5 22.tlJe3 Wff7 23.Wffl The position opens up in White's favour, Avrukh - Rashkovsky, Biel 2002. C2) 6 ... 0-0 7.ig2

8 1��'-/" 'L)�; � . . �,� ' W�. .% , 7 %.,��.. % ' Wi) ',%. � : �� " � � m�� *'t,; � � 4 . .. fj�� ... �z�j ffi ��r� .�W � � % 'II 3� . ·;%�·0 � W� l1 � ��w ��rr? � ....·%'% . �r� . . . %.jf= � a b c d 2

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Here it is possible to play C21 ) 7...d6 or C22) 7... tlJa5, which is probably the most interesting side line. In general 7 . . .ixc3 8.ixc3 ttJe4 9.�c 1 would transpose to the main line, but we have to eliminate Black's other ideas:

S.d5! I originally thought White should simply castle, but then I noticed an improvement for Black on move 1 1 . The main point shows up in the following line: 8.0-0 �xc3 9.�xc3 ttJe4 1 0.�c 1 White could keep his dark-squared bishop with l 0.�e 1 , but after 1 0 .. .f5 l l .d5 ttJdS 1 2.dxe6 ttJxe6 Black is very much in the game, thanks to his active pieces. This gives him good compensation for White's bishop pair, Gleizerov - Bocharov, Abu Dhabi 2004. 1 0 . . . e5 I l .d5 And now instead of transposing to the main line with l l .. .ttJdS 1 2.ttJd2 ttJxc3 1 3.�xc3 f5, Black can choose: 1 1 ... ttJbS! This seems very reasonable for Black after either 1 2 .�e 1 f5 or 1 2.ttJd2 ttJxc3 1 3.�xc3 as. S...tlJbS Black has three other possibilities to consider: S ... ttJe5 9.ttJxe5 dxe5 This position has occurred in two games, but nobody has opted for 1 0.a3!N with the simple idea of taking the dark-squared bishop. 1 0 ...�c5 (certainly White is comfortably better after 1 0 ...�xc3 1 l .�xc3 exd5 1 2.cxd5 �dS 1 3 .'Mrb3) I l .ttJa4! �dS 1 2.ttJxc5 'Mrxc5 1 3.�c 1 ! White is better with his bishop pair. 8 ... ttJd8 This does not make much sense here and after 9.ttJd4 exd5 1 0.ttJxd5 ttJxd5 I l .cxd5 �c5 1 2.�c3 White had a very pleasant advantage in Yrjola - Jouhki, Helsinki 1 995.

Chapter 4 - 4 . . . '?fife7 8 ...ixc3 This is unquestionably a concession. 9.ixc3 lUb8 1 O.dxe6 (also good enough is 10.lUd4 e5 I l .lUc2) 1 0 ...fxe6 1 1 .0-0 a5 12.ct:ld4 lUbd7 1 3 .'?fifd2 a4 This is the game Franic P. Horvath, Croatia 2004, and now White could have secured his advantage with 14.ct:lb5N lUc5 1 5.ixf6! �xf6 1 6.f4. -

9.dxe6 fxe6 10.0-0 ltJc6 l 1 .ltJel! A very strong idea; the knight is heading for c2, forcing Black to give up his dark-squared bishop and increasing the influence of White's light-squared bishop. 1l ...WhS Another game continued: 1 1 . ..ixc3 1 2.ixc3 e5 13.lUc2 Now White's knight transfers to a powerful square on d5. 1 3 .. :�f7 1 4.ct:le3 ie6 1 5.ct:ld5 �ac8 In Berebora - Pacal, Hungary 1995, White could have seized the initiative with 1 6.f4!±. 12.lUc2 Ld l3.Ld id7 14.M White has a promising initiative. 14...�aeS 1 5.b5 lUdS This position was reached In Sosonko Langeweg, Leeuwarden 1 978, and now White could have gained an edge with: 16.f4N '?fifO 17.'?fifd3 Followed by 1 8.�ad 1 . C22) 7... lUa5 S.b3 b6 9.0-0 ib7 1O.'?fifc2

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1 O... �acS This was played in almost every game where the diagram position was reached. Probably Black is not entirely satisfied with the position that might arise after 1 0 ... c5, as in Saatdjian - Milliet, Cap d'Agde 2008. In this case I would also recommend taking the bishop with: 1 1 .a3!?N ixc3 1 2.ixc3 cxd4 1 3.lUxd4 ixg2 1 4.Wxg2 lUc6 1 5.�fd 1;j; After the text move I offer a new idea:

1 1.a3!?N La3 The most principled reply, as if 1 1 . . .ixc3 1 2.ixc3 ie4 1 3.'?fifb2 d6 we get a rypical Queen's Indian position, but I believe White should be better after 1 4.ih3 (with the idea of playing lUd2) as Black's knight is slightly misplaced on a5. 1 2.e4 ib4 l3.e5 ixf3 It appears that Black has to give up his light-squared bishop, as l 3 ... lUe8 runs into the strong 1 4.lUg5 f5 1 5.ixb7 lUxb7 1 6.�xa7 regaining the pawn and keeping clearly better chances. 14.ixB ltJeS

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White could have won the pawn back with 1 5.ga4 c5 1 6.dxc5 ixc5 1 7.4Jb5 4Jc6 1 8.4Jxa7 4Jxa7 1 9.9xa7, but after 1 9 .. .f6 Black should be alright.

C31) 8 .. d6 9.dS lLlxc3 1 O.gxc3 .

The main point of 1 5.ig2 is to remove the bishop from the f-file, and thus be ready to meet . . . f7 -f6 with f2-f4. There are no concrete lines, but I believe White has wonderful positional compensation for the pawn, due to Black's poorly placed minor pieces.

C3) 6 ...�xc3 Black's most common choice.

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This is a big theoretical tabiya. Obviously Black has two knight moves - b8 or d8. Putting the knight on e5 would quickly lead to a cramped position. White j uSt takes it and is better; there is no need for further details. Amazingly one game was played between GMs with 1 O ... 4Je5 (though admittedly j ust a rapid game). Benjamin was Black and eventually drew an inferior position after Sosonko played his knight to d4. Had Sosonko taken on e5 Benjamin might not have been so lucky...

7.hc3 lLle4 8.l::k l

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At this point Black is all about development. There is no need to take on c3 as of yet, so the two main moves are C31) 8 ... d6 and C32) 8 ... 0-0. I should menrion one funny move: 8 ... 4Jb4 This is hardly a serious option; the following example seems quite convincing: 9.Wa4 a5 1 0.ig2 0-0 1 1 .4Jd2 4Jxc3 1 2.bxc3! With Black's pawn on a5, recapturing with the b-pawn looks very logical and strong. 1 2 . . . 4Jc6 1 3.c5 d5 1 4.cxd6 cxd6 1 5.gb 1 Wc7 1 6.Wb3 White had much better chances in Tukmakov - Rashkovsky, Minsk 1 987.

1 0... lLlb8 The alternative is: 1 0 ... 4Jd8 I l .ig2 This should transpose to our main line after 1 1 .. .0-0 1 2.0-0 ( l 2.dxe6 lLlxe6 is quite playable for Black), but it is important to have a short look at: l 1 . ..e5 Playing this before castling is dubiolls in view of the following impressive game. 1 2.c5 0-0 1 3.cxd6 cxd6 1 4.Wc l id7 1 5.0-0 f5 1 6.gc7 We8 1 7.We3 This is the point behind 14.Wc l . 1 7. . .ib5 1 8.gfc l ia6 1 9.4Jh4! Black's bishop is missing from the defence, so White immediately starts playing on the kingside.

51

Chapter 4 - 4 . . .'?ffe 7 1 9 ... h6 20.ih3 �h5 2 1 .�f3! White had a decisive advantage in Yevseev I. Smirnov, Alushta 2002.

1 5.�d2 tUd7 1 6.Eld l tUe5 1 7.tUf3! Black's d-pawn is a serious target. 1 7 ... tiJf7 1 8 .Ela3 �c7

1 1 .d.xeG fxeG 1 1 ...ixe6 leads to a stable advantage for White after 1 2.tUd4 0-0 1 3.ig2 c6 1 4.0-0 as in Bischoff - Spiegel, St Ingbert 1 993. 12.tiJd4 The most accurate move order. 12 . 0-0 13.ig2 ..

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13... e5 This is Black's most popular choice.

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It is important to note that 1 3 ... tUd7? would just be a blunder, as 1 4.tUxe6!+- makes very clear. This shows that one of the ideas behind 12.1L1d4 is to prevent Black comfortably redeveloping his knight. A more respectable alternative is:

13 ...c6 14.0-0 Black's best option is 1 4 ... e5, which transposes to J 4... c6 at the top of the next page. 14 ... a5 This seems a risky concept to me, as was shown convincingly In the following encounter:

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1 9.tUg5! White immediately takes the opportunity to exchange Black's knight, which will make the d6-pawn more vulnerable. 1 9 ... d5 This is certainly not a move Black wants to play, as now his bishop remains very passive, while the weakness of the dark squares in the centre is a significant detail. 20.1''! f3 tUxg5 2 1 .Elxf8t �xf8 22.�xg5 �e7 23.�d2 In Davies - Arkell, London 1 989, Whi te gained a clear advantage, as it is very difficult for Black to develop his bishop. For instance, 23 ...id7 just loses a pawn to 24.e4!.

14.tLlc2 tLld7 This is Black's most popular move, but let's have a look at the others j ust in case: 14 . . . tUc6 1 5.0-0 ie6 1 6.b4 This leads to a pleasant edge for White, as was proved in the following game: J 6 . . . a6 Black cannot play 16 . . . a5 1 7.b5 tUb4, as after 1 8 .ixb7 Elab8 1 9.ig2 tUxa2 20.Ela3 tUb4 (or 20 . . .ixc4 2 1 .tUe3 ie6 22.1L1d5±) 2 1 .Elxa5 he remains a pawn down. 1 7.b5 tUd8 1 8.tUb4 axb5 1 9.cxb5 �h8 20.a4

52


Wd7 2 l .�c2 White had a clear advantage in Malaniuk Fedorchuk, Ordzhonikidze 200 l . 1 4 ... c6 1 5.0-0 1ie6 1 6.b4 White has easy play on the queenside. 1 6 ... a6 16 ... a5 makes no sense, as after 1 7.b5! cxb5 l S.cxb5 1ixa2 1 9.iDe3 White has powerful compensation, with the following nice point: 1 9 ... a4 20.1id5t 1ixd5 2 1 .iDxd5 Wf7 22.!!f3! is winning. 1 7.iDe3 iDd7 l S.�c2 iDf6 1 9.!!d3 White doubles his rooks on the d-ule, putting pressure on Black's d-pawn. 1 9 ... !!fdS 20.!!fd l !!d7 2 l .�b2 !!adS 22.a4 Black is pretty solid, but White obviously had some pressure in Zakharevich - Kulikov, Tula 2002. 14 ... iDa6 1 5.0-0 c6 1 6.�d2 1ie6 I also examined 1 6 ... iDc5 1 7.!!d l !!f6, when White has the neat resource I S.!!a3!. Black cannot prevent the b2-b4 advance, for example: I S ... �O 1 9.b4 iDd7 20.iDe3 and White is clearly better, as Black does not have a proper defence against the impending 2 l .!!d3. 1 7.iDe3 !!adS I S.!!a3! White not only prepares b2-b4, but also creates some tactical ideas such as 1ixc6, or !!xa6 ... bxa6 1ixc6. I S ...�f7?! I tried to improve on Black's play with I S . . .�c7 which would indeed be the best continuation, but White still retains a pleasant edge after 1 9.b4 �b6 20.!!b3 !!O 2 1 .a3. This position occurred in Polugaevsky Gipslis, Moscow 1 979. Now I see nothing wrong with: 1 9.1ixc6!N bxc6 20.!!xa6 White just wins a pawn. For instance: 20 . . .1ih3 2 l .iDg2 d5 22.cxd5 cxd5 23.!!a5

�b7 24.f3 �b6t 25.�hl Black does not have enough compensation.

1 5.0-0 ctJf6 If 15 ... a5 White has the unpleasant 1 6.!!a3! and he was clearly better after 1 6 ... iDc5 1 7.b4 iDe6 I S.!!xa5 !!xa5 19.bxa5 iDc5 20.iDb4 in Shneider - Naiditsch, Istanbul 2003. 16.lZ:le3 c6 Good or bad, Black has to take control over the d5-square. However, in two games Black mistakenly opted for 1 6 ... !!bS.

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In both encounters White missed the simple 1 7.iDd5!N WO I S.iDxf6t �xf6 1 9.c5! with a clear edge.

17.!!d3 !!d8 18.�d2 1ie6 19.!!dl lZ:le8 White has mobilized his pieces optimally, so now is the right moment to push the b-pawn. 20.b4 !!d7 A couple of other moves are worth mentioni ng in passing: 20 ... !!acS 2 1 .b5 (I prefer the modest 2 1 .a4!? but the game move is good enough) 2 1 .. .cxb5 22.cxb5 !!c5 23.�b4 White was obviously better in C. Horvath - Sulc, Pula 1 995. 20 ... a6 2 l .a4 !!d7 was played in Killer Wehbrink, e-mail 2002. Now I did not manage to und the reason White refrained from the

Chapter 4 - 4 . . :&e7 natural 22.b5 axb5 23.axb5 cxb5 24.cxb5 with unpleasant pressure.

21.b5 White combines pressure along the d-file with activity on the white squares. 21...cxb5 22.cxb5 gc8 This is Tkachiev - Adams, Cannes 200 1 . Now, as correctly pointed out by Ftacnik, who annotated this game in ChessBase Magazine 82, White could have increased his pressure as follows: 23.tt:Jd5!N Wd8 23 ...ixd5 24.ixd5t h8 25.E:a3± 24.E:a3 gc5 25.gxa7 gxb5 26.tt:Jc3 White has a clear edge. C32) 8 ...0-0 9.ig2 d6 10.d5

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1O ...tt:Jd8 This is Black's most popular move order i n this line, but h e has a couple o f other options as well: 10 ... tt:Jxc3 1 1 .E:xc3 tt:Jd8 After l l ...ttJb8 1 2.dxe6 fxe6 1 3.ttJd4! we transpose to a position that was covered via the S ... d6 move order.

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12.0-0 e5 The waiting move 1 2 ... a5 appears to be inferior: 1 3.ttJd2 e5 1 4.c5 dxc5 1 5.ttJb3 ( 1 5.'&c2 also looks pretty strong) 1 5 . . .a4 1 6.ttJxc5 E:a5 This is Tkachiev - Chabanon, Cannes 1 999, and now the natural 17.Wfc2 would pose Black serious problems. 1 3 .ttJd2 The play would transpose to our main line. It is very important to note that 1 3.c5 would allow Black reasonable play after 13 . . . dxc5! 14.'&c2 e4 1 5.ttJd2 f5 1 6.E:xc5 c6!. In my i nitial analysis I did not pay attention to Black's other knight retreat: 1 0 ... ttJb8 But then I remembered the game Laznicka Bologan, which was played in the last World Cup, so I decided to make a small review. I l .dxe6 It is also worth considering I l .Wfc2!? 1 1 ... fxe6 After 1 1 . ..ixe6 White should play: 1 2.ttJd4 id7 (obviously the c4-pawn is untouchable: 1 2 ...ixc4? 1 3.ttJf5 is simply bad for Black) 1 3.0-0 ttJc6 This is Adorjan - Bel iavsky, Hungary 2000, and now I like the following new idea: 14.ttJb5!N E:ac8 1 5.id4 a6 The a7-pawn was not really hanging, but it would be annoying for Black to have to think about this every move. (For example, note that the natural 1 5 ... E:fe8 fails to 1 6.ixa7! b6 1 7.ixb6 cxb6 1 8.ixe4 '&xe4 1 9.ttJxd6. Then Black cannot play 1 9 ...Wfxe2 in view of 20.'&xe2 E:xe2 2 1 .ttJxc8 ixc8 22.E:fe l ! and, after exchanging rooks, White's queenside pawn majority should easily decide the game.) 16.ttJc3 White retains a small but lasting edge, thanks to his favourable pawn structure after either 1 6 . . . ttJxc3 1 7.ixc3t or 1 6 ... ttJxd4 1 7.ttJxe4 ttJe6 ( l 7 ... ttJc6 allows White to strike with 1 8.c5!) l S.ttJc3t. 1 2.0-0 tt:Jd7 1 3.ie l a5 14.ttJd2 ttJef6 1 5.ttJb3 a4

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This is the game I mentioned above, Laznicka - Bologan, Khanry-Mansiysk 2009, and now I found a nice improvement: 1 6.tt'la5!N tt'lc5 1 7.b4 axb3 1 8.axb3 1:%a7 1 9.b4 tt'la6 20.'lWb3 White has a very pleasant game, thanks to his pressure on the queenside.

13.1:%xc3

1 1 .0-0 eS 1 2.lLld2

8 7 6 5 4 3 2 1

At this point it probably makes most sense to get on with it on the kingside with 1 3 .. .f5, but Black also has two other reasonable options: C321) 13 ... b6, C322) 13 .id7 and C323) 1 3 ... 5. ..

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1 2 ... tt'lxc3 Black should take the bishop, but the alternative has also been tested: 1 2 ... tt'lxd2 This is not such a good idea, as White's dark squared bishop will eventually become very powerful. For example: 1 3.'lWxd2 b6 1 4.b4 f5 1 5.f4! An important move in White's strategy, as he has no intention of allowing Black to play .. .f4 himself. 1 5 ... tt'lf7 1 6.1:%ce 1 With the intention of opening up the position with the advance e2-e4. 16 ... e4 17.'lWd4 tt'lh6 1 B.h3± Black had a strategically very difficult position in Cvitan - Matijevic, Zadar 1 995. Black is tied to the defence of the g7-pawn, while White controls the long diagonal and slowly prepares c4-c5.

C321) 1 3 . b6 14.f4 ..

After 1 4.b4 a5! 1 5.a3 axb4 1 6.axb4 f5 Black gets an improved version of our main line with a couple of pawns exchanged on the queens ide and an active rook. 1 7.c5 bxc5 I B.bxc5 tt'lf7 1 9.'lWc2 f4 20.cxd6 cxd6 2 1 .1:%c7 'lWf6 22.'lWc3 ig4 led to balanced play in Tkachiev Benjamin, Cap d'Agde 2000.

14 . exf4 I believe this is critical, as after 1 4 . . . a5 1 5.f5! f6 1 6.g4 tt'lf7 1 7.tt'le4 White has easy play on the kingside, while Black lacks any counterplay. In Zakharevich - Ulibin, Azov 1 996, it is not surprising that Black tried to change the course of the game with the risky 1 7 . . . h5 1 8.gxh5 tt'lh6, but this only helped White to build his kingside offensive by 1 9.ih3 id7 20.1:%g3 ie8 2 1 .'lWd2 'it>h8 22.'it>h 1 ixh5 23.1:%fg 1 with a dangerous attack. .

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I S.gxf4

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Chapter 4 - 4 ... 'We7 After 1 5.l'hf4 Black can set up a solid position with 1 5 .. .f6 followed by ... 4:lf7-e5.

15 ...5 IG.4:lb3 White can Stop Black's idea of transferring his knight to c5 with 1 6.4:lf3 4:lb7 1 7.b4, but this would allow Black to create counrerplay after 1 7 ... a5 1 8.a3 axb4 1 9.axb4 l"i:a2 20.4:ld4 \Wf6! with a double-edged position. 16... 4:lb7 17.tbd4 tbe5 1 8.b4 tbe4

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14.e5 f5 I f 1 4 ... dxc5 then White has the e4-square for his knight: 1 5.4:le4 (this is more precise than 1 5.4:lb3 ia4) 1 5 ... b6 1 6.b4 f5 1 7.4:lxc5! bxc5 1 8.d6 cxd6 1 9.ixa8 4:le6 2o.id5± Black has no compensation.

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19.ixe4 I would also consider 1 9.1"i:e3!? with the idea of forcing Black to recapture on e4 with the pawn, reaching the same type of position that arose in the game.

1 5.cxd6 cxd6 IG.ge7 Since the d7-bishop blocks Black's queen, the c7-square is available for White's rook; he has seized the initiative. 16 .. J"k8 17.:i'1:xe8 Le8 1 8.'Wa4 a6 1 9.9c1 id7 20.'Wa5 ib5 2 1 .ifl 'Wf6 22.ge8 tiJf7

19 ... fxe4 I believe Black should have opted for 19 ...'lWxe4 20.l"i:ff3 \We7. Although White is better after 2 l .:i'1:g3, Black may be able to hold his position together. 20.'lWd2 i5 2 1.gg3 White had a slight but lasting advantage, without any risk, in Jepson - Holst, Hallsberg 199 1 . C322) 1 3 ...id7

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23.V9c7! White had a clear advantage in Gyimesi Ikonnikov, Vlissingen 2002. C323) 13 . f5 ..

The right way to activate Black's knight.

16.cxd6 cxd6 17.V9a3! I believe this is more accurate than 1 7.:!"lfcl, as it does not allow Black the extra option of I 7 ...�a6.

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14 .. ttJ£7 Instead of the text move Black sometimes tries: 1 4 ... dxc5 1 5.ttJb3 Black's idea was to try to transpose to the variation 1 5.'lWc2 e4, which was mentioned in the 1 0 ... ttJxc3-1ine on page 53. 1 5 . . . e4 16. ttJxc5 I believe White's chances are better, for instance: 1 6 . . . ttJf7 Or 1 6 . . . b6 1 7.ttJb3 �b7 I S.S!. 17.'lWc2 'lWd6 l S.:!"ld l In both cases White's position is preferable. .

on the kingside: 1 5 .. .f4 1 6.cxd6 cxd6 1 7 .�fcl White is clearly better, as we can see from the following example: 1 7 ... fxg3 I S.hxg3 Wg5 1 9.ttJe4 'lWh6 20.:!"lc7 �f5 2 1 .'lWxb7 :!"lab8 22.'lWxa7 :!"lxb2 23.'lWa3! White won a pawn and kept everything under control in Daurov - Reeh, Baden-Baden 200S.

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Finally we have arrived at the main branching point of rhis chapter. The three moves I have decided to look at here are: C3231) 17...ib7, C3232) 17... e4 and C3232) 17 ... aS.

C3231) 17...ib7 This is Black's most popular choice.

1 8JUcl �fc8 In his comments in ChessBase Magazine 1 06 Dautov gave the following illustrative lines:

l s.V9b3 There is no great difference between the text and 1 5 .cxd6 cxd6 I 6.'lWb3.

I S ... e4 1 9.:!"lc7 'lWg5 20.f4! exf3 2 1 .ttJxf3 'lWh6 22.ttJd4 �acS 23.e3± with a big advantage.

l S b6 Black has no time for the thematic attack

I S ... Wg5 I 9.e3 e4 20.f4! 'lWh5 (it seems more natural to me to try 20 ...'lWf6, but White carries

.•.

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Chapter 4 - 4 . . . Wfe7 out the same idea, 2 1 .ttJb3 ixd5 22.ttJd4, with excellent compensation) 2 1 .ttJb3 ixd5 22.ttJd4 a6 23.l::k7 Despite being a pawn up, Black is almost paralysed.

19.e4 Now the key game in this line continued:

This is Dautov - Wahls, Germany 2005. White's positional advantage is obvious. He is threatening the positional idea of ih3-e6, while after 23 ...ics he penetrates along the c-file by means of 24.�c4 followed by �c7.

C3232) 17 ... e4

19.. J'!xc3 Black's position is very passive after 1 9 . . . g6 20.h4 Wg7 21 .ttJc4, and it is no wonder he now committed a serious mistake: 2 1 . . .b5? 22.ttJa5 a6 23.ttJc6 ixc6 24.dxc6 In Bocharov ]. Grant, Istanbul 2003, Black was strategically lost. -

20.l'!xc3 fxe4 2 1 .ttJxe4 A serious alternative is 2 1 .ixe4!? 21 ...�d8 It is easy to understand why Black was scared of grabbing the pawn with 2 1 . . .ixd5, as after 22.ttJf6t gxf6 23.ixd5� it is very difficult to defend such a position.

� i!��.:" . . . %� � � � � �""%%0'i.% 0 %0 0 ' 6• t� t�� % zo . . .../O� . ... � � �m� m. .��,�� :� �C�' �� .�� / ' '' L ' ; t� � �� . . 23 "� � _ %� ��. � � y 1 � � �. "�f d f .

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1 8.l'!fcl It is also worth considering l S.f3!?N with the idea that l S ... exf3 1 9.ttJxf3 ttJe5 20.ttJd4 is clearly better for White, and l S ... �e5 1 9.1'!d l exf3 20.ttJxf3 �xe2 2 1 .l'!e l Wfa6 22.l'!e7 gives White strong compensation. 18 ...id7 1 9.ttJb3 �e5 Somewhat better was 19 . . . �e5, though arrer 20.l"k7 gfdS 21 .e3 Wxd5 22.gxa7 White would enjoy a pleasant advantage. 20.�d4 l'!fe8 This is a serious error in an already very difficult position.

22.h4 a6 22 . . .ics was suggested by Dautov as an improvement over the game. I believe arrer 23.!'k6 id7 24.ttJxd6! ixc6 25.ttJxf7 @xf7 26.dxc6 White's position is almost winning.

2 1 .l'!xe8t l'!xe8 22.l'!xe8t ixe8 23.�b5 White won a pawn in Kazhgaleyev - Izeta Txabarri, Cannes 1 999.

23.�b3!

Black insists on playing ... ia6.

C3233) 17 ... a5

58

Th e Bogo-Indian Defence

27...'lWxa2

I BJ;fcl ia6

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19.:1:k7 'lWf6 20.e3 Certainly White has no intention of allowing Black any counterplay along the f-file, as might happen after 20.e4 f4.

2B.h3! White consistently restricts Black's knight, denying it the active g4-square. Black's position is hopeless.

20...e4 21 .lLlb3 'lWe5 It looks as if Black has managed to trick his opponent and is winning the d-pawn, but Tkachiev executes a wonderful positional idea.

2B ...'lWblt 29.Wf2! Accuracy till the end! 29.�h2 would allow Black to complicate matters with 29 ... Elf6! creating the mating idea of ... tUg4 t followed by ...Elh6.

22.ltJd4 'lWxd5 23.f4! Taking control over the e5-square and completely restricting the black knight. Strategically, Black's position is very difficult and in the game he failed to put up serious resistance.

29...'lWd3 30.'lWcl ! Black's queen i s trapped o n d 3 and there is no defence against 3 1 .Elc3 that does not allow 3 1 .�fl , so Black resigned in Tkachiev Korchnoi, Biel 2002. I witnessed this game live and it made a deep impression on me, especially taking into account that Tkachiev played this game with one eye, after being beaten up two days before by some criminal in a bar.

23 ... lLlh6 I believe 23 . . J:'!ac8 was more tenacious, but even so after 24.Wa4! Black is doomed to passivity. 24J' H c6 gacB 25.'lWc3 gxc7 26.gxc7 gO 27.gc6 ll1ere are many ways White could end Black's resistance, but the moves in the game are quite elegant:

Conclusion: The 4 ...We7 Iine is the most important variation of the solid and respectable Bogo-Indian. With accurate play White retains an edge, but it is important that he is well prepared, as it would be easy to become confused by the various transpositional possibilities.

Budapest Gambit Fajarowicz Variation Variation Index l .d4 ltJf6 2.c4 eS 3.dxeS ltJe4?! 4.a3

A) 4... b6 B) 4... ttJc6 C) 4...�h4 D) 4... d6

60 62 63 64

A) note to 6 . . .a5

A) after l O ... a4

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D) after 6 ... tLlc6

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The B udapest Gambit

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l .d4 ttJf6 2.c4 e5 3.dxe5 ttJe4?! This dubious variation is rarely seen at grandmaster level. The only value of this line might be as a surprise weapon to catch the unwary. When a player prepares his opening repertoire with White, the Fajarowicz is just the kind of line that might be skipped in the belief that no Black player will risk it, and then suddenly White has to starr thinking on move 4!

losing material to 6.Vf1d5). After 6.id3 Black struggles to support his knight on e4, leaving White clearly better.

4.a3

5.ttJf3 ib7 6.ttJbd2

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White has a few ways of obtaining an advantage, but I believe the text move is the easiest one. White takes control of the b4square and prepares to challenge Black's knight with Vf1c2. The main alternative is 4.tLlf3 with the idea that 4 . . . lLJc6 5 .a3 transposes to 4.a3, but then Black has an important alternative in 4 . . .ib4t, when there is a lot of theory, though White's chances look preferable to me. After 4.a3 Black has many options, so we shall dedicate more space to this gambit than it deserves. The main options are: A) 4... b6, B) 4 ... ttJc6, C) 4 ... Vf1h4 and D) 4 ... d6. 4 ...ic5 5 .e3 d6 also exists (but not 5 . . . lLJc6?

A) 4... b6 This is Black's best option according to Gutman's book on the Fajarowicz variation. But it is hard to believe Black can give away a central pawn and then play so calmly.

6 a5 This rypical move was suggested as the best option by Moskalenko in The Fabulous Budapest Gambit. Black has a couple of alternatives: ...

6 . . . ttJc5 7.b4 lLJe6 8.ib2 d6 (Or 8 . . . a5 9.b5 d6 1 0.exd6 ixd6 1 1 .g3 would lead to more or less the same position.) And now White should continue: 9.exd6 (instead of 9.lLJb3 as was played in S. Hartmann - W. Stein, Germany 2003) 9 . . .ixd6 1 0.g3 The bishop will be much better on g2 than it would be on e2. 1 0 . . . 0-0 1 1 .ig2 a5 1 2.b5 lLJd7 1 3.0-0 lLJdc5 Black has a nice square for his knight, but it is not enough to give real compensation. 1 4.Wc2 Vf1e7 1 5 .e3± White can gradually improve his position with me l , �ad 1 and then play lLJd4 at a suitable moment.

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Chapter 5 - Farajowicz Variation 6... lt'lxd2 7.ixd2 Now Gutman recommends: 7...Wie7 7... lt'lc6 8.ic3 We7 was played in Kreiling - Jaeck, Wiesbaden 1 998, and now 9.Wc2 would just transpose to 7 . . .We7. Now, after a simple developing move it is not easy to see what Black can do.

9.g3 The alternative 9.lt'ld4 It'lc5 1 0.f3 ib7 l 1 .e4 a4 seems less convincing, though I am pretty sure White is still better. 9 ... ttJcS 1 0.ig2 Instead 1 0.b3 ie7 1 1 .ig2 d6 would allow Black some counterplay. 1 0... a4

8 � � �* � �� _'. i/,� '�_i 7 ��. � . ' %�� % '. .""�� 5 � ',, . · . · %�·0� �. � � 4 '�0-�£� �'�� 3� _ _ Qjif .��% �_r;�%�� -i= .n %:

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z

6

8.Wic2! Gutman only gives 8 .ic3 g6 and then Black perhaps gets some play, though I have no doubt White is still better even here. 8... lt'lc6 Black cannot play 8 ... g6? It runs into 9.ig5! Wie6 10.if6. Black's position is hopeless. 9.ic3 0-0-0 1 0.0-0-0 We6 1 1 .e3 ie7 12.ie2 You would need to be Lev Gutman to believe that Black has anything for the pawn in this position.

7.ttJxe4 ixe4 8.if4 This is much stronger than 8.Wd4 as Black replies 8 ...ib7 and will continue with the manoeuvre ... It'la6-c5 when the queen looks vulnerable on d4.

8 ...ttJa6 After 8 ...ie7 9.e3 It'la6 (or 9 ... lt'lc6 10.id3±) l o.id3 ixd3 (if 1 0 ...ib7 then 1 1 .0-0 It'lc5 12.ic2 a4 1 3.lt'ld4 is clearly better for White) 1 1 .Wixd3 lt'lc5 1 2.Wc2 0-0 1 3.0-0 a4 1 4.�ad l ± Black has no compensation for the pawn.

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1 1 .�cl! Certainly White should avoid the following line: 1 1 .0-0 It'lb3 1 2.�a2 ic5 1 3.lt'ld2 ixg2 1 4.Wxg2 g5 1 5.ie3 ixe3 1 6.fxe3 �a5! 17.lt'lxb3 axb3 1 8.Wxb3 We7 Black does have compensation in this case. 1 1 ...ie7 Now White can comfortably meet 1 1 . . . lt'lb3 with 1 2.�c3. 1 2.0-0 0-0 13.ttJd4 ixg2 14.Wxg2 f6 l s.lLla I do not see any real compensation for the pawn, for example: lS ...W h8 16.Wc2 fxeS 17.ixeS d6 18.�cdl Wd7 1 9.ic3± Black has no compensation.

62

The Budapest Gambit

B) 4 ltJc6 5.llJf3 d6 ...

This is supposed to be the main line, but in my opinion it is completely unacceptable for Black; White gains a huge advantage. Black's alternative is also uninspiring: 5 . . . a5 6.Wc2 d5 6 ... 4Jc5 7.4Jc3 as in Neverov - Pletanek, Pardubice 1 992, should j ust be a pawn up for White, although Gutman in his book Budapest Fajarowicz still believes in Black's position after 7 . . . h6. A funny move - Black is not worried about anything... Now I like 8.�e3 4Je6 9.g3 with an extra pawn and a positional advantage. 7.e3 Black's extra move . . . a7-a5 proves to be absolutely useless. 7 . . .�e6 7 . . . �g4? loses to 8.cxd5 Wxd5 9.�c4. 8.4Jbd2 4Jc5 So far this is Grabarczyk - Vospernik, Pula 1 998, and now simple chess is good enough: 9.�e2 �e7 1 0.0-0 0-0 l 1 .�d1 White has a clear advantage, as Black has no compensation at all.

G.'IWc2!

8 7 6 5 4 3 2 1 G d5 .••

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Two other moves also deserve attention at this point. 6 ... 4Jc5 7.b4 4Je6 8.exd6 �xd6 9.�b2 (I like the text move more than 9.e3 a5 1 0.b5 4Je5 when Black had some play in Marklund Olsson, Sweden 2006) 9 ... 0-0 1 0.e3 Black had no compensation in Spraggett - Milia de Marco, Madrid 2000. 1 0.4Jbd2!? is also worth a look. After 6 ...�f5?! 7.4Jc3! White is clearly better everywhere (less strong is 7.4Jbd2 4Jxd2 8.Wxf5t). I analysed the following lines: a) 7 ...ltJxc3 8.Wxf5 4Ja4 9.g3 (9.�f4 should also be good) 9 . . .�e7 1 O.Wc2 4Jc5 l 1 .b4 4Je6 1 2.exd6 cxd6 1 3.�g2 White was simply a pawn up in Smejkal - P. Popovic, Novi Sad 1 976. b) 7 ... ltJg3? 8.e4! This is the point of 6.Wc2. Now Black has rwo options; in both lines he manages to win an exchange, but this is a temporary achievement, since White will capture his knight in a few moves: 8 ... 4Jxh 1 Or 8 ...�xe4 9.4Jxe4 4Jxh l 1 0.�g5 (not 1 0.g3 dxe50 1 0 ...�e7 1 1 .�xe7 Wxe7 1 2.exd6 cxd6 1 3.0-0-0 White will continue 1 4.�d3 with a big advantage, as Black cannot rescue his knight from h I . 9.exf5 dxe5 The other capture is no better: 9 ... 4Jxe5 1 0.4Jxe5 ( l O.�e3 with the idea of 1 1 .0-0-0 is also strong) 1 0 . . . dxe5 1 1 .�e3 ( l l .g3!?) 1 1 ...Wh4 1 2.0-0-0 �e7 In Hamrakulova - Mourut, Oropesa del Mar 2000, White should have played 13.�d3 Wxh2 14.4Jd5 �d8 1 5 .4Jxc7t! �xc7 1 6.Wa4t Wf8 1 7.Wb4t \t>g8 1 8.Wxb7 with a decisive advantage. 1 0.�e3 �e7 After 1 O . . . 4Jd4 1 1 .We4 4Jxf3t 1 2.gxf3 c6

Chapter 5 - Farajowicz Variation 1 3.f4 Black was lost in V. Georgiev - Olgag, Izmir 2006. 1 1 .gd 1 Wic8 1 2.lLld5 In S. Ford - Penoyer, California 1 992, Black was totally helpless against White's plan, which includes g2-g3 and �g2. White could even play Wie4, �d3, and �e2. c) 7 ... lLlxf2 8.Wixf5 lLlxh 1 9.e6 The black knight cannot escape, therefore White's advantage is indisputable (also good enough is 9.g3 g6 10.Wie4 �g7 1 1 .exd6t Wf8 1 2.�g2) . 9 . . . fxe6 (or 9 . . .Wie7 1 0.exf7t Wixf7 1 1 .Wixf7t Wxf7 12.g3 followed by 1 3.�g2) 1 0.Wixe6t Wie7 (or 1 0 . . .�e7 1 1 .g3) 1 1 .Wid5! Black cannot castle in view of ig5. There is also no defence against the idea of g2-g3 and ig2, Reshevsky - Bisguier, New York 1 955.

7.e3 Less clear is 7.lLlc3 lLlxc3 8 .Wixc3 d4. 7 .ig4 After 7 . . .�e6 8.lLlbd2 lLlxd2 9.ixd2 dxc4 I O.ixc4 �xc4 1 1 .Wixc4 in Fokin - Beltugov, Russia 2000, White had a clear extra pawn, as it will be defended with �c3. ..

7 ...1f5 8.id3 �g6 was played in N.V. Pedersen - Slisser, Dieren 2004, and here I believe the best continuation is 9.lLlbd2 lLlxd2 1 0.ixd2 dxc4 1 1 .ixg6 hxg6 1 2.Wixc4, followed by ic3 with a clear advantage.

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8 �_ �._ �� 7 .�T��_· . " ... "� %�iY._·....."�i

� 6 lil�a�D.�. 543 ,,". ,�� , � �� p� i�!�i � � ", " / J !l SJ t�iVm. . t� � �� ..

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' " "r;i? M " '''WfL� . il ,� � �? . §

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10...�xf3 Or 1 O ... lLlxd2 1 1 .ixd2 and Black is a pawn down and has a lousy position. For example: 1 t .. .Wic5 1 2.b4 Wie7 (or 1 2 . . .Wib6 1 3.ixf7t @xf7 14.Wic4t collecting the loose bishop) Now White decides the game with the nice 1 3 .�a6!. 1 1 .gxf.3 lLlxd2 1 2.ixd2 'lWxeS The same tactic reappears after 1 2 . . .ib4 1 3.0-0-0 �xd2t 1 4J':hd2 Wixe5 when 1 5 . .ia6! is a winner. 1 3.�c3 White's advantage was already decisive in Fuzishawa - Borwell, corr. 2004. Black is lagging behind in development and White's initiative is deadly. C) 4 . 'lWh4 .

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8.cxdS 'lWxdS 9.�c4 'lWaSt Now White has two advantageous lines, luckily the strongest is also the most practical:

Black brings his queen our immediately, tempted by the threat of mate. The popularity of this line is surprising, as the queen is awkwardly placed.

lo.lLlbd2! This is by far the simplest way. More complicated, bur eventually also in White's favour, is 1 0.b4 ixb4t 1 1 .axb4 Wixa 1 1 2.'lWxe4, and now my analysis continues for another page. There is no need for any of this.

S.g3 'lWhS After the natural development of the bishop (White has other options as well) White has a clear advantage in every line, since the black queen does not have a safe square. White will win a few tempos to develop his pieces.

64

Th e Budapest Gambit

6.ig2 Wfxe5 7.ttJa If the reader wishes a back-up plan then 7.Wfc2!? is also reasonable.

White has gradually improved his position, and has a clear positional advantage due to the weak spot on d5, Kurirov - Kurajica, Strumica 1995.

7 ..Wfh5 This is the best square available. 8.Wfc2 ttJf6 9.ttJc3 There is no doubt White is clearly better. 9 ... d6 10.ig5 ie7 1 1 .h4 0-0 12.0-0-0 White had a very promising position in Babula - Ramik, Czech Republic 1 998. .

D) 4 d6 ...

Black's best move order. 5.ttJ f3 Simple development works fine. Instead 5 .Wfc2 is met with 5 . . . ttJc5. 5 . ifS Anticipating 6.Wfc2. The pawn capture has yet to be tested in tournament practice: 5 ... dxe5N 6.Wfxd8t �xd8 7.ttJxe5 ie6 8.e3 (Less clear is 8.g3 id6 [inaccurate is 8 ... tZlc5 9.ttJd2 id6 10.ttJef3 when White is better] 9.ig2 ixe5 1 0.ixe4 ttJc6 and Black has some activity.) 8 ...id6 9.ttJf3 White keeps a healthy extra pawn. 5 . . . ttJc6 transposes to the 4 . . . ttJc6-line. ..

7 Wfft> 8.Wfc2 ttJc5 9.ttJc3 ttJe6 1 0.0-0 (or 1 0.ttJd5 Wfd8) 1 0 ... ttJc6 1 1 .ttJd5 Wfd8 1 2.b4 Yle7 13.ib2 0-0 14.l"lad l White had a dream position in Yrjola - P. Fossan, Gausdal 1 988. ...

7 Wfc5 8 .ttJd4 (also interesting is 8.0-0!? with the idea of8 . . .Wfxc4 9.1lf4 with a fine initiative) 8 ... ttJd6? (or 8 ... ttJc6 9.1le3±, so Black should try 8 . . . ttJf6 although White is better) In Effert - Brandies, Keeskemet 1990, White could have won on the spot with 9.id5! (threatening 1 0.b4 followed by 1 1 .c5) 9 ... ttJxc4 1 0.ttJb3 Wfb5 l 1 .ttJc3 Wfa6 1 2 .Wfd4 ttJd6 13.Wfe5 With a decisive attack. ...

7 ... Wfa5t 8.ttJbd2 Ylc5? This is Pelletier Flunkerr, France 1994, and now White missed the simple 9.b4 ixb4 1 0.axb4 Wfxa1 1 1 .ttJxe4 with a decisive material advantage. 7 Wfe7 8.0-0 d6 9.ttJd4 c6 10.b4 ( l 0.if4 was also strong) 1 0 ... g6 1 1 .ib2 ttJf6 ( l l ...ig7 loses to 1 2.ttJxc6! and the bishop is hanging on g7) 1 2.ttJc3 Ylg7 1 3.b5 c5 14.ttJc2 0-0 1 5.ttJd .••

6.g3 ttJc6 In Volume 8 of 50S, GM Arrur Kogan quotes the game Levin - Gutman, Germany (ch) 200 1 , which continued: 6 . . . h5 7.ig2 tZlc6 8.ttJd4 ttJxd4 9.Wfxd4 ttJc5 1 0.Wfd dxe5 1 1 .b4 (Gutman recommends 1 1 .Wfxe5! but Levin's move is also fine) 1 l ...ttJe6 1 2.ib2 f6 1 3.Ylxb7 l"lb8 And now instead of 14.ie4 as in the game (which allowed the clever 14 ...ic5!) the bold 14.Wfxa7! refutes Black's play. Black has no tricks and if anything his king is more exposed than White's. After 6 . . . ttJc6 at first sight it seems Black hal reasonable chances of gaining compensation,

Chapter 5 - Farajowicz Variation but after a few minutes I found an effective antidote:

65

of proving compensation - I believe in White's extra pawn! My initial analysis went: 8 .. .luc5 9.b4 ttJd7 1 0.exd6 ixd6 1 1 .ttJd2 Defending the c4pawn. 1 1 ...0-0 1 2.0-0 a5 1 3.b5 ttJce5 1 4.ib2 ttJc5 1 5.'1&c2± White is simply a pawn up.

9.exf6 ttJxf6 Here I believe White has two clear paths to an advantage, instead of the passive 1 0.ttJd2, which was examined in Gutman's book.

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7.ltl h4! This is a clear improvement on previous over the-board practice (I later found some games with 7.ltlh4 in correspondence and e-mail chess). Actually the idea of 7.ltlh4 is quite simple - White wins a few tempos to develop his pieces, while at the same time pushing back the black pieces. After 7.exd6?! �xd6 8.�e3 (or 8.�g2 �c5!?) 8 ...W!f6 Black has decent compensation.

7...ie6 7 ...id7 does not change the evaluation, as after 8.ig2 ltlc5 9.b4 ltle6 1 0.exd6 �xd6 (or 10 ... W!f6 1 1 .�a2 �xd6 1 2.ltld2± intending �e4) 1 1 .�b2 0-0 1 2.ltlf3 White keeps everything under control and remains a clear pawn to the good. 8.�g2 f5 After completing my initial analysis I discovered that Gutman in Budapest Fajarowicz had also noticed White's strong seventh move, but had drawn a different conclusion. Despite my respect for Gutman, I will choose to disagree with him on this point. I think my job of proving an advantage is easier than his

1O.h3 The most natural continuation. Also strong is 1 0.ttJc3 ixc4 1 1 .'I1*'a4 �e6 (after 1 1 ...d5 1 2.b3 �a6 1 3.0-0 'I1*'d7 1 4.�g5 White wins back the pawn with dividends) 1 2.�xc6t bxc6 1 3.'I1*'xc6t �d7 1 4.'I1*'c4 c6 1 5 .e4 with a clear advantage. 1 0... d5 If 1 0 ...'I1*'d7 then 1 1 .ttJc3 0-0-0 1 2.ttJd5 and White takes control of the d5-square when his advantage is undeniable. 1 1 .cxd5 hd5 1 2.hd5 �xd5 13.�xd5 ttJxd5 14.ih2 0-0-0 15.ttJd2 Even an optimistic gambit fan should dislike Black's position, as White is a pawn up without any compensating activity for Black. Also good enough is 1 5.ttJf3 with an advantage. Conclusion: White has a clear advantage after the calm 4.a3, as Black fails to prove any kind of compensation. The most playable line is 4 . . . d6, since Black seems to be able to gain reasonable compensation after most continuations, therefore the strong move 7.ttJh4 is important for the evaluation of the whole line. My verdict is that White is firmly in control against the Fajarowicz variation.

Budapest Gambit a

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The Classical Variation Variation Index l .d4 �f6 2.c4 eS 3.dxeS �g4 4.�f.3 A) 4...i.b4t?! B) 4... �c6 S.i.f4 i.b4t 6.�bd2 B 1) 6... f6 B2) 6 ... fie7 7.e3! �gxeS 8.�xeS �xeS 9.i.e2 B2 1) 9 ... d6 B22) 9 ... b6 B23) 9 ...i.xd2t B24) 9 ... 0-0 B2S) 9 ... aS! C) 4...i.cS S.e3 �c6 6.�c3 0-0 7.i.e2 �gxeS 8.�xeS �xeS 9.0-0 C1) 9 ... d6 C2) 9 aS C3) 9 .. J:�e8

67 68 68 71 72 74 76 78 81 83 84 86 86

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C l ) after 1 l . . .ltJg4

B 1) note co 9 ... d6

C3) after 12 ... ltJg6

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Chapter 6 - Classical Variation

l.d4 tt::l f6 2.c4 e5 3.dxe5 tt::l g4 This is the starting position of the Budapest Gambit. At the beginning of the 20th century the Budapest was played by the world elite, such as Vidmar, Mieses and Schlechter. Nowadays only a few grandmasters play this opening regularly: Mamedyarov (mostly in rapid chess), Miezis and of course Viktor Moskalenko, who has published a lot of analysis on the Budapest. 4.tt::l f3 This is White's most common reply. Why do I recommend this line? Firstly, because this move is objectively strong and leads to an advantage for White. Secondly, I believe the style of play that usually develops after 4.tt::l f3 is not what Black expects when choosing the Budapest Gambit - certainly he is dreaming of active piece play for the sacrificed pawn, with many tactical possibilities. Instead we choose to return the pawn and switch to more positional play, with a small but stable advantage for White. The main alternative is 4.if4. The problem with this move is that Black gains some additional options (not only to go for our main line after 4 ... GLlc6 5.tt::l f3 and so on) such as 4... d6 5.exd6 Wf6, or 4 ... g5!? 5.ig3 ig7, which I think looks quite reliable for Black.

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Black's other try is no better: 5 ...ixc3t 6.bxc3 Vlie7 Black's intention is to transpose to a line from the 4.if4 variation, but White has a strong reply: 7.Vlid4! It will prove useful for White to provoke ... h7-h5. Other moves are less clear: 7.ig5 Wa3 8.We l Wc5 and Black regains the pawn. Also 7.if4 GLlc6 transposes to a line I do not recommend for White, as Black has compensation. 7 ... h5 Black is much worse after 7 . . . f5?! 8 .if4 GLlc6 9.Wd5 Wa3 1 0.Ekl followed by 1 1 h3. 8 .if4 GLlc6 9.Wd5 f6 1 0.exf6 GLlxf6 I l .Wd3 We have arrived at a position from the line 4.if4 GLlc6 5.GLlf3 ib4t 6.tt::l c 3 ixc3 7.bxc3 We7 8.Wd5 f6 9.exf6 GLlxf6 l O.Vlid3 with one serious difference - Black has the extra move ... h7-h5, which definitely weakens the black king's position, especially ifhe castles kingside. This makes the line virtually unplayable for Black.

After 4.GLlf3, besides Black two main replies, there is a minor line that briefly requires our attention: A) 4 ...ib4t?!. Main are B) 4.. tt::l c6 and C) 4... ic5, which we will look at below. But first: .

A) 4 ...ib4t?! This does not look like a serious move.

5.tt::l c3 Vlie7 Or 5 ... tt::l c 6 6.ig5 ie7 7.if4± is simply bad for Black.

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6.id2!N Very simple and at the same time very strong; 6.Wd4 h5 is less clear. 6 . tt::l xe5 ..

68

The Budapest Gambit

Instead 6 ... ixc3 7.ixc3 ttJc6 8.Wd5 is clearly in White's favour, as Black is forced to play 8 .. .f6 because 9.h3 is threatened.

7.ttJxe5 Wxe5 8.a3 ixc3 After 8 ...ic5 9.ttJd5! followed by 1 0.ic3, Black has serious problems. 9.ixc3 �g5 Here White has a very smooth idea:

5.if4 ib4t 6.ttJbd2 The play now splits depending on whether Black wants to sacrifice a pawn or regain material equality. The lines we shall study are B I ) 6...f6 and B2) 6...We7. BI) 6 ... f6 A typical Budapest ploy; this move's over-the board debut was in Rubinstein - Tartakower, Bad Kissingen 1 928!

7.exf6 �xf6

1 1 . ..d6 1 1 ...0-0 is strongly met by 1 2.E1g3 f6 1 3 .Wd5t @h8 1 4.h5! and White will either win material after 1 5.id2, or push h5-h6, which would create a decisive attack. 12.E1g3 E1g8 1 3.E1e3t ie6 I4.�b3 b6 I5.g3 White will continue 1 6.ig2 and 0-0-0 when his advantage is undisputable. With this out of the way, let's turn to the more theoretical lines.

B) 4 ... ttJc6 Recently this has been second popular.

8.e3 The aforementioned game continued 8 .g3 Wxb2 9.ig2, but I prefer a plan based on developing the bishop on e2. 8 ...�xb2 9.ie2 d6 Castling immediately is also an option, but it leads Black into trouble: 9 ... 0-0 1 0.0-0 d6 This is the first critical position of the 6 . . .f6 variation. White's main problem is to choose the best move from many tempting continuations. I I .c5! After having analysed this line for several hours I came to the conclusion that this is White's best option. The text allows White ro

Chapter 6 - Classical Variation exploit the disharmony of the black pieces, as well as use the a2-g8 diagonal. Other options were: I l .ltJb3, I l .ltJe4 and I l .a3. The only practical test of I I .c5 continued: 1 l ...ixc5 Let's check out the other capture: 1 1 ...dxc5 1 2.ltJc4 The perfect square for White's knight. 1 2 ... 'lMrf6 1 3.a3 ia5 1 4.ltJxa5 ttlxa5 1 5.ltJg5! (Instead 1 5.Ek l b6 1 6.ltJg5 h6 1 7.'lMrd5t cJih8 1 8.'lMrxa8 hxg5 1 9.ixc7 ib7 20.'lMrxa7 'lMrc6 leads to unnecessary complications; and 1 5.ixc7 b6 1 6.h3 ltJh6 is only slightly better for White.) 1 5 ... h6 (after 1 5 ... ltJe5 1 6.'lMrd5t ltJf7 White has the tactical blow 1 7.ltJxh7! \t>xh7 1 8.'lMrxc5 and both the f8-rook and a5-knight are hanging, so White would remain a pawn up) 1 6.'lMrd5t cJih8 1 7.ltJe4 'lMrf7 1 8.'lMrxf7 l'!xf7 1 9.1tJxc5 White's chances are clearly preferable in this endgame, thanks to his pair of bishops. The advance 1 1 ... d5?! is easy to dismiss: 1 2.ixc7 gives White a healthy extra pawn.

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12.ttlg5!N This is a serious improvement over Wiener Raddatz, Pinneberg 1 994, which continued 12.l'!b l 'lMrf6 1 3 .ltJe4 'lMre7 (worse is 1 3 ...'lMrf5?!, as it would allow White to seize the initiative after 14.id3 'lMrh5 1 5.ltJxc5 'lMrxc5 1 6.'lMrb3t 'it>h8 1 7.ltJg5) 1 4.ltJxc5 dxc5 1 5.ltJg5. And now 1 5 ... ltJf6 was the correct move with a rather unclear game. 12 ...h6

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The tactics do not work for Black: 1 2 ...l'!xf4? 1 3.exf4 ixf2t 1 4.cJih l ltJe3 1 5.ic4t! and next 1 6.'lMrh5 will decide. 1 3 .ic4t \t>h8 1 4.ltJf7t l'!xf7 Instead 14 ... \t>h7 loses after 1 5.h3 ltJge5 1 6.ixe5 ltJxe5 (or 16 ... dxe5 1 7.l'!b l 'lMra3 1 8.'lMrh5 with a decisive attack) 1 7.l'!b l 'lMrc3 1 8.l'!b3 'lMra5 1 9.1tJxe5 dxe5 20.l'!b5 'lMra3 2 1 .ltJ b l winning a piece. 1 5.ixf7 if5 1 6.ltJc4 'lMrf6 1 7.id5 Black does not have sufficient compensation for the exchange.

10.0-0 �ge5 This is the best try. The alternatives are much worse: 1 0 ... ltJf6 I l .c5! Here this typical move is extremely strong, since after: 1 1 .. .d5 (not 1 1 . .. ixc5? 1 2.ltJc4 when Black's queen is trapped) 1 2.ixc7 if5 (or 1 2 . . .ixc5 1 3.l'!c1 ie7 14.l'!c2 'lMrb4 1 5.ltJe5 would give White a clear positional edge playing against an isolated pawn) 1 3.'lMrb3 ( l 3.id6 looks even stronger) 1 3 ...'lMrxb3 1 4.ltJxb3 0-0 1 5.ltJfd4 White was just a pawn up in Borisenko - Shaposhnikov, Riga 1 954. If instead: 1 0 ...if5 Then White has the usual strong move: 1 1 .c5! ic2 1 1 . ..ixc5 loses after 1 2.ltJh4! as now this move is possible since the d2-knight is no longer attacked. 12 . . .ie6 1 3.l'!b l 'lMrxa2 1 4.ixg4 ixg4 1 5 .'lMrxg4 'lMrxd2 1 6.l'!xb7 is hopeless for Black. 1 2. 'IMrc 1 'IMrxc1 There is a nice variation after: 1 2 ... ia3 1 3.cxd6 cxd6 ( l 3 ... 'lMrc3 1 4.ltJb l ! is a neat trick: 1 4 ...ixc 1 1 5.ltJxc3 ib2 1 6.ltJb5 and White wins material) 14. ltJc4 'lMrxc 1 1 5.l'!axc 1 ixc 1 1 6.l'!xc 1 ig6 1 7.ltJxd6t cJif8 1 8.ltJxb7 White will launch a decisive attack

70

The Budapest Gambit

with his minor pieces. 1 3.E!axc1 �g6 1 4.cxd6 cxd6 1 5.tLJc4 d5 1 6.tLJd6t �xd6 1 7.�xd6 Once again White has the bishop pair and a clear positional advantage.

Or 1 l ...dxc5 1 2.tLJxe5 'lWxd2 (or 1 2 ... tLJxe5 1 3.tLJe4 tLJf7 1 4.�c4 is hopeless for Black) 1 3 .�b5 'lWxd l 1 4.E!fxd l �c3 1 5.E!acl �xe5 1 6.�xe5 �f7 1 7.�xc7 and the c5-pawn is falling next.

1 O . . .�d7 1 1 .c5!N Yet again we see the same method. ( l l .a3!?) 1 l . . .�xc5 (or 1 l .. .d5 1 2.�xc7 ixc5 1 3.E!b l 'lWxa2 1 4.E!xb7 and soon Black is going to lose the d5-pawn) 1 2.E!b l 'lWxa2 (Instead 1 2 . . .'lWf6 1 3.h3 tLJge5 1 4.tLJe4 looks horrible for Black. Next White will capture on c5 and the b7-pawn is also falling.) 1 3 .tLJc4 (threatening 1 4.E!a l ) 1 3 ... tLJb4 1 4.tLJd4! With the deadly threat ofE!a l .

12.lbxf3 ixc5 l3.ic4!

This is the second critical moment. Again White has many attractive moves, but the best is a well-known idea by now:

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White has a very strong initiative for the pawn; the following lines show the dangers of Black's position.

l3 ...ifS If 1 3 ...�g4 then 1 4.E!bl 'lWc3 1 5."Wd5 0-0-0 1 6.�a6! is not so difficult, but quite a nice trick. After 1 6 ... bxa6 1 7.'lWxc6 White has a clear advantage.

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1 1 .c5! 1 1 .E!b 1 might be interesting as well, but I am going with this fancy version of the move we have seen many times already. l 1 ...lbxf.H Much worse is I l ...�xc5 1 2.tLJxe5 tLJxe5 (or 1 2 ... dxe5 1 3.tLJc4 'lWc3 1 4.E!cl 'lWb4 1 5.a3 and the queen is trapped) 1 3.E!b I 'lWa3 1 4.�xe5 dxe5 1 5.�b5t c6 1 6.'lWh5t with a decisive attack.

Or 1 3 . . . h6 1 4.tLJd4 �xd4 1 5.E!b l 'lWc3 1 6.E!c1 'lWb2 1 7.'lWh5t �d8 1 8.exd4 and White's initiative looks very dangerous with the black king stuck in the centre.

14.lbh4! 1 4.tLJg5 'lWf6 is less clear, though White keeps definite compensation in this case as well. 14...ie4 The bishop can also retreat, but it would not help: 1 4 ...�d7 1 5.�g5! Preventing Black ftom castling long, as well as taking control of the

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Chapter 6 - Classical Variation f6-square. There is no doubt White has more than sufficient compensation for the pawn; the immediate threat is 1 6.�h5. It is important to note that White can launch a decisive attack after: 1 5 ... ttJe5 1 6.l'l:b l �c3 17.l'l:c 1 �b2 1 8.l'l:c2 �b4 1 9.�h5t g6 20.�h6 Followed by 2 1 .�g7. Instead W. Schiller - P Rosso, e-mail 2005, continued 1 5 ... g6 and now instead of 1 6.l'l:b 1 as in the game, also interesting is 1 6.�d5N Vflg7 1 7.f4!? and Black faces a massive attack.

2 1 .l'l:fdl 2 1 .�xb7 does not work, because Black has 2 1 .. ..ic4 followed by 22 ... l'l:ab8. 2 1 . .. l'l:ab8 22.xd2 This is the most White can achieve in this line. He not only has the two bishops, but also an important tempo to play c4-c5 on the next move, restricting Black's pawn chain on the queenside. 1 2 .. .f6 Or 1 2 ... d6 1 3.c5 ttJg6 1 4.�g3 dxc5 1 5.ixc7 and White has a stable edge with the bishop pair. 1 3.c5 b6 1 4Jhc l Wd8 1 5J!hd l With a clear edge, once again due to the advantage of the twO bishops, Gladyszev Ezsol, Budapest 1 999.

B21 ) 9 . d6 10.0-0 .

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This brings us to two interesting options:

1O ...i.d7 With the idea of meeting 1 1 .ttJb3 with 1 l .. .ia4.

Chapter 6 - Classical Variatio n There is also 1 0 ... 0-0, which should not have independent value, as Black should not vary with: I l .ltlb3 b6?! (here Black should play 1 1 ...ge8, reaching a position examined in the 9... 0-0 1 0.0-0 ge8 line) 1 2.a3 i.cs 1 3.ltlxcS bxcS ( l 3 ... dxcS? loses to 1 4.'1WdS) 1 4.b4! White had the desired play on the queenside in Karpov - Shorr, Linares ( 1 ) 1 992.

1 1 .a3 hdl As pointed out by Epishin, 1 1 .. .i.cS 1 2.ltle4 ic6 1 3.ltlc3 is better for White. 12.'lWxdl f6 1 3.b4

� %'''Z � m . 8 � ��.� � ��.J! 7 ...�. /.� ' r.�.t� ' . . /._.. . .. ..r�. /.�

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13 ... 0-0-0!?N A very interesting idea that was mentioned by Moskalenko in his book There is no doubt this move is more appealing than the options covered below, but I still like White's position. In lvanchuk - Epishin, Terrassa 1 99 1 Black played: 13 ...gd8 In general, White would keep a stable advantage, bur in this particular case he managed to find a tactical solution: 14.ihSt! ltl f7 The two alternatives are both unacceptable: 14 ...g6 I S.i.e2, as the weakening of the kingside should tell in the long term, and

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14 ... ltlg6 I S.cS i.bS 1 6.gfc 1 dxcS 1 7.'1Wa2! when the position opens up in White's favour. I S.cS i.bS I 6.gfd l dS I 7.e4! White obtained a clear advantage. Another of Moskalenko's suggestions is the rather dubious-looking: 1 3 . . . hSN White will play: 1 4.e4! He should not worry about his e4-pawn, and play will continue in the same way as in the 1 3 ... 0-0-0 variation, only with equal m aterial. Here is my brief analysis: 1 4 ... h4 After 1 4 ... gS I S .i.e3 ltlg4 1 6.i.d4! White keeps both bishops with an obvious advantage. I S.f3 White's idea is to neutralize Black's activiry on the kingside (premature would be I S.h3 gS 1 6.i.e3?! g4 when Black is in the game. I S ... h3 1 6.g4 My iron friend does not appreciate this idea, as White seems to be weakening his kingside pawn formation. In fact I can hardly imagine how Black might break through on the kingside, while White's play on the queenside develops quickly and easily Worse is 1 6.g3 gS 17.i.e3 g4 with counterplay. 1 6 ... 0-0-0 1 7.bS And White seizes the initiative on the queenside, while I do not see any real counterplay for Black

14.e4! Although this move is connected with a pawn sacrifice, it is essential for White to keep his dark-squared bishop alive. Obviously Black was threatening to play . . . g7-gS, when White would face a dilemma - either to give up his dark-squared bishop, or to allow Black

74

The Budapest Gambit

counterplay on the kingside after, let's say, ig3 . . . h7-h5, and so on.

14.. �g6 Black has to accept the challenge, as otherwise White will get a free initiative on the queenside. .

15.ie3 'lWxe4 1 6.£3! White has very promising play. The text move is essential, as other options are weaker: 1 6.:gfe 1 ?! 4:lh4 1 7. f3 Wg6 hands the initiative to Black, and 1 6.ixa7 :gheS 17.id3 Wh4 l s.id 4:le5 gives him counterplay. 16...'lWh4 Let's check out another queen move: 1 6 . . .We6 1 7.:gfe1 (strangely enough 17.ixa7 b6 l S.c5 Wb7 1 9.cxb6 cxb6 20.'lWd3 �xa7 2 1 .Wa6t WbS 22.Wxb6t WaS is enough only for a draw, as I failed to find a decisive idea for White) 1 7 ... WbS 1 S.a4 ( l S.b5!?) l S ... :gheS 1 9.if1 (threatening i.xa7) 1 9 ... 4:le5 20.Wf2 White has the initiative. 17.:gfel �b8 1 8.a4 :ghe8 1 9.a5 Once again White seizes the initiative, while I fail to see Black's counterplay. 19 ...ie6 20.b5 �e5 21 .if'2 'lWh6 22.'lWd4 c5 23.bxc6 ttJxc6 24.'lWb2 �a8 25.id3 And White is much better; his attacking ideas include a5-a6 followed by ie4. B22) 9 b6 10.0-0 ixd2 .•.

Black may also decide not to exchange on d2: 1 0 ...i.b7 1 1 .4:lb3 Less convincing for White is: 1 1 .4:lf3 4:lxf3t 1 2.ixf3 ixf3 1 3.Wxf3 0-0 White can still cause a little trouble with: 14.Wb7! ( l 4.:gfd 1 ic5 was Hoffmann - Forintos, Muenster 1 992) However it looks l ike Black holds afrer: 1 4 ... :gfcS 1 5.:gfd l a5 1 6.a3 ic5 1 7.b4

:gabS l S.Wd5 axb4 1 9.axb4 ixb4 20.�xd7 Wxd7 2 1 .:gxd7 id6 (A couple of e-mail games varied at this point with 2 1 .. .:gb7 and in both cases Black drew easily.) 22.ixd6 cxd6 23.:gxd6 :gxc4 24.:gxb6 :gbcS This endgame should be a draw. 1 l . ..a5 Black has an alternative, but no improvement: 1 1 . . . 0-0 1 2.a3 ic5 (Clearly inferior for Black is: 1 2 . . .id6 1 3.4:ld4 [threatening 1 4.4:lf5J 1 3 ... �f6 1 4.4:lb5± Black has to give up his bishop on d6, which will damage his pawn structure, Candela Perez - Gabriel y Galan Acevedo, Villalba 1 995.) 1 3.4:lxc5 bxc5 1 4.b4 Again White manages to open up the queenside. 14 ... :gabS 1 5 .bxc5 �xc5 1 6.Wd4 Wc6 17.f3 With a pleasant edge for White, thanks to his bishop pair, Delgado Martinez, Spain 1 992. 1 2.a3 ic5 1 3 .4:lxc5 bxc5 1 4.b4 It is important to create play on the queens ide. 14 .. .f6 1 5.bxc5 Wxc5 1 6.Wd4 White keeps a pleasant edge, as his dark squared bishop is starting to work, Solozhenkin - Plesec, Paris 1 993.

1 1 .'lWxd2 ib7 One of the benefits of our chosen line appears after Black's alternative move: 1 l . ..d6 The same set-up that worked perfectly for Black after 7.a3 does not achieve irs goal here, because White has not wasted a tempo on a2-a3, so the c4-c5 advance lands one move earlier, which makes a big difference. 1 2 .b4 Even 1 2.ixe5 dxe5 1 3.if3 is slightly better for White. For instance: 1 3 ... :gbS 1 4.ic6t id7 1 5.Wd5 ixc6 1 6.'lWxc6t 'lWd7 1 7.�e4 We6 l S.:gfd a and White will control the d-file after doubling rooks. 1 2 ... 4:lg6 Gleizerov - Trkaljanov, Skopje 1 993,

Chapter 6 - Classical Variation continued: 1 2 ...�b7 1 3.c5 dxc5 1 4.bxc5 0-0 1 5.'lWc3 f6 1 6.�ac 1 White was clearly better in view of his strong bishops and the unpleasant tension Black faces along the c-file. 13.�g3 h5 1 4.c5 Compared to the 7.a3 line, Black's bishop has yet to reach b7, and this factor is vital. 14 ... dxc5 50 far this is Pein - 5vidler, London 1 99 1 . Here White could have played: 1 5.iWd5 �b8 1 6.'lWc6t �d7 After 1 6 ...'lWd7 1 7.'lWxc7 'lWxc7 1 8.�xc7 �b7 19.�d6 Black is lost. 17.iWxc7 �c8 1 8.'lWxa7 h4 1 9.�c7 White keeps his extra pawn.

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1 3 .. .f6 1 4.�ac1 d6 1 5.b4 and White breaks through on the queenside.

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14.�g3! I found this "novelty" and then discovered it has been played in one e-mail game. In my opinion it is a serious improvement over previous over-the-board play. In a few games White has reacted unsuccessfully with 14.'lWxc7 lOxf4 1 5.'lWxf4 0-0 and Black has a defendable position.

12 ..bxc5 13.�a5 tbg6 This is the critical continuation. The other lines are simpler: .

13 ... d6?! 1 4.�xe5 dxe5 (not 1 4 ...'lWxe5? 15.iWb5t winning the bishop) 1 5.�ac 1 and Black ends up with a strategically lost position.

Black would gain counterplay after: 1 4.�xc7 lOh4! 1 5.�fc 1 Retreating the bishop i s not a complete solution either: 1 5.�g3 lOxg2 (clearly worse is 1 5 ... 0-0 1 6.�xh4 'lWxh4 1 7.'lWxc5 �fc8 1 8.'lWb5 when White is simply a pawn up) 1 6.�ac 1 lOh4 1 7.'lWxc5 lOf3t 1 8.�xf3 �xf3 Black's light-squared bishop should give him sufficient counterplay. 1 5 ...'lWe4 1 6.f3 'lWxe3t 1 7.'�f1 0-0 1 8.�xc5 �fe8 1 9 .�e1 d6 With unclear play.

14...d6 Black has no time for 1 4 ... h5? 1 5.'lWxc7 �c6 1 6 .�d6 'lWg5 1 7.e4! and White is winning, as 1 7 ... �xe4 loses to 1 8.�f3 and Black will unavoidably lose material.

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15.b4 cxb4 Instead 1 5 ... 0-0 1 6.bxc5 dxc5 1 7.Ei:fc l leaves White with a clear positional advantage. 16.Ei:acl c6 Worse is 1 6 ...Ei:c8?! 1 7.\Wxa7 �a8 1 8J�fd l 0-0 1 9.�a6 with a decisive advantage for White. 17.\Wxb4 Ei:d8 A clear mistake would be 1 7 ... c5? 1 8.\Wb5t �d7 1 9.�xd6 and White wins.

I believe that, despite his extra pawn, Black is going to suffer for a long time. Also, White has the safety net that it would be easy to regain the pawn (by taking the a6-pawn, for example). I would not be surprised if the reader found a better way to seize the initiative, as I have the feeling that White has many ideas.

B23) 9 ... ixd2t lO.'�·xd2 d6 1 1 .0-0 0-0

1 8.Ei:fdl

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1 8 ... d5 Black has somehow managed to keep his extra pawn; meanwhile White has gained some positional pluses, such as the rwo bishops, clear targets on the queens ide, and the opponent's badly placed pieces. These factors add up to excellent compensation for the pawn. 19.Ei:d4 1 9.Ei:b l �a8 20.�b8 Ei:d7 is less clear. 19 ...0-0 20.\Wxe7 liJxe7 2 1 .Ei:a4 a6 Black can try 2 1 ...4Jc8, but after 22.�e5, with the idea of putting the bishop on d4, the overall evaluation is unchanged.

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According to theory this is the main position of this line, but in my opinion Black should avoid this variation. Indeed, Black has recently played this line less frequently. White has a stable advantage and his play is extremely easy. The c4-c5 break is simple to prepare and can hardly be avoided by Black. This allows White to increase the activity of his dark-squared bishop and to stabilize his advantage.

1 2.b4 The most natural continuation; White is simply better. For those who wish a back-up weapon, the following option is fun: 1 2.\Wd5!? This is an original move. The idea is to provoke Black into playing ... c7-c6, when the d6-pawn will become a clear target, as White can easily put pressure along the d-file.


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12 ...�e6 Obviously this is the critical test for 1 2.Wd5, but let's examine Black's other options all the same: a) 1 2 . . . 1"i:b8? is j ust bad in view of 1 3.c5 and White achieves his goal without having to bother with b2-b4. b) 1 2 ... CLlg6 1 3.�g3 1"i:b8 Black defended against the c4-c5 break and is ready to stabilize his pawn structure with ... b7b6, but now White comes round the other side: 1 4.Wa5! a6 1 5.c5 With an advantage. c) 1 2 ... 1"i:e8 Now the e5-knight is protected, so the c4-c5 break is not dangerous for Black. 1 3.1"i:fd l Nevertheless, White's pressure is extremely annoying as now, for example, White is threatening 1 4.c5 once again, using the weakness of the 8th rank. 13 ... CLlg6 (After 1 3 . . .�e6 14.Wxb7 1"i:ab8 1 5.�xa7 1"i:xb2 1 6.�fl White has a much better version compared with 1 2 ...�e6, as he gets a nice square for his light-squared bishop on fl .) 14.�g3 1"i:b8 And once again White has the same trick: 1 5 .Wa5! 1"i:a8 1 6.c5 dxc5 1 7.Wxc7 Wxc7 1 8.�xc7 With a very pleasant endgame due to the two bishops, Cosma - Kaposztas, Hungary 1 996. d) If Black simply plays 12 . . . c6 then after 13.�d2 f6 1 4.e4 White has a pleasant position, though Black is pretty solid. 13.�xb7 1"i:ab8

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After 1 3 . . .�xc4 1 4.�xc4 CLlxc4 1 5 .1"i:ael 1"i:fb8 1 6.Wc6 CLlxb2 (worse is 1 6 . . . CLle5 1 7.�xe5 Wxe5 1 8.b3 and Black is suffering with all his weaknesses on the queenside) 1 7.Wxc7 Wxc7 1 8.1"i:xc7 Black faces an unpleasant endgame. The best he can hope for is the nasty side of a "4 versus 3" endgame. 1 4.Wxa7 1"i:xb2 1 5.1"i:fe 1 CLlxc4 Instead 1 5 . . .�xc4 1 6.�xc4 CLlxc4 1 7.1"i:ael d5 1 8.e4 does not bring Black relief either, as he is going to lose one of his pawns (c7 or d5). Or 1 5 ... 1"i:fb8 1 6.c5 Wd8 1 7.cxd6 cxd6 1 8.a3! and White keeps his extra pawn. 1 6.1"i:ael White again wins a pawn, Gutow Tsarukian, St Petersburg 2000.

1 2 .. J3d8 Black has a few options we should quickly scan: 1 2 ... 1"i:e8 1 3.1"i:fd l CLlg6?! It was better to keep the knight on e5. 14.�g3 a5? 1 5.c5!± In Stohl - Manolov, Elenite 1 992, White had a clear advantage, as his dark-squared bishop is springing to life. 1 2 ... �e6 1 3.Wc3 f6 This is A. Smirnov Miezis, Tallinn 2005, and here White should have continued according to his plan: 1 4.c5 dxc5 1 5.bxc5 �f7 1 6.a4 With a pleasant risk free advantage. 1 2 ... b6 1 3.c5 �b7 1 4.cxd6 cxd6 1 5.a4 Black is suffering due to his weak d-pawn.

13.Wc3 f6 14. 1"i:fd1 if5 1 5.1"i:d2 ig6 16J3adl White's chances are clearly preferable, as Black's passive position lacks any real counterplay, Bluvshtein - Miezis, Calvia (01) 2004.

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The Budapest Gambit with the 1 0 ...ixd2 line, it is always useful for White to provoke ... c7-c6, which weakens the d6-pawn. 1 2 ... c6 1 3.\Wd4 a5 After l 3 ...if5 1 4.a3 ic5 White can try 1 5.\Wc3!? (certainly 1 5.lLlxc5 dxc5 1 6.\Wc3 is also possible) 1 5 ...ib6 1 6.1"!fd l and White is slightly better due to the weakness of d6. 1 4.a3 ic5 1 5.lLlxc5 dxc5 1 6.\Wc3 We have the same position as after 1 1 .a3, with one small difference - Black has weakened the d6-square (after I l .a3 Black's pawn stands on c7), which clearly favours White, as he gains an additional square for his rooks to enter. Also, now White can easily improve his pawn structure with f3-e4, as Black no longer has the ... lLlc6-d4 manoeuvre.

B24) 9 . 0-0 1 0.0-0 .

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1 0 .. .):!e8 This is an important line. Now I can offer a choice between two different positions: a) 1 1 .lLlb3 This is worth a look because it is based on a different strategy from most of the lines we have looked at in this chapter. 1 l .. .d6

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Here White has several options:

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a l ) 1 2.\Wd5!?N This new move seems interesting. By analogy

a2) Another option is: 1 2.\Wc2 a5 ( l 2 ...id7?! 1 3.a3 ic5 1 4.lLlxc5 dxc5 1 5 .b4 and opening the play on the queenside is clearly in White's favour) 1 3.1"!ad l (White can definitely play 1 3.a3 ic5 1 4.lLlxc5 dxc5 getting the type of position we will examine after 1 2.a3) 1 3 ...a4 1 4.lLld4 a3 1 5.b3 id7 Black has reasonable play as his dark-squared bishop is well-placed on b4, restricting White's play. a3) 1 2.a3 ic5 1 3.lLlxc5 dxc5 14.\Wb3 I believe this move is stronger than the alternatives: 1 4 .\Wd5 lLlg6 1 5.\wf3 (We can see Black's idea in the following line: 1 5.ig3 1"!d8 1 6.\Wf3 1"!d2 with counterplay.) 1 5 ...a5 1 6.1"!ad l ttJxf4 And here a draw was agreed in Riazantsev - Korchnoi, Chelyabinsk 2007. White does not achieve anything with 1 4.b4?! cxb4 1 5.axb4 \Wxb4 1 6.ixe5 1"!xe5 1 7.\Wd8t \Wf8 1 8 .\Wxc7 1"!c5 and Black is not worse. 1 4 ... b6 1 4 ... a5 is answered with 1 5 .a4! fixing the pawn structure on the queenside to White's advantage.

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Chapter 6 - Classical Variation 1 5.%Vc3 ib7 1 6.�ad l f6 The arising position resembles the Berlin variation. White has an extra pawn on the kingside, but Black is extremely solid with his strong knight on e5. b) I l .a3

The most natural continuation. 1 l ...ixd2 1 2.Wlxd2 The inclusion of the moves ... �e8 and a2a3 does not change the evaluation compared to the 9 ... ixd2t line. White is always better with his pair of bishops. Here is a typical example of how the play might go on: 12 ... d6 1 3.b4 if5 1 4.�fd l 14.�ac 1 i s also possible. 14 ...�ad8 1 5.Wlc3 f6

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This position is from Nyback - Summerscale, West Bromwich 2004. Black has managed to temporarily defend against the c4-c5 advance, as he would meet it with ... d6-d5. Accordingly, White should not rush with c4c5 (as happened in the game). He j ust needs to gradually improve his position first by doubling rooks on the d-file: 16.�d2 Then he can make some more useful moves like ig3, h2-h3, a3-a4 (also, sometimes it might be possible to play f2-f3 and e3-e4) and finally, at an appropriate moment, push c4-c5. On the other hand, Black lacks any activity and just needs to wait passively.

Quite a popular option for Black is: 1 0 . . . lLlg6 1 1 .ig3 id6 1 2.ixd6 Wlxd6 Despite the exchange of bishops, White still keeps a pleasant edge, thanks to his space advantage. 1 3.lLle4

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White is improving the position of his knight, as it was passively placed on d2. White's main alternative would be 1 3.Wlc2, but I prefer the text. 1 3 . . . Wle5 a) A possible retreat is 1 3 . . .Wle7 1 4.lLlc3 d6 when we reach a typical position for this variation. White has tried many different moves here, but I prefer the energetic play of German Grandmaster Jan Gustafsson: 1 5.lLld5!? Wld8 1 6.Wld4 As we have noticed already, it is always useful for White to provoke ... c7-c6, which makes the d6-pawn a clear target. 1 6 ... c6 Sooner or later, Black has to play this move, as he cannot suffer White's knight in the centre indefinitely. 1 7.lLlc3 Wle7 1 8.�ad l �d8 1 9.f4! Now Black has to reckon with the idea off4-f5-f6, opening up his king. 19 .. .f5 Black decides to prevent White's potential threat, but now White switches to preparing e3-e4. 20.g3 (20.�fe l was a worthy alternative) 20 ... lLlh8 This is Gustafsson - Lamprecht, Hamburg 1 997, and now White should have continued energetically: 2 1 .e4 lLlf7 22.ih5 g6 23.if3 �e8 24.�fe l White is dominating.

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b) No one has gone for the endgame after 1 3 . . . �xd l 1 4J!fxdl d6 for a rather obvious reason - White has a stable and risk-free advantage. He can select one of two plans: 1 5.c5 dxc5 1 6.tt'lxc5 c6 1 7.:!! ac l with pressure, or 1 5.tt'lc3 .ie6 1 6.:!! a cl not changing the pawn structure. 1 4.tt'lc3 The best square for the knight. Later Black will face a dilemma: either be ready to deal with possible knight jumps to b5 and d5, attacking Black's pawns, or play . . . c7c6 covering both squares, but getting a permanent weakness on d6. 1 4 . . . d6 14 ... b6 can be met by 1 5.�d5 �xd5 1 6.tt'lxd5 c6 1 7.tt'lc3 and Black's d-pawn becomes a real target. 1 5.�d2 .id7 Black can try to sacrifice a pawn for the initiative with: 1 5 . . .�a6 1 6.�xe5! I think this is the best way (if White accepts the sacrifice with 1 6.�xd7 then Black gets some counterplay: 1 6 ... :!! adS 1 7.�a4 .ib7 1 S.:!!fd 1 tt'lh4 1 9.:!! xdS :!!xdS 20.:!! d l :!! fS! 2 1 .e4 f5) 1 6 ... tt'lxe5 And here 1 7.f4!N was extremely strong (in Stohl - Blatny, Prague 1 996, White opted for 1 7.tt'ld5). 1 7 ... tt'lxc4 (Otherwise l S.tt'ld5 comes with great effect, for example: 1 7 . . . tt'lc6 l S.tt'ld5 :!! acS 1 9.b4! Black cannot avoid losing material.) l S.:!! fc l b5 1 9.tt'ld5 �b7 20 ..ixc4! This is an improvement over Stohl's annotations in ChessBase (he analyses only 20.tt'lxc7). 20 ... bxc4 2 1 .tt'le7t 'it>hS 22.:!! xc4 Black will lose a pawn: 22 ... c6 (or 22 ... :!! feS 23.:!!xc7 .ixg2 24.:!!xd7 .ih3 25.f5 with a winning position) 23.:!! d 1 d5 24.:!! c2 :!! feS 25.tt'lxc6 :!! xe3 26.:!!xd5 .ixc6 27.:!!xc6 :!! e2 2S.:!! d c5 g6 29.:!!c2 :!! aeS 30.�fI This endgame should be winning for White. 1 6.:!! acl :!! feS?! This is Shipov - Ang. Tzermiadianos, Athens 1 997, and here White missed a great chance:.

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1 7.tt'ld5 :!! ecS Black cannot defend with 17 . . . :!! a cS? as after 1 S.f4 he loses a piece. l S.f4 �eS 1 9. f5 1 9.e4!? is also promising. 1 9 ... tt'le7 20.f6 tt'lxd5 2 1 .cxd5 White has an attack.

1 1 .a3 The alternative would be 1 1 .tt'lb3, but after: 1 l ...a4 1 2.a3 ( l 2.tt'ld4 d6 would lead to a complicated game) 1 2 ....id6 (Or 1 2 ....ic3!? 1 3.bxc3 axb3 14.�xb3 d6 is also quite interesting, as Black has definite compensation for the pawn, in view of White's damaged pawn structure on the queenside.) 1 3.tt'ld2 f5 The play is rather unclear. 1 1 ...i.xd2 Black can also try to keep his bishop: 1 l .. ..ic5

Chapter 6 - Classical Variation But in this case White has a powerful idea: 12.b4! axb4 I 3.axb4 �xa 1 14.lMrxa1 ttJg6 Much worse is 1 4 ...ixb4 1 5.ixe5 ixd2 16.ixg7 and Black will not survive with such a weak king. 1 5.ixc7 ixe3 Or I 5 ...ixb4 1 6.ia5 and White keeps a stable edge, as Black will suffer for the rest of the game, defending his weak pawns on b7 and d7. 16.fxe3 lMrxe3t 1 7.�f2 'lWxd2 1 8.lMrd l White has more than sufficient compensation for the pawn, as Black's light-squared bishop is out of the game. Certainly Black can give up his extra pawn, but then it will be quite easy for White to create a passed pawn on the queenside. The game Leitao - Dyce, Szeged 1 994, continued: 18 ...'lWxd 1 t 1 9.ixd I �e8 20.c5 �e l t 2 1 .�fl �xfl t 22. <j;Jxfl This endgame is very difficult for Black.

12.'lWxd2 d6 It makes no sense to play 1 2 ... a4?! as White easily achieves c4-c5, obtaining a clear edge. I3.c5 (or I 3 .1Mrc3 d6 I 4.c5!) And now Black cannot play I 3 . . .lMrxc5?! I 4.�ac l , as he is losing the c7-pawn. 13.b4 �e8 The game Malaniuk - Marjanovic, Yugoslavia 1993, instead continued: 1 3 .. .f6 I 4.bxa5! <j;Jh8 (l4 ... lLlc6? runs into I 5.a6! �xa6 I 6.c5 with a winning position) I 5.�fb I White was pressing on the queens ide. 14.�fc1 As always, White is better, as Black can do nothing against the coming c4-c5, Vitiugov Lanin, St Petersburg 2006. B25) 9 .. a5! 1 0.0-0 .

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O r 1 O.a3 ixd2t 1 1 .1Mrxd2 d6 (only not 1 1 ...a4? 1 2.c5 with an advantage) 1 2.0-0 ( 1 2.b3 looks a bit slow, but might be an interesting option) I 2 ... a4 transposes to the 1 1 .a3 line below, which we wish to avoid.

10 ... d6

�.)� �� . i: 78 J m ' � � � , �_... /,.' /,� ��. . _ 6 ., 5 .lII � r ,.lII '" � � · . . / 4 ..· . /,m·� � lII� � lS � "'..�� / .�;�� ...7�� 3 �� .%��;��./J.�� W.�%� W� lS �� lS � 1 gf. %.iV.im· . · a b c d ..

....

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1 1 .lL\bl! This seems to be the only move that promises White better chances. Strangely enough, the text has occurred only once in tournament practice. White has several alternatives, but none of them gives White anything special. I I .a3 ixd2 Not 1 1 ...ic5?! 1 2.ttJe4! when White has the initiative, Epishin - Thielemann, Kiel 2004. 1 2.lMrxd2 a4! This is the point; Black fixes White's pawn chain, restricting his options on the queenside. Now the 1 3.c5 advance would not be so clear, and instead I 3.lMrd5 would be met by I 3 ... ttJd7! followed by . . . ttJc5. I 3 ... dxc5 I 4.lMrd5 Or I 4.�ac l 0-0 I 5.lMrd5 ttJg6 1 6.ig5 (or 1 6.ig3 �a5) 1 6 ...lMre6 I 7.�xc5 lMrxd5 I 8.�xd5 f6 with equality. 1 4 ... ttJg6 I 5 .ig3

The Budapest Gambit

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1 5 .ib5t <j;>f8 is not dangerous for Black. 1 5 ... 0-0 1 6J!ac 1 !'l:a5 White's compensation was only enough for a draw in Van Wely - Bosman, Netherlands 1 989. I also looked at the new 1 1 .tLle4, with the idea of playing a2-a3 next, but Black is in time to create counterplay: 1 1 ...tLlg6 1 2.if3 f5! (but not 1 2 ... tLlxf4?! 1 3.exf4 0-0 1 4.a3 ic5 1 5.!'l:e 1 ib6 1 6.tLlc3 when White has pressure) 1 3 .tLlc3 (after 1 3.ig5 Wif7 1 4.tLlc3 ixc3 1 5 .bxc3 0-0 White may soon be worse due to his weaknesses on the queenside) 1 3 ...ixc3 1 4.bxc3 0-0 And Black is fine. White's most popular move is: 1 1 .tLlb3 Then Black has an interesting option: 1 l .. .a4 1 2.a3 ic3!? Instead 12 ...ia5 1 3.tLld4 (or 1 3.tLlxa5 !'l:xa5 1 4.e4 0-0 1 5.id2 !'l:a8 1 6.ic3 tLlc6 is pretty solid for Black) 1 3 ... ib6 1 4.tLlb5! looks quite interesting for White. 1 3.bxc3 White is not better after 1 3 .Wic2 ixb2 1 4.Wixb2 axb3 1 5.c5 ie6, M. Rodshtein Avila Jimenez, Andorra 2007. 1 3 ... axb3 1 4.Wixb3 0-0 1 5.ixe5 Otherwise Black can transfer his knight to c5 with fine compensation, for example 1 5 .!'l:fd 1 tLld7. 1 5 ...Wixe5 1 6.!'l:fd 1 b6 17.if3 !'l:a7 1 8.!'l:d5 Wif6 I do not believe White can break through.

1 1 .. 0-0 Quite possible is 1 1 .. .a4, but this pawn might become a target in the long term. 1 2.a3 ic5 1 3.tLlc3 id7 1 4.tLld5 Wid8 1 5.Wic2 0-0 1 6.!'l:ad 1 (there is no advantage after 1 6.ixe5 dxe5 1 7.!'l:ad 1 f5 [ 1 7 ... !'l:a6!?l 1 8.!'l:d2 !'l:a6 1 9.!'l:fd l !'l:d6 20.Wic3 !'l:e8) 1 6 ... !'l:e8 1 7.h3 .

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believe White is slightly better in this position, as Black is facing a typical dilemma in this structure - What to do about the d5knight, which obviously restricts his pieces? If . .. c7-c6, then the d6-pawn is weakened, but the manoeuvre ... id7-c6xd5 would not bring relief either, as White would recapture with the rook and continue his pressure along the d-file. Meanwhile White can gradually improve his position, preparing the advance of the e- and f-pawns.

1 2.a3 ic5 13.tLlc3 ie6 The most natural move. The alternative would be: 1 3 ... c6 14.Wic2 tLlg6 After 1 4 .. .f6 1 5.!'l:fd 1 ie6 1 6.tLla4 ia7 1 7.!'l:d2, although Black's position is pretty stable, White's chances are preferable, in view of his pressure against the d6-pawn. Certainly Black can try 1 7 ... d5, but after I 8.cxd5 ixd5 1 9.!'l:ad 1 Wif7 20.tLlc5 ixc5 21 .Wixc5 the two bishops give White the advantage. 1 5.ig3 f5 This is a generally desirable plan to activate the dark-squared bishop with the . . .f5-f4 advance. 1 6.tLla4 f4 If 1 6 ...ia7 then 1 7.Wid2! attacks both the a5- and d6-pawns. 1 7.exf4 tLlxf4 1 8.ixf4 !'l:xf4 1 9.tLlxc5 dxc5 20.id3 g6


83

Instead 1 7 .. .f4?! does not work: 1 8.exf4 tOxf4 1 9 ..tf3 c6 20.�fe 1 ! and Black's position collapses.

8 7 6

1 8..te c6 1 9.�fdl

5 4 3 2

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21 .�ae 1 White has a pleasant edge, as he has a clear plan of converting his extra pawn on the kingside.

14.h3 Premature would be 1 4.tOd5 i.xd5 1 5 .'lWxd5 (or 1 5.cxd5 f5! when Black is not worse) 15 ... c6 1 6.'lWd2 a4! and Black had reasonable play in Shipov - Galanov, Russia 1 992. 14...�g6 lS ..tg3 f5 This position was reached in Van den Bersselaar - Pelter, Netherlands 1 996. 16.'lWd2 This is a critical position for the 9 ... a5 line. Certainly the previous play was not all forced, but it seems to me this type of position should appear anyway. In general White's chances look preferable, as he has clear ideas of how to improve his position. He will play tOa4 (maybe even after the preparatory �fd 1 ) and then, depending on Black's reply, continue with b3b4, or play i.f3 keeping up the pressure on the queenside. In the game mentioned above, White continued with 1 6 ..tf3, but I do not like this as Black can win a tempo by attacking the bishop with . . . tOe5. It is also important to realize that Black has no time to prepare the .. .f5-f4 advance: 16 ...Wf7 17.�a4 .ta7

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White has definite pressure against the d6pawn.

C) 4...ics

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This is Black's most popular continuation.

S.e3 lLlc6 6.�c3 0-0 The following move order is dubious, according to some theorists, since it allows White an additional option:

84


6 ... lUgxe5 7.lUxe5 lUxe5 8.f4 8.ie2 leads to the same position as in the main line, which is well worth considering. To be honest, I am not that excited about this f4-opportunity and I believe Black's position is quite reasonable in what follows. 8 ... lUg6 Black is indeed worse in the event of: 8 . . . lUc6 9.id3 d6 1 0.0-0 0-0 l 1 .a3 a5 (Other options are no better: 1 1 ...f5 1 2.b4 ib6 1 3 .lUd5 ie6 1 4.1:%f3 and White easily develops an initiative with ib2 and :1%g3. 1 l . ..:1%e8 1 2.Wc2 h6 1 3.:1%f3 and White has good attacking prospects.) 1 2.id2 Followed by Wf3 and :1%ae 1 . 9.id3 0-0 1 0.0-0 d6!N The negative view of 6 ...lUgxe5 is based on only one game! Clearly inferior is 1 0 ... f5 1 1 .Wc2 d6 I 2.lUa4! lUe7 1 3.id2 lUc6 I4.a3 a5 I 5 .lUxc5 dxc5 I 6.ic3 and White launched a decisive attack with the help of his strong dark-squared bishop Il1 Komljenovic - L.v. Martin, Spain 1 997. 1 1 .id2 id7 Not 1 1 ...f5?! 1 2.'it>h 1 ie6 1 3.:1%f3, followed by :1%h3 and Wh5, with the initiative. 1 2.'it>h l Or 1 2.Wc2 f5 with unclear play. 1 2 ... :1%e8 1 3.e4 c6 Black has counterplay.

7.ie2 7.Wd5 is well met by 7 ...We7. 7... ttJgxeS S.lUxeS Instead 8.0-0 unnecessarily gives Black an extra option: 8 ... lUxf3t 9.ixf3 id6!? With the idea of placing the bishop on e5. The game I. Farago - Felegyhazi, Balatonlelle 2006, continued 1 0.b3 ie5 I l .ib2 d6 1 2.Wd2 ie6 1 3.:1%ad l with a complex game where White's chances are slightly preferable. S ... ttJxeS 9.0-0

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This is the initial position of our variation. In my opinion the whole line promises White slightly better chances, due to his control of the centre. Black has a choice between CI) 9 . d6, e2) 9 ... aS and C3) 9 . :1%eS. ..

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Cl) 9 ...d6 1O.b3 1 0.lUa4 ib6 is not clear.

1O .. .'�·h4 A typical active move for this l ine, but White has nothing to worry about from Black's so called threats. Black has tried many moves here, so I have selected the ones that I believe are the most important: a) 1 0 ...if5 I l .ib2 a6 1 2.Wd2 (The text move is more convincing than the alternatives: 1 2.lUa4 :1%e8 1 3.lUxc5 dxc5 is not much for White. 1 2.a3 is possible, but it is too slow in my opinion.) 1 2 ... :1%e8 1 3.:1%ad 1 ia7 14.tt:ld5 White has reached his goal, while Black's play has failed to even get started. b) 1 0 .. .f5 This lunge does not achieve its aim and only creates weaknesses in Black's camp: 1 1 .lUa4 ib6 1 2.ib2 ( l 2.Wd5t may be even

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Chapter 6 - Classical Variation stronger: 1 2 ... ttJ f7 [ 1 2 ... �h8?! 1 3.c5! with a clear advantage] 1 3.ttJxb6 axb6 14.i.b2 With a stable advantage, as Black will experience serious problems along the a l -h8 diagonal.) 12 .. :�We7 1 3:�d2 �h8 1 4.b4 i.d7 1 5.ttJxb6 axb6 1 6.c5! White has fine play. 1 6 ... bxc5 17.bxc5 i.c6 1 8.cxd6 cxd6 This is Woller Kemna, Germany 1 985, and here 1 9.f3 would have secured White's advantage.

1 1 .i.b2 It is too early for: 1 1 .ttJd5 c6 1 2.b4 cxd5! (the text is more accurate than 12 ...i.b6 1 3.g3 1Wd8 1 4.ttJxb6 axb6 1 5.f4 ttJg6 1 6.i.b2t) 13.bxc5 ttJxc4 (Black fails to equalize after 13 ... dxc4 1 4.cxd6 i.f5 1 5.'lWd5 'lWe4 1 6.gd l t) 14.cxd6 i.e6= After 1 1 .i.b2 I examined two possibilities for Black; in both of them White keeps a small but stable plus.

1 1... tlJg4 The other line runs: 1 1 ... i.d7 1 2.ttJd5 c6 (l2 .. .ltJg4? does not work in view of 1 3.h3 and Black loses material) 13.g3 'lWh3 1 4.ttJf4 This is not such a bad square for White's knight, as ftom here it restricts Black's activity on the kingside. 1 4 ....&f5 1 5:�Vd2 a5 1 6.a3 White is threatening the unpleasant 1 7.b4. fu always, after . . . c7-c6 White has a clear target - the d6-pawn.

1 2.h3!N So far White has tried only 1 2.i.xg4. For example: 1 2 ...i.xg4 1 3.'lWd2 gae8 with mutual chances, A. Williams - Barbero, Buenos Aires (ol) 1 978. 1 2. tlJf6 Probably White was afraid of 12 ... ttJxf2? but it does not work: 1 3.gxf2 i.xe3 1 4.'lWe l i.xh3 Otherwise there is no point to Black's previous play. 1 5 .tlJd5 ( l 5.i.f3!?) 1 5 ...i.c5 1 6.b4 i.xf2t 1 7.'lWxf2 'lWxf2t 1 8.�xf2 i.e6 1 9.ttJxc7 gac8 20.ttJxe6 EXe6t 2 1 .�e3 With a clear advantage, as White's two bishops are obviously stronger than Black's rook and pawn. ..

13.if3 ge8 13 ...'lWg5 is powerfully met by 1 4.ttJb5! i.b6 1 5.a4 a5 1 6.i.d4 with positional pressure.

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14.l2Jb5 White has to watch out for tricks, such as: 1 4.'lWd2 i.xh3! 1 5.gxh3 gxe3!! 1 6.EXe3 (not 1 6.i.g2?! gxh3, which is dangerous for White) 16 ...i.xe3t 17.'lWxe3 'lWg3t 1 8.';ilh 1 'lWxh3t With a perpetual check. White does not have i.g2, as his queen would be hanging. 1 4 .. ge7 After 1 4 . . .i.b6 1 5 .i.d4! Black cannot defend the c7-pawn with 1 5 ... ge7 because of 1 6.c5! .

86

The Budapest Gambit

ixc5 1 7.ixc5 dxc5 1 8.�d8t :ge8 1 9.�xc7 with a winning position.

ls.id4 White is slightly better, due to his space advantage and very strong light-squared bishop. C2) 9 . . aS 10.b3 d6 .

After l O . . .:ga6 White has a very strong option: a

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Finally all the white pieces are mobilized, and next White will j ump his knight into d5. In general, we can see that White's play is quite easy, while Black is failing to create counterplay.

C3) 9 .. :ge8 .

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1 I .f4! lLlg6 1 2.�h l :ge8 1 3.e4 (It is already obvious that 1 0 . . .:ga6 has failed.) 1 3 ... b6 (if I 3 ...,ib4 then 1 4.lLld5 :gxe4 1 5.f5! lLle7 1 6.�d3 wins an exchange) And now very strong is 1 4.f5 (rather than 14.,id3 as in Quinteros - Szmetan, Rio Hondo 1 987) 14 ... lLle5 1 5.f6 creating serious threats against the black king.

1 1 .ib2 :ge8 1 2.�c2 The best square for White's queen is c2. Less clear is 1 2.lLla4 b6 1 3.lLlxc5 bxc5 1 4.f4 lLld7 1 5.,if3 :gb8°o as in Osnos - Yermolinsky, Leningrad 1 977, because this kind of pawn structure offers Black reasonable counterplay. Also not so convincing is 1 2.�d2 if5. 12 ...id7 Instead 1 2 ... �h4 is useless after 1 3.lLld5 :ge6 1 4.g3 �d8 1 5.:gfd l ±. 1 3.:gadl

This is definitely the main continuation. Now White has a wild array of possibilities: 1 0.f4, 1 0.a3, 1 0.lLle4 and even the mysterious 1 0.'it>hl has been tried, but I strongly recommend a natural move:

lO.b3 I think this is the most logical move. White's play is quite simple - he logically mobilizes his pieces with ,ib2, �c2, :gad 1 , fighting for the central squares. On every move Black must be ready for the white knight to jump to d5, e4 or even a4. lO ... aS Black's most popular reply; the main idea is to play ...:ga6 and transfer the rook to the kingside (g6 or h6) creating threats against White's king. Sometimes the rook might also be useful on eG. In general I have noticed that Budapest aficionados do not like long positional struggles; usually they try to generate some kind of activiry as soon as possible.

Chapter 6 - Classical Variation Another common line starts: 10 ...d6 1 1 .�b2

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This is an important moment; Black has tried several options here: Black can try the same idea as the main line, except with the "wrong" rook: a) 1 l ...:1!e6 1 2.g3!? This interesting move has been played by strong players such as Gheorghiu and Vyzmanavin. It may look like it unnecessarily weakens the light squares near his king, but White takes control of the h4-square, preventing Black's queen j ump, so Black has no time to create a real attack. Instead 1 2.4Je4 b6 1 3 .4Jxc5 bxc5 1 4.f4 liJd7 is quite double-edged, but 1 2.4Jd5 c6 13.liJf4 is worth considering. For all that, I suggest 1 2.g3 is the way to go. 12 ... a5 12 ... :1!h6 1 3 .4Je4 ( l 3.4Ja4 �d7) 1 3 ... �d7 14.h4 gives the same evaluation as after 12 ...�d7, which we might as well look at now as well. 12 ...�d7 1 3.4Ja4! (the text move is stronger than 1 3.�d5 :1!h6 1 4.:1!fd 1 , with the idea of meeting 1 4 ...�h3 with 1 5 .�g2, as in Gheorghiu - Terreaux, Mendrisio 1 985) 13 ...:1!h6 1 4.h4 Taking the sting out of ...�h3; now Black's attack goes nowhere, since his pieces are hanging in the centre. For example, Sandkaulen - R. Markus, corr.

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1 990, continued 1 4 ...�b6 and now 1 5.c5N �b6 1 6.:1!cl would have been much better for White. 1 3.�c2 Not 1 3.cj;>h I ?! b6 1 4.e4 :1!g6 and Black's attack was on the way in Vyzmanavin Kotronias, Moscow 1 987. 1 3 ... :1!h6 Another idea for Black is 1 3 ...�d7, transferring his bishop to c6. 1 4.:1!ad 1 �c6 (once again 1 4 ... :1!h6?! does not work in view of 1 5 .4Je4 and two of Black's minor pieces are hanging in the centre) 1 5.4Jd5 Now 1 5 ... :1!h6 is still a failure: 1 6.�xe5 dxe5 1 7.4Jb6! And Black loses material. 1 4.:g[d 1 Following the usual central strategy. 1 4 ...�g4 1 4 ...�d7 1 5.�e4! One of the key defensive resources (instead 1 5.h4 allows Black to gain counter chances after 1 5 ...�h3 1 6.4Jd5 4Jg4 1 7.�xg4 �xg4). 1 5 ... �h3 1 6.�g2 �xg2t 1 7.cj;>xg2 �h3t 1 8.ct?gl And it is not so clear what Black's rook is doing on h6. 1 5 .�xg4 4Jxg4

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1 6.�f5! 4Jxh2 After 1 6 ...�c8 1 7.�xc8t :1!xc8 1 8.4Jd5 f8 1 9.h4 White is clearly better, as Black's rook is misplaced on h6. 1 7.cj;>g2 White is threatening 1 8.:1!h l , so the next series of moves is more or less forced:


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17 ... l'%f6 1 8.'We4 l'%e6 1 9.'Wxb7 4Jg4 20.4Jd5 l'%a7 2 1 .'Wc6 White is better, because of Black's weak pawns on the queenside. b) 1 l ....td7 1 2.'Wc2 Also interesting is 1 2.4Jd5!? c6 (or 1 2 ....tc6 1 3.b4 .txd5 1 4.cxd5 .tb6 1 5.a4 a5 1 6.bxa5 .txa5 1 7.'Wb3 and White has an initiative on the queenside) 1 3.4Jf4. 1 2 ....tc6 1 3.l'%ad l White gradually improves his position. 1 3 ... 4Jg6?! 1 4.4Jd5 4Jh4

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on the 1 1 th move by playing 1 1 . .tb2 instead of 1 1 .4Ja4!. During the game I was really surprised to discover that Black had interesting resources, and it was only later, when I checked my preparation, that I realized what had gone wrong! The game Avrukh - Skytte, Helsingor 2009, continued 1 l .. .l'%a6 1 2.4Je4 .ta7 13.c5 l'%h6 1 4.g3. I eventually won a nice positional game, but this was hardly connected with the opening, since here Black missed 14 ... b6! followed by ....tb7, which would have given him really good play.

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1 5.g3! Refuting Black's idea. Much worse is 1 5 ..td3?! 'Wg5 1 6 ..txh7t? (better is 1 6.g3) 1 6 ... �h8 17 ..te4 l'%xe4! 1 8.'Wxe4 l'%e8 and White was lost in Roeschlau - Fohler, Mengen 1 990. 1 5 ... 'Wg5 1 6.b4 .tb6 1 7.a4 With a large advantage.

Clearly dubious is 1 1 . ..'We7?! 1 2.4Jxc5 'Wxc5 1 3.'Wd5!? and Black has no compensation for White's bishop pair, Gruenenwald - Goda, Switzerland 1 993. 1 3 . .tb2!? also looks good.

1 1 .4Ja4! This is a very important moment. At this point we actually deviate from the main theory line and make a very concrete move - now Black has no time for ... l'%a6. Instead there is a lot of theory after 1 1 ..tb2 l'%a6 1 2.4Je4 (or 1 2. 4Ja4). The funny thing is that after I had completed my initial analysis of this line I played in the 2009 Politiken Cup and managed to go astray

1 1 .. . .ta7 1 2.c5! As always, this move works perfectly for White. 1 2 ... d5 1 3.cxd6 c6 (probably best is 1 3 ... cxd6, though White has a clear posi tional advantage after 1 4 ..tb2) 1 4.�b2 b5 (Black could regain the pawn with 1 4 ... l'%e6, but after 1 5.'Wc2 'Wxd6 1 6.l'%fd l 'fie? 1 7.l'%acl White is much better, as Black's pieces lack coordination) 1 5.4Jc3 Black did not get any compensation for the pawn in Skembris Mukic, Estensi 200 1 .

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Chapter 6 - Classical Variation l l ...d6N 1 2.ltJxc5 dxc5 And now White has a pleasant choice: 1 3.Wixd8 (or 1 3.Wic2 id7 14.ib2 ic6 1 5.Wif5 and, though Black is pretty solid, the bishop pair should give White the advantage in the long term) 13 .. J'hd8 1 4.ib2 with a good endgame. For example, 14 ... ltJd3 1 5.l'Hd 1 if5 16.ic3.

1 3.id3 d6 1 4.ib2 ie7, followed by ...if6 with double-edged play.

1 2 ltJg6 The other knight retreat is also possible: 1 2 ... ltJc6 Now 1 3.if3 leads to two interesting possibilities - one rather optimistic and unnatural, the other to a game where White has a clear improvement: ...

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12.f4! The point of White's previous move; the black knight is ejected from the centre White gains a lot of space for his pieces, especially for the bishops. One is coming to b2, while the other has a nice square on f3. White's other options do not look so clear, bur it may be useful to see why they do not work: 12.c5 d5 1 3 .ib2 0 3.cxd6 ixd6 1 4 .ib2 if5 is okay for Black) 1 3 ... id7 This is playable for Black. 1 4.ltJc3 (or 14.Wixd5 ixa4 1 5.E1fd l �xd5 1 6.E1xd5 ltJg6 1 7.bxa4 ltJf4 and Black seems to hold) In Tukmakov - Forintos, Metz 1 99 1 , B lack played 1 5 ... c6, but even the primitive 1 4 ...ixc5 1 5.Wixd5 Wie7 was possible, with good play for Black. 12.e4 is a possible plan, but I prefer to avoid this, since Black will always have counterplay against the e-pawn. For example, 1 2 . . . ltJc6

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Moskalenko recommended: 1 3 ... E1a6 Here I recommend a prophylactic move: 1 4.a3!? Preventing Black's idea of ... ltJb4 followed by ... E1d6, activating the rook. Certainly White could also continue: 1 4.e4 ltJb4 1 5.Wie2 d5 (or 1 5 ... E1ae6 1 6.ie3 is clearly better for White) 1 6.cxd5 ltJxd5 1 7.e5 ( 1 7 .E1d I ? would be a serious mistake, as Black has 1 7 ...Wif6 1 8.e5 ltJxf4! 19.Wie3 ltJh3t! 20. gxh3 E1xe5 winning) 17 ... c6 1 8.E1d l With the better prospects for White. 1 4 . . . d6 Maybe not what Black wants to play, but what else can he do? 1 5.Wid3 ie7 1 6.ib2 if6 1 7.ixf6 Wixf6 1 8.ltJc3 White is better due to his extra space, while the ... E1a6 move appears to be useless. 1 3 ... d6 1 4.Wid2 Simple play, wanting to play ib2.

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After 1 4.�b2 E!xe3 1 5.Wd2 E!e8 1 6.E!ae l White has definite compensation, but it is rather complicated. 1 4 ...�f5 This was tried in Agdestein - Haik, Marseille 1 987, rather than 1 4 ...�e7 1 5.�b2 �f6 1 6.�xf6 Wxf6 1 7.4Jc3 when White controls all the important squares in the centre. Now White should have continued with his plan: 1 5.�b2!N If Black tries the same ... Wb8-a7 manoeuvre that was played in the Agdestein - Haik game, then White is ready for him. 1 5 ...Wb8 Instead 1 5 ...�e4?! makes no sense, as it only helps White to seize the initiative: 1 6.4Jc3 �xf3 1 7.E!xf3 and next we have E!g3 and 4Jd5 coming. Now White can simply play: 1 6.E!ael Wa7 1 7.�h l ± With an obvious advantage for White; Black is very passive and White's plan includes 4Jc3d5 and e3-e4.

8

1 3 ... b6 1 4.�b2 �b7 1 5.�f3 Wb8 1 6.E!adl 4Jh4 1 7.�d5!? An interesting decision, but also reasonable is 1 7.�xb7 Wxb7 1 8.Wc2 (with the idea of playing 1 9.E!d5) and if 1 8 . . . E!xe3 1 9.1Wf2 �e7 (if 1 9 ... 4Jf5 then 20.E!d5 wins material) 20.E!xd7 and Black is helpless against 'ge7 followed by Wh4. 1 7 ... 4Jf5 1 8 .�xf7t! A nice tactical blow that allows White ro develop a strong initiative. 1 8 ...i>xf7 1 9.Wxd7t i>g6 20.g4 This is Vallejo Pons - Romero Holmes, Spain 2002. 1 3 ...We7 1 4.4Jc3 Wc5 was Blazek - Ptacnik, Czech Republic 2004, and now 1 5.4Jd5 is clearly better for White. 1 3 ... c6 1 4.�b2 d5 1 5.cxd5 i.f5 (after 1 5 ... b5 1 6.4Jc3 �c5 1 7.4Jd l Wxd5 1 8.1Wc3 �f8 1 9.�f3 White wins the c6-pawn) 1 6.id4 White was better in Cu. Hansen - Miezis, Copenhagen 2004.

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but I find it slightly inaccurate, since it allows Black to obtain some counterplay with 1 3 ... 4Jh4!N. The main idea is to play ... tlJf5 at an appropriate moment. Previously against 1 3.Wd2 Black has not managed to solve his opening problems:

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13.Wd3!N In my opinion this move is a serious improvement; White manages to reach his optimal set-up. The main move according to theory is 1 3.Wd2

So now we can understand the difference with: 1 3 ... 4Jh4!N 1 4.�b2 1 4.�d3 b6 is given by Moskalenko, but instead with 1 4 ... b5! followed by ...ib7, Black takes over the initiative and gains a clear edge. 1 4 ...We7 1 4 ... 4Jf5 runs into 1 5 .e4! ( 1 5 .E!f3!?) 1 5 ...'gxe4 1 6.�d3 and Black loses the exchange. 1 5.�d4 4Jf5 1 6.�f3 E!a6! And Black definitely has play. Note thar

Chapter 6 - Classical Variation 1 6. . .ltJxd4 1 7.exd4 Wfe3t 1 8.Wfxe3 �xe3 19.�ael might be dangerous for Black, as he would face serious problems developing his light-squared bishop.

13 .d6 14.llJc3 c6 15.e4 ..

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White has a very pleasant edge, thanks to his space advantage.

91

Conclusion:

The Budapest Gambit is almost a respectable opening; I doubt there is a refutation. Even in the lines where White manages to keep an extra pawn, Black always has a lot of play for it. I recommend 4.ltJf3 , which may be an unpleasant choice for Budapest lovers, as White is aiming for positional play and not heading into complications by trying to keep the extra pawn. At move 4 there is an important crossroads 4 ... ltJc6 or 4 ... i.c5 (4 ... i.b4t is hardly playable for Black, though there are some important moments to look out for). After 4 . . . ltJc6 White has to be familiar with the rarely-played 6 .. .f6, which does not have a clear refutation according to theory. I believe White has a clear edge in this line and the reader should remember White's key idea - the c4-c5 temporary pawn sacrifice gives plenty of scope for seizing the initiative. In the main line White often gains an advantage by forcing Black to give up his dark-squared bishop. The most important line appears after 9 ... a5, which seems Black's best bet, yet after the smooth 1 1 .ltJb l White gets exactly the kind of pleasant space-advantage position we are looking for. 4 ... i.c5 has been the most popular reply in recent years. In the main line I recommend the positional 1 0.b3, which promises White easy play with every chance of an advantage. The key moment is 1 1 .ltJa4!, which avoids Black's typical transfer of his queen's rook to the kingside, and allows White to reach his optimal set-up. As things stand, White enjoys a plus in both lines, but there may still be room for improvements.

Benoni Systems a

b

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Catalan Benoni Variation Index l .d4 lDf6 2.c4 e6 3.g3 cS 4.dS exdS S.cxdS hS A) 6.e4!? lDxe4 7.rtfJe2 rtfJe7 8.i.g2 AI) 8 ... lDd6 A2) 8 ... £5! B) 6.lDf3!? B l) 6...i.h7 B2) 6 ... d6 7.e4 B2l ) 7... a6 B22) 7... h4N

B) first note

93 94 94 95 96 97 98 1 00

B 2 1 ) after 8 .. b4?!

B2 1 ) note to 9.liJbd2!N

9.liJbd2!N

1 3 . 0-0!N

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8 7 6 5 4 3 2

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93

Chapter 7 - Catalan Benoni

l.d4 tLlf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 b5 This has always been a very serious weapon against the Catalan opening. As this line is considered by some as a real headache for White, many Catalan players have tried to avoid it with the help of 4.4Jf3, but then after 4 ...cxd4 5.4Jxd4 the game transposes to the English opening where Black has many options. Basically there is a healthy idea behind this system. Black's intention is to get a Benoni-type position with his pawn already on b5 (normally in the Benoni it takes Black a lot of time to achieve this advance). Black will gain plenty of space on the queenside, which could ptomise him good play. But towards the end of 2007 the situation changed dramatically, as top players came up with two strong ideas for White.

in the late 70s, though he chucked it after a few attempts. The true revolution was 30 years later when Vladimir Kramnik used it in 2007 to secure first place in the Tal Memorial in Moscow. Here we shall j ust quickly go through the ideas that are already known, as understanding these will be very useful when we go on to look at our move, 6.4Jf3. In addition, there may be some who wish to follow Kramnik's rather than my proposal, however unlikely this might sound.

6... tLlxe4 The only acceptable move seems to be to accept the invitation. If Black does not do so, White will have been able to inconvenience him to too great an extent with the pawn push. 6 ...ib7?! 7.ig2 d6 8.a4 b4 9.4Jd2± Manor - Greenfeld, Rishon LeZion 1 996, and 6 .. Y.fje7 7.ig2 d6 8.4Je2 g6 9.0-0 ig7 1 0.e5! '?!fxe5 1 1 .4Jec3 0-0 1 2.4Jxb5± De Carbonnel - Wiersma, corr. 1 978, are good examples of this. ? We2 We? 8.�g2

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In this position I have decided to recommend

6.lLlf3, which is often followed by e2-e4 and

sharp play. However, it would be unnatural to avoid mentioning another very sharp option that exists in this position. So, for this reason we shall look at it first.

A) 6.e4!? This was first played in an odd game in the 1960s, and then later investigated by 50sonko

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Here it makes sense to look at two lines, AI) 8... ltJd6, as played against Kramnik, and the more combative A2) 8 . 5. ..

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Benoni Systems

AI) S ... tiJd6 This is rather passive; r am not surprised that White seems to gain an edge in this line.

9.i.e3 b4 Later an odd placement of the knight, combined with the same advance of the b-pawn, was tried: 9 ... tDa6 1 0.tDc3 b4 1 0 . . .l!b8 has been tried recently, but 1 1 .0-0-0!? appears to secure White an advantage. Remember, we are playing a gambit here! And this means we are aiming for quick development. For example: 1 1 ...b4 1 2.tDa4 tDf5 1 3.d6 tDxd6 1 4.if4;!; 1 1 .tDa4 g6 1 1 ...c4 is very similar to lines investigated by Sosonko in New in Chess Yearbook 86. After 1 2.tDh3 g6 l 3.0-0 ig7 ( l 3 ... ih6? 14.ixh6! Wixe2 1 5.!'!fel Wixe l t 1 6.!'!xe l t It>d8 1 7.ig5t It>c7 1 8.if4+- followed by tDg5, !'!cl and other unpleasant moves) 1 4.!'!fe l 0-0 I am not sure what the evaluation of this middlegame should be. The computer suggests: 1 5.Wifl !? Wid8 1 6.if4 tDf5 1 7.d6 !'!b8 1 8.g4 Wia5 1 9.9xf5 Wixa4 20.Wixc4°o 1 2.tDxc5 1 2.0-0-0!;!; is more aggressive. 1 2 ... tDxc5 1 3.ixc5 a5 The accurate equalizer was 1 3 ...ia6!. 1 4.id4;!; White had an edge in Moiseenko - Carlsson, Plovdiv 2008.

10 ..L:c5 Wfxe2t l 1 .tiJxe2 tDa6 12.i.xd6! An improvement over 1 2.id4 tDf5 l 3.0-0?! ic5!oo as in Sosonko - Olafsson, Wijk aan Zee 1 977. 12 ...i.xd6 13.tiJd2 !'!bS 14.tDc4 i.e7 15.d6 i.f6 16.tiJf4 lLlc5 17.0-0;:; i.a6 I s.lLld5 0-0 1 9.tiJxf6t gxf6 20.i.d5 tiJa4 2 1 .!'!fcl !'!feS

22.tiJe3 !'!b6 23.!'!c7 !'!xd6 24.!'!dl c;t>h8 25.tDrs !'!b6 26..L::f7 lLlxb2 27.!'!dxd7 !'!e1t 2S.i>g2 i.f1 t 29.i>S i.e2t 30. i>f4 gb8 3 1 .i.c4 1-0 This was the inspirational game Kramnik Alekseev, Moscow 2007. The critical option is:

A2) S ... £5!

It is of course impossible for me to guess what Kramnik had in mind here, bur some commentators have given some suggestions that could be considered.

9.d6! This seems to be the path forward. Other moves offer little. 9 ...Wfe6 9 .Wfxd6 would now fail to 1 0.f3 ltJc6 I l . fxe4 tDd4 1 2.e5!±. ..

1O.lLlc3 i.xd6 l 1 .g4!? Sosonko suggests that Kramnik could have intended: I 1 .tDxb5 ia6 1 2.ixe4 ixb5 1 3.ixf5 Wixe2t (Safer was 1 3 ... ixe2 1 4.ixe6 ib5 1 5.id5 ic6 1 6.�xc6 tDxc6=, but the position in the game is maybe not as clear

95

Chapter 7 - Catalan Benoni as Sosonko suggests!?) 1 4.ctJxe2 0-0 1 5.�e4 ic6 1 6.�xc6 ctJxc6 1 7.�e3 ctJe5 1 8.0-0-0 ttJc4 1 9.�f4 �xf4t 20.ctJxf4 g5 2 1 .ctJh3 E!:ad8 22.E!:d5± Van Wessel - Timman, Netherlands (rapid) 2008.

1 1...g6 1 2.gxf5 Or 1 2.ctJh3 Wic4 1 3.Wixc4 bxc4 14.ctJxe4 fxe4 1 5.�xe4 ctJc6 1 6.�g5 �e5 1 7.0-0-0�. 12...gxf5 1 3.tt.'lh3iii Timman does not fancy Black's posmon here. I am sure we have not heard the last of this line, though my impression is that 6.ctJf3!? is at least as attractive as 6.e4. My Recommendation B) 6.tt.'lf3!?

" ��.i.S*_ 8 ;: /.m " �-�� " _ " "" 7 ' � � ' 6 � � . � � �r% / " ""; � 5 �� i r • • � b 4 �� ''', , %� �� 'm �� ,g;� ��,� " 3 �b �� , �� , • b r[!j r[!j 2

� � .: t.�D;= a b c d e

f

g

h

in this position at the time of writing, but who knows, maybe this book will change that? Before studying the two main lines, we should note the problem with the following minor line: 6 ... g6?! 7.e4 ctJxe4 Now White should continued with: 8.�d3! The text move is more accurate than 8.�xb5 �g7 9.0-0 0-0 1 0.E!:e1 ctJf6 1 l .ctJc3 d6°o with double-edged play, Ponfilenok Shaposhnikov, Kazan 2008. 8 .. .f5 Much worse is: 8 ... ctJf6? 9.0-0 �g7 (or 9 ...�e7 1 0.�xb5, threatening 1 1 .d6, 1 0 ... Wib6 1 1 .E!:el ! 0-0 1 2.E!:xe7 Wixb5 1 3.ctJc3 Wib6 1 4.�h6 and Black's position is hopeless) 1 0.E!:e 1 t �f8 1 1 .�xb5 With Black's king still uncasded, Whi te's advantage is indispurable. 9.0-0 �g7 1 O.ctJbd2 0-0 1 0 ... ctJxd2 1 1 .�xd2 0-0 1 2.�xb5 This would be a normal Benoni position, if Black's pawn was still standing on £7. 1 2 ...Wib6 ( 1 2 ...�a6 1 3.�xa6 ctJxa6 1 4.d6 gives a clear positional advantage for White) 1 3.a4 �a6 I 4.Wib3 d6 I 5.Wie3! Black's weaknesses start to tell. 1 1 .ctJxe4 fxe4 1 2.�xe4 d6 1 3.ctJg5! A typical Benoni idea; White's knight is coming to e6. I 3 ... �xb2

Usually White has reacted with 6.�g2, but Gelfand came up with a different concept. He believes that the light-squared bishop might work out well on the f1 -a6 diagonal, targeting the b5-pawn. This is the line we shall concentrate on. Now Black has two main possibilities, Bl) 6 �b7 and B2) 6... d6. The latter is probably the critical variation, though it is hard to determine, as very few games have been played ...

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Benoni Systems

96

This position was reached in Gleizerov Grover, Dubai 2008, and here White should have continued: 1 4.i.xb2!N Unclear is 1 4.l::& b l i.xcl 1 5.tLle6 Wie7 1 6.Wixcl tLlc6!. 1 4" .Wixg5 1 5.f4 Wih6 1 5" .Wie7 loses to 1 6.Wic2! with the two powerful ideas of Wic3 and i.xg6. 1 6.Wie2 White has powerful compensation for the pawn.

Obviously White has great compensation after 8".i.xd5?! 9.i.xf6 (or 9.i.g2 i.e7 1 0.0-0 followed by e2-e4) 9".gxf6 1 0.i.g2. 9.e4

Bl) 6 ...i.b7

a b c d

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7.e4 White's second option is: 7.i.g5!? Wia5t If 7".h6 8.i.xf6 Wixf6 9.e4 Wixb2 1 0 .tLlbd2 a6 1 1 .a4 b4 1 2.i.c4 and White's position looks very attractive. And now I believe White should continue: 8.tLlbd2 Worse is 8.i.d2?! as played in Waqar Deshmukh, India 1 999. 8".b4 9.e4 And now Black could have taken White's central pawn with 9".tLlxe4!, as 1 0.i.f4 is hit by the computer-like refutation: 1 0" .i.d6! 1 1 .Wie2 i.xd5 1 2.i.xd6 �d8!! And Black is threatening both ".�e8 and " .b3t. 8" .tLlxd5

7... ctJxe4 8.i.g2!? This interesting pawn sacrifice is my main recommendation, so we will examine it deeply. Basically White's play is very simple: his d5pawn gives him good positional compensation, restricting Black's minor pieces on the queenside, while the open e-file allows White to generate active play and good attacking chances. Mihail Marin's suggestion of 8.i.xb5 also looks very interesting. 8".Wia5t

Chapter 7 - Catalan Benoni 9.lMd2! This is the point. (Instead 9.ctJbd2 tiJxg3! is fine for Black.) Now Black's best line is: 9".�xd5 1 0.0-0 Wxb5 I l .ctJxe4 Wc6 1 2.tiJbc3 �e6 And this is the critical position, as rightly pointed out by Marin. There is no doubt that White has a lot of play for the pawn, nevertheless Black's position is pretty solid.

8 . . .�e7 S...�d6 does not look good. 9.0-0 0-0 1 0 .tiJh4! EleS (after 1 O ... ctJf6 I l .ctJf5 Wb6 12.a4! White seizes the initiative) I I .Ele1 ctJf6 12.ElxeSt ctJxeS 13.ctJc3 White has obvious compensation, as Black's minor pieces are out of play on the queenside. The following line shows one possible continuation: 13 ... b4 1 4.ctJe4 g6 1 5.�g5 Wc7 1 6.ctJxd6 'tWxd6 1 7.We2 ctJa6 l S.�e7 Wc7 1 9.Ele1 White's initiative continues. 9.0-0 0-0 9 ... d6 1 O.Ele1 f5 1 1 .ctJc3 ctJxc3 1 2.bxc3 0-0 would j ust transpose to 9".0-0. lO.Elel f5 Another possible line runs: 1 0" .ctJd6 1 1 .�f4 ctJa6 1 2.ctJc3 b4 1 3.ctJa4 (unclear is 13.�xd6 �xd6 1 4.ctJe4 Wc7) 1 3 ... EleS 1 4.b3 ifS 1 5.Wd3� There is nothing concrete, but White's positional compensation cannot be denied.

97

1 l.ctJc3! Obviously White has to get rid of Black's centralized knight in order to gain space for his pieces. l 1 . .. ttJxc3 This is Black's best option. Other moves are hardly advisable: 1 l ...ctJa6 1 2.ctJxb5 Wb6 1 3.ctJc3 is better for White. 1 1 ...d6 1 2.ctJxe4 fxe4 1 3.ctJd2! ctJd7 1 4.ctJxe4 c4 1 5.�f4 ctJb6 1 6.Wg4 and White develops a dangerous initiative.

1 2.bxc3 d6 This is much better than: 12" .�f6?! 1 3.Elb l �xc3 1 4.Ele3 �f6 (after 1 4".Wa5 1 5.We2 �a6 1 6.EleS Wb6 1 7.ElxfSt �xfS l S.ctJg5! White has a crushing attack) 1 5.Elxb5 WcS 1 6.d6± The threat is 1 7.Elxb7; White is clearly better. 1 3.if4 ttJa6 Or 1 3".ctJd7 14.We2 Elf7 1 5 .Wxb5 ctJb6 1 6.c4 �f6 1 7.Elab a with a pleasant edge. l 4.We2 if6 l 5.Wxb5 Elb8 l6.Wd3 White's chances are better i n view of Black's weaknesses such as the d6-pawn and e6square. B2) 6 ... d6 7.e4 This is White's idea, which is not so different from what Kramnik played against Alekseev, but perhaps it is a better version. Here Black has two different ways of looking after the b-pawn, both worthy of independent investigation, B2l ) 7...a6 and B22) 7 ...b4.

a b c d

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I should mention that 7".ctJxe4? is simply bad: h

98

Benoni Systems

8.�xbSt �d7 8 ... lLld7 9.We2 We7 1 0.0-0 looks horrible for Black. 9.�xd7t lLlxd7 And now:

a b c d

1 0.We2 This is much stronger than 1 0.0-0 �e7 l 1 .�e 1 lLlef6 1 2.We2 lLlxdS 1 3.lLlc3, as recommended by Golubev, when Black can still fight after 1 3 ... lLlxc3 1 4.bxc3 lLlf8!. 1 0 ... We7 Other options are even worse: 1 0 ... lLldf6 l 1 .lLlh4! and Black cannot avoid losing material; and after 1 0 .. .fS l 1 .lLlh4 Black is losing at least a pawn. 1 1 .0-0 lLlef6 1 2.Wa6! lLlb8 Black is losing after 1 2 ... Wd8 1 3.�e1 t �e7 14.Wxd6. 1 3.Wd3 Wb7 14.�gS �e7 l S .�xf6 �xf6 1 6.�e 1 t �e7 1 7.We4 White's advantage is indisputable.

B21) 7 ... a6 8.a4! This is White's main strategic idea. Before proceeding with normal development, White wants to gain some positional trumps on the queenside, in particular the c4-square for his knight. Instead Black is fine after 8.�d3 �g4 9.lLlbd2 lLlbd7 1 O.h3 lLleS l 1 .�c2 lLlxf3t 1 2.lLlxf3 �xf3 1 3.Wxf3 g6 1 4.a4 �g7 l S.0-0 0-0= as in Lysyj - Bocharov, Russia 2008.

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8 ...b4?! There is no point in 8 ... We7? as after 9.�d3 Black still cannot take on e4 (also interesting 9.�e2!?). 9 ... lLlxe4? (somewhat better would be 9 ... lLlxdS 1 O.axbS lLlb4 1 1 .0-0, but in this case White has a big lead in development with equal material) 1 0.0-0 fS l 1 .lLlc3 White will crash straight through. Probably better was: 8 ... lLlxe4 9.axbS �e7 This was suggested by Marin in his comments to the Gelfand - Aronian game that is mentioned below. But things are not so simple for Black, as White has a very dangerous idea at his disposal: 1 0.bxa6 0-0 The a6-pawn was untouchable in view of l 1 .Wa4t followed by 1 2.Wxe4. 1 1 .a7! This is the point; now Black needs to waste a few tempos to regain the pawn, while White gains other trumps. 1 1 ...lLld7 Bad is 1 1 ...lLla6 1 2.�xa6 �xa7 1 3.Wd3 and White wins material. 1 2.�d3 fS Clearly inferior is 1 2 ... lLlef6 1 3.0-0 �b6 (Black can try to win the dS-pawn with 1 3 ... b7 1 4.lLlc3 lLlb6, but White manages to seize the initiative: l s.lLlh4! lLlbxd5

�

Chapter 7 - Catalan Benoni

99

1 6.LDf5 Black's position is very dangerous, for example: 1 6 ... g6 1 7.LDxe7t 'lWxe7 I S.�h6 l"lfeS 1 9.�b5 and the a7-pawn should decide the game. Also dubious is 1 3 ... 'lWc7?! 14.LDc3 and Black cannot take on a7 in view of 1 5.LDb5.) 14.l"lel l"leS 1 5.'lWa4 'lWb7 (preparing ... LDb6) 1 6.�g5 LDb6 17.'lWh4! The following line is a good example of how the play might continue. Black is fighting to capture the a7-pawn, while White develops his own play. 1 7 ... LDbxd5 I s .LDc3 h6 1 9.LDxd5 LDxd5 20.�xe7 LDxe7 2 1 .'lWe4 f5 22.'lWxb7 �xb7 23.LDd2 And White wins. 13.0-0 'lWc7 Certainly not 1 3 ...'lWb6 14.'lWa4 and the a7pawn is staying alive. 14.liJc3 White switches to positional play. Instead the game would look rather unclear after 1 4.'lWa4 �b7 1 5.LDc3 LDb6 1 6.'lWa5 l"lxa7! 1 7.Wxa7 l"laS with mutual chances. 14 ... LDxc3 1 5.bxc3 l"lxa7 Black has succeeded in regaining the pawn, but White still has positional pressure, thanks to his extra space and the black weaknesses that were created by the . . . f7-f5 advance. Risky is 1 5 ... c4 1 6.�c2 l"lxa7 1 7.l"lxa7 'lWxa7 18.We2 LDc5 1 9.�e3 and Black will lose the c4-pawn. 16.l"lxa7 Wxa7 1 7.l"lel LDb6 After 1 7 ... LD f6 1 8.'lWc2! LDe4 1 9.�f4 sooner or later White will win a pawn, by capturing on e4. 18.c4 h6 1 9.'lWc2 White has good positional pressure.

9.�d3 g6 9 ...�g4 1 0.LDbd2 LDbd7 I l .LD c4 �e7 1 2.a5± with a pleasant edge for White. 1 0.LDbd2 �g7 I l .LDc4 0-0 1 2.�f4 LDe8 So far we have been following Gelfand Aronian, Mexico World Championship 2007, and after the premature 1 3.a5?! Aronian obtained reasonable play with the nice 1 3 ...�h3 1 4.LDg5 �d7, and Black's light squared bishop found a good square on b5. Instead Gelfand should have played:

Now I believe that Boris Gelfand could have played a stronger move.

9 ttJbd7 The point behind my new idea is that 9 ... g6 does not work after: 1 0.LDc4! LDxe4 1 0 ... LDbd7 1 1 .�g2!? LDb6 1 2.LDxb6 'lWxb6 1 3.e5 dxe5 I 4.LDxe5 with a clear advantage.

9.liJbd2!N This move seems to force Black to develop his dark-squared bishop to e7, which is always inconvenient in the Benoni.

� �.t�Ijj Y. . � � .%�� "" ""' ?JiP'� � . " 7 �� p ��i 6 ,. W�%�., �.� �� 8

''',

5

�

.r�% ltJ. ",,%� �8 ?Jil�'� �� 8 W � - " " � �� ,:",%�,�B � � 3 ��'%�� 1 �,� W�"" %�� W�% W�

4

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�m a

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1="' .: d

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1 3.0-0!N �g4 The point is that Black has no time for 1 3 ... a5, as it runs into 1 4.e5! dxe5 I 5.LD6ce5 opening up the play in White's favour. I4.mg2 a5 I 4 . . . LDd7 allows I 5.a5! with a clear positional advantage: 1 5 ...We7 1 6.h3 �xf3t 1 7.'lWxf3 LDe5 I 8.�xe5 �xe5 1 9.'lWe2 White's idea is to expand his control of the centre with the pawn pushes f2-f4 and e4-e5. I 5.h3 �xf3t I 6.'lWxf3 LDd7 1 7,l"lael LDb6 1 8.l"le2 LDxc4 1 9.�xc4 LD c7 20.h4 White has a stable edge.

...

1 00

Benoni Systems

Also pretty miserable is 1 0 ...i.g7 1 1 .i.d3 0-0 1 2.i.f4 and Black has to play 1 2 .. .lZ'leS, when he has very little to be happy about. 1 1 .i.d3 f5 Mter 1 1 ...tDf6 1 2.0-0 i.e7 1 3 .i.h6 tDg4 1 4.'@I'd2 it is hard to believe Black can hold this with his king stuck in the centre. 1 2.0-0 i.g7 Mter 1 2 . . .i.e7 1 3 .i.h6 White has a strong initiative. 1 3.i.xe4 fxe4 1 4.i.g5 '@I'd7 1 5 .tDfd2 And Black's position collapses.

putting his pawn on a5, taking control of the b6-square. This would deny a potentially useful square to Black's knight, and it also makes the a6-pawn a likely target.

9 ... a5 1 0.i.b5 t is also a disaster for Black.

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8.i.h5t This is a typical idea in Benoni-type positions.

1 0.aS! 1 0.i.d3 would allow 1 0 ... a5, which might slightly ease Black's task, as he will have the important resources of ... tDb6 and . . .i.a6, attacking the white piece that will inevitably land on c4. 10 ...i.e7 1 1 .i.d3 0-0 1 2.0-0 White has a dream version of the Benoni, as his knight has a perfect ourpost on c4.

S.tDbd2 is a worthy alternative, but perhaps not as strong as it would be with the inclusion of a2-a4 and ... a7-a6, as Black's knight can go to b6 and White cannot prevent this with a4-a5. S ... tDbd7 9.i.d3 (9.tDc4 is well met by 9 ... tDb6) 9 ... i.e7 (Black has no time to develop his bishop on g7: 9 ... g6 1 0.tDc4 tDb6 1 1 .e5! dxe5 1 2.tDcxe5 i.g7 1 3.i.b5t i.d7 14.liJxd7 tDfxd7 1 5 .i.g5 i.f6 1 6.'@I'e2t �fS 17.�h6t i.g7 I S .i.e3 White is better as the black king is very badly placed on fS.) 1 0.0-0 0-0 l l .l'"%el tDb6 Black has a reasonable position, though I would prefer White after 1 2 .a3±.

B22) 7...h4N

8 ...i.d7 Black cannot play S ... tDbd7? as after 9.0-0 White will decisively break through in the centre with e4-e5.

This is Black's best option. I believe the inclusion of the moves a2-a4 and ... a7-a6 should favour White, as he has the strong positional idea of

9.i.d3 Of course White does not intend to exchange light-squared bishops: 9.'@I'e2 i.xb5 l O.�xb5t

Chapter 7 - Catalan Benoni CLlbd7 1 1 .ttJbd2 :1I.e7 1 2.0-0 0-0 1 3.a3 a5 Black would have comfortable play.

9...g6 Naturally Black's bishop will be more active on g7 than it would be on e7. 10.ttJbd2 White would not achieve anything with 10.:1I.f4 ttJh5! 1 1 .:1I.g5 :1I.e7 1 2.:1I.h6 ( 1 2 ..te3 :1I.f6 is okay for Black) 1 2 ...:1I.f8 1 3.:1I.xf8 Wxf8 14.0-0 :1I.g4 and Black is fine after the exchange of dark-squared bishops. 10 ...ig7 1 1 .ttJc4 0-0 1 2.if4 If 1 2.ttJxd6?! :1I.g4 and Black obtains a good position after either 1 3.:1I.f4 ttJh5 1 4.ttJc4 ttJxf4 1 5.gxf4 IWf6 or 1 3.ttJc4 ttJxe4! 1 4.0-0 ttJd6. 12... ttJe8 1 3.0-0 ibS 13 ... :1I.g4 Ieads to a more complicated struggle. 14.E\e1 ttJd7 1 5.h3 :11.x f3 1 6.IWxf3 ttJb6 1 7.E\e2 CLlxc4 1 8.:1I.xc4t White has a pleasant edge, as Black lacks sufficient counterplay. 14.W'c2

believe White's chances are clearly preferable, as Black is really lacking his typical Benoni counterplay on the queenside, though the position remains very complicated.

101

Conclusion: This hybrid variation of the Catalan and the Benoni was once considered a serious problem for White. However, recent theoretical developments have improved White's prospects with various versions of an e2-e4 gambit. The reader even has a choice of following my repertoire or Kramnik's.

Benoni Systems a

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Snake Benoni Variation Index l .d4 etJf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 ,id6 6JLJc3 0-0 7.,ig2 A) 7 ...,ie5 B) 7 ...,ic7 C) 7 .. J!e8

103 104 105

B) after 1 6 . . . 1"lb8

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C) note to 1 0 . . .1i.xc3

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Chapter S - Snake Benoni

l.d4 tDf6 2.c4 e6 3.g3 cS 4.dS exdS S.cxdS id6 This is the Snake Benoni system, so called because the intended path of the bishop from f8-d6-c7-a5 resembles the slithering motion of the elongated reptile. Black's main plan involves using the "Snake Bishop" to assist the majority attack with his queenside pawns. If he is given time to play ... d6 after putting the bishop on c7, this plan has been shown to work surprisingly well in practice. Thus one of the key points of our strategy will be to play d5-d6 immediately after ...!ibc7, which will severely hamper the development of Black's queenside. 6.tDc3 0-0 7.�g2

1 03

1 0 .. ':;:'leS White's play in the following encounter looks quite convincing: 1 1 .lLld2 b6 1 2 .e4 lLlbd7 1 3.f4 The natural 1 3.c4!? also comes into consideration. 1 3 ...!iba6 14.c4! This move is much stronger than 1 4.:8el id3 1 5 .c4 b 5 and Black has deceht counterplay. 1 4 ... b 5 1 5 .!ibb2! The point behind the previous move. White sacrifices the c4-pawn in order to activate his dark-squared bishop. 1 5 ... bxc4 1 6.ic3 :8bS 1 7.g4 White has every chance of executing a successful attack, while Black has no real play on the queenside, Miljkovic - Marholev, Nis Mediana 2008.

l 1.a4 Also 1 1 .lLld2 looks quite strong, for example 1 l ...b 5 1 2 .a4 bxa4 1 3.�xa4 lLlb6 14.�a5 with a serious positional advantage, Glavina Rossi Gashimov, Spain 2006. I would like to point out that the natural looking J 1 .c4 gives Black an opportunity to obtain counterplay in the style of the Benko Gambit: 1 1 ...b5!? 1 2 .cxb5 a6 1 3.bxa6 ixa6 1 4.:8el :8e8� This is the main branching position of the whole line. Black's main choices are A) 7...�eS, B) 7...�c7 and C) 7 .. J�e8.

1 l .. J!e8 1 1 ...lLl b6 can be met comfortably by 1 2.lLlh4.

This move has been tried twice by Vugar Gashimov, but I am rather sceptical about Black's chances after giving up his dark-squared bishop.

1 2.tDd2 :Ei:b8 Other options do not improve Black's prospects, for example 1 2 ... b6 1 3.c4 �e7 1 4.e4t, or 1 2 ... lLle5 1 3.c4 followed by ib2. I n both cases White's advantage is indisputable.

s.lbf3 hc3t 9.bxc3 d6 1 0.0-0 tDbd7 If:

1 3.e4 a6

1 04

Benoni Systems

9.ctJh3! This leads to a clearly improved version for White of the position from our main line, as the knight is better placed on h 3 than on B. One reason is that it does not block the light squared bishop, while j ust as importantly, it is now much easier to push the central pawns. 9 ... ltJc6 1 0.0-0 I regard this position to be bordering on unplayable for Black. We will look at two recent examples, which clearly vindicate this evaluation.

I S.axb6 ctJxb6 1 6.c4 as 17.'lWc2 a4 1 8.�b2 This was Gajewski - Janev, Lyon 2006. White's advantage is obvious, as his dark squared bishop is tremendously powerful. Furthermore his extra central pawn on e4 is considerably more influential than the enemy wingman on a4.

10 .. J'l:e8 Mter 1 0 ... b6 1 1 .e4 Black has very little chance to oppose White's offensive in the centre. 1 1 ...�a6 1 2.!"lel !"leS 1 3.f4 g6 (Somewhat stronger was 1 3 ... h6, although White is clearly better after: 1 4.e5 �xc3 1 5.bxc3 liJh7 1 6.�d5±) 1 4.e5 �xc3 1 5.bxc3 tLlh5 16.�d5 tLlg7 1 7.tLlg5 !"lfS l S.tLle4! and White easily obtained a decisive attack in Khismatullin Stupak, Minsk 200S. 1 1 .ltJdS!

B) 7...�c7 This should be met by a standard reaction.

8.d6 �aS

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This seems very strong, as it leaves Black's dark-squared bishop somewhat misplaced on a5 and exchanges a very important defender of his kingside.

1 05

Chapter 8 - Snake Benoni

1 1 ... ctJxd5? An unfortunate decision that only helps White to increase his pressure. Relatively best was 1 1 ...h6, but after 1 2.liJhf4 White is much better. 12.,txd5 h6 Defending against the threat of liJg5.

9.d6 runs into 9 ...1!Nb6! and Black is absolutely fine. 9 ... d6 1 0.l'!e1 liJa6 l 1 .h3 liJc7 1 2.a4 b6 1 3.e4 ,tb7 1 4.1!Nb3 l'!b8 1 5.,tf4 liJh5 1 6.,tg5 f6 1 7.iLe3 With a clear advantage, Cvitan - Schwab, Oberwart 1 994.

13.ctJf4 \WfG 1 4.,te3 ctJd4 1 5.a3! ,tb6 1 6J�c1 l'!b8

a b c d

This position occurred in Avrukh Khismatullin, Dresden 2007. Here I could have simply played:

17.1!Nd3!N It is difficult to find a reasonable move for Black. He cannot play 1 7 ...1!Nxd6 in vIew of 1 S.b4!+- and Black unavoidably loses material. C) 7.. J�e8 8.ttJf3 ,te7 Black has also tried S...,tfS This looks pretty senseless to me, as I do not see any point in playing with a passive bishop on f8 instead of g7. I like the following example for White: 9.0-0

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9.d6! This is a key move in White's strategy. It is very important not to allow Black to consolidate his position with ... d6. 9.0-0 d6 has been played in many games, with Black achieving excellent results. If it were not for the d5-d6 idea, I would not hesitate to play this variation with Black.

9 ...,ta5 10.ctJd2! Another key move. It is very important for White to maintain control over the e4-square. In case of the natural 1 0.0-0 Black obtains reasonable play by means of 1 0 ...iLxc3 1 1 . bxc3 liJe4! 1 2.1!Nd3 1!Nf6 1 3.iLf4 liJc6 1 4.l'!ac1 b6. I was unable to find anything special for White in this position. 1 O ...,txc3 I examined three alternatives. 1 0 ...1!Nb6 1 1 .liJc4 iLxc3t 1 2.bxc3 1!Na6

106

Benoni Systems

This looks like an interesting way to activate the queen. At the same time, she is now a long way from the kingside, which gives White the opportunity to play for an attack. 13.'lWd3 ltJc6 1 4.�g5 �e6 The critical line runs 1 4 ... b5 1 5.ltJe3 ltJe5 (White is much better after 1 5 ... �e6 1 6.�xf6 �xf6 1 7.0-0 �b7 1 8.�fb 1 !± as was correctly pointed out by Ehlvest in Chess Informant 78) 1 6.'lWf5 �b7 1 7.�xf6 �xg2 and now White gets a winning position by 1 8.�xe5 �xh 1 1 9.'lWg5! �xe5 20.'lWxe5+- as Black is helpless against the dual threats of 2 1 .ltJf5 and 2 1 . f3. 1 5.�h3 Also 1 5.�xf6!? �xf6 1 6.0-0 leads to White's clear advantage. 1 5 ... b5 1 6.�xe6 fxe6

� •• � ,� �i. � � � �� f? � � i � " � �� l�'{f� · ' %� � "" � &¥ % '. �_ �//. � 5� ....�. ' � /. r / lt5 4 � ��'� ��r�� if. �� . . 3 � �. . .%.�d. ..%wtf ....� �� (§'if" " %."· ' 8

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Now in the game Gaprindashvili - Miezis, Hamburg 1 999, White should have played: 1 7.ltJd2!N Black is left without any compensation for the exchange. 1 0 ... ltJc6 1 1 .0-0 �xc3 1 2.bxc3 b6 1 3.�el A final preparatory move before pushing the central pawns. 1 3 ...�a6 Relatively best would be 1 3 ...�b7 1 4.e4 ltJe5 1 5.f4 ltJd3 1 6.�e3 ltJxc1 1 7.�xc 1 , though even here White enjoys a clear advantage. 1 4.f4!?

Also strong was the natural: 1 4.e4 ltJe5 15J4 ltJd3 1 6.�e3± 1 4 ... �e3 Black tries to create some counterplay, but White has a strong idea at his disposal. 1 4 ...'lWb8 was not much better: 1 5.e4 \Wxd6 1 6.e5 'lWe6 1 7.ltJf3! and Black loses material in view of the threatened ltJg5. 1 5.ltJfl ! �xc3 1 6.�b2 �c4 1 7.ltJd2 E1b4 1 8.�c3 �c8 1 9.�xb4 ltJxb4 20.a3 ltJc6 2 1 .e4 White's advantage was already close to decisive, Ehlvest - Miezis, Geneva 1 999. 1 0 ...�e6

.i • .t�

� .�

�i i.i .r . "�'' %B ��r.' �_ ....%.�.. ..".' '%� '�"''' !. , � • 4 �' %� � 8

7 5 6

�

, ��:,,�/.;�� ,�� ;0 1� "''';:%?� ''//.. ��'j'{� '(},. " %� ��'f{� 3 � f{g8 25.lDa5 White has a clear positional advantage and the following example supports my assessment. 25 ... lDe5 26.2"le3 Worthy of consideration is 26.f4 ltJd3 27.2"le3 lLlb4 2S.e5 with an advantage. 26...f5 27.f4 lDf7 28.lDc6! �xc6 29.dxc6 �xc6 This was played in Cernousek - Terekhov, Bavaria 200S, and now we have a simple novelty.

17 ... ctJa7 In my opinion 1 7 ... b5 is inferior, as Black does not gain sufficient compensation after: 1 S.axb5 c4 19.�xc4 (if 1 9.1Llxc4 then 1 9 ... axb5 20.lLld2 b4 2 1 .lLle2 �b5� and Black gets some play) 19 ...�xc4 20.lLlxc4 axb5 And now White should play the simple: 2 1 .lLld2!N (instead 2 1 .lLlxd6 lLlxd6 22.�f4 �fS 23.2"la6 b4 was unclear in Jirka - Simacek, Prerov 200 1 ) 2 1 ...b4 (or 2 l ...lLlb6 22.2"la7 b4 23.lLle2±) 22.lLle2± 1 8.ctJc4 b5 Of course 1 s . . . lLlcs looks very strange, but actually Black is renewing his main idea of ... b7-b5. 1 9.a5 �b5 20.b3! A very important positional decision; now White is ready to recapture with a pawn on c4. Cu. Hansen S.B. Hansen, Koge 2005, continued 20 ... lLld7 2 l .f4 b6 22.axb6 lLlcxb6 23.�d2 lLlf6 24.h2 and White had a stable positional edge.

G22) 1 3 ... lDe5

1 9.axb5 lDxb5 20.�d2 Now the following series of moves looks pretty logical. 2o ... lDxc3 2 1 .�xc3 �b5 22.b3! Once again we see this well known positional idea; White will recapture with the b-pawn i n the event o f a capture o n c4. a

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Chapter

13

-

In my opinion this is a critical continuation that leads to very sharp play.

14.ttJa3 As usual, the trade of one pair of knights (by 1 4.ttJxe5 �xe5) leads to a comfortable game for Black. Now we have reached the first crossroads in this complicated line. Black can now play G221) 14 ...Wc7?!, G222) 14 ...c4, G223) 14 ...id7 and G224) 14... ttJh5.

1 87

Modern Benoni

1 962, continued l S.tf2 ttJc5 1 9.e5 ttJd3 and Black had good counterplay.) 1 S . . . l2lc5 (I also examined l S .. . f5 1 9 .We2 fxe4 20.ttJxc4 and White's forces are much better coordinated.) 1 9.94 l2l f6 20.e5± Black is already in serious trouble. 1 7 ... l2lxe4 1 S.l2lxe4 f5 This is a thematic idea for Black in die Benoni, but in this case White can easily prove his superiority:

G221) 14 ...Wc7?! This is dubious as it allows White to get everything he is dreaming of:

15.f4 ttJed7 1 6.e4

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1 9.12lxd6!N In Cernousek - Arakhamia-Grant, Sun ningdale 2007, Black obtained reason able play after 1 9.12lg5 �xe3 20.l2le6 �xe6 2 1 .dxe6 l2lf6 22.l2lxc4 d5. 19 ... �xe3 20.l2laxc4 �xg3 2 1 .We l ! �xg2t 22.�xg2 l2lf6 23.We5! White is clearly better, as Black does not have compensation for the exchange.

17.te3 ttJc5 Let's see some of the other moves that have been tested in practice: 17...ttJh5 l S.�h2 I prefer this move, as White keeps an important option of driving Black's knight away with g3-g4. (Instead Gonzalez Zamora - Polugaevsky, Havana

1 8.e5 dxe5? 1 9.d6 Wa5 20.fxe5 liJfd7 2 1.Wd5+White quickly won in Korsus - Friedrich, Bad Zwischenahn 2006. G222) 14...c4 A rare move, introduced by the talented Polish Grandmaster Gajewski against the author of this book. Still, I do not see any j ustification for losing control of the d4-square.

1 88

Benoni System s

Is.ie3! White immediately takes control over the e3-a7 diagonal and especially the d4-square. White should not accept the pawn sacrifice with 1 5.f4 lUed7 1 6.lUxc4?!, as this would allow Black fantastic compensation after 1 6 . . . b5 17.axb5 axb5 1 8.lUd2 lUc5. I s...id7 Now I have found a very interesting solution.

After 1 6 . . .Ei:aB 17.id4 the idea of 1 B.f4 is very unpleasant, and the c4-pawn is also hanging. 1 7 ... lUh5 1 B.@h2 g5 1 9.ixe5! ixe5 20.lUxc4± and White has a healthy extra pawn. After 1 6 . . . Ei:cB 17.f4 lUh5 1 B. fxe5 ixe5 1 9.94 lUg3 20.Ei:f3 Black is far from having sufficient compensation for his missing piece.

1 7.axbS axbS 1 8.ixb8 Less clear is 1 B. f4 lUeg4 1 9.hxg4 lUxg4 and Black has some play. 1 8 .. JWxb8 1 9.b4 Black hardly has compensation for the exchange, with the following important point: 1 9...cxb3 20.'\19xb3 b4 2 1 .Ei:ab l ± Black's play i s not serious, though some accuracy is required from White. G223) 1 4...id7

In the game I played less convincingly and after 1 6.lUc2 b5 1 7.axb5 axb5 1 8 .lUb4 Wfc8co Black had counterplay on the kingside in Avrukh Gajewski, Dresden 2007. 1 6.a5 WfcB 1 7.g4 h5 1 B.g5 ixh3 leads to equality, and shows once again that Black has plans on the kingside as well as the usual . . . b7-b5 idea.

1 6... bS This looks principled, but it does not work. However, the other options also leave White with a clear positional plus.

16.fxeS ixeS

1 89

Chapter 1 3 - Modern Benoni And now the easiest would be:

17.g4 17.if4 should also be enough for an advantage. 17... tLlg3 Now I recommend that White save his rook.

18... b5 Another option is l S ..\Wh4 1 9.ie3 h5 20.gxh5 and Black's attack falls short after 2o ...ixh3 2 1 .hxg6 fXg6 22.if2 ig4 23. ttJe4 �xf3 24.exf3 with a material advantage. .

19.axb5 axb5 20.\Wel b4 I also examined 20 .. .f5 2 1 .if4 ixc3 22.�xg3 ixb2 23.l"i:b l when Black does not have sufficient compensation for being a piece down. 21.l"i:xg3 bxc3 22J�xc3 White is clearly better. G224) 14... tLlh5

This is by far Black's most important choice.

1 5.e4 The best and most principled continuation; other moves do not pose Black any problems. For example, 1 5. f4 ttJxg3 1 6.fXe5 ixe5! and Black has good attacking chances. After the text move we reach a critical position of the whole line. Black has to decide which sharp line he wants to try.

G2241) 1 5 . .id7 .

The text is Black's most common choice in the present position, and has recently become even more popular thanks to the game Avrukh - Kamsky from the 2007 World Cup.

1 6.a5! This is White's only chance of fighting for the advantage. With this pawn sacrifice White tries to distract Black's queen from the kingside, and especially the h4-square, in order to start pushing his pawns there. Neither 1 6.f4 tLlxg3, nor 1 6.g4 b5! promises White any favourable chances.

1 90

Benoni Systems

16 .. :�xa5 The alternative 1 6... b5 seems worse to me. 1 7.axb6 Elxb6 Black failed to obtain serious compensation after 1 7 ...i.b5 1 8.lOaxb5 axb5 1 9.1Oxb5 Wfxb6 20.lOa3 c4 2 1 .\t>h2 in Anastasian Gopal, Abu Dhabi 2007. a

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Now I investigated the following lines: 1 9 ... lOg4 1 9 ... Wfh4? does not work due to 20.fxe5 i.xh3 2 1 .Wff3 and White wins. It is also hard to believe Black has sufficient play for the sacrificed piece after 19 . Jlb4 20.bee5 i.xe5 2 1 .1Oc2. 20.hxg4 i.xc3 2 1 .bxc3 lOxe4 22.i.xe4 Probably we have to give up our bishop, as 22.Ela2 runs into 22 ...i.a4. 22 ... Elxe4 23.g5! Not allowing the queen to j ump to h4. Black has insufficient compensation for the piece. .

I B.f4!N In my opinion this is a serious improvement over White's play in the following two games: I B.@h2 was tested in Civin - Nokes, New Zealand 2006, but it is too slow. Black could achieve a good game after I B . . . i.b5 1 9.1Oaxb5 axb5 20.f4 1Oc4. I B.g4?! allows Black to develop a dangerous attack after I B ... Wfh4! 1 9.9xh5 (simply bad is 1 9.Ele l ? i.xg4 20.hxg4 1Oxg4 2 1 .Wff3 as in Payen - Sanglan, Avoine 2004, and here it's a mystery why Black did not find the primitive 2 1 ...i.d4 22.i.e3 Elxb2 and White's position collapses) 1 9 . . .i.xh3 20.Wfe2 lOg4 2 1 .i.f4 i.e5!. The play might continue: 1 B ... lOxg3 1 9.Elf2! The point. Black is fine after 1 9.bee5 lOxfl 20.i.xf1 (20.Wfxfl runs into 20 ...i.xe5 2 1 .1Oc4 i.xc3 22.bxc3 i.b5!=t) 20 ...i.xe5 2 1 .lOc4 i.d4t 22.\t>h l Elb4 and Black has great play.

17.g4 1Of6 1 7 ... b5 has been tried only once and indeed after I B.gxh5 b4 1 9.ct:k2 WfdB 20.lOe2 Black's compensation was rather questionable in Luyks - Pinheiro, Lisbon 2002.

Chapter

191

13 - Modern Benoni

18.f4 In my opinion this is the only way for White to fight for an advantage and this is the move I opted for in my most recent game. I had previously tried: 18.g5 But I was hit by a strong novelty. The curious point is that I had already discovered this move by myself a few years before. The explanation is quite simple - I simply forgot the right move. 1 8...tZlh5 1 9.f4 tZlc4! This is the only way, as other moves are favourable for White. 20.ttlxc4 'Wxa1 2 1 .tZlxd6

:i� .� �� i 7 -."" � i• .t..� i .�

I S ... llJexg4 Now the same idea that Black used against 1 S.g5 no longer works: l S ... tZl c4 1 9.1Llxc4 'Wxa1 20.e5! and Black is in trouble. 1 9.hxg4 ltJxg4

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��.""%.�wt1" .%. ��".J� ! �� h2 E:xf2 and Black's attack looks extremely strong, while White cannot connect his pieces. 25.ie3 Wlh4 26.E:fe 1 ixc3 27.tLlxc3 E:xe3! and Black wins, because of the line 28.fxe3 Wlf2t 29.'kt>h2 E:f5. 25 ...ixc3! Black is probably worse after 25 ...Wlh4 26.E:e 1 id4 27.E:e3!. 26.tLlxc3 Black has a draw at the very least after 26.bxc3 E:xe4 27.f3 E:xf3 28.E:xf3 E:e2 29.E:f2 E:e 1 t 30.E:fl E:e2. 26 ...E:xf2! 27.'kt>xf2 E:f8t 28.c;t>e3 I believe White should accept a draw, as after 28.c;t>e1 Wlxg2 29.E:xf8t c;t>xf8 only Black can play for a win. 28 ...Wlxg2 29.E:xf8t 'kt>xf8 30.tLle4 Wlgl t=

the central pawn after 25.E:a3 E:xd5, as has occurred twice in rournament practice. 25 . . .Wld4 If 25 ...Wld7 then 26.tLlc4. 26.tLlde4 Now this is more effective. 26 ... E:xd5 27.ie3 Wle5 28.tLlc3 E:d7 29Jlfdl E:fd8 30.E:xd7 E:xd7 3 1 .tLlge4 Black can hardly survive given the activity of White's minor pieces.

24.axbS axbS 2S.lLJcxd6 This is the last crossroads for Black in this line. 2s ...i eS The alternative is: 25 ... E:b6 White's knight looks somewhat trapped on d6 and Black is threatening ro gain material with 26 ...�e5, but I found a great idea White solves this problem with the help of his h6-pawn!

23 ... bS This looks ro me like the only playable option. If instead: 23 ... E:be8 24.tLlcxd6 E:e5 White has a simple solution:

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26.E:a5!N In the game Landgraf - Mirov, corr. 1975, White did not manage ro find the right idea and ended up in a worse position after 26.ie3 ie5 27.ixc5 Wlf4 28.E:fel E!xd6. 26 . . .Wld7 Black defends the b5-pawn. If instead 26 ...ie5 then White has nothing to worry about and can grab the pawn with 27.liJxb5.

1 99

Chapter 1 3 - Modern Benoni

Another natural defensive try was tested in an e-mail game: 27 ...�b6

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27.�a3!! White now has rhe deadly threat of 28.�h3 followed by .ie6t. 27 ...Wfg4 28.�b3! The easiest; White escapes with his knight and achieves a winning position (also worthy of consideration is 28.�g3 '!:Nh5 29.�e3 �d4 30.b4!?).

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White played brillianrly for many moves: 28.�a7! This important move creates many tactical ideas against the black king. 28 . . . c4 29.�h3 '!:Ne2t 30.�f2! '!:Nh5 The white rook is untouchable as 30 . . .�xf2? leads to mate-in-5 after 3 1 .�e6t <j;>h8 32.lt:lf7t �xf7 33.�a8t and so on. 3 1 .�d2 �e3 There are no other good squares for Black's bishop. 32.�g7t <j;>h8 33.lt:lf7t �xf7 34.�xf7 <j;>g8 And only now in the game Valeinis Claridge, e-mail 2004, did White go wrong with 35.�f6, which soon led to a draw. Instead the right move was:

h

26.f4!? This is a clear improvement over 26 . .ie3 '!:Nh4 27.f4 .ixf4 28.�xf4 �xf4, as in Johansen Yndesdal, corr. 1 993, when Black's coun terplay should be enough for a draw. 26. .id4t 27.<j;>h2 '!:Nh4tN I also examined the dangerous-looking 27... g5, but White is firmly in control after 28.�a3! gxf4 29.�xf4 �xf4 30.�g3± and the d-pawn should decide the game. .

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200

Benoni Systems

This gains a big advantage for White. For example: 3s . . .ixf4t 3S ... f8 10ses to 36.ltJg3. 36. g2 f8 The only challenging move; White obtains a decisive advantage after 36 ...ixd2 37.ixd2 iWxdS 38.ig4! followed by 39.if3. 37.l='i:a7 ixd2 If instead 37 ... gS then White gains a big advantage with 38.l='i:a8t f7 39.l='i:f2 l='i:xh6 40.l='i:f3!. 38.ixd2 iWe2t 38 ... b4 10ses neatly to 39.l='i:a8t f7 40.ltJgSt e7 4 1 .l='i:a7t d6 42.g3! with a decisive attack. 39.gl iWd l t Black cannot take the knight with 39 ...iWxe4 due to a forced mate after 40.ib4t g8 4 1 .l='i:a8t f7 42.l='i:f8#. 4o.if1 iWg4t 4 1 .ig2 iWdl t 42.h2 iWhSt 43. g3+Black has no chance of stopping White's attack.

28.ih3 iWhS Black tries to penetrate with his queen to e2, but White has his own attacking ideas, once again thanks to his little h6-pawn. 29.g3 White sacrifices his central pawn, but frees his bishop. 29 ...iWxdS 3o.lLlgS!

30 ...iWb3t The white knight is untouchable, as 30 . . .iWxd6? 3 1 .ie6t h8 32.l='i:a7 wins for White. 3 1 .g2 White's attack looks very dangerous. For example: 3 1 ...l='i:f6 32.ltJde4 l='i:fb6 33.l='i:a7± Conclusion: The Modern Benoni is a dangerous practical weapon, as Black often has tactical tricks. I am very satisfied with the work I did in this chapter, and hopefully now White players will test the main lines I recommend, instead of varying with a variation such as l O.if4 in line C, which seems pretty soft to me.

Benoni Systems Benko Gambit Variation Index 1.d4 ctJf6 2.c4 c5 3.d5 b5 4.cxb5

A) 4... e6 B) 4 . a6 5.bxa6 Bl) 5 ...�xa6 B2) 5 ... e6 B3) 5 ... g6 6.ctJc3 �xa6 7.g3 d6 8.�g2 �g7 9.ctJf3 B3 1) 9 ... ctJfd7!? B32) 9 ... ctJbd7 10J:!b l ! B321 ) 1 0 ... ctJb6 B322) 1 0 ... 0-0 1 1 .0-0 B322 1) 1 1 ... ctJb6 B3222) 1 1 ...ctJe8 B3223) 1 1 . . .'lWa5 12.�d2 B3223 1) 1 2 ... ctJg4 B32232) 1 2...�fb8 1 3.'lWc2 B32232 1) 1 3 ...'lWc7 B322322) 1 3 ... ctJ e8 B322323) 1 3 ... ctJg4

202 203 203 204 206 206 208 209 210 211 212 213 21 4 215 216 217 217

..

B3 1 ) after 10 ... ctJb6

B3222) after l S . . .ctJf6

B32232 1 ) after 2 l ...e6 8 7 6 5 4 3 2

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202

Benoni Systems

l .d4 lLlf6 2.c4 c5 3.d5 b5

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The original name of this opening was the Volga Gambit, named after the Volga River in Russia, At the end of the 1 960s this variation was also promoted by Pal Benko, who provided many new suggestions. The name Benko Gambit stuck, and is particularly used in English-speaking countries,

4.cxb5 Here Black has the alternative A) 4...e6 to the much more popular move, B) 4...a6. A) 4...e6 In general this is a very rare continuation, but even so there are more than 200 games in my database! I do not rate this move highly, so I can hardly believe it might be a serious alternative to the main 4."a6. My editor told me it is possible that this is actually the Volga Gambit, and that 4."a6 is the Benko Gambit, if you look at the names in a historical context. However, I am unsure if this is really the case and also I am not writing about chess history in this book, so I have decided to deal with the moves rather than the names.

5.llJc3 exd5 6.llJxd5 �b7

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7.e4! In my opinion this strong move promises White a clear advantage. Instead after 7.ttJxf6t �xf6 Black has reasonable compensation. Mter the text move Black has several options, but none of them promise him equal play. 7... a6 This is probably the main move, but a few others also have a right to exist. 7."lLlxd5 8,exd5 d6 9.lLle2! It is a very good idea to transfer this knight to c3, where it will be perfectly placed, protecting both the b5- and d5-pawns. 9 ... ie7 1 0.lLlc3 0-0 1 1 .ie2 lLld7 If 1 L..a6 then White should simply play: 1 2.0-0 (instead 1 2.bxa6 lLlxa6 allowed Black reasonable compensation in Kozul Trkulja, Sarajevo 1 998) 1 2 ... axb5 13.!xb5 lLla6 1 4.�el if6 1 5.if4 lLlb4 1 6.ic4 With a clear advantage. 1 2.0-0 �e8 1 3.if4 lLlb6 14.if3 if6 This position was reached in Citak - Werner, Budapest 2007. 1 5.a4!?N ttJc4 1 6.�b3 lLle5 1 7.ie4 This would have secured White a clear advantage. It would be very risky for Black to capture the central pawn: 7".lLlxe4?! 8.ic4 and

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Chapter 1 4 - Benko Gambit White's initiative is extremely dangerous. For example: a) 8 . . .�e7 9.tL'lf3 tL'ld6 And now the easiest would have been 1 0.�e2! (instead 1 O.�b3 was Skomorokhin - Fedoseev, Novgorod 1 998) 10 . . . 0-0 1 1 .0-0 a6 1 2.E\e l ! axb5 1 3.�f4 tL'le8 1 4.�xb5 �f6 1 5 .�c4 Not only is White a pawn up, he also has a great positional advantage. b) 8 . . . tL'ld6? simply loses to 9.�f4 �e7 1O.�e2.

c) 8 . . .�d6 9.tL'lf3 0-0 1 0.0-0 a6 l 1 .b6 tL'lc6 12.E\e l E\e8 1 3 .Wd3± with clear advantage III Grabliauskas - Vreedenborg, Berlin 1 997. 7. . .�e7 8 .�c4 0-0 9.tL'le2 tL'lxe4 1 0.�f4 �d6 1 1 .0-0 �xf4 1 2.tL'lexf4 gave White a clear positional advantage, due to his control of the d5-square, in Goldin - Tate, USA 2006.

8.bxa6 8.tL'lf3!?N might also be an interesting idea: 8 ...axb5 (White is better after 8 ... tL'lxd5 9.exd5 axb5 1 0.Wb3!) 9.�g5 c4 1 0.�xf6 gxf6 1 1 .�e2 With very promising play for White. 8 ... tL'lxa6 9.i.c4 llJb4 1 0.llJxb4 cxb4 1 1 .Wfb3!? W'e7 1 2.llJe2 llJxe4 13.0-0 llJc5 1 4.'1Wg3

Black had allowed White to build up a serious initiative in Gleizerov - Capece, Ticino 1 993.

B) 4...a6 5.bxa6 I n my opinion, only by accepting the pawn sacrifice can White fight for a real advantage in this opening. The suggested main line in this chapter is the one generally considered to give Black the most problems these days. The 1 0th move, which characterizes this line, was first played back in the mid- 1 980s, but was later popularized by Vladimir Epishin, who won almost all of his dozen or so games with it. This led to other strong players taking it up, such as Van Wely, Yusupov, Kramnik, and even yours truly on a couple of occasions.

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Black usually develops his bishop to g7, as this is known to be the best line. There are two sidelines, one with early queen moves and one that involves more immediate action in the centre. Our three lines are: BI) 5 ...i.xa6, B2) 5 e6 and the big main line with B3) 5 ... g6. .•.

B I ) 5 ha6 .••

Some sources claim this move is imprecise, but as Black has no better move than 6 . . . g6 after

204

Benoni Systems

6.lilc3, there is no reason for us to look out for an imprecise move order, which might not be imprecise anyway.

B2) S ... e6 6.ttJc3 ttJxdS 7.CtJxdS exdS 8.WfxdS ttJc6

6.lilc3 WfaS?! I found more than 80 games with this position in my database. Instead Black could of course transpose back to the normal lines with 6 ... g6, but as White also had some additional options on move 6, this would be an illogical move order for Black to choose. 7.id2 Wfb6 White has tried every possible move here, but I like the concrete approach: a

8.Wfb3! Wfxb3 Black has no time to switch to positional play: 8 . . .'Wc7 9.lilf3 g6 1 0.e4 �xfl 1 1 .rj;Jxfl d6 1 2.e5! and White launches a decisive attack. 9.axb3 ib7 lOJha8 ixa8 1 l.e4 e6 And here White could have claimed a clear advantage with: 1 2.if4!N An improvement over 1 2.ic4 lilxe4 1 3.lilge2 lilxd2 1 4.rj;Jxd2, which was also successful in B. Lalic - Fong, Saint John 1 988. There are still many such improvements to be found in the sidelines of the openings, as most of the positions were first seen not in home preparation but over-the-board, which means that the players could not consult their external brains (Fritz). 12 ...d6 1 3.ibSt @d8 14.ttJa exdS l S.ttJgS! The f7-pawn cannot be defended, as 1 5 ... rj;Je7 runs into the tactical blow 16.ixd6t, followed by 1 7.lilxf7t. lS ..J!g8 1 6.CtJxf7t @c7 17.ie2 ttJxe4 1 8.ttJxe4 dxe4 1 9.ic4! Followed by 20.lilxd6 with an extra pawn.

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This tricky sideline has been played recently by the Tutkmen GM Annageldyev. Black's idea is to play not only on the queenside, but also in the centre using his slight lead in development. Nevertheless this idea seems dubious to me and with precise play White obtains the bener chances.

9.CtJa White has other options as well, but the straightforward idea of lilf3-e5 looks best. 9 ...ixa6 Another line goes: 9 . . .ie7 1 0 .lile5 0-0 1 0 . . . lilxe5? 1 1 .'Wxa8 was losing for Black in Minev - Spirov, Albena 1 973. 1 1 .lilxc6 dxc6 1 2.Wfxd8 �xd8 1 3.e3 if6 Black's main problem is that his doubled c-pawns will be clear targets of attack in any rook endgames. 14.ic4 ixa6 1 5.ixa6 �xa6 1 6.rj;Je2 �b8 1 6 . . . c4 1 7.�d 1 (In his annotations Atalik recommended 1 7 .a3 �b6 1 8.�a2 �db8 1 9.�d 1 , but after 1 9 . . .ixb2 20.ixb2 �xb2t 2 1 .�xb2 �xb2t 22.rj;Jf3 g6 23.�c1 �b3 24.�xc4 �xa3 25.�xc6 h5 the endgame is objectively drawish.) 17 ...�b8

Chapter 1 4 - Benko Gambit I S. Wd2! transposes to the main line after 1 6 ... :gbS. 17.:gdl c4 I S .'�d2! :gab6 Black has some other options: I S ... WfS 1 9.Wc2 We7 20.a3 and White should convert his extra pawn, Sahovic - Rogers, Nis 1 9S5. Also 20.f4!? is interesting. After I S ...i.xb2 1 9.i.xb2 :gxb2t 20.Wc3 :gbS 2 1 .a4!± the endgame is very difficult for Black. 19.a4! Only like this! Instead 1 9.c2 i.xb2 20.:gb 1 .!f6! 2 1 .:gxb6 :gxb6 should be an easy draw. 19 ... h5 The point behind White's play can be seen in the following line: 1 9 . . ..!xb2 20 ..!xb2 :gxb2t 2 1 .Wc3 :gxf2 22.a5 :gaS 23.a6 And White's passed pawn should easily decide the game. 20.a5 :ga6 2 1 .Wc2 :gb5 This position was reached in Atalik Annageldyev, Turkey 2007, and now the easiest would be: 2Hla4 :gaxa5 23.:gxc4 :ga2 24.Wbl :gaxb2t 25.i.xb2 :gxb2t 26.Wcl :gxf2 27.:gc2 :gxc2t 2S.Wxc2 The endgame should be winning for White. The reader might be slightly surprised by the length of this line, but it is really very important for the evaluation of White's idea of tZlf3-e5.

lO..!d2 I have spent a few hours analysing 1 0.tiJe5 tZlxe5 1 1 .\¥Txe5t i.e7! (after 1 1 . ..\¥Te7 1 2.i.f4! Wixe5 l 3.i.xe5 f6 1 4 . .!c3 d5 1 5.e3 Black has no compensation for the pawn) 1 2.\¥Txg7 .!f6, but however unlikely it seems, it appears that Black has reasonable compensation for two pawns. lo...ie7

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l 1.e4!N This natural move appears to be a novelty, and in my opinion it significantly improves White's prospects. Previously White has tried only 1 1 .e3 and 1 1 .'!c3. I 1..JWb6 Another line runs I l .. .i.xfl 1 2.WxfI 0-0 l 3.g3 tiJb4 1 4 ..!xb4 cxb4 1 5.c;t>g2 :ga5 I 6.\¥Tb3 \¥TaS 1 7.:ghe1 when Black does not have sufficient compensation for the pawn. 1 2.ixa6 'lWxa6 1 3.tiJe5! The point, as otherwise Black could count on reasonable compensation. 1 3 ... 0-0 White is clearly better after 1 3 . . . tiJxe5 I 4.\¥Txe5 \¥Te6 I 5.i.c3. 14.tiJc4 By closing the fl-a6 diagonal White solves his king's problem; now he is ready to castle short. 14 ... tiJd4 1 5.0-0 etJc2 1 5 . . .\¥Te6 I 6.a4± does not bring Black relief either. 1 6.:gac1 etJd4 17.:gfe1 'lWxa2 1 8.'lWxd7 I S .i.e3 tiJb3 1 9 .:gcd l :ga7 20.:gd3!? looks very interesting as well.

206

Benoni Systems

1 8.. J�a7

7.g3 Recently this has been the most fashionable direction for White in the Benko Gambit. 7 ... d6 8.iLg2 iLg7 9.ttJf3 Now there is a split determined by which knight Black places on d7. Line B31 is 9 ... ttJfd7!? and B32 is 9 ... ttJbd7. B31 ) 9 ... CLJfd7!?

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19.Wg4 White is a healthy pawn up.

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B3) 5 g6 6.ttJc3 iLxa6 ...

After this brief digression into variations that are not usually considered to be part of the Benko Gambit, it is time to take on the main variation.

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At first sight this looks a bit artificial, but in fact it contains a healthy positional plan: Black increases his pressure along the long dark diagonal, not allowing White to play �bl and b2-b3, as he will in the main line. The d7knight heads for b6 and hopefully on to c4, while the other knight will often be developed from a6 to b4 or c7. I have spent a few hours analysing this line and have managed to find an attractive idea that I would like to share:

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By sacrificing the pawn Black gets good control of the big diagonal and can exert pressure down the half-open a- and b-files. These are benefits which can last well into the endgame and so, unusually for a gambit Black does not generally mind of queens swap.

1O.Wc2 Another interesting line is: 1 0.0-0 tLlb6 1 1 .�c2 0-0 (instead 1 1 . ..lLlc4 would be premature due to 1 2.lLld2! �a5 1 3.lLlxc4 ixc4 1 4.id2± and White achieves his optimal set up) 1 2.�d l lLl8d7 1 3.if4 White's idea is that after 1 3 . . . lLlc4 1 4.lLld2 �a5 1 5.lLlxc4 ixc4 1 6.id2± he once again has the ideal set-up, as in Kraidman P. Olsen, Kusadasi 1 990. -

Chapter 1 4 - Benko Gambit

lO ... ctJb6 Premature would be 1 0 ... 0-0, as it allows White to launch a dangerous offensive against Black's king: 1 1 .h4! CDf6 1 2.h5 And if 1 2 . . . CDxh5 then White continues with 1 3.:8:xh5! gxh5 1 4.CDg5 f5 1 5.CDe6± with a dangerous initiative. 1 1.h4!?N

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1 l . ..�b7 1 2.e4 CDa6 A typical idea in this variation; Black's knight often comes into the game via a6. 1 3.h5 CDb4 1 4.'lWd l �a6 1 5.�fl A very tense position has arisen, but I would definitely prefer White. The following is just a rough variation: 1 5 . . .'lWcS 1 6.a3 �xfl 1 7.cj;Jxfl 'lWa6t l S.cj;Jg2 CDd3 This all looks very logical and attractive, but the h-file is a very important detail: 1 9.hxg6 hxg6 20.:8:xhSt �xhS 2 1 .Wh 1 ! �xc3 22.bxc3 CDxcl 23.:8:xcl White is clearly better, as he will combine an offensive against Black's king with an attack on the V-pawn. 1 l ...CDc4 1 2.CDd2! ( l 2.h5 'lWa5 is less clear) 1 2 . . . CDd7 ( l 2 . . . 'lWa5 1 3.CDxc4 �xc4 14.�d2 is similar, and White also has clearly better chances) 1 3.CDxc4 �xc4 1 4.b3 �a6 1 5.h5 Wa5 1 6.�d2 White is clearly better.

I find that it is quite logical to generate some activity on the kingside in reply to Black's knight manoeuvre to the queenside.

1 2.ttJh2!?

8 i:� � . � �i§ 7 ......_n.. '/.wi_.... ·Y6 i'�ilI�f '.r� 5 �/y.....;.�� ;;.... 4 �" �%."/h � �� % � � � 3� • � .. 2 ��ii��t?Jl!j 1 /� ... . /.��=.. . . %al! .

1 1...h6 In my view this is Black's best reply. l l . ..h5?! This is clearly inferior as it weakens the g5square. 1 2.CDg5 CDSd7 1 2 . . . 0-0? is poor, as 1 3.g4! gives White a decisive attack. Here White has an interesting tactical solution: 1 3.CDe6! fxe6 1 4.'lWxg6t cj;JfS 1 5.dxe6 CDe5 1 6.'lWf5t cj;JgS 1 6 ... cj;JeS? loses to 1 7.�c6t!. 1 7.f4 White will regain the piece and keep a clear advantage.

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The knight transfers to g4 where it will have multipurpose functions: firstly, it is ready to support White's offensive i f Black decides to castle short; secondly, it can go to e3, which is a nice square for it, protecting the d5-pawn and also covering the c4-square.

20S

Benoni Systems

1 2 ... lLlsd7 Black gets nowhere with the pseudo active 1 2 ....ic4 1 3 .ttJg4 ttJa6 1 4.ttJe3 ttJb4 1 5 .Wb 1 ± . After 1 2 . . ..ib7 1 3.ttJg4 ttJa6 1 4.ttJe3 ttJb4 1 5 .�b3 0-0 1 6.0-0 Black's set-up does not look very logical to me. For example: 16 .. .f5 ( 1 6 ... l':1bS 1 7.a3 ttJa6 l S.h5 is very unpleasant for Black) 1 7.a3 ttJa6 (Unfortunately for Black, the following aggressive line does not work: 1 7 . . .f4 l S.gxf4 l':1xf4 1 9.�d2 ttJa6 20.�c2 �eS 2 1 .h5! gxh5 22.ttJf5 l':1g4 23.f3 Black is losing an exchange.) l S . .id2 Finally White has mobilized all his pieces, while Black's set-up does not look especially dynamic, so I believe White is clearly better. 1 2 ... ttJc4 1 3.h5 g5 1 4.0-0 ttJd7 1 5.ttJg4 transposes to 1 2 ... ttJSd7.

1 3.h5 Premature would be 1 3.ttJg4 h5! 1 4.ttJe3 �d4 1 5 ..id2 ttJf6 and Black has nice play. 1 3 ...g5 1 4.lLlg4 lDc4 Very dangerous is 14 . . . 0-0? as after 1 5.f4 Black faces an i mmediate attack. Then if 1 5 .. .f5 1 6.ttJe3 and the f5-pawn is falling. 1 5.0-0 '\Wa5 1 6.a3!?

We have reached a very complicated position which requires careful evaluation. Black has an optimal set-up for his pieces on the queenside, but White has managed to create some weaknesses on the kingside, and therefore in many cases it would be very dangerous for Black to castle. White has a clear plan to improve his position: he will play Ela2 and after moving his knight from c3 he would be ready to chase away the c4-knight with b2b3. So in general I think White's chances are preferable.

B32) 9 lLlbd7 ...

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10.l':1bl ! The obvious idea o f this move i s to meet Black's ... ttJb6 with a calm b2-b3 (as in line B32 1 ) avoiding any possible penetration by the knight to c4, as well as generally restricting Black's activity on the queenside. The split now is between two main lines: B321 ) 1 0 lLlb6 and B322) 10 ...0-0. •..

One minor option is 1 0 . . .�a5. White should simply react with 1 1 ..id2 ( 1 1 .0-0 tLlb6) and now best for Black would be 1 1 ...0-0, transposing to the main line, since 1 1 ...tLlb6 runs into 1 2.b3 �a3 1 3.0-0 0-0 14.tLle1!. White's queen is still on d 1 , so White has the

Chapter 1 4 - Benko Gambit opportunity to play a lLlel -c2 manoeuvre, chasing Black's queen from a3. 1 4 . . .�b7 1 5.lLlc2 Vlia6 1 6.e4 lLleS 1 7.a4 gave White a clear advantage in Van Wely - Carlsen, Wijk aan Zee 200S.

B321) 10 ... lLlb6 l 1.b3 �c8 Threatening . . .�f5; this slightly artificial manoeuvre was Jan Pinski's recommendation in his book The Benko Gambit in 2005. Another option is: 1 1 . . .�b7 1 2.lLlh4 (White should not play 1 2.e4 in view of 1 2 . . .�a6) 12 ... 0-0 1 3.0-0 lLleS 1 4.Vlid2 lLlc7 1 5.e4 (less convincing would be: 1 5.�b2 �xc3 1 6.Vlixc3 f6 1 7.e4 1':1xa2) 1 5 ... e6 1 6.�b2 exd5 1 7.lLlxd5 lLlbxd5 l S.�xg7 c;t>xg7 1 9.exd5 Vlif6 This position was reached in V. Milov - Tregubov, Germany 200 1 , and now White missed the sttong 20.b4!, which would have secured his advantage.

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This extremely original idea was first employed by the Dutch player Van der Weide. Within a few seconds the computer shows an interesting tactical possibility for Black: 1 3 . . . g5 1 4.lLlf5 �xf5 1 5.Vlixf5 lLlfxd5!? Nevertheless White keeps an advantage with precise play: 1 6.lLlxd5 e6 1 7.Vlid3 lLlxd5 17 . . . exd5 I S.a4 0-0 1 9.h4! is an important resource. Before castling short, White forces a weakness in Black's pawn structure on the kingside. After 19 . . . g4 20.0-0 White is clear!y better. I S.a4 0-0 Black does not get sufficient compensa tion for the exchange after: I S . . .lt:Jb4 1 9.Vlib5t c;t>fS 20.�xaS �c3t 2 1 .�fl VlixaS 22.f3 ± 1 9.h4 g4 20.�xd5 exd5 2 1 .Vlixd5 1':1eS 22.0-0 1':Ixe2 23.�e3 White is clearly better, as he is threatening both 1':Ifd l and Vlic4, attacking the rook on e2 and the g4-pawn.

14.�b2 Much worse is 1 4.0-0?! g5 1 5 .lLlf3 lLlfxd5 1 6.lLlxd5 lLlxd5 and Black regained the pawn and had good play in Epishin - Halkias, Ohrid 200 1 .

12 ...h6 Now 1 3 . . . g5 followed by . . .�f5 is Black's intention.

14... gS I s.lLlf3 VlifS The black queen transfers to the kingside in order to generate some counterplay against White's king. Another option is 1 5 ...�b7 1 6.1':Id l 0-0 1 7.0-0 lLl fxd5 I s.lLlxd5 lLlxd5 1 9.�xg7 �xg7 20.lLlxg5! hxg5 2 1 .�xd5 and White was simply a pawn up in Gustafsson - S. Kasparov, Germany 2002.

13.Vlic2 Vlid7

1 6.e4 Vlig6 17.0-0 0-0

210

Benoni Systems

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Black does indeed have some interesting ideas on the kingside and White must play accurately to quell the danger. I finally came to the conclusion that White's best option is:

I S.gfcl!?N Defending against tricks with ... ltJxd5. I found the other moves less convincing. For example: I S.gfd l ig4 1 9.h3 ixf3 2o.ixf3 h5 2 1 .a4 g4 22.hxg4 hxg4 23.ig2 ltJfd7 24.ltJe2 ixb2 25.�xb2 ltJe5 Black has reasonable compensation thanks to his strong knight on e5, Breier - Van der Weide, Groningen 1 999. We should also note that the careless I S.gbc 1 ? allows I S . . . ltJxe4. I S ... ctJg4 I s ...ig4 can simply be met with 1 9.1tJd2 when White is better. 1 9.a4 f5 20.h3 ctJeS 20 ... ltJxf2? does not work due to 2 1 .�xf2 ixc3 22.ixc3 fxe4 23.�gl and White is winning. 21.ctJxeS ixeS 22.ctJbS! ixb2 23.gxb2 f4 24.eS! 'lWxc2 2S.gbxc2 White is clearly better, as Black has no compensation for the pawn. B322) 10 ... 0-0

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This is definitely the main move.

1 1 .0-0 Here the three main options are B3221) 1 1 ...lbb6, B3222) 1 1...ctJeS and the hugely popular B3223) 1 1...'lWaS. Besides these lines, we will also briefly consider the following options: 1 1 ...�b6?! This is a relatively rare set-up, and indeed it is not so clear what Black's queen is doing on b6. 1 2.b3 gfbS Or 12 . . . :gabS 1 3.\Wc2 :gfcS 14.id2 e6 1 5 .dxe6 fxe6 16.:gfd l d5 1 7.if4 :gaS IS.tZle5 ib7 1 9.1tJc4! \Wa6 20.ltJd6 and White had a clear edge in Piket - Baklan, Germany 1999. 1 3.�c2 �b7 1 4.:gd l ltJeS 1 5 .e4 ltJc7 16.a4± White has improved his position by making all the standard useful moves, while I cannot find any logic in Black's play, Skomorokhin Andreev, St Petersburg 1 996. l l ...ltJg4 This typical knight j ump is not popular in this particular position. White's best reply is: 1 2.id2! Because after 1 2.�c2 Black is j ust in time to get his play going with 1 2 . . . ltJge5 13.tZlxe5 ltJxe5 1 4.b3 �a5 1 5.id2 �a3!.

Chapter 1 4 - Benko Gambit I 2 ... 4Jge5 1 3 .tZl xe5 4Jxe5 I 4.b3 Wa5 And here we are not obliged to play I 5.Wc2, but instead have a stronger option in: I 5 .We l ! Preventing Black from playing the annoying ...Wa3. I 5 ... l"Ub8 1 6.a4 White has an advantage, as we have reached the "optimal" set-up.

B3221) 1 1...ttJb6 This is quite a popular line.

12.b3 Naturally we reply with this obligatory move.

a) 1 2 ... Wc7

This looks rather dubious, as c7 is not such a good square for the black queen. 13.ib2 White's most popular reply is 1 3.l"1e 1 ?! but I found an unexpected nuance: 1 3 ... 4Jg4!N 14.ib2 ixc3 1 5.ixc3 ib7 1 6.e4 l"1xa2°o And here it works perfectly for Black, as White has to waste a tempo defending the f2-pawn!

21 1

1 3 ... e6 Once again this idea does not work. 1 4.dxe6 fxe6 1 5.4Jg5 l"1ae8 1 6.ih3 e5 1 7.a4 White had a great positional advantage in Barsov - Gunnarsson, Istanbul (01) 2000.

b) 1 2 ... l"1a7 1 3.ib2 Also good enough is 1 3.a4 as In Piket Topalov, Wijk aan Zee 1 999. 1 3 ...Wa8 13 ... e6 opens up the play in White's favour: 1 4.dxe6 fxe6 1 5.4Jg5 We7 1 6.ih3! e5 1 7.a4 With a clear positional edge, Chatalbashev Vafiadis, Thessaloniki 2007. 1 4.4Jh4 l"1b8 White has tried several moves here, but the most precise seems to be: 1 5.Wd2 4Jbd7 1 5 ... 4Jfd7 1 6.a4 gives White the advantage. 1 6.4Jf3 White is gradually improving his position, while Black cannot create any serious play, Sakalauskas - Savickas, Lithuania (ch) 2007. c) 1 2 ...ib7 1 3.e4 e6?! This idea usually does not work, and this position is no exception. 1 4.dxe6 4Jxe4 1 5.4Jxe4 ixe4 1 6.exf7t �h8 After 1 6 . . . l"1xf7 White gains a decisive advantage with the help of a nice tactical operation: 1 7.4Jg5 ixb 1 1 8.4Jxf7 �xf7 1 9.i.d5t! 4Jxd5 ( l 9 . . . �f8 loses to 20.i.xa8 4Jxa8 2 1 .Wf3t �g8 [2 l .. .i.f5 fails to 22.g4] 22.Wd5t �h8 23.i.g5 Followed by l"1b l .) 20.Wxd5t �f8 2 1 .ig5 Wb8 22.l"1xb 1 l"1xa2 23.l"1e 1 Black is losing his c- and d-pawns, at the very least. 1 7.l"1b2! White had a clear advantage in Olarasu Bozinovic, Nova Gorica 2007.

1 3.i.b2 ttJc7 Black could have regained the pawn with 1 3 ...i.xc3 1 4.i.xc3 i.b7 I 5.e4 l"1xa2, but

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after 1 6.b4 White still has strong positional pressure.

14.Wd2! This smart move tactically defends the d5pawn. Less accurate is 1 4.ct:Jh4?! �xc3! 1 5.�xc3 �b7 1 6.e4 ct:Jb5! (winning an important tempo) 1 7.�a1 �xa2 with balanced play.

14... �a7 Instead 1 4 . . . �xc3? would fal l straight into White's trap: 1 5.�xc3 ct:Jbxd5 (better is 1 5 . . .f6 even though after 1 6.ct:Jh4 White's advantage is indisputable) 1 6.Wh6! The point of White's 1 4th move. 1 6 . . . e5 1 7.ct:Jg5 ct:J f6 1 8.f4 White quickly developed a killing attack in Harikrishna - Tregubov, Internet (blitz) 2004. 1 5.�fel White logically prepares the e2-e4 advance. 1 5 ... .!b7 16.e4 WaS 1 6 .. . f5 is met strongly by 1 7.ct:Jg5 with an advantage to White. 17.a4± Black did not manage to create any counterplay in Dorfman - Degraeve, France (ch) 2003. B3222) 1 l ... ct:Je8 Planning ...ct:Je8-c7-b5 with the idea of exchanging a pair of knights, which would clearly favour Black, as the white knight is an important defender on the queens ide.

1 2.Wc2 In 2000 I employed the following interesting idea: 1 2.�e1 ct:Jc7 1 3 .e4 ct:Jb5 Later Black i mproved his play with 13 ... �c4

14.a3 Wb8 and the weakness of the b3-square gave Black decent counterplay. 1 5.�f4 (or 1 5.�g5 �e8) 1 5 . . .�xc3!? 1 6.bxc3 Wa7 With reasonable compensation for the pawn in Kongsted - G. Jones Copenhagen 2005. 1 4.ct:Je2! White was better in Avrukh - Hendriks, Wijk aan Zee 2000.

12 ... ct:Jc7

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1 3.�dl 1 3.a4 was first played by Grischuk in a game against Tregubov in France in 2005. Despite White's perfect score with 1 3. a4, I believe Black is fine after 1 3 ...�xc3!. We should note that capturing on c3 followed by ...�c4, winning either the d5- or a2-pawns, is a typical manoeuvre by Black. 1 4.bxc3 �c4 1 5.l"\d1 �xd5°o It is difficult for White to use the long diagonal, while Black has clear play on the queenside, Jirka - Plischki, Olomouc 2006. 1 3 ....!xc3 Black's most ambitious continuation. Another line is: 1 3 ... ct:Jb5 14.ct:Jxb5 �xb5 1 5.b3 Wb6 White is ready for 1 5 ... c4?! 16.ct:Jd4 cxb3 17.axb3 and Black faces a tough choice: either to give up his dark-squared bishop, or to allow White's knight to penetrate to cG.

Chapter 1 4 - Benko Gambit 16.a4 White has achieved the optimal pawn configuration on the queenside. I believe the following encounter is a good example of White's plan: 16 ...�a6 1 7.e4 White had an opportunity to play 1 7.�b2?!, but I believe this would be inaccurate, as after the dark-squared bishops are traded Black would gain the important b4-square for his queen. 17 ...l"lfb8 1 8 .�e3 Wld8 1 9.h3 This move is usually a useful prophylactic measure. 19 ... l"lb7 20.ttJd2 l"lab8 2 1 .�fl ! Swapping the light-squared bishops is an important strategic idea, in order to establish control over the c4-square and later on even the b5-square. 2 l ...�xfl 22.Wxfl Wla5 This was Shaidullina - Pogonina, Orel 2006, and here White should have continued: 23.ttJc4 Wla6 24.Wg2 ttJe5 25.ttJa3! Followed by ttJb5 with a pleasant advantage.

14.Wlxc3 .ixe2 1 5 ..ih6 ttJf6

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Then 1 6 . . .�xf3 1 7.�xf3 l"le8 leads to mutual chances.

1 6 ... ttJcxd5 The main point is of course that after 1 6 . . .�xf3 1 7.�xf8 White is attacking the e7pawn. 17.�d2 White wins an exchange and I do not think Black's compensation is sufficient. 17 .ib5 1 7 ...�xf3 does not change the assessment: 1 8.�xf3 e6 1 9.�xf8 Wxf8 20.a3 White has a clear plan: to prepare the b2-b4 advance. ..•

1 8 ..ixfS �xfS 1 9.ttJg5 .ic6 20.a3 e6 2 1 .l"lbc1� Black definitely has some compensation for the exchange, but White's chances are preferable. B3223) 1 1 ...�a5

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4 �� ;,/,,��.��

3 m :0: mtZJr� 2 ��"'' ;m�dj£� .�D;� � . ="" 1

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This is by far Black's most popular option. In my opinion this is the real starting position of the whole system. The further play contains various strategic ideas: White's main plan is to get his pawns to b3 and a4 with his bishop on d2, which we will call the optimal set-up,

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Benoni Systems

while Black logically should try to prevent White from achieving this set-up. Black has two main strategic ideas: the first is to put his queen on a3, blocking White's a-pawn and thus preventing a2-a4, and the second is to play . . . c5-c4 at an appropriate moment.

1 2.id2 I always thought that White should first play Wic2 and :gdl , and only then decide where to develop his bishop, but I have changed my opinion due to the games of a great Benko expert, Pavel Tregubov, who has recently answered 1 2.Wic2 with 1 2 ... tLl b6! and gained excellent play. Now Black has a choice between B32231) 1 2 tt::l g4 and the main move, B32232) 1 2 . :gfbS. ...

..

Instead 12 ... tLl b6?! now makes no sense due to l 3.b3 Wia3 14.tLl e 1 ! transposing to the aforementioned Van Wely - Carlsen game (the 1 0 ...Wia5 minor line on page 20S-209) .

B32231 ) 1 2 lLlg4 ...

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Now I believe I have found a strong move that is connected with a new concept.

l3.Wiel !

Let's have a brief look a t White's other options: 1 3.a4 tLl b6 14.h3 tLle5 1 5.tLlg5 This is also my idea, but Black gets plenty of counterplay after 1 5 ... tLlbc4 1 6.ie1 Wib6 1 7.b3 tLla5 with double-edged play. I also tried 1 3 .h3 tLlge5 1 4.tLlxe5 tLlxe5 1 5.Wic 1 , but Black is just in time to create some play: 1 5 ... :gfbS (after 1 5 ... tLlc4 1 6.ih6 ixh6 1 7.Wixh6 :gfbS l S.tLle4 f6 1 9.h4 White would gain some activity on the kingside) 1 6.b3 c4? 1 3 .'lWc2 tLlge5 1 4.tLlxe5 tLlxe5 1 5.b3 looks natural, but Black has time for 1 5 ...'lWa3!. Actually this line helped me to generate the idea of 13.Wic 1 . I have analysed this position quite intensively and concluded Black is simply fine. The most recent game continued: 1 6.icl Wia5 1 7.ib2 ( l 7.a4 runs into 1 7 ... tLlf3t! l s.ixf3 Wixc3 1 9.Wixc3 ixc3 and next Black will double rooks along the b-file, when the b3-pawn becomes a real target.) 1 7 . . . c4 Black had good counterplay in Flear - Tregubov, Clichy 200S.

Chapter 1 4 - Benko Gambit 1 3 ... l"lfbS 1 4.b3 c4 1 4 . . . �xc3? does not work due to l S.�xc3 '&xa2 1 6.lLld2 when the black queen is trapped on a2 and is helpless against l"la1 . l S .h3 lLlgeS 1 6.lLld4! Usually if White manages to play lLld4 after ... cS-c4 then he keeps his advantage. 16 ... cxb3 1 6 ... lLlcS 1 7."&c2 cxb3 l S.axb3 leaves White with a clear advantage. 17.ttJc6! Only not 1 7.axb3? lLld3! followed by l S ...�xd4. 17 .. .t2:lxc6 l S.dxc6 lLlcS l S . . . bxa2 1 9.1"lxbSt l"lxbS 20.cxd7 is losing for Black. 19.ttJdS "&xa2 20.ttJxe7t �fS 2 1 .c7 Black cannot avoid losing material. 13 ...�xc3 Objectively this is not the best move, but actually it is the critical test of my idea. 1 4.�xc3 "&xa2 l S.l"la1 "&c4 (if l S" '''&b3 then 16,,,&gS lLlgf6 1 7.lLlh4! allows White to develop a strong attack with the idea of lLlfS) 16.h3 lLlgf6 ( l 6 ... ttJgeS runs into 1 7.lLlxeS dxeS l S.d6 exd6 1 9.1"ld l ! with a big advantage for White) 1 7."&h6 �b7 l S .e4 l"lxa1 1 9.1"lxa1 ElaS 20.l"le1 It is hard to believe Black can hold this position.

14.lLlxeS lLlxeS l S.b3 l"ltb8 1 6.a4;!;

21S

White has achieved his optimal set-up and should be able to play for a win without any major risks.

B32232) 1 2 ... l"ltb8

1 3.a4 lLlg4 14."&c2 lLlgeS l S .lLlxeS lLlxeS 1 6.b3 "&b4 gives Black reasonable counterplay, and we will examine this position later via a different move order ( l S.a4) . 1 3.b3 lLleS! (and certainly not 1 3 . . .'r,I:-lfa3? 1 4.lLlel ! as we already know) 1 4."&c2 "&a3 l S .�cl "&as 1 6.�b2 c4 Black had counterplay in Epishin - Krivoshey, Graz 200 1 . Now Black has a wide choice berween: B322321) 1 3 ..."&c7, B322322) 1 3 ... ltJe8 and B322323) 13 ... llJg4.

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It should be mentioned in passing that the following line is clearly in White's favour: 1 3 . . . lLlb6 1 4.b3 "&a3 l S.�cl "&as 1 6.l"ld 1 White will gradually be able to improve his pieces. For example: 1 6 ... lLleS 1 7.�b2 lLlc7 l S.e4 �cS 1 9.h3 It would be more accurate to start with

216

Benoni Systems

1 9.a3, which would probably transpose to the game after 1 9 ...�d7 20.h3. 19 . . .�d7 White's last move unnecessarily allowed 1 9 . . .�xc3 20.�xc3 Wxa2 when after 2 1 .Wc1 f6 the position is rather double-edged. 20.a3 '@fa6 2 1 .�dc1 '@fcs 22.�h2 Black failed to create counterplay in Malakhatko - Raznikov, Calvia 2007.

B322321) 1 3 '@fe7 •••

Now this retreat looks quite logical and surprisingly it leads to very concrete play:

Less clear is l S.h3 ltJe5 1 9.�e3 Wa5 as in Goh Koong Jong - Aikhoje, Turin (01) 2006. IS . . . ltJg4 1 9.a4 ltJde5 20.ltJxe5 ltJxe5 21. .�el �a7 2 l . . .c4 22.b4 ltJd3 23.b5 �cS 24.�f1 ! would not help Black either, as White's passed pawns on the queens ide should decide the game. Now in Cox - J. Houska, Sunningdale 2007, White should have played the calm: 22.h3N Threatening 23.f4. 22 ... c4 23.b4 ltJd3 24.b5 �cS Now White has a neat tactical solution: 25.b6! �xb6 26.ltJb5 With a decisive advantage.

16.�fdl ctJfxdS Black can also take with the other knight, 1 6 ... tUbxd5 1 7.ltJxd5 ltJxd5, which simply transposes.

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14.h3 1 4.�fe 1 ?! would allow Black to regain his pawn with 1 4 ...�c4!. 14 ... ctJh6 l S.ctJh4 Less convincing is 1 5.tUg5 '@fb7! 1 6.b4 ( l 6.�fd l ctJbxd5 1 7.tUxd5 tUxd5 is also nne for Black) 1 6 . . . cxb4 1 7.�xb4 '@fc7 with counterplay. l S .. .'IWh7 Another way of playing is: 1 5 . . .�b7 16.e4 �a6 1 7.�fd l ltJbd7 Worse is 1 7 ... ltJg4 I S.h3 ltJe5 1 9.�e3 c4 20.b4 ltJd3 2 1 .ltJf3 with a clear advantage. l S.ltJf3

1 7.ctJxdS ctJxdS 1 8.ih6 ixh6 There is another line to consider: l S ... ltJb4 1 9.'@fd2 tUc6 19 ...�xh6 20.'@fxh6 '@fcs (20 . . . ltJc6 loses to 2 1 .ltJf3 f6 22.ltJh4! and Black is helpless against White's threats) 2 1 .�xaS �xa8 22.ltJf3 Black has insufficient compensation for being an exchange down, L. Williams Situru, Bled (01) 2002. Instead of the "brilliant" 20.ltJf5, White should continue with: 20.�xg7 �xg7 2 1 .b4! With an initiative. 1 9.ixdS '@fe8 1 9 ... '@fb5 was pointed out in Chess Informant as an improvement for Black. I disagree with this claim, as White is better after: 20.ltJxg6 �a7 2 1 .�c4 '@fc6 22.ltJh4 (22.ltJf4 �xf4 23.gxf4 e6 24.�d3 might be an interesting option as well) 22 . . . e6 23.�xa6 '@fxa6 24.a4


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1"lb4 25.tLlf3 'lWb6 26.e4± I do not see any real compensation for the pawn.

Although 1 4.Ei:fe l has been employed by Kramnik, I like the text move more.

20.lLlxg6 Mter 20.ixa8 Ei:xa8 Black has some compensation for the exchange, thanks to his bishop pair.

14... :gb7 Once again White appears to be ready for 1 4 ... c4 1 5.tLlb5 'lWb6 1 6 .ie3 tLlc5, and now instead of 1 7 .'lWc4, as in Moreno Ruiz - Perez Gonzalez, Madrid 2006, White could have secured his advantage with 1 7.tLlbd4 tLlf6 1 8 .b4! cxb3 1 9.tLlxb3±.

20... Ei:a7 2 1 .lLlh4 e6 And now I believe White's best move is:

8 7 6 5 4 3 2 1

1 5.b3 'Wd8 16.:gfe1 :gab8 And now instead of the natural expansion with 1 7.e4, White comes up with a very i nteresting plan: 1 7.lLldl lLlb6 18.lLle3 'Wd7 19.a5 ctJc8 20. lLl c4 White had a clear advantage in Chatalbashev - Remmler, Germany 2008. B322323) 1 3 ... lLlg4

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22.ic4!N I think this is correct because swapping light squared bishops will be useful for White. 22 ... d5 23.ixa6 'Wxa6 24.a4 :gab7 25.lLlf3 Wfa5 26.e3 White has the advantage. B322322) 1 3 ... lLle8 14.a4!

In my opinion this is the most challenging continuation.

1 4.b3 Less convIncIng is 1 4.a4 tLlge5 1 5 .tLlxe5 tLlxe5 1 6.b3, and this position will be examined below in the 1 4 . . . tLlge5 line. 14...'Wa3

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Simply bad is 14 . . . c4?! 1 5.h3 cxb3 1 6.axb3 ttJge5 (maybe the lesser evil would be the ugly 1 6 . . . ttJh6, though after 1 7.Ei:fc l Black can hardly count on compensation with his knight so poorly placed) 1 7.ttJd4 and White's knight penetrates to the c6-square with great effect, Bakalarz - Wehbe, Germany 1 995.

A very important alternative is: 1 4 ...ttJge5

Unfortunately for Black the following line does not work: 1 5 ... c4?! 1 6.b4 �a3 ( l 6 ... Ei:xb4?! loses the exchange after 1 7.lLJe4. The important point of White's ttJel move is that the white queen is protected on c2 and Black cannot escape from the pin with 1 7 ...iWa4.) 1 7.iWe4 (with the idea of playing 1 8.ttJc2) 1 7 . . . ttJf6 1 8.iWd4 Black cannot avoid ttJc2 next, when he has a strategically lost position. 1 6.h3 This transposes to the main line.

l S.h3 White should certainly avoid the following line: 1 5.�cl iWb4 16.�b2, as Black has 1 6 ... c4 at his disposal, gaining good counterplay on the queenside, Orsini - Cremon, Brazil 1 999. l S ... ttJgeS 1 6.ttJel a

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1 5.ttJe l ! This is the only way White can fight for the advantage. The alternatives would allow Black reasonable counterplay: 1 5.a4 iWb4! ( l 5 . . . ttJxf3t 1 6.�xf3 ttJe5 17.�e4! is good for White) 1 6.ttJa2 ( l 6.ttJb5 iWg4 is also okay for Black) 16 ... iWg4 Surprisingly Black's queen is very well placed on g4. Black's immediate threat is 1 7 ...�d3 and in general his position is quite reliable. 1 5.ttJxe5 ttJxe5 1 6.a4 ( l 6.ttJe4 iWa3! cannot be satisfactory for White) 1 6 . . .iWb4 1 7 .ttJe4 ( l 7.ttJa2 iWg4! is good for Black) This important position is playable for Black, but he needs to play the brave: 17 . . .iWa3! I have failed to find any advantage for White. Here is my rough line: 1 8.Ei:fe l Ei:b7 1 9 .�c3 ttJd7! Swapping the dark-squared bishops appears to be in Black's favour, as he takes control of the important b4-square. 20.ttJd2 �xc3 2 1 .iWxc3 iWb4 leads to double-edged play. 1 5 . . .iWa3

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A smooth multipurpose move; firstly, White is threatening to trap Black's knight in the centre with f2-f4, and secondly he is aiming to chase Black's queen from a3 with ttJe1 -c2 after the preparatory iWd l . This is an important position for the whole line; I have come to the conclusion that White's chances are preferable. Now I would like to share my analysis, bur I have a feeling there is still room for improvements.


16...f5 I do not see any point in Black blocking his own dark-squared bishop with 16 ... ltJf6, when after 17.Wid l White easily executes his plan, gaining much better chances. 16 ... ltJb6 1 7.Widl 17.Wie4? is met strongly by 17 ... ltJec4! IS.bxc4 ltJxc4 and Black takes over the initiative. 17 ...ics After 1 7 ...Wia5 I S.Ekl c4?! White achieves his strategic aim: 1 9.1Dc2 cxb3 20.axb3 followed by ltJd4-c6. 17 ... ltJec4?! This unexpected piece sacrifice looks quite attractive, but White can refute it with a series of precise moves: I S.bxc4 lDxc4 19.1Dc2 Wia5 20.E&xbSt E&xbS 2 1 .ltJe4 ltJxd2 22.Wixd2 Wixd2 (22 ...Wixa2 23.E&cl E&b2 24.'lWdl is clearly better for White) 23.ltJxd2 Ei:b2 24.E&cl E&xa2 25.lDf1 ! ixe2 26.lDfe3 Black does not have enough compensation for the piece. l s.lDc2 l S.Ei:c l ! ? is also worth considering. 1 8 ...'lWa5 1 9.a3 19.'lWe 1 ! ? might be an interesting alternative. 19 ...if5 20.ltJe4 Wia6 2 1 .g4 ics 21 ...ixe4 22.ixe4 Wib7 23.a4 e6 24.ltJe3! also leads to an advantage for White. So far we have followed Tunik - 5hevelev, Israel 2003, but here White could have claimed an advantage with energetic play:

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22.f4 lDed7 23 . .ic3

17.f4 tDf7 1 8.tDd3 A worthy alternative is: I s.Widl Wia5 (the a2-pawn is untouchable: I s ...ixc3? 1 9.ixc3 Wixa2? 20.E&b2 Wia3 2 1 .lDc2+-) 1 9.E&f3 c4 20.lDc2 cxb3 2 1 .axb3 In this complicated position I would prefer White. 1 8 c4 1 9.bxc4 .ixc4 20.�h2 •.•

We have reached an interesting posItIon where it might seem Black has succeeded in creating counterplay on the queenside with his ... c5-c4 advance. However, his position has clear drawbacks: his kingside was weakened by ... £7-f5, and his knight is poorly placed on £7. These factors will be relevant for a long time. Now Black can regain the pawn with:

20....ixc3 Another line runs 20 . . . E&cS 2 1 .ltJb4 ixe2 22.E&b3 Wia7 23.E&cl and the threat of lDc6 is very powerful. 2 1..ixc3 E&xbl 22.E&xbl Wixa2 White whips up a dangerous initiative along the long diagonal after:

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23.Widl Wia7 24.E&al Wib7 25.E&xa8t Wixa8 26.tDb4 White has an attractive position.

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Conclusion: In general Black cannot rely on the sidelines in the Benko Gambit (or perhaps just for one game as a surprise weapon) as White has clear cut routes to an advantage in almost every case. The only exception might be 9 tUfd7, where further investigation is definitely required. ...

In the main lines of the Benko, I hope that I have managed to find some good ideas and at this point the situation looks promising for White in the 1 0.E!:bl line. I n my opinion the 1 3 . tUg4 variation is a critical test for White. According to my analysis the final evaluation is rather favourable for White; nevertheless it would be interesting to see a practical test. . .

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Stonewall Variation Variation Index l .d4 f5 2.ttJf3 ttJf6 3.g3 e6 4.�g2 d5 5.0-0 A) 5 ... �e7 6.c4 0-0 7.ttJbd2 AI) 7... ttJc6 A2) 7 ... c6 8.ttJe5 A2l ) 8 ... b6 A22) 8 ...�d7 A23) 8 ... ttJbd7 B) 5 ...�d6 6.c4 c6 7.ttJc3 0-0 8.'!Wc2 B l ) 8 .. .'!We7 B2) 8 ...�d7 B3) 8 ..."lWe8 B4) 8 ... ttJe4 9J!bl B4l ) 9 ...�d7 B42) 9 ... ttJd7 1 0.b4 B42 l) 1 0 ... ttJ df6 B422) 1 0 .. b5!? B43) 9 ... a5 B44) 9 ..."lWe7 10.b4 B44l) 1 0 ...�xb4 B442) 1 0 ... ttJ d7 B443) 1 0 ...�d7 B444) 1 O ... b5

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The Dutch Defence

The Stonewall covers a variety of ideas in the Dutch Defence, particularly when Black's pawns are on c6, d5, e6 and f5 . In this chapter we shall also look at a few positions where the c-pawn does not go to c6, but i n general this is the main idea. But first I want to explain my choice of putting the knight on f3 instead of h3, as is generally recommended against the Stonewall. The issue is the following move order: 1 .d4 e6 2 . c4 f5 3 .g3 tt:l f6 4.i.g2 c6!? Recently this has been very fashionable. It is commonly used by two big experts in the Stonewall, Grandmasters Gleizerov and Ulibin (who incidentally come from the same town). The main point is to force White to play a move such as Wic2, if he wants to choose the system with tt:l h3, as the immediate 5.tt:lh3 can be met by 5 ... d6 with the idea of quickly playing . . . e6-e5, since White's knight does not control the e5-square. After 5.Wic2 d5 6.tt:lh3 a popular variation of the Stonewall arises. This was actually my first choice, but later I found another system, which I will share with the reader, to be quite interesting. It has the advantage of not having to worry about this move order issue, as we are going to develop our knight to f3 regardless. But it is good to be aware of the existence of this move order none the less.

There are other move order issues, and it will always be possible to find an independent line, but hardly one with independent value. Whatever Black does, the bishop needs to go to e7 or d6 very soon. We shall thus split the chapter into line A) 5 ...i.e7 and line B) 5 ...id6.

A) 5 ...i.e7 6.c4 0-0 7.tDhd2 In my opinion this is the best way to fight for an opening advantage. White's play is pretty simple and effective. Now Black can play AI) 7... tDc6 or A2) 7... c6.

AI) 7 tDc6 •..

Among all the side lines where Black refrains from playing ... c7 -c6, I found that only this variation deserves attention. It was once played by Nigel Short.

8.h3

l .d4 f5 2.1L1f3 c!tJf6 3.g3 e6 4.i.g2 d5 5.0-0

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8... tDe4 I also examined: 8 . . . a5 9.a3 It is useful to prevent possible ideas connected with the advance of the a5-pawn. 9 ...i.d7 lO.i.b2 tt:le4

Chapter 1 5 - Stonewall Variation Several games have reached this posmon, but nobody has opted for the right plan:

8 7 6 5 4 3

2

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of ttJd3, ttJf3 and so on, while Black's play is not so obvious. White's chances are clearly preferable.

9.il.b2 il.d7 10.ttJe l ! As we already know, this i s the right plan. 1 O ...il.f6 1 1. ltJ df3 White easily gained a superior position in the following encounter: 1 1 .e3 ttJe7 1 2.ttJd3 a5 1 3.f3 ttJxd2 1 4.\Wxd2 ic6?! 1 5 .ttJc5 \Wc8 1 6.e4! Kengis - Deev, Podolsk 1 990.

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1 1 .ttJe1 !N This knight is heading for d3, while the one on d2 will come to f3 and eventually to e5 under favourable circumstances. Then White will be ready to chase away Black's knight from the centre by means of f2-f3. The following i llustrative line is quite typical: 1 l . . .if6 White was ready to meet the advance of Black's a-pawn: 1 1 . ..a4 1 2.b4 Now it is obviously inferior for Black to capture the c4-pawn with 1 2 ... ttJxd2 1 3.\Wxd2 dxc4 since after 1 4.d5! White is clearly better. 12.l"k1 ie8 13.e3! If 1 3.ttJdf3 then Black gets counterplay with 13 ... a4 1 4.b4 dxc4 1 5.l"lxc4 e5!.

1 1...il.e8 1 2.l"lc1 Vffe7 13. ltJd3 l"ld8 This position was reached in Zilberman - Press, Moscow 1 979. White should have continued slowly improving his position with:

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14.e3!N il.hS Is.Vffc2 White retains the better chances with a very pleasant game. A2) 7 ... c6 8.itJeS

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It is useful for White to strengthen the d4-pawn. White will continue with his plan

A very flexible plan; this knight will transfer to d3 and then the d2-knight comes to f3 and then perhaps e5. Afterwards White will either prepare an advance with f2-f3 and e2-e4, or start his play on the queenside. Here Black has tried A2l ) 8 ... b6, A22) 8 ...il.d7 and A23) 8 ... ltJbd7.

The Dutch Defence

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Al l ) 8 .b6 ..

This plan is not very popular in this particular line. I suspect the main reason is the slight weakening of the e6-pawn, but in fact White can hardly use this factor. Instead I developed the following line for White:

We have reached a typical position for the Stonewall variation, with hanging pawns on c5 and d5. I n this specific case White's chances seem preferable, since Black still has not completed his development and thus White has time to create threats.

14.l'!ac1 .td6 Clearly inferior is 1 4 . . .'WeS 1 5 .'Wb3! �c8 1 6.tDg5!±. Also risky is advancing the d-pawn: 1 4 ... d4 1 5.l'!fd 1 ! i.f6 ( l 5 ...i.d5 runs into 1 6.tDxd4! cxd4 1 7.l'!xd4+- and Black's position is hopeless) 1 6.i.f4 'Wd5 ( l 6 . . . 'We7 1 7.e3 dxe3 l S.i.xe3 leaves White with a clear positional edge) 1 7.h4! White has the better chances.

I S.l'!fdl We? Alternatively, 1 5 . . . l'!eS is hit by the neat: 1 6.tDc4! i.c7 1 7.tDcd2! ltJa6 l S.tDxe4 l"i:xe4 (or l S ... fXe4 1 9.tDg5 d4 20.b4! and Black's centre collapses) 1 9.'Wb3 l'!b4 20.'Wa3±

1 0.tDg5N This might be the reason Black players tefrain from S . . . b6. In fact, after 1 0 ... 'WcS followed by . . . tDe4 he has a perfectly playable position.

I O... ltJe4 1 1..te3 White prepares l'!cl . 1 1 ...cS Otherwise it is not so easy to develop the queen's knight. 1 2.dxcS bxcS 1 2 . . . i.xc5 1 3.i.d4!?;!; should secure White a long-term advantage, thanks to his better pawn structure. 13.cxdS exdS

16.Wb3 fLla6 If 1 6 ... c4 then White has a fine sacrifice: 1 7.tDxc4! dxc4 l S.l'!xc4 <j;JhS 1 9.tDg5 White has a powerful initiative, for instance: 1 9 ... ltJa6 20.tDxe4 i.xe4 2 1 .i.xe4 fXe4 22.l'!c6 ltJc5 23.'Wd5 tDb7 24.l'!xd6 tDxd6 25.'Wxd6±

Chapter 1 5 - Stonewall Variation

17.gxd5!? ixd5 1 8JWxd5t @h8 1 9.CLld3 gad8 20.'We4 White has excellent positional compensation for the exchange. A22) 8 ...id7 This is a thematic idea in Stonewall positions, but in this particular case White has an annoying move:

9.'Wh3!? h5 If 9 .. .'IWb6 then 1 O.ltJdf3 and Black cannot continue his plan, since 1 0 ...ieS is met strongly by l I .ltJg5!.

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We reach the same position after 1 1 .. .'Wb6 1 2.\WxaS \Wc7, while 1 2 . . . ltJa6? does not work on account of 1 3.ltJxd7 ltJxd7 I 4.ltJxc4!+-.

1 2.'Wxa8 'We7 1 3.CLldxe4 The even more positional 13.b3!? also comes into consideration: 1 3 ... cxb3 1 4.ltJxb3 ltJa6 1 5.\wxfSt ixfS 1 6.if4 id6 1 7.ltJd3 ixf4 l S.gxf4;!;, or 1 3 ... c3 1 4.ltJb l ltJa6 1 5.\WxfSt ixfS 1 6.ltJxc3 \Wb6 1 7.e3 'Wxb3 I s.id2 and White starts to penetrate along the b-file. 13 ... ttJa6 14.'WxfBt ixfB 1 5.ttJxd7 CLlxd7 1 6.if4 'Wh7 17.ttJe5 ttJxe5 1 8.he5 'Wxh2 1 9.9fbU I feel that in the long run the two white rooks should be stronger than Black's queen. Certainly the e2-pawn is untouchable in view of 20.ifl . A23) 8 ... ttJhd7 9.ttJd3

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10.a4!?N A surprising tactical idea; previously only l O.cxb5 has been tried. 10... hxe4 Black has two other possibilities: I O ... dxc4 allows White excellent compensation after 1 1 .'Wd l ltJd5 1 2.e4 fxe4 1 3.ltJxe4. lO ... b4 can be answered by I l .ltJdf3 ltJe4 12.ie3 followed by gae l . Black's position looks very dubious.

11.\Wh7 'We8

9 ... ttJe4 This is the main continuation, but of course there are several additional options: 9 ... b6 1 0.�a4 �c7 A very unfortunate square for the queen. (The lesser evil was l o . . .ib7

226

The Dutch Defence

1 1 .ltJf4 Wf7, although after 1 2.ltJf3 ltJe4 13 ..ie3 White retains the better chances.) 1 1 .ltJf3 ltJh5 1 2 ..id2 This was J. Collins Halper, New York 1 955. Next White will continue with :B:ae l , underlining the misplaced position of Black's queen; White's advantage is obvious. Incidentally, White in this game was Jack Collins, the noted American chess teacher whose pupils included Bobby Fischer. 9 . . :�feS This does not make much sense, since White is ready to meet the .. :�'h5 j ump with ltJf4. White has a comfortable advantage. 1 0.b3 Also good is: 1 0.�c2 �h5 1 1 .ltJf4 �f7 1 2.cxd5! (it is always useful to force Black to recapture with the c-pawn on d5, especially when his knight is on d7) 1 2 ... cxd5 1 3.ltJf3 ltJe4 1 4.ltJd3 .id6 This is P. Varga - Kajnih, Eger 1 994, and now the simple 1 5 ..if4 .ixf4 1 6.ltJxf4 would leave White with an obvious positional superiority. 1 0 ... ltJe4 1 1 ..ib2 .if6 1 2.:B:e l <j;>hS 1 3.f3 ltJxd2 This is probably the lesser evil compared with l 3 ... ltJd6 1 4.e4 when White has a large advantage. 1 4.�xd2 dxc4 1 5.bxc4 e5

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This was played in Andersson - Salov, Leningrad 1 9S7. White's edge is undeniable, and now the most accurate continuation

would have been: 1 6.d5!N We7 1 7.e3±

1 O.'IWc2 White needs to defend the c4-pawn in order to continue his plan with ltJf3. lO ltJxd2 The text move is Black's first choice, but he has plenty of alternatives. However, none of them promises Black fully satisfactory play: ...

1 O ... b6? is impossible here in view of 1 1 .cxd5 cxd5 1 2.Wc6 and Black loses material. 1 0 ...�eS 1 1 .ltJf3 g5 This does not make much sense, as Black has no ideas on the kingside, while White slowly but surely carries out his plan. 1 2.ltJfe5 �h5 13.f3 ltJd6 14.b3 ltJeS Otherwise .ia3 was unpleasant. 1 5 ..id2 ltJg7 1 6.:B:ae1 lt:lf6 1 7.�el h6 l S ..ib4 .ixb4 1 9.1tJxb4± White was much better in Cvitan - Sebestyen, Pula 2002. 10 ... ltJdf6 1 1 .ltJf3 .id7 1 2.ltJfe5 .ieS 1 3.lt:lf4!? Beginning concrete action. l 3 ...WcS 14.cxd5 exd5 1 5.f3 ltJd6 1 6 ..id2 a5 1 7.:B:ael White had achieved a pleasant game in Vladimirov Mahmud, Aden 2002. 1 0 ....if6 1 1 .ltJf3 WhS Usually 1 1 ...WeS just transposes to the l l ...WhS-line after 1 2.b3 WhS. 1 2.b3 �eS 13.a4 This move was recommend by Kasparov in Chess Informant 43, as an improvement over his game against Short, which continued: 1 3 ..ia3 :B:gS 1 4.:B:ael a5 1 5 ..ib2 Wh5 16.a4;!; Kasparov - Short, Brussels 1 9S7. l 3 ... a5 1 4 ..ia3 :B:gS 1 5 .ltJfe5 White is totally in control. 1 5 ... ltJxe5 1 6.dxe5 .idS 1 7.f3 ltJg5 1 S . .ib2 %%b8 1 9 ..id4 ltJf7 This was Toshkov - Batchinsky, Geneva 1989, and now the obvious:

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Chapter 1 5 - Stonewall Variation 20.e4N± Would secure White a big advantage.

1 1 ..txd2 ttJf6 Black could also try 1 1 ...ii.f6 1 2.e3 �h8, but after 1 3 .ii.b4 1'%e8 1 4.1'%acl a5 1 5.ii.a3:t White enjoys a stable positional superiority. 12..tf4 .td6 If 1 2 ...ii.d7 then White can start some activity on the queenside by means of 1 3 .a4. 13.1'%adl .txf4 14.lDxf4 g5 1 5.lDd3� White has managed to swap dark-squared bishops, which is one of the main positional ideas. His pieces are optimally placed and he can either play on the queenside or prepare the "programmed" e2-e4 advance in the centre, Hardicsay - Rusniok, Austria 200 1 . B) 5 ....td6 This is a better square for the bishop than e7, according to theory. One of the main ideas is that plans with b2-b3 and ii.a3 are less feasible, compared to when the bishop is on e7, as this square is now available for the queen. But, as we have seen, White does not need this plan in order to play for an advantage. The 5 ...ii.d6 line has been played by many top players on occasion, but especially by Artur Yusupov, who has played this line regularly for the last 2 5 years with phenomenal results.

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Here Black has a number of main options, as well as some secondary ones. It is not necessary to know them all by heart, but it is important to understand the main points of the various lines. The main options are: Bl) 8 .. .'IWe7, B2) 8 ... .td7, B3) 8 . .'W'e8, and the main move B4) 8 lDe4. The lesser options are: .

..•

8 ... a5 9.b3!? White changes the direction ofhis play, using the fact that Black has slightly weakened his queenside. 9 ... ltJa6 1 0.c5 fic7 1 1 .fif4 As we already know, exchanging the dark squared bishops is White's main strategic idea. 1 1 ...ltJd7 1 2.e3 h6 1 3.ltJa4 g5 1 4.ii.xc7 �xc7

6.c4 c6 Black can play 6 ... 0-0 with the idea of answering 7.b3 with 7 ... b6!? as played by the Swedish GM Karlsson. But after 7.tZk3 White would be able to play quickly with �b3, ig5 and maybe even e2-e4, making Black's intended plan seem unattractive, which must be why no one has ever tried it against 7.ltJc3. a

7.ttJc3 0-0 8.�c2

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White's positional advantage was obvious

228

The Dutch Defence

in Pelletier - Kelecevic, Switzerland 1 996. I have very slightly improved on White's play by preventing counterplay i n the centre. 1 5.�d2!N :9:e8 1 6.:9:ac 1 ± Black cannot play 1 6. . . e5? because of 1 7 . dxe5 'tJxe5 1 8 .'tJ b6 :9:b8 1 9.�xa5± winning a pawn. 8 ... dxc4 A rather principled move, but I have always fel t that when Black breaks up his own pawn structure it must favour White. 9.e4 i.e7 Black has also tried 9 . . .i.b4, but in the following encounter White convincingly built up her advantage: 1 0.i.g5 h6 1 1 .i.xf6 �xf6 1 2.�e2! i.xc3 1 3.bxc3 b5 1 4.a4 i.b7 1 5.exf5 exf5 1 6.'tJe5 a6 1 7.axb5 axb5 1 8.:9:xa8 i.xa8 1 9.�a2! The penetration by White's queen p roved decisive in Cmilyte Rozhkova, Dagomys 2008. 8

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8.,,'tJbd7 This allows White to favourably release the tension in the centre.

.i�.t�. z �;i.� .i"� . ' .' ....y.�. r % ' .. , %� f� 'iY._ . .z� ' �� "i' ;� � "

�. f 4 �. �!. Z� �/" . � �z ",d 3 � � . . .l2J� � � 2 �� dif� � ""ziV.�_:= . .. . D 5

1 5 ,a4 i.d7 1 6.axb5 axb5 1 7.i.f4 i.xc6 A necessary sacrifice; Black cannot play 1 7".:9:b6 in view of 1 8.:9:a8! and White wins material. 1 8.�e6t :9:0 No better is 1 8".c;t>h8 1 9.i.xb8 1d7 20.�e5±. 1 9.1xb8 i.d7 20.�e5 i.c6 Black is unable to claim sufficient compensation for being an exchange down because of the following line: 2 1 .d5! 'tJxd5 22.:9:fd 1 1f6 23.:9:xd5 1xd5 24.�xd5 �xd5 25.'tJxd5 i.xb2 26.:9:a8 White should convert his material advantage.

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1 0,exf5!N This concrete approach seems very promising. 1 0".exf5 1 1 .�e2 b5 White is clearly better after 1 L .c;t>h8 1 L:9:e1 i.d6 1 3.�xc4. 1 2.'tJe5 a6 Defending against 1 3.'tJb5, 1 3 .'tJxc6 'tJxc6 1 4.i.xc6 :9:b8 An even worse version for Black is 14" .:9:a7 1 5 .a4± .

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9.cxd5! cxd5 Recapturing with the e-pawn is impossible, because the f5-pawn would be hanging, while 9".'tJxd5 1 0.e4 'tJxc3 1 1 .bxc3 'tJb6 1 2.a4± led to an obvious positional advantage for White in Abregu - Araoz, Buenos Aires 1 993. 1 0.'tJb5 i.b8 1 1 .i.f4 White should play energetically in order to prove his advantage. 1 L .1xf4 1 2.gxf4 'tJb6 Clearly inferior is 1 2".'tJe8 1 3.:9:fc1 a6 1 4.'tJc7 'tJxc7 1 5.�xc7 �xc7 1 6.:9:xc7

Chapter 1 5 - Stonewall Variation lDfG 1 lJ'hc 1 ± , as in Gabdrakhmanov Gubajdullin, Kazan 2007. 1 3.lDc7 Elb8 1 4.lDg5 'lWdG 1 5.'lWc5 Eld8

8 .J�%!)��;� 7 �\jjif i i �\illJ• ,?-'/,.w� ,, % " � 6 � �� . � � """

''''''

_"""i ifi/. �if'i�"m � n ·""/. "�%i' �� if � " "':� � � • � �",, % �""% 3 �%i"�� %i" �� %i' �.8 2 8W � � W �W&� i�""% �.i="" 5 4

7 '%

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IG.Elfc 1 !N An obvious improvement. White failed to pose Black serious problems after I G.'lWxdG ElxdG 1 7.lDb5 Eld8 1 8 .a4 hG 1 9.1Df3 id7= in Bogoljubow - Tartakower, New York 1924. 16 ... hG 1 7.'lWxdG ElxdG I 8.lDf3 id7 1 9.ttJe5 Elc8 Or 1 9 ...icG 20.ttJaG Elc8 2 1 .ttJc5;:!:: and White will soon seize the initiative on the queenside. 20.e3 aG 2 1 .ifl g5 If 2 L..ttJc4 then 22.ixc4 Elxc7 23.id3!± and White is clearly better. 22.fxg5 hxg5 23.id3;:!:: White has the better prospects.

Bl) 8 ...'lWe7

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Black is ready to meet White's plan of Elb 1 and b2-b4, so this is the right moment to change direction.

9.i.g5!? h6 If 9 ... bG 1 0.ttJe5 ib7 1 1 .cxd5 cxd5 1 2 .ttJb5 Elc8 1 3 .'lWb3 lDcG 1 4.lDxcG ixcG 1 5.ttJxd6 'lWxdG 1 G.Elfc 1 and White retains a small but stable advantage. 1 0.i.f4! In my opinion, this is the strongest approach. The weakness of the gG-square might be important if White's knight reaches e5. Black solves his problems quite comfortably after: 1 0.ixfG 'lWxfG 1 1 .Elab l a5 1 2.a3 lDd7 1 3.b4 axb4 1 4.axb4 This was Huzman Ulibin, Antwerp 1 993, and now Black could have captured the pawn with: 1 4 ...dxc4 1 5.b5 (Black has nothing to worry about after 1 5 .e4 e5) 1 5 ... c5 1 G.lDa4 cxd4 1 7.'lWxc4 c;iJh8 1 8 .lDxd4 e5+ Followed by 1 9 ... e4 and ... ttJe5.

1 0 ... dxc4 The text move is the main continuation. Clearly inferior is 1 0 ...ixf4 1 1 .gxf4 dxc4 1 2 .lDe5 Eld8 1 3.e3 and White will regain the pawn with dividends. 1 1.i.xd6 'lWxd6 1 2.e4 The quiet 1 2 .a4! ? looks a reasonable alternative. 1 2 ... fxe4 1 3.lDxe4 lDxe4 14.'lWxe4 ttJd7 1 5J'Uel ttJf6 1 6.'lWe5 White's compensation is indisputable. B2) 8 i.d7 ...

A well-known Stonewall idea - Black's light squared bishop, which is undoubtedly his problem piece, is heading for h5 via the e8square.

The D utch Defence

230

This is Drozdovskij - Wang Yue, Beijing (blitz) 2008. White could have seized the advantage with:

8 7 6 5 4 3 2 a b c d

I also analysed the pawn capture, which has yet to be tested in practice: 1 O . . . dxc4N 8

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17.ltJcxe4!N fxe4 1 8.ltJxf7 E!xf7 19.iJ.h3! ttJf8 20.E!b3 iJ.f6 2 1 .�fbl± It would be hard for Black to defend this position.

7 6 5 4 3

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1 1 .b5! (much worse is 1 1 .ltJd2?! b5 1 2.ltJxb5 cxb5 1 3.�xa8 ltJa6! and Black takes over the initiative) 1 1 . ..ltJd5 1 2 .ltJg5! Wie7 1 3.e4 White has very powerful play for the pawn. For instance, 1 3 ... ltJb4 14.Wia4 cxb5 1 5 .ltJxb5 a6 1 6.e5!, with complications that favour White.

1 l .bS �hS 1 2.bxe6 bxe6 13.eS iJ.e7 I also studied 1 3 ...�c7 when White should continue 1 4.Wia4 iJ.a5 1 5.ltJdl E!c8 1 6.E!b7 retaining the better chances. 14.ltJgS iJ.f7 lS.'!Wa4 '!We8 16.iJ.d2 ltJe4

9 . . . ltJbd7 1 0.b4 There is no point in rushing with 1 0.cxd5?!

Chapter 1 5 - Stonewall Variation as Black can calmly recapture with the e-pawn: 10 . . . exd5 and 1 l .i'!!fxf5? loses in view of 1 1 .. .lLle4. lO ... a6 Once again I checked the pawn capture on c4: 10 ... dxc4N l l .e4 (less clear is l l .b5 ttJd5 1 2.bxc6 bxc6 1 3.e4 lLlb4 1 4.i'!!fe 2 ia6 1 5.ia3 Ei:b8oo) 1 1 ...fxe4 (Another line is 1 1 . . .lLlxe4 1 2.lLlxe4 fxe4 1 3.lLlg5 ttJf6 14.lLlxe4 i'!!fg6 I S.Ei:b2! c3 1 6.lLlxf6t �xf6 1 7.i'!!fxc3;!;. White has regained the pawn and has a pleasant positional edge.) 1 2.lLlgS! lLlb6 1 3.lLlcxe4 i'!!fg6 1 4.a4! id7 (or 14 ... c3 I S.i'!!fxc3 lLlfdS 1 6.i'!!fe l ! ie7 1 7.a5 ttJd7 I 8.b5;!;) I S .aS lLlbdS 1 6.i'!!fxc4 With a stable positional advantage. 1 1 .a4 lLle4 After 1 1 ...dxc4 I 2.lLld2 i'!!fe7 I 3.lLlxc4 ixb4 1 4.aS!� White's compensation is more than sufficient. 1 2.bS axbS 1 3 .axbS h6 14.id2 I also like I 4.ib2!?N lLldf6 1 5.lLle5 with an advantage. 1 4 ... lLldf6 I 5.lLla4 i'!!fh S 1 6.lLlb6 Ei:b8 8 7 6 5 4 3 2

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17.ib4! ixb4 1 8.Ei:xb4± White's advantage is obvious, Seres Baumegger, Budapest 1 997. 9 ... b6 1 0.b4 ib7 This is quite a logical reaction to White's play on the queenside. l l .cS!?N

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A new and interesting idea. Black equalized comfortably after l l .cxdS cxdS I 2.bS lLlbd7 1 3.if4 ixf4 1 4.gxf4 i'!!fe7 I S .e3 Ei:fc8 in Cmilyre - Agdestein, Gibraltar 2008. l l . ..ic7 I 2.bS The point of White's play is shown by the following line: 1 2 . . . bxc5 1 3.dxc5 1 3.ia3 lLlbd7 1 4.dxc5 IS j ust a transposition. 1 3 ... lLlbd7 1 4.ia3 White has no advan tage after: I4.lLld4 lLlxc5 1 5 .ia3 ib6 1 6.bxc6 ixc6 I7.ixc5 ixc5 1 8 .lLlxdS ixd4 1 9.1Llxf6t ixf6 20.ixc6 Ei:c8= I4 ... lLle5 I S.lLld4 lLlc4 I 6.icl ;!; A complex and double-edged position has arisen, bur White's activity should give him the better prospects. 9 . . .i'!!fh 5 This idea does not really work, since White simply continues his play on the queenside: 1 0.b4 lLlbd7 (inferior is 1 O ... dxc4 l l .bS lLldS 1 2 .lLld2! and White regains the pawn with dividends) l l .bS dxc4 I 2.bxc6 bxc6 This was Patelli - Schlichthaar, Arco 2000, and now the simple 1 3 .i'!!fa4 would give White a good edge.

232

The Dutch Defence

I originally intended to follow White's play in the main game that is known here, as he won a good game. I was thinking that White is j ust a bit better everywhere, but Jacob Aagaard had some recommendations deep into the middlegame in his book The Stonewall Dutch that I did not want to spend time on. However, they did make me look for a second time at the position, which allowed me to spot White's real problem. This problem, and the fact that it makes more sense to try to attack the b5-pawn directly and open the queenside to gain a space advantage, made for a last-minute revision. My "old" line was: 1 0.cxb5 cxb5 I l .if4 ixf4 1 2. gxf4 id7 1 3.b4 This was played in Schandorff - L.B. Hansen, Denmark 1 997. Here I do not see any advantage for White after: 1 3 . . . tLlc6!N ( l 3 . . . a6 1 4.e3 tLlc6 1 5.tLlel �cB 1 6.tLld3t was the game) 1 4.�fc l We7 1 5 .a3 �fcB=

l O ...ia6 After 1 0 . . . tLle4 White can also j ump in with his knight with I l .tLle5, having in mind two ideas: exchanging on e4 followed by f2-f3, or if4. 1 1.e5 ie7 12.a4!

1 2 ... b4 1 3 .tLla2 ia5 1 4.Wd l ! A very strong move; White not only defends the e2-pawn, preparing id2, but also vacates the c2-square for the manoeuvre tLle l -c2. The forcing sequence 1 4.id2 ixe2 1 5.�fe l ixf3 1 6.ixf3 tLle4 1 7.ixb4 ixb4 I B.tLlxb4 a5 1 9.tLld3 tLla6 helps Black, who can hold the balance here. After the text move the following sample line illustrates White's advantage: 1 4 . . . �f7 The main point of White's idea can be seen in the following line: 1 4 ... tLlbd7 1 5.id2 �b8 ( l 5 . . .WbB loses a pawn to 1 6.We l ) 1 6.if4! Followed by id6, winning the exchange, since . . . �f7 would run into tLlg5. 1 5.tLlel e5 A logical attempt; Black intends to generate counterplay in the centre. 1 6.tLlc2 exd4 1 7.Wxd4 Wxe2 I B.tLlaxb4 �g4 1 9.Wxg4 fxg4 20.tLlxa6 tLlxa6 2 1 .b4!± White is clearly better.

1 3.11Jxa4 In this complex middlegame posmon White's chances are slightly better, thanks to his better pawn structure, which should be an important factor in the long run. The following is a sample line: 1 3 ... 11Jbd7 14.11Jc3 11Je4 Black is not ready to open the centre with 1 4 ... e5. After 1 5.�al ib7 1 6.dxe5 't:lxe5 1 7.tLld4 tLle4 I B.tLlxe4 fxe4 1 9. f3! White is clearly better. 1 5.�al ib7 If 1 5 . . .WcB 1 6.tLlxe4 dxe4 1 7.tLlg5 �f6 I B.f3! and White opens the h l -aB diagonal in his favour. 16.if4 As always, swapping the dark-squared bishops is White's main positional idea.

Chapter 1 5 - Stonewall Variation 1 6.b4!? could also be tried. Maybe White is slightly better, but Black is certainly very solid.

233

B41) 9 ...i.d7 10.b4 i.eS l 1 .b5 tDd7

16...i.xf4 I f 1 6 ... e5 then White has the strong 1 7.4Jxd5! cxd5 1 8.c6 �xc6 1 9.V9xc6 exf4 2o.V9xc7 fxg3 2 1 .hxg3;l; with a positional edge. 17.gxf4t Although Black has a very solid position, I prefer White's chances due to twO factors: his better pawn structure and the passivity of Black's bishop. B4) S ... 4Je4 This is by far Black's most important option.

9.�bl White prepares to advance his b-pawn.

A very important position has arisen. Black has made natural developing moves while White has made some progress on the queenside. Right now, White has to decide between several plans. In my opinion, in the following encounter White opted for the best line.

1 2.bxe6 bxe6 1 3.4Jxe4 fxe4 Recapturingwi th the other pawn is favourable for White after 1 3 ...dxe4 1 4.4Jg5 !"lf6 1 5.f3, as White opens up the play advantageously. 14.tDg5 �f6 1 5.e5 i.e7 16.f4 I believe this is the correct idea, as it is very important for White to prevent Black's idea of ... e6-e5 . I also considered 1 6.4Jxe4 dxe4 1 7 .�xe4, but this leads to a double-edged position. This is the starting position of the more important half of this chapter. White intends to push his b-pawn to create weaknesses in Black's queenside. If White is successful with this plan, Black will be condemned to a passive defence. His main options are: B41) 9...i.d7, B42) 9...tDd7, B43) 9 ...a5 and B44) 9...Vf!e7 .

16 ...h6 17.tDh3 i.h5 This position occurred in Chekhov Yusupov, Germany 1 993, and now is the right time to improve on White's play. Instead of placing his bishop on e3, White should play: IS.tDfl!N Vf!cs 1 9.e3 White's kingside is more or less secure, and now he can try to develop his play on the

234

The Dutch Defence

queenside. I evaluate White's position as more promising, for example:

19 .. J'l:b8 20J'l:xb8 ixb8 2 1 .E:el Vacating the fl -square for the bishop. 2 1 ...E:f8 If 2 1 ...g5 then White has an interesting sacrifice at his disposal: 22.ltJxe4! dxe4 23. 'IWxe4 White will also win the c6-pawn and his pawn chain will become very dangerous. 22.�f1 liJf6 23.'lWa4t White has an easy plan ro seize the initiative, which includes �d2, E:b 1 , �a6 and so on. B42) 9 liJd7 .•.

A natural idea ro bring his second knight into the game.

However, worthy of consideration was: 1 1 .ltJe5!? 'lWc7 In the event of 1 1 ...ltJxc3 1 2.'lWxc3 ltJe4 1 3 .'lWc2 White retains an advantage.

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1 l ...ltJxc3 1 2.'lWxc3 cxb5! 1 3.c5 ( 1 3.E:xb5 b6! also does not promise White much) 1 3 ... ltJe4 1 4.'lWc2 �e7 1 5.E:xb5 b6! 1 6.cxb6 �d7 1 7.E:b2 axb6= Stefansson - Radjabov, Torshavn 2000.

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Here we have a further branching point.

B421) 10 ... llJdf6 1 1 .c5!

A remarkable moment; White avoids the natural-looking 1 1 .b5, since it would allow Black ro force favourable simplifications:

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1 2.�f4!N This move is clearly stronger than 1 2.f3 ltJxc3 1 3.'lWxc3 b6 1 4.c5?! �xe5 1 5.dxe5 ltJd7 1 6.�f4 bxc5 17. bxc5 �a6 when Black was already better in ]. Szabo - Hajnal, Hungary 1 997. 1 2 . . . ltJxc3 Black also fails to solve his opening problems by: 1 2 ... g5 1 3.ltJxe4 ltJxe4 1 4.c5 ( 1 4.�c 1 !?) 1 4 ... gxf4 1 5.cxd6 ltJxd6 1 6.gxf4 White keeps a stable positional edge. 1 3.'lWxc3 ltJh5 14.�e3 ltJf6 1 5.E:fc 1 ltJe4 1 6.'lWb2t White enjoys a pleasant game.

1 1...ic7 1 2.if4 The following encounter is a very good illustration of what might happen in this type of position: 12 ...�xf4 1 3.gxf4 id7 1 4.llJe5 ie8 1 5.a4 a6 16.llJa2!

235

Chapter 1 5 - Stonewall Variation A strong positional idea; White not only creates the threat of trapping Black's knight by 17.f3, but also transfers his knight to d3.

16... CLld7 17.ltJcl VNh4 It is very important that Black cannot play 17 . . . CLlxe5, since after 1 8.dxe5 d4 (otherwise f2-f3 would trap the knight) 1 9.tt:la2± Black is going to lose his d-pawn.

8 7 6 5 4 3 2 1

This very interesting attempt to stop White's queens ide offensive was recommended in Win with the Stonewall Dutch. After some time analysing the position, I found an aggressive way to deal with this line.

1 l.cxb5 ltJxc3 1 2.VNxc3 cxb5 I n my opinion the critical continuation is: 13.VNc6!N 1 3 ..!g5 has been played, but after 1 3 .. .'IWb6 14J�fc 1 .!b7 1 5 .VNe3 me8 1 6 ..!f4 '!xf4 1 7.gxf4 iWd6 1 8.tt:le5 �ac8 Black equalized easily in Kerek - C. Horvath, Aggtelek 1 997. 1 3 ...VNb6 The point of Black's idea - the white queen is going to be trapped on a8.

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18.e3!N In my opinion 1 8.tt:lcd3, as in Grabuzova Burchardt, Germany 1 995, is not so accurate, since it allows Black to create counterplay with 1 8 ... tt:lxe5! 1 9.dxe5 d4. 18 ... CLlefG 1 9.CLlb3! .th5 20.CLla5� White retains a long-term advantage.

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B422) 10 b5!?

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1 4.VNxa8!! But we are not frightened of this trap - there are opportunities for White here as well .

.•.

Now Black i s a t a crossroads. He must decide which minor piece to place on b8, since I believe the position with rwo rooks versus queen, which might appear after 1 4 ....!b7 1 5.VNxf8t, is favourable for White in the long run.

14....tb8

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236

The Dutch Defence

The alternative is: 1 4 ... tLlbS 1 5 .tLlg5! An important tactical idea. 1 5 ... tLlc6 After 1 5 ....ib7 1 6.'Wxb7 'Wxb7 17.tLlxe6 l"leS l S.tLlc5 'Wf7 1 9.e3 White is clearly better due to the permanent weakness on d5.

16.Wxb7 Wxb7 1 7.lbxe6 ge8 18.lbcs Wc6 Certainly l S ... tLlxc5? would be a serious mistake in this case, as after 1 9.dxc5 l"lxe2 20.l"ld l Black's central pawn is falling and White gains a strategically winning position, since his c-pawn should decide the issue.

8 7 6 5 4 3 2 1 6.a3! White is ready to play 'WxcS next. 1 6 ....id7 1 7.'WxfSt .ixfS l S.e3 More accurate than l S.l"ld l a5 1 9.bxa5 tLlxa5, as in this case Black has good counterplay. 1 8 ... a5 1 9 . .id2! White is better.

ls.lbgS ib7 The other option is: 1 5 ... tLl f6 Now White has a strong move: 1 6.l"lb3! .ib7 Practically forced, as 1 6 ... h6 loses to 1 7.tLlxe6! .ixe6 l S.l"lc3, and White's queen escapes. 1 7.'Wxb7 'Wxb7 l S.tLlxe6 l"le8 1 9.tLlc5 'Wf7 20.e3!;!; In my opinion White has the better chances, as he will slowly prepare to open up the position on the queenside, or penetrate along the c-file, while Black is rather passive. It should be noted that 1 5 ... l"leS loses in one go to 1 6 . .ixd5!.

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Now White has a pleasant choice between two options:

1 9.if3 tLlb6 20.l"lb3 tLlc4 (20 ... g6 2 1 .l"la3!?;!;) 2 1 .l"lc3 Followed by opening the a-file with a2-a4. 1 9.1bxd7 'Wxd7 20.e3 l"lcS 2 1 ..ib2 l"lc4 22.l"lfc l ;!; I n either case only White can play for a win. B43) 9 ... aS 10.a3

Chapter 1 5 - Stonewall Variation

237

Once again we have reached a very impor tant position where Black has a wide choice.

lo Wle7 The natural attempt to prevent White's idea. Other possibilities are: ...

1 0".tiJxc3?! This is rarely a good idea when White has the opportunity of recapturing with the b-pawn. I l .bxc3! a4 (White easily regains the pawn after l l ...dxc4 1 2 .tiJd2 b5 l 3.a4!±) 1 2.cS fie7 1 3 .c4 tiJd7 1 4.fid2 Wh8 I S.E:b4± White was clearly better in Kozlov - Yagupov, Alushta 2002. 1 0".b6 I l .b4 axb4 1 2.axb4 fia6 This whole concept is probably wrong. 1 3.bS cxbS 1 4.tiJxbS fixbS l S.E:xbS Wic7 8 7 6 5 4 3 2

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1 6.tiJgS! After this strong move White's advantage becomes clear. 1 6" .E:c8? This allows an attractive refutation. A better try was 1 6".tiJxgS 1 7.fixgS h6, although after 1 8.fid2 tiJd7 1 9.E:cl E:ac8 20.Wia2 dxc4 2 1 .e3±, followed by 22.fifl , White's advantage is indisputable. 1 7.tiJxe6 Wid7 1 8.E:xdS Wlxe6 1 9.E:xfS! E:e8 20.E:eS!+White was winning in Urban - Tazbir, Lubniewice 2002. 1 0".tiJd7

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1 1 .cS!?N By analogy with line B42 (9" .tiJd7) this move looks very logical to me. Also worth considering is: 1 1 .b4 axb4 1 2.axb4 tiJdf6 1 3.cS (Again l 3.bS allows Black to simplify favourably, j ust like in the 9".tiJd7-line. 1 3".tiJxc3 14.Wixc3 cxbS l S.l'hbS fid7! 1 6.E:xb7 Wic8! with equality, Grabuzova - Zaitseva, Moscow 1 992.) 1 3".fic7 1 4.bS!? l l ...fic7 1 2.fif4 fixf4 l 3.gxf4 I n my opinion White's chances are preferable in this kind of position, for example: 1 3".b6 1 4.cxb6 Wixb6 I S .tiJa4 Wic7 1 6.tiJeS tiJxeS 1 7.fxeS fia6 1 8.f3 tiJgS 1 9.tiJcS With a solid positional advantage.

1 1.b4 This move works well for White, but again 1 1 .cS fic7 1 2.fif4 fixf4 l 3.gxf4 deserves attention, as in Pichugin - Savchenko, Odessa 2003. 1 1...axb4 1 2.axb4 ixb4 The most challenging continuation. Other possibilities are: 1 2" .fid7 is not great: 1 3.cS fic7 1 4.fif4 fixf4 l S.gxf4± Grabuzova - Zaitseva, o rei 1 993.

1 2".tiJxc3 This move cannot be recommended, as Black exchanges his most active piece, thus

The D utch Defence

238

significantly easing White's task. 1 3.Wxc3 dxc4?! This is already a serious inaccuracy. Black was obliged to choose 1 3 ... b5 1 4.c5 �cn with a passive, but still pretty sound, position. 1 4.Wxc4 �a4 1 5.�g5! Wc7 1 6.ttJe 1 ! ? White had many other attractive options, but the text is good enough. The knight is heading for the ideal d3-square; White's advantage is obvious. 1 6 ... b5 1 7.Wc3

to continue with the calm 16.�b2 or 1 6.�d2 and then, depending on the situation, either �a1 or ttJa4. White's chances are preferable in either case. 1 3 ... ttJxc3 As was already mentioned above, this exchange clearly favours White. 1 4.Wxc3 �a4 1 5.�g5 We8 This position arose in Budnikov - Gnidash, Kharkov 2000, and now the simple 1 6.c5 �c7 17.Wb3± would leave White with a serious advantage. 1 4.c5 �c7 8

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This position was reached in Blagojevic Podinic, Bijelo Polje 2005. In my opinion White is clearly better, but in the book WIn with the Stonewall Dutch there is a strange recommendation of improving Black's play by means of: 1 7 ... h6N I think White keeps all his pluses after: 1 8 .�e3 e5 1 9.dxe5 �xe5 20.Wb3t Wf7 2 1 .Wxf7t <j;Jxf7 22.ttJd3 �f6 23.ttJc5 �a2 24.�f4! �e6 25.e4 �c4 26.�fd 1 fxe4 27.ttJxe4 The endgame is very unpleasant for Black. 1 2 ... ttJd7 1 3.b5 ttJdf6 The alternatives are worse: After 1 3 ... \t>h8 White should not rush with 1 4.�f4, as happened in Gleizerov - Moroz, Lubniewice 1 994, since this allows 14 ...�xf4 1 5.gxf4 �a3! with counterplay. He j ust needs

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So far this is Pligin - Knight, Telechess 2007, and here I found the following improvement: 1 5.b6!?N �b8 1 6.�f4 It seems to me White retains a small but long-lasting advantage, for instance: 1 6 ...�xf4 1 7.gxf4 ttJxc3 1 8.Wxc3 ttJe4 1 9.Wc2 �d7 20.�aa White will place one of his rooks on a7, and then try to get his knight to a5. It is also important that he has the option of breaking through in the centre with f2-f3 and e2-e4. So, in general, White has pleasant almost risk-free play, while Black, despite having a pretty sound position, is doomed to passive defence. 1 2 ... b5 A thematic idea, but it certainly cannot promise Black equality: 1 3.cxb5 ttJxc3 1 4.Wxc3 cxb5 1 5.�f4 �xf4

Chapter 1 5 - Stonewall Variation 1 6.gxf4 tLla6 The more natural l 6 . . .�d7 also fails to equalize, since White keeps definite pressure after l 7.�c5! tLlc6 1 8.�xe7 tLlxe7 1 9.tLle5 E:fd8 20.E:fcU. l 7.tLle5 �b7 8 7 6 5 4

239

14 ...Wfd7 I S.E:xb4 exf'3 1 6.exf'3 In my opinion this is the correct recapture, as it opens the e-file for White's second rook and Black's e6-pawn becomes a target. 16 ...Wfxd4 17.E:bbl �d7 1 8.ie7 E:e8 1 9.E:fdl Wfa7 2o.id6iii There is no doubt White has sufficient compensation for the pawn, thanks to his bishop pair and Black's passivity, I. Novikov Moskalenko, Cap d'Agde 1 994. B44) 9 :We7 I O.b4 •.

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In Hobuss - Kaenel, Zurich 1 999, White missed a strong idea: 1 8.�d3!N tLlc7 Also 1 8 ... E:fb8 1 9.E:fc 1 tLlxb4 20.�d2! tLla6 2 1 .E:xb5 E:c8 22.!'kb 1 E:c7 23.E:b6± does not promise Black relief 1 9.E:fc 1 It is not so easy to defend for Black, for in stance: 19 ... E:a2 20.E:c5 followed by 2 1 .E:bc 1 .

8 7 6 5 4 3 2 1

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We have reached our final branching point. In this position Black has an additional four options: B441) l o ixb4, B442) lo ... lLld7, B443) lo ...id7 and B444) IO bS. Instead 1 0 ... a6 1 1 .a4 tLld7 1 2.b5 axb5 1 3.axb5 would transpose to a position examined in line B43 (the 9 ... a5 1 0.a3 �e7 Iine) . .•.

.•.

B441 ) l o ixb4 •.•

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Here Black has a worse version of the position we have already seen in the 9 ... a5 1 0.a3 �e7 line.

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13.�xe4 dxe4 14.igS The point of White's sacrifice; now Black has to give up his dark-squared bishop.

I l.lLlxe4 dxe4 12.igS Wfd7 1 3.E:xb4 exf'3 50 far this is 5akalauskas - 5arnolins, Lithuania 2003, and now much stronger would have been:

240

The Dutch Defence Black quickly ended up in a strategically difficult position in the following encounter: 1 3 ... lLlxc3 14.'Wxc3 lLle4 1 5 .�e3 �xf4 1 6.gxf4 �d7 1 7.bxc6 �xc6 1 8.lLle5 g5 1 9.f3 gxf4 20.'Wxf4 lLlc3 2 1 .�b2± Gual Pascual Moncayo Romero, Barcelona 200 1 .

14.gxf4 ltJxc3 1 5.�xc3 i.d7

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14.ex8!N With the following illustrative line: 14 ...�xd4 15.i.e7 �e8 1 6.�dl �e5 17.f4 �a5 Or 1 7 ...'Wc7 1 8 .�d6 �f7 1 9.�xb8 and White regains the pawn, while retaining dear positional superiority: 1 9 ... c5 20.�a4 �xb8 2 1 .�xa7 'Wc7 22.�c3± 1 8.�a4 �c7 1 9.i.d6± Once again White gets the pawn back with a positional edge. B442) 10 ... ttJd7 1 l .b5 ttJdf6

8 7 6 5 4 3 2 1

L......./'//m.........

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16.a4! It is absolutely the right idea to keep up the pressure, since after 1 6.bxc6 �xc6 1 7.lLle5 Vlic7 it might be very difficult to break through. 1 6 ltJe4 The following defensive plan was given by GM Roiz in ChessBase Magazine 1 00: 1 6 ... 1'!fc8 1 7.lLle5 �e8 1 8 .�b3 �c7 Now after 1 9.�fb l it would be very hard to hold Black's passive position. .•.

Inferior is 1 1 . ..lLlxc3 1 2.'Wxc3 cxb5 1 3. cxd5! exd5 14.�xb5 lLlb6 1 5.lLle5 �e6 as in Matveeva - B. Thipsay, Jakarta 1 993. Now the natural 1 6.�f4!N would secure White's advantage, for instance: 1 6 . . . g5 1 7.�d2 f4 1 8.�a5 �xe5 1 9.dxe5 lLlc4 20.'Wb4!±

1 2.c5 Once again this plan works very well for White. An interesting alternative might be 1 2.bxc6 bxc6 1 3 .lLle5!? 1 2...i.c7 1 3.i.f4! A natural follow-up of White's plan. 1 3 ...i.xf4

17.�c2 �fc8 1 8.lLle5 i.e8 1 9.i.xe4!? An interesting positional solution. White keeps his strong knight against Black's passive bishop, which gives him a long-term edge. Another idea was to continue improving his position with 1 9.�b3 followed by �fb l .

1 9 ... dxe4 The best choice.

Chapter 1 5 - Stonewall Variation After 19 ... fxe4 20.f3 b6 (This is the only attempt to gain counterplay, as otherwise Black's position is lost. For example, 20 ... exf3 2l .:B:xf3 and White's attack on the kingside should win easily.) 2 l . bxc6 il.xc6 22.cxb6 ieS 23.b7! Wxb7 24.:B:xb7 :B:xc2 2S.fxe4 dxe4 26.Wf2± The endgame is very difficult for Black. This position was reached in Schandorff Sandner, Germany 2004, and now I believe White should not rush with 20.f3, as happened in the game. I prefer the calm suggestion made by Michael Roiz:

20.Whl! Followed by doubling rooks on the g-file. Black's position is very passive as he lacks any real counterplay.

241

as In Hoang Thanh Trang - Zimina, St Petersburg 2009.

1 4.lLleS! ic6 This allows an elegant tactical refutation: ls.lLlxc6 bxc6 1 6.:B:xbS! rJ;{h8 If 1 6 ... cxbS 1 7.il.xdSt rJ;{hS l S.il.xaS Wxe2 1 9.ia3! We7 20.:B:e1 Wf6 2 l .il.dS± and White is much better. 1 7.:B:b2± White's positional advantage is self-evident, Baryshpolets - Shumilov, Kiev 200S. B444) 1 0 ... bS This move was played in a recent grandmaster game.

B443) 1 O ... id7 1 1.bS lLlxc3 1 2.�xc3 cxbS This has been tried quite often.

1 1.cxbS lLlxc3 1 2.�xc3 cxbS 1 3.if4 ixf4 14.gxf4 lLld7 l S.�c7! :B:e8 This position occurred in Golod - Ulibin, Biel 2009. White now overlooked a very strong idea:

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1 6.�aS!N a6 17.:B:fcl Now Black's knight cannot come to b6. 13 ... exdS Clearly worse is 1 3 . . . b4 14.Wb3 aS l S .tt:leS!±

17...:B:b8 I also examined 17 ... tt:lf6 I S.tt:leS il.d7

The Dutch Defence

242

1 9.!'k7 !!ec8 20.!!bc1 ± when White is totally in control.

lS.ttJe5 After I 8.!!c7 V;Yd8 1 9.ttJe5 ttJb6 20.!!c6 itJc4 2 I .V;Yxd8 !!xd8 22.e3;!; White has the better chances, as he can eliminate Black's knight at a suitable moment. lS ...ttJxe5 1 9.fxe5 'lWh4 20.'lWc7 !!b7 2 1 .'lWc6 !!d7 22.'lWb6

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White has the advantage thanks to his control of the c-file.

Conclusion: The Stonewall Dutch is often successful for Black in practice, simply because it is a reasonable opening, despite some positional drawbacks. I do not know of a clear-cut path to an advantage for White in the main lines, which is why I have proposed an interesting alternative that looks promising.

Dutch Defence . Classical Variation Variation Index l .d4 f5 2.g3 �f6 3.�g2 e6 4.c4 �e7 5.�f3 0-0 6.0-0 A) 6 ...�e8 B) 6 ... �e4 C) 6 ... d6 7.�c3 C1) 7 ... �c6!? C2) 7 ... a5 8.b3 C2 1) 8 ... �a6 C22) 8 ... �e4 C3) 7 ... �e4 8.�xe4 £Xe4 9.�d2 d5 1 0.f3! C3 1 ) 1 0 ... exfJ C32) 1 0 ... �c6 C4) 7 ...�e8 8.b3 C41) 8 ... �c6 C42) 8 ... �bd7 C43) 8 ... c6 C44) 8 ...�h5 C45) 8 ... a5 9.�b2 C45 1) 9 ... �c6 C452) 9 ...�h5 C453) 9 ...c6 C454) 9 ... �a6

244 245 246 246 249 249 249 251 252 252 253 253 254 255 255 256 257 257 258 259

244

The Dutch Defence

l .d4 f5 2.g3 ctJf6 3.i.g2 e6 4.c4 i.e? The variation involving the development of the black bishop on e7 is considered to be slightly passive and is seldom played at grandmaster level. White should have good chances to secure an opening advantage with accurate play. At the same time Black's position contains considerable dynamic potential, and his resources should not be underestimated. One cannot help but pay attention to the efforts of the English GM Simon Williams, a specialist in this opening who has won many fine attacking games with it. Thus I recommend that you study the recommendations in this chapter closely, in order to avoid the kind of murky, double-edged positions that Black hopes to reach. Before we begin dealing with specific variations, I will offer a few very general guidelines. In most variations White's main plan will involve the preparation of the central thrust e2-e4, while Black will be aiming for ... e6e5. Both sides will generally try to carry out their own e-pawn advance while obstructing that of the opponent. Overall it seems to me that White is bettet equipped to succeed in this batrle, and you can find plenty of strong recommendations, including some of my own original ideas, throughout the chapter.

This is our first branching point, though I should stress that A) 6 ...1!Ne8 and B) 6... ctJe4 are far less serious lines than the main move, C) 6 . . . d6. Many other moves are of coutse legal, for example: 6 . . . b6 This would not be such a bad idea if Black could secure control over the central squares d5 and e4, but White strikes first: 7.d5! exd5 Somewhat stronger is 7 . . . i.b7, although White's chances are better after 8 .tt:lc3. 8.cxd5 8.tt:lh4!? would be an interesting alternative. 8 . . . tt:le4 9.tt:ld4 There is no point for White to enter the complications resulting from 9.d6 i.xd6 1 0.1!Nd5t <j;>h8 1 1 .�xa8 tt:lc6. 9 ... tt:ld6 1 0.tt:lc3± White has an obvious positional advantage, Turzo - Mihalko, Hungary 2004. A playable alternative is 6 ... c6 7.tt:lbd2 d5 (I do not see much point in 7 . . . d6, since after 8 .�c2 White is ready to play e2-e4 next) 8.tt:le5, and we have a position examined i n the Stonewall chapter.

A) 6...1!Ne8 s.ctJf3 0-0 6.0-0

Black begins a thematic manoeuvre for this variation, but I do not see much point i n doing it without first moving the d-pawn.

? ttJc3 1!NhS 8.dS! Not only gaining space in the centre, but also disturbing Black's coordination. 8 ctJa6 I found four practical examples of this position on my database, but so far nobody seems to have tried the strongest move: .••

245

Chapter 1 6 - Classical Variatio n

Black faced a difficult defensive task with no real prospects for counterplay. 1 1 .'&c1 cxd4 12.ttJxe4 fxe4 13.ttJxd4 d5 We have been following the game Backwinkel - Haub, Germany 200 1 . Here I suggest: 1 4.ttJb5 id7 1 5.ixf6 �xf6 1 6.ttJc3t White exerts unpleasant pressure against the enemy centre.

9.ib2

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9.if4!N It seems to me that White maintains a clear advantage after this move, for instance: 9 d6 1O.dxe6 ixe6 1 1.liJd4 ics 1 2.liJdb5 It is very hard for Black to deal with the pressure on the queenside. ..•

B) 6... liJe4 7.liJbd2 if6 If 7 ... d5 S.b3 liJc6 9.ib2 we reach a position from the Stonewall chapter.

S.b3 liJc6 Black has often succeeded i n obtain ing a good position after: 8 ... c5 9.ib2 ttJc6 The main reason for that is that White has often reacted with the slightly passive 1 0.e3 after which 1 0 ... d5 is fully satisfactory for Black. I nstead White should immediately address the problem of Black's annoying knight: 10.'&c2! ttJb4!? This looks like a principled attempt to disrupt the white position , but it does not equalize. After 1 0 ... d5 1 1 .dxc5 ixb2 1 2.'&xb2 ttJxc5 13.�fd 1 White has a pleasant edge. The game Schroeder - Knoche, Germany 1993, continued 1O . . . ttJxd2 1 1 .'&xd2 d6 12.�ad 1 'lMfa5 1 3.'lMfxa5 ttJxa5 14.�d2 and

8 7 6 5 4 3 2 1

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9 ... d6 Again Black has the optio n of entering a Stonewall structure: 9 . . . d5 Although this is quite playable, I believe this kind of position is almost always pleasant and slightly better for White, the present case being a good example. 1 0.e3 id7 1 1 .ttJe1 A thematic idea i n such positions. 1 l . . .a5 1 2 . f3 ttJxd2 Somewhat stronger was 12 . . . ttJd6, although White keeps a pleasant game: 1 3.ttJd3t 1 3.'lMfxd2 ieS I 4.ttJd3 'lMfe7 I 5. f4!? Usually White refrains from this move, but here it is more tempting, as Black's knight is a long way from e4. 1 5 ... �dS 1 6.�fc1 dxc4?! It was better to maintain the pawn on d5 and keep the h I -a8 diagonal closed.

246

The D utch Defence

1 n'hc4 White was clearly better in Gozzoli - Pytel, La Fere 2007.

1O.ltJe1! It is important to challenge Black's strong knight. 1 0... ltJxd2 There is not much logic in moving the d-pawn for the second time, as the extra move lLle 1 is almost always useful for White in the Stonewall structure. After 1 0 ... d5 1 1 .e3 b6 1 2.lLld3 �b7 1 3 .lLlf4 l"le8 1 4.lLlxe4! dxe4 1 5. f3 exf3 1 6.�xf3 lLla5 1 7.�f2 �xg2 1 8.�xg2 White clearly has the initiative, Prohaszka Bui Vinh, Budapest 2008.

1 2.�dSt!N This is an important improvement over the game Kveinys - Bleis, Triesen 2004, in which White took on c6 immediately. The king on h8 will be further away from the centre in case of an endgame, and may also be slightly susceptible to back rank tricks. 1 2 ... �h8 1 3.�xc6 bxc6 14.dxeS dxeS lS.�aS! e4 16.�xf6 �xf6 17.ltJg2 White has an obvious positional superiority, thanks to his better pawn structure. C) 6 . . . d6 This is Black's most important line by far.

Black has also tried the somewhat passive 1 0 . . . lLlg5, but White's play in the following encounter was pretty convincing: 1 1 .f4 lLlf7 1 2.e3 e5 1 3.fxe5 dxe5 1 4.d5 lLle7 1 5.e4 with a comfortable edge in Tregubov - Williams, Reykjavik 2006.

l 1.�xd2 eS Black can also hold the e-pawn back with 1 1 .. .�e7, which forces an accurate response. 1 2.f4! ( l 2.e4 e5°o is rather double-edged) 1 2 ...�d7 1 3.e4 fxe4 1 4.�xe4 g6 1 5.lLlf3 and White was clearly better in Sen - Stephenson, Coulsdon 2006.

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This is the basic starting position of the Classical Dutch and, as usually occurs, an important crossroads. We will examine four main options: Cl) 7 ltJc6!?, C2) 7 ...aS, C3) 7... ltJe4 and C4) 7...�e8. This chapter is an exception from the way most chapters in this book are structured, in that I consider variation C3 to be the most theoretically critical line. Nevertheless there is no doubt that line C4 is the absolute main line in terms of popularity. •••

Cl) 7 ltJc6!? •••

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Chapter 1 6 - Classical Variation This move does not have the best reputation, and in the original draft of this chapter I only included is as a side variation. However, not long before publication the Quality Chess team informed me that this line had been featured in a recent Dangerous Weapons book, with Classical Dutch expert, GM Simon Williams making the case for the black side. This prompted me to take a more detailed look at it, and I suggest that the reader does the same as the resulting positions are rather unorthodox and tricky to handle. The good news is that White can look forward to a nice advantage if he can navigate the complications successfully.

8.d5! This is of course the critical test. 8... lLle5 8 ... lt'la5 9.lt'lg5 It'lxc4 1 0.lt'lxe6 transposes, while after 8 . . . exd5 9.cxd5 It'le5 1 0.lt'ld4! White's advantage is obvious. 9.lLld4! lLlxc4 9 . . . exd5 1 0.cxd5 reaches the previous note.

247

1 3 ...!c5!? This untested move seems to be Williams' top choice, although he also pays close attention to the last of the following four alternatives. Before analysing any variations, I would like to emphasize a few general points. For the time being White has an extra pawn, but Black has fair chances ro regain the pawn on e6. If he can do this while retaining a firm grip over the central light squares, he will generally be doing well. In many positions, the best policy for White is to avoid becoming too preoccupied with the defence of the e6-pawn, and instead focus his efforts on preparing the move e2-e4, eroding the enemy centre and increasing the scope of the unopposed bishop on g2. If White can get this piece working properly then he will almost always stand better, even in a position with equal material. Let us now see how these ideas might play out over the board. So far the only option to have been tested is the natural but incorrect: 1 3 . . . lt'le4?! 1 4.'Wg4 It'lxc3 1 5.bxc3 i.f6 1 6.:gb l It'ld6

10.lLlxe6 !xe6 1 l.dxe6 c6 12.'Wd3 d5 13.'Wxf5 Black's previous few moves have been more or less forced, but now he has quite a wide choice, although strangely enough only one option seems to have been tried in practice.

Williams briefly considers 1 3 ...i.b4, but concludes that White stands better after 1 4.'Wd3! . It is absolutely normal for White to

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248

The Dutch Defence

retreat the queen either to this square or c2, in order to prepare the following pawn break. 1 4 ...W'eS l S.e4! �xc3 1 6.W'xc3 W'xe6 1 7.exdS cxdS l S.!'i:e 1 W'f7 1 9.W'd4 Material is equal, but White has two bishops versus two knights and an obvious target on dS. It is a similar story after 13 ...�d6 1 4.W'c2! W'e7 l S.e4 W'xe6 ( 1 S . . . d4? loses a pawn after 1 6.ctJe2) 1 6.exdS ttJxdS 1 7.ttJxdS cxdS l S.W'd3 (analysis by Williams). Black has regained his pawn, but positionally he is in trouble. Aside from the main line, Williams is slightly more hopeful about: 1 3 . . .W'b6N With the idea of putting additional pressure on the f2-pawn. 1 4.W'c2 Avoiding the obvious threat of 1 4 . . . ttJe4. 1 4 . . . !'i:aeS Williams also considers 14 . . . ttJg4, offering the response l S.ttJa4 W'd4 1 6.W'c3 with an advantage for White. That may be true, al though it seems to me that a queen exchange should help Black slightly, so instead I would prefer the simple l S.e3± when the knight is doing nothing on g4.

lead to White's advantage according to Williams. l S ...�d6 Obviously this is not forced, bur I chose to focus on the text as it seems like the most natural improvement of the black position. 1 6.e4! d4 17.ttJa4 W'b4 No better is: 1 7 . . .W'bS l S.b3 ttJb6 ( 1 S ... ttJe5 runs into 1 9 .f4±) 1 9 .!'i:d 1 ± l S.b3 ttJa3 1 9.�xa3 W'xa3 20.!'i:bd l bS Now White stays on top with a timely return of the extra pawn. 2 1 .eS! �xeS 22.ttJcS± Material is equal, but White's positional advantage is obvious.

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1 4.b3! Williams analyses some alternatives but in the end concludes that this is clearly strongest. 14... ctJb6 The tactical j ustification is seen after 1 4 ... ttJe4? l S.e7! W'xe7 1 6.ttJxdS!± White remains with a healthy extra pawn, as pointed out by Simon Williams. l S .!'i:b I !? This subtle move looks quite promlSlng, although I should add that there is nothing wrong with l S.e4 and l S.b3, both of which

The other possibility is 14 ... ttJd6 l S .W'c2 !'i:c8, when I found the following nice line: 1 6.�f4 W'e7 1 7.e4 W'xe6 l S.exdS cxdS 1 9.!'i:ae 1 ttJde4 20.ttJxdS!± and White will emerge from the complications with an extra pawn.

249

Chapter 1 6 - Classical Variation

ls.Wfc2! This typical retreat is even more effective than usual thanks to the threat of 1 6.ctJxd5, underlining the vulnerable position of Black's dark-squared bishop.

As usual in the Stonewall, White retains a small but long-term edge, Lecuyer - Roos, Rouen 1 987.

lS ...Wfe7 16.ih3± Williams continues analysing for a few more moves, but it is already clear that Black has failed to obtain compensation for the pawn.

By contrast with the 7 . . . lLle4 line, here I prefer not to swap knights at once, since after 9.ctJxe4 fXe4 1 0.ctJd2 d5 1 1 .f3 the inclusion of the moves b2-b3 and . . . a7 -a5 allows Black the additional resource 1 1 .. .a4! with double-edged play.

C22) 8 ... ctJe4 9.ih2

C2) 7...aS 8.h3

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S ...WeS 9.ib2 reaches line C45 .

C21 ) 8. . .CtJa6 9.ih2 c6 10.gel dS This looks slightly surprising, but I consider the transition to a Stonewall set-up Black's best option. 1 0 . . . id7 leads to a clearly better position for White after 1 1 .e4 fXe4 1 2.ltJxe4 lLlxe4 1 3.gxe4, for example 1 3 . . .if6 1 4.Wd2 b5 1 5.1'k1 We7 1 6.h4 bxc4 1 7.bxc4 c5 l S.lLle5! and White seized the initiative in Lautier Roos, France 1 9S7.

1 1 .e3 id7 1 2.ctJeS ie8 1 3.a3 id6 14.f3 hS lS.ctJe2�

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9 ... ctJxc3 The main alternative is: 9 ... if6 1 0.Wc2 ctJxc3 l 1 .ixc3 ctJc6 A few games saw 1 1 . ..WeS, but White is better after 1 2.e4 Wh5, Ghaem Maghami - Girinath, Dubai 2007, and now 1 3 .e5!N dxe5 1 4.dxe5 ie7 1 5.ctJd4!± with a clear edge, due to Black's passive queenside pieces. 1 2.e4 There is no point in postponing this thematic advance. 1 2 . . . fXe4 The pawn sacrifice 1 2 . . . f4?! looks far too optimistic. The only game i n which this dubious idea occurred continued 1 3.gxf4 WeS 1 4.e5 ie7 1 5 .We4! and Black failed to prove any compensation, Sundararajan Williams, Scarborough 1 999.

250

The Dutch Defence

1 2 . . . ctJb4 does not change the evaluation, as has been p roven in the following encounter 1 3 .�e2 c5 1 4.l"1fd 1 fXe4 1 5 .�xe4 �eS 1 6.a3 ctJc6 1 7.l"1ac1 �h5?! l S.d5!± and Black faced serious difficulties, Erdos - Ianov, Zalakaros 2006. 1 3.�xe4 White is definitely better. For example: 1 3 ...�eS 1 4.l"1fe 1 .id7 1 5 .l"1ac1 ctJdS 1 6.ctJd2 �h5 1 7.�e3 .ig5 1 S.f4± Ruck - Williams, Tallinn 1 997.

1 0. .ixc3 Wl'e8 Other options: 1 0 . . ..if6 1 1 .�c2 ctJc6 1 2.e4 transposes to 9 ....if6 above. 1 0 ... ctJd7 1 1 .�c2 �eS 1 1 ...ctJf6 can be met comfortably with 1 2.ctJd2 intending 1 3.e4. 1 2. a3!? I like this clever approach. There is no point for White to rush with 1 2.e4, as it only eases Black's game: 1 2 . . .f4 1 3.e5 dxe5 1 4.dxe5 �h5 and Black achieved good results in practice. 1 2 ...�h5 1 3. b4 White easily develops his play on the queenside, while Black's attacking prospects on the kingside remain in doubt, Sundararajan - Williams, Yerevan 1 999.

l 1 .ttJel!? Far from being White's most popular choice, but somehow I am fond of this manoeuvre. I found the positions after 1 1 .l"1e 1 �h5 1 2.e4 f4 1 3.e5 d5 to be rather double-edged. 1 1.. ..if6 1 1 . ..ctJd7 may have been a slight improvement, although after 1 2.ctJd3 ctJf6 1 3 .�c2;!; White has a pleasant game. 1 2.e4 This is the correct moment to advance the e-pawn, as the reply .. .f4 is not possible. 1 2 ... fxe4 1 3 ..ixe4 eS

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This position occurred in Broomfield Phillips, West Bromwich 2003. Here instead of the soft 14.dxe5 I recommend:

14.ttJg2!N ttJd7 Or 1 4 . . . ctJc6 1 5.l"1e 1 ! WhS 1 6.dxe5 dxe5 1 7 . .ixc6 bxc6 1 S.f4 with a large advantage for White. lS.l"1el c6 1 6.dxeS dxeS 17.ttJf4! ttJcS 17 . . . exf4 runs into the elegant 1 S ..ixh7t! Wxh7 1 9.1"1xeS l"1xeS 20.�h5t winning. 1 8 ..ic2

Chapter 1 6 - Classical Variation

25 1

White has a clearly favourable position, with easy play against Black's weak central pawn.

C3) 7. . ctJe4 .

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always considered this continuation as Black's most interesting possibility, especially taking into account the fact that I failed to achieve anything special for White on the first occasion on which I encountered it over the board. Now, after doing some serious work on this line, I can state with confidence that Black is far from reaching equality.

8.ctJxe4 Undoubtedly the critical reply. My above mentioned game, Avrukh - Vouldis, Ermioni Argolidas 2005, saw B .Wc2 ctJxc3 9.bxc3 ctJc6 and Black had reasonable prospects. 8... fxe4 9.lDd2 The alternative is 9.ctJe 1 , but I failed to discover any advantage against Black's play in the following game: 9 ... d5 1 0.f3 dxc4 1 1 .fxe4 �xfl t 1 2.ixfl c5 1 3.e3 lUc6 1 4.ctJf3 if6 1 5.ixc4 cxd4 1 6.exd4 lUxd4 1 7.ie3 lUxf3t 1B.Wxf3 Lindberg - Brynell, Stockholm 2007. Now after 1 B . . .ixb2!N 1 9.�fl WeB I do not see how White can pose any serious problems. 9 ... dS

10.£3! White wastes no time in breaking down Black's central pawn chain. Now we will consider C31 ) 10 ... exf3 and C32) 1O .. ctJc6. The alternatives are not really playable: .

1 0 . . . e3?! l 1 .lUbl dxc4 1 2.ixe3 if6 1 3.lUa3 and Black's position soon collapsed in the following game: 1 3 ... c5?! 1 4.dxc5 ixb2 1 5.WxdB E:xdB 1 6.E:ad l E:fB 1 7.lUxc4+ Schandorff - Bleis, Copenhagen 2007. 10 . . . c5?! 1 1 . fxe4 E:xfl t 1 2.Wxfl dxe4 ( l 2 ... dxc4 1 3.d5±) 1 3.dxc5 Wd4t 14.';t>h l id7 1 5.ctJxe4 ic6

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This was Iljin - Obukhov, Alushta 200B. Now very strong would have been 1 6.ig5!N ixe4 1 7.ixe7 ixg2t I B.�xg2 lUc6 1 9.id6± and White keeps a material advantage.

252

The D utch Defence

C31) 10 ... exf3 l 1.CLlxf3 ctJc6 The main alternative is 1 l . . .c5 but this looks premature. 1 2 .�e3! The opening ofthe centre favours White, who enjoys a significant lead in development. 1 2 . . . cxd4 1 3.ctJxd4 Elxfl t This position occurred in two games, but on both occasions White missed the strong:

1 2 ...if6 The ultra-active 1 2 . . . e5?! seems a bit too optimistic. The game Relange - Bricard, Besancon 1 999, continued 1 3.l2lxe5 l2lxe5 1 4.dxe5 Elxfl t 1 5.Wxfl Wf8t and now White should have played 1 6.�f3N dxc4 1 7.Wd5t Wh8 ( l 7 . . .Wf7 1 8.bxc4±) 1 8.Wxc4 �h3t 1 9.gl �c5t 20.h 1 c6 2 1 .�f4, when his extra pawn is quite significant. 1 3.ia3 Ele8 14.e3 We have reached a fairly stable middlegame, with White maintaining some positional pressure. 14 ...b6 l S.CLlel ib7 16.ctJd3 dxc4 White was ready to seize the initiative on the kingside by means ofWg4 followed by l2lf4, so Black is looking for counterplay.

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1 4.xf1 !N l2lc6 The point is that the natural 1 4 . . . dxc4 runs into a strong reply: 1 5 .l2lxe6! Wxd l t 1 6.Elxd l and White emerges with at least an extra pawn after 1 6 . . . l2lc6 1 7.�d5 Wh8 1 8.�xc4. 1 5.cxd5 exd5 1 6.Wb3 l2lxd4 1 7 .�xd4± White is winning a pawn.

17.bxc4 l2laS 1 8.ixb7 l2lxb7 1 9.ctJf4 CLld6 This position occurred in Maletin Ovechkin, Nizhnij Tagi1 2005, and now White could have retained an edge with:

12.b3

C32) 10 ... ctJc6 I believe this is the most challenging.

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Chapter 1 6 - Classical Variatio n

1 1.fxe4 �xf1 t Clearly inferior is: 1 l ...dxc4? 1 2.�xfSt ixfS 1 3.e3 b5 1 4.a4! ia6 1 5.e5 lLlb4 1 6.'lWg4+ Black collapsed very quickly in Fridman Taylor, Minneapolis 2005 .

1 6.a3 ltJdS 17.�xc4 White has a healthy extra pawn, Jones Williams, Liverpool 2006. C4) 7 ...'lWe8 This is Black's most popular choice by some margin. The queen usually makes its way to h5 or g6, although it can sometimes remain on eS to support the . . . e6-e5 advance after . . .idS. Still, somehow Black's pieces lack coordination and he can hardly hope for equal play.

8.b3

12 ...dxc4 1 3.te3 a6 Black intends . . . b5 and . . .ib7. The immediate 1 3 . . . b5 runs into the unpleasant 14.a4 b4 1 5 .e5! ib7 1 6.'lWc2 lLlxd4 1 7.'lWxc4 ixg2 l S.r;t>xg2+- and Black loses material, Cox - Williams, Birmingham 2006. 14.eS �b8 l S.�c1! Simple and strong. In the recent game Avrukh - Meessen, Ohrid 2009, I instead opted for 1 5.ie4, but after 1 5 . . . lLlb4N 1 6.'lWb l h6! Black should be okay. 15... ltJb4 This loses a pawn without any compensation, but even after the superior 1 5 . . .'lWd7 1 6J':&xc4 4Jxe5 1 n:&c1 lLlc6 ( l 7 . . . lLlg4 l s.if4 id6 19.e3±) l S.d5! exd5 1 9 .'lWxd5t r;t>hS 20.if4 White is clearly better.

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Now Black's main options are C41) 8 ... ltJc6, C42) 8 ... ltJbd7, C43) 8 ...c6, C44) 8 ...'lWhS and C4S) 8 ... aS.

C41 ) 8 ... ltJc6 9.dS! ltJd8 9 . . . exd5 1 0.cxd5 lLle5 1 1 .lLld4! This pawn structute is obviously favourable for White. Here is one illustrative example: 1 l . . .'lWh5 1 2.f4 lLleg4 1 3.h3 lLlh6 1 4.'lWd3 White has a clear positional edge, although there was no need for Black to aggravate his problems with the following mistake. 1 4 . . . lLle4? 1 5.g4! Black must have overlooked this. 1 5 . . . fxg4

254

The Dutch Defence

Trying to complicate matters, but it fails miserably. l 6.i.xe4 gxh3 l 7.i.xh7t �h8 l 8.�hl i.h4 1 9.�g6 1 -0 Adamski - Christensen, Copenhagen 2000.

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9 . . e5 Black has also tried 9 . . . �h5 1 0.�c2 lOg4 intending to bring the second knight to f6, but the idea seems a bit extravagant. l 1 .h3 lOh6 l 2.e4 f4 was seen in SalhS 1 9.fie4 1 -0 Lomineishvili - Rychagov, Moscow 1 997.

14.'lWe2

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1 1.e4! It turns out that Black is not really preventing the e2-e4 advance. 1 1...lLlxe4 12.lLlxe4 fxe4 13.E:xe4 The rook is untouchable, as after 1 3 ...Wfe4? 1 4.lLlh4 the queen is trapped. 1 3 ... lLlb4 Another option is: 1 3 ... e5 1 4.lLlh4! This is the easiest way to prove White's advantage.

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14...J.f6 The alternatives are no better: 1 4 . . . e5? This idea simply leads to disaster. 1 5.dxe5 fif5 I G.exd6 fixe4 1 7.dxe7 E:fe8 I S.lLle5 fid3 1 9.Wfd2 WfdG 20.a3 and White wins, Chuchelov - Spice, Clichy 1 995. 14 ... Wfh5 1 5.a3 lLlaG I 6.lLld2 Wfxe2 1 7.E:xe2 c6 I S.E:ael and White is clearly better, thanks to the weakness of the e6-pawn, Rieke - Moser, Oberwart 2000.

1 5.a3 lLla6

Chapter 1 6 - Classical Variation Somewhat stronger is 1 5 ... ctJc6, although White keeps serious pressure after 1 6J��e l .

16.J.h3! Now it is hard for Black to defend the e6pawn, for instance: 16 ... ttJcS 17J!e3 '\WhS l S.r,ilg2! eS 1 9.J.xcS exd4 This position occurred in Contin - Caruso, Monselice 2003.

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20.J.xb7!N The game continued 20.g4 Wf£1 2 1 .ibe6 ctJxe6 22.E\xe6, and now Black for some reason did not play 22 ... d3N, when the position would have become less clear than we would like. The text leaves us in no doubt about the final evaluation. 20... dxe3 21 .J.xaS E\xaS 22.J.xf6 gxf6 23.'\Wxe3 White has an extra pawn and a winning position.

26 1

Conclusion: The Classical Dutch does not, and perhaps never will, enjoy the best reputation. Nevertheless it should under no circumstances be underestimated, as the black position contains a surprising amount of dynamic potential. In most variations my recommendations are not difficult to understand; White will look to develop his pieces in a purposeful way, usually with a view to opening the centre with e2-e4. This should enable him to enter the middlegame with optimism, although in most cases the main battle will lie ahead.

Dutch Defence a

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Leningrad Variation Variation Index l . d4 f5 2.lDf3 lDf6 3.g3 g6 4.i.g2 i.g7 5.0-0 0-0 6.b3 A) 6 ... c5 B) 6 ... d6 7.i.b2 Bl) 7 ... a5 B2) 7 ... e6 B3) 7 ... c6 B4) 7 ... lDe4 8.lDbd2 lDxd2 9.�xd2 B41 ) 9 ... lDd7 B42) 9 ... lDc6 B5) 7 ... e5?! B6) 7 ... h6 B7) 7 ... lDc6 B8) 7...�e8 8.c4 B8 1) 8 ... e5 9.dxe5 B81 1) 9 ... lDg4 B812) 9 ... lDfd7 B82) 8 lD c6 B83) 8 ... lDe4 B84) 8 ... lDa6 9.�c2!? B841 ) 9 ... h6 B842) 9 ... lDb4 B843) 9 ... gb8 ..•

263 265 265 266 267 270 271 272 273 275 276 278 278 278 279 280 281 282 284 285 286

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Chapter 1 7 - Leningrad Variation

l.d4 f5 2.�f3 �f6 3.g3 g6 4..ig2 .ig7 5.0-0 0-0 The alternative move order 5 ... d6 6.b3 does not change much, since after 6 ... 0-0 7 . .ib2 the play just transposes to our main line B. The only other possibility worth mentioning is 6 ... c5, although in general I am not a great believer in mixing the moves ...f5 and ... c5 early in the opening. 7 ..ib2 (But not 7.dxc5 CLle4 8.c3 CLlxc5 with reasonable play for Black.) 7 ... CLle4 8.c4 CLlc6 9.e3 0-0 1 0.CLlc3 This position will be examined after 6 . . . c5 in line A below. 6.h3 The most popular theoretical continuation is 6.c4 intending 7.CLlc3, but after careful consideration I have come to the conclusion that the text offers at least as many chances for White to fight for the advantage. Leningrad players will tend to advance the d-pawn one square without a second thought, although of course there are many other moves that can be tried. We will consider the semi serious alternative A) 6 ... c5, before moving on to the standard B) 6...d6. Here is a brief round-up of the alternatives. 6... CLle4 7 ..ib2 c5 8.c4 CLlc6 9.e3 reaches a position that will be examined in line A below. 6 ... d5 7.c4 c6 reaches a Stonewall structure in which it is hard to believe g7 can be the right square for Black's dark-squared bishop. Here I like the following plan involving the active development of the bishop on a3: 8 ..ia3 Wh8 9.e3 .ie6 1 O.Wd3 CLle4 1 1 .Elcl CLld7 1 2.CLlc3t with a pl�asant game for White, Van Wely Garcia Ilundain, Linares 1 995. Black must be on guard against a well-timed capture on d5, intending to meet ... cxd5 with Wb5. 6... c6 7 ..ib2 Now one of the Stonewall versions is

7 ... d5 Perhaps Black can claim to have improved slightly over the previous line, since the bishop has committed itself to b2. However, White's position is still a little more comfortable. Of course 7 . . . d6 would transpose to Line B3. 8.CLlbd2 Wh8 9.CLle5 This plan seems quite natural to me; White is not obliged to rush with c2-c4. 9 . . ..ie6 1 0.e3 1 O.c4!? is also quite playable. 1 0 ... CLlbd7 1 1 .CLld3 a5 1 2.a4 .ig8 1 3.c4 CLle4 1 4.Elcl Wb6 1 5 .CLlf3 Wa6 16.Wc2 Elac8 1 7.Elfd U White has a pleasant game with a small but stable edge, Neverov - Rendle, Hastings 2008.

A) 6 ... c5

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7.e3 One of Black's key ideas is that after 7 . .ib2 cxd4 8.CLlxd4 d5! he gets a very decent game. Apart from the main move, White can also use the move order 7.c4 CLle4 8 ..ib2 CLlc6 9.e3 to reach the same position as in the main line with 7.e3. 7... �c6 8 ..ib2 ttJe4 9.c4 d6

264

The Dutch Defence

Black has an important alternative in: 9 . . . e6 1 0.We2! A logical move. By defending the bishop on b2 White gives himself the options of d4-dS and dxcS. 1 0 . . .Wf6 This attempt to maintain the pressure was not really successful in the following game: 1 1 .lOc3 gS 1 2.lOxe4 fxe4 1 3 .lOeS dS 1 4. f3! lOxeS l S.dxeS Wg6 In Kushnir - Levitina, Dortmund 1 977. White missed a strong continuation:

lO.ltJc3 e6 10 . . .WaS was played in Romanishin - Nikac, Bar 200S, and now the simple 1 1 .Wd3!N would have secured a promising position, for instance: 1 1 . . .lOf6 ( l 1 . ..lOb4 achieves nothing after 1 2.Wb l ) 1 2.dS lOb4 1 3.We2± with a pleasant advantage for White.

A more popular and important alternative is: 1 0 ... lOxc3 1 1 .�xc3 WhS The tempting 1 1 . ..eS is well met by 1 2.dxcS ! (More accurate than 1 2.dxeS, as in this case Black is not obliged to recapture the pawn immediately, but can instead try 1 2 ...�e6 or 1 2 . . . !'!eS.) 1 2 . . . dxcS?! (Somewhat stronger

for Black would be 1 2 ... e4N, but also here after 1 3.�xg7 Wxg7 1 4 .lOd4 [also interesting might be 14.cxd6!? exf3 l S.�xf3 �e6 1 6.cS� with strong compensation] 1 4 ... dxcS l S.lOxc6 bxc6 1 6. f3 exf3 1 7.Wxf3 and White will continue with e3-e4 and enjoy a pleasant advantage, thanks to Black's dubious pawn structure.) 1 3.WdSt! WxdS 1 4 . cxdS lOb4 I S.�xeS lOxdS 1 6.�xg7 Wxg7 1 7 .!'!ael ± Gelzenleichter - Gudat, Wingst 1 999. Black loses his cS-pawn, since 1 7 . . . b6? runs into I S.lOgS! winning. 1 2.!'!e l Wc7 1 2 . . . eS?! does not achieve the desired result after 1 3.dxeS dxeS 1 4.WxdS !'!xdS I S.lOgS! !'!fS 1 6.�xc6 bxc6 1 7.!'!fd 1 and White is clearly better. We are following the game Zilberman Kosashvili, Kfar Sava 1 993. Here White should have played the natural:

1 3 .dSN For example: 1 3 . . .�xc3 1 4.!'!xc3 lOeS Now White has a strong retort: l S.e4! f4 l S . . . lOxf3t 1 6.!'!xf3! makes good use of the rook's position on the third rank. 1 6.Wd2 fxg3 1 7.hxg3 White's better structure ensures a slight but long-term edge. He can also consider the more aggressive 1 7.fxg3!? when Black will have to play carefully to defend his kingside.

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1 1 .�cl Vfie7 This was Schuh - Kummer, Oberwart 1 993. Here White could have obtained a serious advantage with the following forcing line:

B) 6 ...d6 7.i.b2

7 .. .t2Ja6 8.c4 has little independent signifi cance. For Black to make any sense of the posi tion of his knight he will have to play . . . c6 in the near future, transposing to line B3. 7 . . . ttJg4 This strange-looking move, which prepares a quick . . . e5, has been tried by several strong players i ncluding Vladimir Malaniuk, a Leningrad specialist. White should react with 8.h3 ttJh6 9.tt:k3 Seldom played, but it seems to work well. 9 .. .f4 Or 9 . . . ttJf7 1 0.e4. 1 0.g4 c6 1 1 .Vfid2 ttJd7 This was Ftacnik - Gurevich, Jakarta 1 996. Now before carrying out the intended e2-e3, White should have first prepared this with: 1 2.l:'lad l !N I analysed the following line, which illustrates White's chances rather well. 1 2 . . .'lWa5 1 3.e3 fxe3 1 4.'lWxe3 e5 1 5.ttJa4! ttJf7 1 6.dxe5 ttJdxe5 17.ttJxe5 iLxe5 1 8.iLxe5 'lWxe5 1 9.'lWxe5 dxe5 20.ttJc5! With an obvious positional edge.

Bl) 7 a5 8.c4 ...

A bit more flexible than 8.ttJbd2 a4 9.c4.

266

The D utch Defence

S ... ltJa6 There is not much point for Black to advance the a-pawn: 8 ... a4 9.b4! W'e8 1 0.CLla3! (this is an extra option White gets by refraining from 8.CLlbd2) 1 0 ... c6 I 1 .1'!b l h6 Delchev - Biliskov, Zadar 200 1 . Now I like I 2.b5!N when White is obviously better, as Black failed to obtain any decent counterplay.

12 .. .'&f7?! 1 3.e4 fxe4 1 4.ltJxe4 irs

9.ltJbd2 c6 l O.W'c2! Just in time. If 1 0.a3 Black can already get a decent game by means of 1 0 ... e5! I 1 .dxe5 CLlg4. l O.. .'!WeS 1 O ... CLlb4 does not really bother White, as he will soon regain the lost tempo by chasing the knight away. I 1 .W'b l 1'!b8 I2.a3 CLla6 1 3 .W'c2 b5 I 4.CLle 1 ! ? A remarkable positional idea that we will see in other lines as well. The knight is heading for d3, increasing the pressure along the h l -a8 diagonal. I 4 ...�d7 I 5.CLld3 CLlc7 I 6.e3 CLle6 1 7.1'!acU White has obtained a pleasant game, 1. Ivanov - Lutikov, Yerevan 1 977. 1 0 ...�d7 1 1 .a3 b5 I 2.CLle1 1'!b8 I 3.CLld3 transposes to the position reached after 1 0 ... CLlb4 above.

1 1 .a3 Other moves are possible, but I like the text the most. 1 1 ...h6 Quite interesting is 1 1 ...CLlh5 1 2.e4 f4 1 3.d5 e5 14.dxe6 �xb2 1 5.W'xb2 �xe6 1 6.e5! and White seized the initiative in Odendahl Dormann, Germany 1 992. 1 2J3ael Now everything is ready for the e2-e4 advance. In the following game Black failed to find an adequate response.

B2) 7... e6 This arrangement has recently been played very often by the top Slovenian female player Muzychuk. Still, I find it hard to believe that Black can fight for equality in this way.

S.c4 Wfe7 9.ltJc3 In this position the knight belongs on c3, as it is useful to have the option of j umping to d5 after ... e6-e5.


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9... ttk6 Muzychuk has tried a couple of alternative set-ups, without much success.

This position was reached in Johannsson Menvielle Lacourrelle, Havana 1 966. Now I discovered the following remarkable line:

9 ... tLl bd7 is well met by 1 0J'l:e1 , planning a quick e2-e4. 1 0 . . . tLle4 1 1 .tLlxe4 fxe4 1 2.tLld2 d5 1 3.f3! exf3 ( 1 3 ...�h6 does not change much: 1 4.tLlfl tLlf6 1 5.W'c2 forces Black to capture on f3 anyway.) 1 4.exf3 c6 1 5.f4 tLl f6 1 6.a4 W'c7 1 7.tLlf3 tLle4 l S.tLle5± and White's positional advantage is obvious, Tratar - Muzychuk, Bled 200S.

13.Elacl!N The game continuation of 1 3.Elfd 1 allowed Black to obtain a satisfactory position by exchanging on d5. Mter the text move the pressure against c7 prevents this idea.

9 . . . c6 1 0.�a3 c5 Now I like White's play in the following game: 1 1 .b4! tLle4 1 2.Ek1 cxb4 1 3.�xb4 tLlc6 1 4.�a3 tLlxc3 1 5.Elxc3 EldS 1 6.Ele3!? �h6 1 7.Eld3 and White exertS long lasting pressure thanks to his better pawn structure, Sasikiran - Muzychuk, Antwerp 2009.

1O.W'c2 1 0.d5 should also be good enough for an edge, but I like the text even more. 1 O...e5 10 . . . tLldS looks too passive. After the simple 1 1 .e4 fxe4 1 2.tLlxe4 tLlxe4 1 3.W'xe4 tLlf7 1 4.Elfe1 W'f6 1 5.Ele2± White was much better in Butnorius - Ashby, Gibraltar 2007. 1 1.dxe5 dxe5 12.ltJd5 W'd6

1 3... e4 14.Elfdl! 'lWc5 1 5.lt'lg5 h6 16.ltJh3 g5 1 7.'lWd2 This is stronger than 1 7.tLlxc7 tLl b4 1 S.W'd2 W'xc7 1 9.W'xb4 f4, with some compensation for Black due to the misplaced knight on h3. 17...'lWd6 Defending c7. 1 7 ... ElO is also not an ideal solution in view of 1 S.tLlxf6t �xf6 1 9.�xf6 Elxf6 20.W'd5t W'xd5 2 1 .cxd5 when the c7pawn drops anyway. Mter the text move Black seems to be holding his position together, but an unpleasant surprise awaits him. lS.ltJxg5! hxg5 1 9.'lWxg5 ltJeS 20.ltJf6t Elxf6 2 1.i3xd6 i3xd6 22.c5 i3d7 23.f3! White has a serious advantage. Material is approximately equal, but Black's exposed king and poor coordination will almost certainly force him to make some further concessions. B3) 7 ... c6 S.ltJbd2

The Dutch Defence

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8 . . . ttJa6 This is Black's usual choice. There is also: 8 ...'We8 9.c4 h6 9 ... e5? 1 0.dxe5 tOg4 does not work in view of the thematic 1 1 .�a3!± V. lanov - Stepanets, Policka 1 996. 1 0.'Wc2 g5 1 1 .e4 Another possible plan is 1 1 .e3 followed by play on the queenside, but I prefer the text. 1 l ...fxe4 1 2.tOxe4 tOxe4 After 1 2 ... 'Wg6 1 3.tOxf6t 'Wxf6 14.E1ael tOa6 1 5.E1e3, we reach the note to Black's 1 0th move in line B841 (7 . . . 'We8 8.c4 tOa6 9.'Wc2 h6 1 0.tObd2 g5 1 1 .e4 fxe4 1 2.tOxe4 'Wg6 1 3.tOxf6t 'Wxf6 14.E1ae l c6 1 5 .E1e3). 1 3.'Wxe4 �f5 14.'We3 In general, after carrying out the e2-e4 advance and opening the e-file White's position seems to me to be preferable from a positional point of view, due to the permanent weakness of Black's e-pawn. Here is an illustrative example: 1 4 ... tOd7 1 5.E1fe l 'Wg6 1 6.h3 E1ae8 Garifulin - Pasko, Evpatoria 2006. Now White missed a strong opportunity:

20.tOh4! gxh4 2 1 .�xe4 'Wg5 The continuation 2 1 ...'Wf7 22.�f5 exd4 23.E1xe8 E1xe8 24.�xd4± does not bring Black any relief either. 22.'Wxg5 hxg5 23.�a3! E1f6 24.�f5 E1d8 25.dxe5 tOxe5 26.E1e3± The endgame is clearly in White's favour, due to his strong bishop pair.

9.c4 eS The most popular alternative 9 ...'We8 1 0 .'Wc2 will be examined in the note to Black's 9th move in variation B84, via the move order 7 ... 'We8 8.c4 tOa6 9.'Wc2 c6 (see page 283). l O.dxeS

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1 7.g4!N �c2 1 8 .E1acl Black starts to experience definite problems, due to the awkward position of his light squared bishop. 1 8 . . . e5 19.'Wd2 �e4 Now White carries out a favourable simplification.

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l O. .. ttJd7 As always, the other option is: 1 0 ... tOg4 1 1 .'Wc2 It looks interesting, though perhaps a bit too speculative, to try: 1 1 .�a3 tOxe5 1 2.tOxe5 �xe5 1 3.tOf3 �xa1 1 4.'Wxa1 � 1 1 . ..tOxe5 Black cannot play 1 1 .. .dxe5? in view of 1 2.h3±. 1 2.E1ad 1 Black has a playable posmon, but as I mentioned already he can seldom hope for full equality in this kind of structure. White

Chapter 1 7 - Leningrad Variation almost always keeps some pressure and can gradually look to expand on the queens ide. 1 2 ... 'We7 1 3.a3 Not only preventing a possible knight j ump, but also preparing a future advance of the b-pawn. 1 3 . . .i,d7 Another option is 1 3 ...i,e6 14.L2ld4 i,d7 (if 14 ... i,£7 White can bravely continue with 1 5.e4!, since Black has blocked his kingside rook and thus deprived himself of the option of .. .f5-f4. 1 5 . . .fxe4 1 6.L2lxe4 d5 1 7.cxd5 i,xd5 1 8J�fe 1 Elae8 1 9.f4 L2ld7 Khurtsidze - Vrana, Bad Woerishofen 2005. Now the accurate 20.b4!N would have brought White a clear plus, thanks to her much better mobilized pieces and the problematic placement of Black's queen.) 1 5.e3!N (This seems to me more accurate than 1 5 .Elfe 1 as occurred in Damljanovic - Anic, Santa Cruz de Tenerife 1 995, when Black could have obtained reasonable counterplay by means of 1 5 . . .f4!.) After the text White retains better chancesinacomplexmiddlegame,forexample 1 5 . . . L2lc5 1 6.b4 L2le6 1 7.L2l4b3!t heading for a5. 1 4.b4 L2lc7 1 5.L2lb3 i,e6 1 6 .L2la5 Elab8 1 7 .L2ld4 i,£7 This position was reached in Milos - Ochoa de Echaguen, Las Palmas 1 993. Now I like the following idea:

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With the natural plan of increasing the pressure by doubling rooks along the d-file. At the same time White also sets a nIce trap: 1 8 ... d5 1 9.cxd5 i,xd5 20.i,xd5t L2lxd5 Somewhat stronger is 20 ... cxd5 although after 2 1 .Elcl White maintains a clear positional advantage. 2 1 . L2ldxc6! bxc6 22.i,xe5 'Wxe5 23. L2lxc6 'Wc3 24.L2lxb8 'Wxc2 25.Elxc2 Elxb8 26.Eld 1 ± White is much better.

1 1 .ctJd4! This is the way to force Black to recapture on e5 with the knight rather than the pawn - an idea that is well worth remembering! l 1...ctJxeS 12.a3 White prepares the advance of the b-pawn. 1 2 ... ctJc7 We have been following the game Lazarev - Ficco, Castellaneta 2000. Now I like the following plan:

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1 3.b4!N This is the consistent follow-up to the previous move. 1 3.. JMie7 14.\Wb3! This move carries a subtle positional threat.

270

The Dutch Defence

14...�h8 Not the best response, but it looks very natural and allows us to see the real point of White's previous move. 1 5.f4! ttJg4 1 6.e4 The queen covers the e3-square, and White is obviously better. B4) 7... llJe4 8.llJbd2

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8... ttJxd2 Black has several other options. 8 . . . d5 The Stonewall set-up is always an option, although as I mentioned previously, it is unlikely to bring him equal chances in most cases. White should continue 9.c4 c6 1 0.Ek 1 with the more pleasant game, for instance 1 0 ...ih6 1 1 .e3 ie6, Bareev - Palatnik, Voronezh 1 987, and now I like the following idea: 1 2.iWc2!?N ttJa6 1 3.a3 l'l:c8 1 4.ttJe5 i.g7 1 5.ttJd3 White has seriously improved his position, while Black failed to get any real counterplay. 8 ... c5 9.iWc 1 ! By defending his dark-squared bishop White immediately solves the problem of any tension along the a 1 -h8 diagonal.

9 ... ttJxd2 If 9 ...cxd4 it looks good to try 10.ttJxe4!? fxe4 1 1 .ttJxd4 d5 1 2.c4 and Black's centre is quite vulnerable. 1 0.iWxd2 ttJc6 A couple of games have reached this position. I like the following new idea: 1 1 .l'l:ad 1 !?Ni Restraining the possible . . . e7-e5 break, and planning c2-c4 with a pleasant edge. 8 . . . ttJc6 9.ttJe l ! The best chance to fight for an opening advantage. 9 ... d5 Once again we encounter another slightly different incarnation of the Stonewall structure. I nstead after 9 . . . ttJxd2 1 0.iWxd2 the play transposes to 8 ... ttJxd2. 1 0.ttJdf3 f4 This is the only move to have been tested, but perhaps Black is trying to become too active. 1 1 .ttJd3 g5 Another option is 1 1 . .. fxg3 1 2. hxg3 if5 1 3.l'l:c1 ih6 1 4.l'l:b 1 (certainly White has no intention allowing 1 4.e3 ig4) 1 4 . . .i.e6?! (This allows White to seize the initiative. More accurate was 1 4 ...ig7 although after 1 5.c4 e6 1 6.l'l:c 1i White's position looks preferable to me.) 1 5.ttJc5! ttJxc5 1 6.dxc5 if5 1 7.b4 ig7 1 8.ixg7 Wxg7 1 9.b5 with a clear advantage, Cramling - Ziska, Calvia 2006. 1 2.c4 e6 1 3 .l''k 1 As often happens, the advance of the f-pawn did not bring Black any dividends and only weakened his position on the kingside. White proved his advantage in the following game: 1 3 ... ttJe7 14.ttJd2 ttJd6 1 5.e3 fxe3 1 6.fxe3 ttJdf5 1 7.iWe2± Lputian - Gurevich, Jurmala 1 983.

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14.i.xb7! And White wins. a

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Black occasionally tries B41) 9 ttJd7, but the most popular move by far is B42) 9 ttJc6. ...

...

B41) 9 tDd7 ...

The idea of transferring the queen's knight to f6 is far from senseless, but it gives White a bit of extra time to carry out his plans.

10.c4 ttJf6 Two other options are relevant, but insufficient: 1O . . . e5? This move occurred j ust once, in Claus Haase, Kassel 2000. Now White can achieve a big advantage with some energetic p lay. 1 1 .ttJg5!N I analysed the following attractive line that illustrates the dangers Black is facing: 1 1 . . .ttJb6 1 2.dxe5 i.xe5 Or 1 2 ... dxe5 1 3.'.Wxd8 E!:xd8 14.E!:ad1 i.f6 1 5.f4!±. 1 3.i.d5t! The key move. Unexpectedly Black is unable to avoid material losses. The point is revealed after: 1 3 ... Wg7

1 0 ... c6 White can try a few different plans here, but I found the following idea to be the most interesting. 1 1 .ttJg5!? ttJf6 1 2.d5 i.d7 I also examined 1 2 . . . c5 1 3.E!:ae 1 preparing the advance of the e-pawn. 13 ... h6 1 4.ttJe6 i.xe6 1 5.dxe6 ttJe4 1 6.i.xe4 fxe4 1 7.i.xg7 Wxg7 1 8 .'.Wd5 '.Wc8 1 9.'.Wxe4 E!:f6 20.f4 E!:b8 2 1 .'.Wd3 '.Wxe6 22.e4 and despite heavy simplifications White keeps the initiative, for instance 22 ... E!:ff8 23.e5 E!:bd8 24.exd6 '.Wxd6 25.'.We2 with an obvious advantage, due to the weakness of the e-pawn.

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This position occurred i n Stefansson Fernandes, Istanbul 2000. Now I found the following improvement: 1 3 .E!:ad l !?N h6

272

The D utch Defence

Black cannot really sit and wait, as White can seriously consider opening the centre. For instance, after 1 3 . . .l::Ic 8 there is 1 4.dxc6!? bxc6 1 5.c5! d5 1 6.�e5 with a favourable position. 1 4.Ct:Jh3 g5 Preventing Ct:Jf4. 14 ... cxd5? is no good in view of 1 5 .�xf6 followed by 'lWxd5t and 'lWxb7. 1 5.dxc6! This is a concrete and strong approach. 1 5 ...�xc6 1 5 . . . bxc6 leads to a more or less forced line: 1 6.c5! Ct:Je4 (after 1 6 . . . d5? 1 7.�xf6! �xf6 1 8.�xd5t White wins material) 1 7.�xe4 fxe4 1 8.�xg7 �xg7 1 9 .Ct:Jxg5! hxg5 20.'lWxg5t �h7 (Worse is 20 ... �f7 2 l .f3! e3 22.l::& d4 �e6 23.'lWh6+- and Black appears to be helpless.) 2 1 .cxd6 l::I f7 22.'lWh5t �g8 23.'lWg6t l::I g7 24.'lWxe4± Black managed to survive in the complications, but White emerged with a material advantage with four pawns against a bishop. 1 6.f4 g4 1 7.Ct:Jf2 White is much better, as he has a clear plan of carrying out the e2-e4 advance, for instance: 1 7 . . . h5 1 8.�xf6! �xf6 1 9.�d5t± Followed by e2-e4.

1 1.d5 White intends to continue with 1 2.Ct:Jd4, so Black has to react somehow. 1 l tLle4 1 2.'!We2 e5 1 3.dxe6 Once again reaching the typically favourable pawn structure. •..

13 ...ibxb2 14.'lWxb2 ibxe6 15.ttJd2! The knight swap allows White to increase the pressure against Black's queenside. 15 ...tLlxd2 1 6.'lWxd2 '!We8 17.l::I fe1 ! Now the e2-e4 advance will be very strong.

17 ... l::I b8 1 8.e4 f4!? Black decided to jettison a pawn in order to keep the e-file closed. 1 9.9xf4 ibh3 We have been following the game Zilberman - Gonzalez, Mallorca 2004. Now White could have secured his advantage with:

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20.'lWd5t!N l::I f7 21.£3 With the following point: 2 1 ...ibxg2 22.@xg2 'lWd8 23.l::I adl 'lWh4 24.e5 '!Wxf4 25.exd6 cxd6 26.l::I e7± B42) 9 ... tLle6

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Chapter 1 7 - Leningrad Variation This is by far the most popular and challenging move.

10.'Llel! A very important idea, otherwise Black is just ready to carry out . . . e7-e5. 10 ...\WeS Definitely the safest reply. White forces favourable simplifications after: 1O ... e5?! 1 1 .�xc6! White can also give a preliminary check on d5, but I do not believe it changes the evaluation either way. 1 l ...bxc6 1 2.dxe5 dxe5 1 3.4.Jd3 e4 After 1 3 ... \We7 1 4.\Wc3! Black is in trouble. 1 4.�xg7 �xg7 1 5.\Wc3t \Wf6 Here I found a very strong new idea:

1 1 .f4!? Absolutely harmless is 1 1 .e4 fxe4 1 2.�xe4 e5 1 3.dxe5 �xe5!, as correctly pointed out by Stohl in ChessBase Magazine 66. l 1 ...eS 1 2.idSt! On this occasion this intermediate check is an important nuance. 12 ... �hS 13.dxeS dxeS 14.'Lld3 exf4 Black is certainly not helped by 1 4 ... e4 1 5.�xg7t mxg7 1 6.\Wc3t l"lf6 1 7.ttJe5! and White dominates the board, as once again pointed out by Stohl. l s.ixg7t �xg7 Thiswas Stohl - Kindermann, Portoroz 1 995. Now I suggest the following improvement:

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1 6.4.Je5!N The previously played 1 6.iWxf6t mxf6 1 7.'Llc5, Kolev - Danailov, Zaragoza 1 994, does not promise much against the correct 1 7 .. J''1d S!N l S.l"lfd 1 l"ld5! with good chances to hold. 1 6 ...�e6 The tactical j ustification for White's last move is seen after 1 6 ... l"leS? 1 7.\Wxc6 winning a pawn. 1 7.\Wa5 White intends to strengthen his posmon with l"lad 1 next. H is positional advantage is beyond any doubts.

16 ... \We7 17.e4 \Wf6 l SJ3el 'Lle7 19.13f2! White is much more active. BS) 7...eS?! This is a thematic idea, but it is unjustified here.

The Dutch Defence

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1 2 .iWd5t! iWxd5 1 3.exd5 lLlb4 1 4.lLlcxe5 lLlxd5 1 5 ..ia3 b6 1 6.lLlg5 .ib7 1 7 . .ixc5 bxc5 l S.:gae l :gfeS 1 9.1Lld3 Black loses a pawn.

8.dxeS

9.ttJa3! Once again this move works well. 9 ... lLlc6 Clearly in White's favour is: 9 . . . lLlxe5?! 1 0.lLlxe5 dxe5 1 0 ....ixe5 ? loses material after 1 1 .iWd5t. 1 1 .iWxdS :gxdS 1 2 .lLlb5 lLla6 1 3 .l'hd1 .id7 The main point is that 1 3 ... :geS runs into 1 4 ..id5t �hS 1 5 ..if7! mS 1 6 ..ia3 c5 (Obviously 1 6 ... :gxf7? loses after 1 7.:gdSt .ifS l S ..ixfS) 1 7 ..ic4± with a big advantage, as Black can hardly do anything to oppose White's penetration along the d-file. Now in the game Komljenovic - Milia de Marco, Malaga 2002, White missed an easy

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a b c d e f g h Michna - Dworakowska, Warsaw 2004. 1 1 .e4!N This thematic move looks very strong for White, as Black will experience serious problems connected with the defence of the e5-pawn. Here is an illustrative line: 1 1 ...lLlc5 Black loses a pawn after: 1 1 .. .lLlf6 1 2.'�xdS :gxdS 1 3 .lLlfxe5 lLlxe5 1 4 ..ixe5 lLlxe4 1 5 ..ixc7 :gd7 1 6 ..ie5± 1 l . ..fxe4 1 2.iWd5t followed by 1 3.iWxe4 also leaves Black under pressure.

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1 4.:gxd7!N :gxd7 1 5 ..ixb7 :gbS 1 6 . .ixa6 :gb6 1 7 ..icS :gdS l S.lLlxa7+-

10.'\WdSt �h8 1 1.ttJc4 dxeS No better is 1 1 ...lLlgxe5 1 2.lLlfxe5 dxe5 1 3.iWxdS :gxdS 1 4 ..ixc6 bxc6 1 5.lLlxe5± and White is a healthy pawn up, Reeh - Juhnke, Germany 1 9S5. 12.iWxd8 :gxd8

Chapter 1 7 - Leningrad Variation This position was reached in Dankert Schian, Germany 1 997. Now White has a simple and strong idea at his disposal:

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and kingside, and planning to start an attack on the queenside.

A principled alternative is 1 0.'Wc2 Wh5 1 1 .e4 ( l l .d5 is another option). However, after serious investigation I found the positions after 1 1 ...f4!? 1 2.e5 ctJ h7, Tratar - Balinov, Charleville 2000, as well as 1 1 . ..bce4 1 2.ctJxe4 ctJxe4 1 3.Wxe4 ctJ c6, Makarov - Kontic, Podgorica 1 993, to be pretty double-edged. 1 O... lDa6 There are numerous alternatives.

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13.lLlg5!N ge8 14.J.xc6 bxc6 1 5.£3 lDh6 16.lLla5± With a large positional advantage. B6) 7 ... h6 8.c4 'We8

9.lLlbd2 g5 1 O.e3!? A slightly unusual concept. White refrains from the thematic plan of e2-e4, instead opting to stabilize his position in the centre

Nobody appears to have tried 1 0 ...Wh5, probably because of 1 1 .ctJe l !. After a queen exchange Black would obviously lose all chances for a successful kingside assault. 1 0 . . . e5 1 1 .dxe5 ctJg4 1 2 .Wc2 ctJxe5 was Frois - Dias, Algarve 1 999. Here I like the thematic 1 3.ctJd4N ctJa6 1 4.a3± followed by play on the queenside, while f2-f4 might also be an attractive idea at some point. 1 0 ... c6 This has been played by Nakamura amongst others. Strangely enough nobody seems to have tried the natural: 1 1 .b4!?N Curiously the same position has been reached a few times with White to move, having played b2-b4 i n one move rather than two. Despite the lost tempo, I nevertheless find White's position to be quite promising. 1 l . . .Wh5 1 2 .l"k1 I n this position I am not so keen on 1 2.ctJel on account of 1 2 ...Wxd1 1 3.gxd1 a5! 1 4.b5 �e6 followed by ... �c8 and ... ctJ bd7 with reasonable counterplay. 1 2 . . .f4?! Usually with White's pawn on e3 this idea is unlikely to work. Black should definitely try something else, but I include the text move

276

The Dutch Defence

for illustrative purposes. 1 3.exf4 gxf4 14.l::1 e 1 �f7 1 5 .c5!± Black's attack is unlikely to succeed in a position with an open centre. Meanwhile he will have a hard time defending his weaknesses. 1 0 . . . a5 1 1 .a3 I do not see any point in switching plans with 1 1 .d5, since after 1 1 ...c5! Black obtains a decent position, Powell - Posazhennikov, Telford 2005. 1 l .. .'lWg6 1 2 .'lWc2 c6 We are following the game Hornung Egorov, Augsburg 1 995. Here I find it hard to understand why White refrained from the consistent move: 1 3.b4N With promising play on the queenside. 1 0 .. .f4 1 1 .exf4 gxf4 This position occurred in Mohota - Fossum, Catalan Bay 2004. Here I like the following idea:

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1 2.'lWe2!?N ttJa6 1 3 .�ae1 White wastes no time III creating threats against the e7-pawn. 1 3 ... 'lWh5 Defending e7 indirectly, since 14.'lWxe7?? �e8 wins the queen. But White can alter his plans slightly with: 1 4.ttJh4! �g4 1 5.'lWd3 White is clearly better.

1 1 .i.c3 c6 Black can try 1 1 . ..e5, but there is not much difference between this and 1 0 . . . e5, since after 1 2.dxe5 ttJd7 1 3 .ttJd4! Black is forced to take on e5 with knight. Play continues 1 3 ... ttJxe5 0 3 ... dxe5? runs into the unpleasant 1 4.ttJe6!±) 1 4.b4 and White startS his play on the queenside. 12.'lWc2 'lWg6 13.ctJel ctJc7 14.�dl i.d7 IS.ctJd3 ctJe4 The active 1 5 .. .f4 does not promise Black a satisfactory game after 1 6.exf4 gxf4 1 7.ttJf3 fxg3 1 8.hxg3 �g4 1 9.�d2! intending ttJh4. 16.i.b2 ctJxd2 17.gxd2 ctJe8 1 8.b41; White has a pleasant game thanks to his spatial superiority, Damljanovic - Teran Alvarez, Dos Hermanas 2000. In the game Black played the slightly careless 1 8 . . . ttJf6, which allowed White to increase his advantage with 1 9.ttJe5!. B7) 7...ctJc6 8.dS In my opinion the most challenging move, although 8.ttJbd2 also deserves attention.

Chapter 1 7 - Leningrad Variation Again White benefits from the option of developing the knight on d2. 1 O ... a6 1 1 .'Wc2 The position resembles the Yugoslav variation of King's Indian Defence, with one major difference that Black's f-pawn is on f5. In my opinion this detail should help White, since it weakens both the e6-square and the e7-pawn, making White's intended e2-e4 advance all the more powerful. 1 l ...b5 1 2.�ae l Also worthy of consideration is 1 2.t2Jg5!?N �b8 1 3 .�c3 followed by the penetration of the knight to e6. 12 ... �b8 1 3.�c3 e5 1 4 . dxe6 �xe6 This position occurred in Podzielny Wieder, Schwaebisch Gmuend 2000. Here I see no reason for White to refrain from the natural move:

9 . . . c5 1 0.a3 t2Ja6 1 1 .t2Jc3 �b8 1 2.'Wc2 �d7 1 3.ctJd2 ctJc7 1 4 . b4 b6 1 5.e3± Black has a solid but rather passive position, Cramling Rivas Vila, Vila Real 200 1 . 9 ...e 5 1 0.dxe6 �xe6 reaches the usual favourable pawn structure for White, since it is much easier for him to pursue his play on the queenside. 1 1 .ctJd4 �c8 1 2. a3 ctJ a6 was played in Bernard - Bauer, Clichy 1 997. Now White could have obtained excellent play on the queenside with 1 3.b4!N, since 1 3 ... c6 runs into the strong 1 4.b5! cxb5 1 5.ctJxb5 with serious pressure.

10.a3 ctJa6 1 1 .llJc3 This time the knight is better off on c3. 1 1 .. ..id7 12.llJd4 llJcS We have reached a thematic position for the Leningrad system, in which White should be able to maintain slightly better chances. 13.'Wc2 1 3 .b4 t2Jce4 is okay for Black.

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1 5.e4N t2Jc6 Clearly inferior is 1 5 ... fxe4 1 6.t2Jxe4 �f5 1 7.�xf6 �xf6 1 8.ctJxf6t 'Wxf6 1 9.'Wd2! Underlining the misplacement of the knight on a5. 1 9 . . . b4 20.ctJg5± 1 6.e5 dxe5 1 7.t2Jxe5 t2Jxe5 1 8.�xe5 �b6 1 9.�e2!± Despite some simplifications White maintains a useful initiative.

9.c4 as There are some other playable options, but White keeps an edge in all lines.

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The Dutch Defence

natural move, 1 4.e3, but a clear drawback of this move is that it weakens the d3-square, which Black managed to utilize quite nicely. 1 4 . . .lDe5 1 5.:gfd l g5 1 6.b4 axb4 1 7.axb4 :gxal l S.E'ha l ?! ( l S.�xal ttJa6) l S ... ttJcd3 1 9.�a3 f4 Black achieved quite nice counterplay, although he later went wrong and lost.

14...f4 This is probably the move that White feared in the aforementioned game. However, he can keep control with the following accurate response: I S.lDe4! lDxe4 16.�xe4! With a nice position. B8) 7 ...�e8

S ... c6 9.ttJbd2 reaches the note to Black's Sth move in line B3 (7 ... c6 S.ttJbd2 W'eS 9.c4). S ... ttJg4 Black's idea is to prepare a quick . . . e7e5 advance, but White appears to be fully armed for such a development. 9.h3 ttJh6 1 0.ttJc3 e5 Black has also tried 1 0 ... ttJ£7, but after 1 1 .d5! c5 1 2.W'c2 ttJa6 1 3 .:gael followed by next e2-e4 White had much better prospects, Headlong - Lyell, Birmingham 2002. 1 1 .dxe5 dxe5 1 2.e4 We have reached a position examined in line BS l l (beginning with 9 ... ttJg4), found j ust below.

B81) 8 ... eS 9.dxeS

This is the main continuation.

8.c4

As is customary for such a position, Black can now choose between two knight moves: B81 1) 9 ... tLlg4 and B812) 9 ... lDfd7.

B81 1) 9 ... tLlg4 10.tLlc3 dxeS 1 0 ... ttJxe5 reaches a position considered in line BS 1 2 below. S ... h6 9.ttJbd2 g5 reaches a position that was examined in line B6 with 7 . . . h6.

l 1.h3 tLlh6 1 1 ...ttJf6? loses material after 1 2.ttJb5 or 1 2.ttJd5.

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12.e4 1tJc6 The most natural reaction would seem to be 12 ... f4 However, it turns out that White is ideally positioned to respond with immediate action in the centre. 13.ttJd5! Seizing the initiative. 13 ... ttJa6 1 4 . gxf4 c6 Just terrible is: 1 4 . . . exf4? 1 5.�xg7 cj;>xg7 1 6.iWd4t cj;>g8 1 7.ctJf6t+1 5.fxe5!? A natural piece sacrifice, but it was also quite acceptable to play: 1 5.�xe5 cxd5 16.cxd5± 1 5 ... cxd5 1 6.exd5 White has a strategically winning position thanks to his central pawn mass, Mamedyarov - Reinderman, Warsaw 2005. 13.ltJd5 �d8 In his annotations for ChessBase Magazine, GM Michael Roiz pointed out the line 13 . . . fxe4 1 4.ctJg5 �d8 1 5.ctJxe4 ctJd4 as a possible improvement for Black. Still, in my opinion White retains the better chances after the resolute 1 6.f4! c6 1 7.fxe5 cxd5 1 8.�xf8t �xf8.

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Here White can choose between two promlsmg continuations: 1 9.cxd5 ttJdf5 20:�e2!?, and 1 9.ctJf6t �xf6 20.exf6 ctJe6 2 1 .cxd5, with more than enough compensation for a piece in both cases.

So far we have been following the game Bewersdorff - Tisdall, Gausdal 1 990. Now I like the following straightforward line:

I 5.�xe4 �J5 I6.�e3 1tJf'7 I7.�fdl �c8 I 8.b4! White's positional advantage is obvious. B8I2) 9 . . ltJfd7 1 O.CLlc3 .

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The Dutch Defence

almost always be favourable for White, who can build long-term pressure against Black's queenside. 1 1 .i1tld2 The plan of CLld5 is not easy to meet. 1 l . ..CLlbc6 1 l . ..CLla6 1 2J''1ad 1 CLlxf3t?! This is an unfortunate decision, but presumably Black had not considered the strong reply. 1 3.exf3! This excellent decision adds the e-file to White's list oftrumps. 1 3 ... CLlc5 1 4.2"1fel i1tld8 1 5.b4 CLld7 1 6.CLld5± and Black was already i n serious trouble, Lputian - Malaniuk, Sverdlovsk 1 987. 1 2.CLld5 i1tld8 1 3 .2"1ad 1 Black's position is not so easy to handle, as demonstrated by the following encounter: 1 3 ...�d7 1 4.CLlxe5 �xe5 1 5 .c5! �e6 1 6.CLlf4 �f7 1 7.cxd6 cxd6 1 8.�a3 White's positional edge is beyond any doubts, Harikrishna - Zhang Zhong, Taiyuan 2005.

1 1 .e4 c6 This position has occurred a few times in tournament practice. In general Black's position is pretty sound from a positional point of view, but for the time being he is lagging well behind in development. It seems to me that White should act quickly in order to exploit this trump, which led me to develop a new concept:

1 2.�a3!?N lH6 Another line is 1 2 ... 2"1f7 1 3.exf5 gxf5 1 4.CLlg5 2"1f6 1 5.i1tld2 CLla6 1 6.2"1ad l . I like White's chances in this position, for example: 16 ... h6 (Black's problems also persist after 1 6 . . . e4 1 7.f3!) 17. CLlf3 e4 1 8. CLlh4 CLle5 1 9.f3! The key strategic idea. 19 . . . exf3 20.CLlxf3 and Black faces definite problems, due to his inferior development. 13. exf5 ! The best way for White to exploit his lead in development is by opening the centre. Of course the position remains complex, but I would be amazed if it were shown that Black is not worse here. 13 ... e4 14.i1tle2 g:xf5 15.2"1adl CLla6 1 6.ctJh4 ctJdc5 17.f3!± Black is starting to encounter real problems. B82) 8 ... tLlc6 An interesting idea. Black's previous move vacated the d8-square for the knight, so Black is not afraid of the d4-d5 advance.

9.d5 Certainly this is the most principled continuation. 9 tLld8 1 0.tLlc3 .•.

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IO eS This is the usual response. I do not see much point for Black in postponing direct action, since White will generally have a greater number of useful waiting moves available. One illustrative example continued 10 ... h6 1 1 .'lWc2 (an interesting alternative is 1 1 .ttJb5!?, forcing the awkward 1 l . ..'lWd7) 1 l ...'lWf7 1 2.e3 id7 1 3 .�ad1 c6 1 4.ttJd4 �cS 1 5.�e2t and it is not clear what Black achieved, Smejkal Kalinitschew, Porz 1992. •.•

I l.dxe6 ltJxe6 White has the usual small but long-lasting edge, as is customary for this pawn structure. 12.'Wc2 id7 Other moves are: 1 2 ... ttJe4 1 3 .�ad 1 �d7?! was played in Inkiov Barbero, Plovdiv 19S6. Now White missed the simple 1 4.ltJxe4!N fxe4 1 5 .ttJd2 which should cause Black serious problems, for instance 15 ...�xb2 1 6 .'lWxb2 �c6 (or 16 . . . ttJc5 1 7.b4 CLla4 I S.'lWd4±) 1 7.ttJxe4 ttJf4 l S.gxf4 �xe4 19.�d4 �xf4 20.�d2 �xg2 2 1 .�xf4 �xfl 22.'lWd5t �g7 23.�xfl with a big advantage. 12 .. .f4 1 3 .ttJd5 fxg3 1 4.hxg3 c6 The knight on d5 was hard to tolerate, but the text renders the d6-pawn vulnerable. 1 5.ttJxf6t �xf6 1 6.�ad1 We7 1 7.�xf6 �xf6 At this point the game Grott - Leisebein, e-mail 200 1 , was agreed drawn, although l S .�c3N would have retained a pleasant edge for White.

13.�adl ic6 14.ltJdS 'Wf7 I S.e3 gae8 This looks like the best arrangement for Black. Nevertheless I still believe White retains the better chances, due ro his strong knight. 16.b4 a6 This was Hausrath -Van Beers, Antwerp 1 997. Now I think White should have continued:

B83) 8 tLle4 9.tLlbd2 c6 •.•

This looks like Black's best chance to achieve a playable position. 9 ... ttJxd2 This has been almost universally played, but it would be strange if Black could equalize by exchanging knights in a way that costs him three tempos ro the opponent's one. Nimzowitsch would not have approved! 1 0.�xd2 ltJd7 After 1 0 ... c6 1 1 .d5 White forces a favourable exchange of the dark-squared bishops. Here is one example: 1 1 .. .�xb2 1 2.�xb2 'lWf7, Boehm - Kuhnert, Bavaria 2007, and now the obvious 1 3.e4!N fxe4 1 4.ttJg5 �g7 1 5 .�d2 would secure White's advantage. There is also 1 0 ... ttJc6 1 1 .d5 ttJe5 (Too passive is 1 1 . ..ttJdS?! 1 2.�xg7 �xg7, Khasin - Videki, Budapest 1 990, when the simple 1 3.c5!N would have brought White a clear plus.) 1 2.ttJd4! leading ro a very comfortable position for White, who can follow the natural plan of carrying out e2-e4 under favourable circumstances. The following encounter is a good example: 12 . . .�d7 1 3.f4 ttJf7 1 4.e4

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The Dutch Defence

c5 1 5.dxc6 bxc6 1 6.exf5 gxf5 1 7.Elae1 and White obtained a clear advantage in Necada - Krouzel, Czech Republic 1 995. 1 1 .e4! This thematic idea works perfectly at this moment. 1 1 . ..fXe4 1 2.ctJg5 ctJf6 Black achieved a good result after 1 2 ...�h6 1 3.�xe4 ctJf6 1 4.�g2 c6, Golod - Gurevich, Venacu 2006, but it was in no way related to the quality of his opening, since at this moment White could have obtained a nice position by means of: 1 5.f4 �f5 1 6.Elae 1 Wd7 1 7.We3!± 1 3.ctJxe4 ctJxe4 1 4.�xe4 e6 Here I tried to improve Black's play and considered 1 4 . . . c6N, but Black is very far from equalizing after the natural 1 5.Elfe 1 Wf7 1 6.d5! c 5 1 7.Ele3, due to the weakness of the e7 -pawn. 1 5.f4 a6 1 6.Elae 1 ± Whitemaintaineda clear positional advantage, Navara - Bosboom Lanchava, Dubai 2005.

12.'lWd2!N A powerful prophylactic novelty. The immediate 1 2.f3 allowed Black to achieve counterplay by means of 1 2 ... h6 1 3.ctJh3 exf3 1 4.exf3 dxc4 1 5.bxc4 c5! in Benkovic Meijers, Biel 2005 . This led me to propose the text move, which prepares the undermining of Black's centre.

1 2...h6 1 3.ctJh3 It is not so easy for Black to meet the planned f2-f3. I analysed the following line, which seems to represent quite accurate play from both sides: 13 ... �f5 14.f3 exf3 I S.exf3 dxc4 Or 1 5 ... Wf7 1 6.c5 ctJa6 1 7.Elacl g5 1 8.ctJf2 Elae8 1 9.Elfe 1 e6 20.Ele3± with a positional edge. 16.bxc4 lbd7 17.g4! ie6 1 8.dS cxdS 1 9.ixg7 �xg7 20.cxdS io 21.f4t

10.ctJxe4! This is a committal move which demands accurate follow-up play. However, if White gets it right then the rewards are well worth the effort. 1O ... fx:e4 1 1 .ctJgS dS

White has a serious initiative, due to the exposed position of Black's king.

B84) 8 ... ctJa6 The main line.


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9.1.Wc2!? The most common move has been 9.l2lbd2, but I prefer the text for a few different reasons. First and foremost, by defending the bishop on b2 White eliminates the typical idea of ... e7e5, intending to meet dxe5 with ... l2lg4 or ... l2ld7. Secondly, it could be useful to preserve the option of developing the knight on c3 in certain positions. After the text move the big question is whether a timely . . . l2lb4 might prove disruptive. This idea will be dealt with in due course, but for the time being I will provide a brief summary of White's ninth move alternatives. 9.d5 has been tried by some strong players (including no less than Kasparov, although this was back in 1 988), but after 9 . . . c5! Black gets a decent position according to theory. 9.l2lbd2 This has been the most popular move, and is still a reasonable try for an advantage. 9... e5 1 0.dxe5 l2lg4 1 0 ... l2ld7 1 1 .i.a3! l2lxe5 is a simple transposition. 1 1 .i.a3! A thematic idea in this variation. It is important for White ro prevent the d-pawn from recapturing on e5, as occurred in the following line: 1 1 .1.Wc2 dxe5 1 2.e4 f4 with

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counterplay, Belov - Goldin, Moscow 1 992. 1 1 . ..l2lxe5 1 2.gb 1 I believe White should be able to claim a slight edge from this position. One example continued: 1 2 ... l2lc5?! Black should probably look for an improvement here. 1 3.l2lxe5 1.Wxe5 1 4.i.b2 Also worthy of consideration was: 1 4.b4!? l2ld7 1 5 .c5 l2lf6 1 6.i.b2 1.We7 1 7.cxd6 �xd6 1 8.�c2;!; 1 4 ...�e7 1 5.i.xg7 �xg7 1 6.b4 l2ld7 1 7.e3 gb8 1 8.l2lb3 l2lf6 1 9.12la5 White keeps definite pressure, Sasikiran Babu, Chennai 2000.

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Returning to the main line, we will analyse three principal responses: BS41) 9 ...h6, BS42) 9 ... l2lb4 and BS43) 9 ... gbS. The other main move is: 9 ... c6 This usually transposes to a different line. 1 0.l2lbd2 This is obviously the right square for the knight; instead if 1 0.l2lc3?! e5 Black is fine. 1 0 ... gb8 1 0 ... h6 1 1 .i.c3 reaches a position from line B84 1 below.

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The Dutch Defence

It looks too slow for Black to play 10 . . .id7 l 1 .a3 h6 1 2.e4 ttJxe4 1 3.ttJxe4 fx:e4 1 4.'1Wxe4 if5 1 5.�e3 �f7 1 6.ctJh4! and White was better, Strikovic - Hidalgo Santana, El Sauzal 2003. l l .a3 b5 1 2.l"lac 1 id7 1 3.b4 We have transposed to line BS43.

B841) 9 ..h6 l O.ClJbd2 c6 .

Black can also continue his kingside expansion without delay. 1 0 ... g5 However, in this case he must reckon with the immediate central strike: l 1 .e4

1 1 . ..fx:e4 An interesting position appears after 1 1 ...f4 1 2.e5 (The premature 1 2.gxf4?! ttJh5! prom ises Black excellent play on the kingside.) 1 2 . . . ttJh5 This was Zagorskis - Manik, Hlo hovec 1 994. Now I like 1 3.ttJel !?N with the idea of preventing the possible ... g4 followed by . . . f3, while also preparing to meet ...if5 with ie4. It looks like White keeps some advantage, for example: 1 3 . . . dxe5 ( 1 3 . . . ttJb4 1 4.�d l g4 1 5.ie4 dxe5 1 6.dxe5 ttJc6 1 7.ttJd3 f3 I S.h3!±) 1 4.dxe5 if5 1 5.�d l ! This underlines the questionable position of Black's knight. (not so clear is 1 5.ie4 ttJb4!) 1 5 . . . fx:g3 1 6.fx:g3! l"ldS 1 7.ic3± Black will have a hard time dealing with the dual threats of I S.g4 and I s.ixb7.

1 2.ttJxe4 �g6 If 1 2 . . . ttJxe4 1 3.�xe4 Black cannot play 1 3 ...if5 as the b7-pawn will hang. (That is the reason why I consider 1 0 . . . c6 to be the main line!) 1 3.ttJxf6t �xf6 1 3 ... l"lxf6?! 1 4.�xg6 l"lxg6 1 5.l"lfe 1 leads to a favourable position for White, since Black's rook is clearly misplaced on g6. 1 4.l"lael c6 In Bagirov - Gurevich, Helsinki 1 992, Black tried 1 4 ...if5 1 5.�d2 l"laeS. Now White should have continued with the typical plan: 1 6.l"le3N e6 1 7.l"lfe 1 c6 I s.ic3± maintaining better chances. 1 5 .l"le3 if5 1 6.�d2 l"lf7 1 7.l"lfe l l"leS I s.ic3!± We have been following the game Dreev - Motwani, Berlin 1 99 1 . White has steadily improved his position and is now ready for d4-d5.

After l 1 .a3 g5 1 2.e4 fx:e4 1 3.ttJxe4 ttJxe4 1 4.�xe4 if5 1 5 .�e3 Black has the interesting 1 5 ... ttJc5!? which allowed her to activate her misplaced knight, Minogina T. Kosintseva, Kolontaevo 1 997. -

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Chapter 1 7 - Leningrad Variation I l .e4 bce4 12 . .:tJxe4 .:tJxe4 1 3.'lWxe4 ii.f5 14.'lWe2 (or 14.�e3 .:tJ b4 1 5 . .:tJel e5! with counterplay) 14 ... g5 1 5.d5 ii.xb2 1 6.�xb2 c5 was double-edged in Pilaj - De la Riva Aguado, Turin 2006. Black also manages to create counterplay after 1 1 .�ael g5 1 2.e4 .:tJb4! 1 3 .�c3 a5!. Here we can see the drawback of the move �ae l . The a2-pawn is hanging, while in the event of 14.a3 Black has 1 4 ... .:tJxe4 1 5 . .:tJxe4 bce4 16.�xe4 ii.f5 with counterplay.

1 l ...g5 1 2.e4 fxe4 1 3.ttJxe4 Wfg6 Another line is 1 3 . . . .:tJxe4 1 4.�xe4 ii.f5 15.'lWe3 �d7. This position has occurred in a couple of games. Here I found the new idea 16.�ael !?N �ae8 1 7.h4. I think it is useful to weaken Black's kingside. 1 7 . . . g4 1 8 . .:tJd2 .:tJc7 (White is also better after 18 ... d5 1 9.f3!) 1 9.d5 ii.xc3 20.�xc3 e5 2 1 .dxc6 bxc6 22.b4 and White has promising play on the queenside. 14.ttJxf6t Wfxf6 This position was reached in Koursin Gavrikov, Neu Isenburg 1 992. At this point I see nothing wrong with continuing White's usual strategy by means of:

B842) 9 ... ttJb4

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lO.Wfd2!N It is slightly bizarre that this natural and strong move should be a novelry. I present my analysis here. l O ... a5 It looks inadvisable for Black to play 1 0 . . . c5 as after 1 1 ..:tJc3 the moves . . . f5 and . . . c5 do not combine welL 1 1.ttJc3 c6 1 2.gfe1! White intends to carry out the thematic e2-e4. The idea is standard, bur it is vital to anticipate B lack's rypical reaction as mentioned in the next note. 1 2...id7 It is important to appreciate that Black cannot play 12 ... .:tJe4? in view of the forcing line: 13 . .:tJxe4 bce4 14 . .:tJg5 d5 1 5.a3 .:tJa6 1 6.cxd5 cxd5 1 7.�xa5 and White wins a pawn.

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15.�aeIN if5 16.Wfd2 e6 17J�e3! White keeps the better chances.

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1 3.a3 ttJa6 14.e4 fxe4 1 5.CtJxe4 ttJxe4 1 6.�xe4 ifS 17.ge2!? This is justified by some concrete tactical features of the position, although the simple 1 7.�ee1 also looks quite promising. 17 ...ig4 1 8.gael! The point of the previous move.

286

The Dutch Defence

1 8 ...e6 The knight on f3 is untouchable: l S ....ixf3? 1 9.1'he7 \WdS 20.l'hg7t! \t>xg7 2 1 .d5t \t>g8 22.\Wd4+The same method also works after l S .. J"hf3 1 9 ..ixf3 .ixf3 20Jhe7 \Wf8 2 1 .:gxg7t! \Wxg7 n.d5 when Black is helpless against the threats on the long diagonal.

1 9.\We3 ttJcl 20.h3 ixf3 2 1 .ixf3 White has an obvious positional advantage. B843) 9 :gb8 •..

This principled move is the most popular continuation. Black hopes to exploit the fact that White plans to develop his knight to d2, by preparing the advance of the b-pawn.

1 0.ti.Jbd2 This is the most flexible square for the knight. It can also go to c3 of course, but I do not see any reason to fear the advance of the b-pawn.

his various moves. White should be able to maintain a nice edge with natural moves, for instance: 1 1 .:gad1 .id7 1 2.:gfe 1 It'lb4 1 3.\Wb 1 cxd4 1 4.lt'lxd4 \Wf7 This was seen in Schiffer - Lutz, Groningen 1 995. Here White missed a very nice idea, which was quite understandable as it is not at all obvious. Therefore I recommend that the reader pays close attention to what follows:

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1 5.lt'l4f3!N White not only intends It'lg5 followed by e4, but also c4-c5. 1 5 ... h6 If 1 5 ... lt'lc6 1 6.lt'lg5 \We8 1 7.e4 White is much better, as his pieces are optimally placed for the opening of the centre. 1 6.c5! This temporary pawn sacrifice underlines Black's poor coordination. 16 ... dxc5 1 7.lt'le5 \WeS l S.\Wcl lt'la6 1 9.e4! White has fantastic play for the pawn, for instance: 1 9 .. .f4 20.gxf4 lt'lh5 2 l .f5 gxf5 n.lt'lxd7 \Wxd7 23.lt'lc4 \Wc7 24.exf5± White dominates.

1 1.a3 c6 Other possibilities: 1 1 ... c5?! soon leads to trouble for Black: 1 2.dxc5 It'lxc5 1 3.cxb5 \Wxb5 1 4.lt'ld4! \We8

287

Chapter 1 7 - Leningrad Variation 1 5.b4 lLle6 ( l 5 ... lLlce4 does not change the assessment: 1 6.lLlc6 lLlxd2 1 7.�xd2 gb7 1 8 .gac l ±) 16.�b3 �f7 17.lLlc6 gb7 1 8.gae l gc7 1 9 .gc2 White enjoyed a pleasant advantage due to her strong knight on c6, Cramling - E. Berg, Malmo 200 1 . 1 l ...!b7 1 2 .gae l e6 1 3.b4 White slowly improves his position on the queenside, while Black suffers, due to his badly placed knight on a6. 13 . . . bxc4 14.�xc4 h6 1 5.lLlb3 �c8 1 6.lLlh4 ixg2 1 7.lLlxg2 lLld5 This was Sundararajan - Sharma, New Delhi 2007. Now 1 8.ia 1 N would be a useful move that gives White a pleasant game, for instance: 1 8 ... gb6 1 9.f3 f4 20.lLla5 and White has the better chances. l l . . .h6 1 2.gael ib7N This looks like the best way for Black to proceed along independent paths. 1 2 . . . c6 13.lLle l ! reaches the note to Black's 1 2th move in the main line below. 1 2 . . . c5?! is the only move to have been played, but it looks too risky to open the queenside. 1 3.dxc5 lLlxc5 1 4.cxb5 gxb5 1 5 .lLld4 gb6 1 6.lLlc4 ga6? ( l 6 . . . gb8 was essential, although even here 1 7.lLla5 leaves Black struggling against the imminent knight invasion on c6.) 1 7.b4 lLla4?! (Relatively best was 17 . . . lLle6 although 1 8.lLlxe6!xe6 1 9.!b7 wins an exchange for very little.) 1 8.b5 1-0 Kulczycki - Vieira, Internet 2005. 13.b4 lLle4 1 4.lLle l ! lLlxd2 Or 1 4 . . . bxc4 1 5.lLlxc4 followed by lLld3 and f3. 1 5.�xd2 bxc4 1 6.gxc4 �b5 1 7.gc2 e6 18.ixb7 gxb7 1 9.1Lld3 White has better prospects, since Black somehow fails to solve the problem of his misplaced knight. Here is an illustrative line: 19 ... g5 20.gfe l �d5 2 1 .a4! ixd4 22.!xd4 �xd4 23.b5 lLlc5 Or 23 . . . lLlb8 24.gxc7 ± 24.lLlxc5 dxc5 25 .�xd4 cxd4 26.gxc7

The rook endgame is difficult for Black.

12.gacl White can also start with 1 2.b4, which is likely to transpose after 1 2 ... lLlc7 1 3.gael !d7 1 4.cxb5!. 12 ...id7 A logical follow-up, although Black can also try 1 2 ... h6. White carried out a nice manoeuvre in the following encounter: 1 3.lLle l ! g5 1 4.lLld3 A perfect square for White's knight, where it not only controls several important central squares, but also clears the diagonal for the light-squared bishop. 14 ...id7 1 5 .e3t White achieved better prospects in Crarnling Movsziszian, Vila Real 200 1 . 1 3.b4 lLlc7

8 �� "iW�� *� ,,.,,V-,, N/-< %%�.{if"",v-��f� � �'%,� 7 """" . �..t.� � m i , / , , , , ,, . % � 6 �� " " .� � 5 ��.�R�R� � 43 �""% 8 �� ""%R_ �OR% ��. 21

�W' "" ·W·� 8 �i="" � ��1L� .n.�iY� n%�_nnn. .,," .�.� %"'N/-
hS 1 6.4Jc3 4Jxc5 1 7.�e3;!; White maintains a pleasant edge thanks to his pair of bishops. 1 2.�e2 4Jc6 1 3.�xe6t c;:t>hS 1 4.4Jf7t �xf7 1 5.�xf7 cxd4 1 6.�e 1 4Jf6 This was played in Borovikov - Gutman, Senden 2005. Later on Black managed to get adequate compensation for the exchange, but only after White missed the following strong manoeuvre:

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Black's options here are B42 1) 1 0... �c6 and B422) 1O ... �b4, in addition to the main line with B423) 1 O ... �a6.

B421) 10 ... �c6 1 1 .�a3! The best way to fight for the advantage.

1 1 ... �db4 Black has also tried 1 l . ..!g4 1 2.�b3 �b8?!, Wade - Boxall, Chester 1 952, and here the simple 1 3.�d 1 e6 1 4.h3 !xf3 1 5.!xf3 would have given White a clear plus. 12.Wfa4!?N This is an important improvement, as White's results after other moves have not been too favourable. The idea of the text is very simple - White just wants to complete development and aim for a positional advantage. For the

312

The Griinfeld Defence

time being he keeps an extra pawn, although he should not get too preoccupied with clinging to it.

lS.4:Jfd2± Black has very little to show for the missing pawn.

1 2 ...J.g4 I also analysed 1 2 ... 4:Jd3, which turns out to be inferior in view of: 1 3.i:%d l 4:Jxc5 1 4.Wc2 4:Jd7 1 5.e6! ( l 5.i.f4 also gives White slightly better chances, but the text is more ambitious.) 1 5 ... fxe6 1 6.4:Jg5 4:Jd4 1 7.ltWd3 Black is in trouble, for instance 17 ... 4:Jb6 l S.4:Jb5! e5 1 9.4:Jxd4 exd4 20.Wb3t e6 2 1 .4:Jxe6 i.xe6 22.Wxe6t WhS 23.i.f4± and White dominates the board with his bishop pair.

B422) 1 0... tiJb4 1 l .tiJc3 tiJSc6 12.a3!?

1 3J'%dl �cS 1 3 ...WeS is met strongly with 1 4.4:Jb5!. Note that 1 4 . . . 4:Jxe5 1 5 .4:Jxe5 i.xd l does not solve Black's problems in view of: 1 6.Wxb4 i.xe5 1 7.i.h6!± 14.4:Jc4 Black has a pretty reliable posItIon after 1 4.i.f4 i.xf3 1 5 .i.xf3 i.xe5 1 6 .i.h6 i.g7 1 7.i.xg7 Wxg7.

It is also worth considering 1 2.Wa4.

1 2... tiJd3 1 3.J.e3 White is ready to give up his extra pawn in order to secure a positional edge. 1 3...J.g4 I think the lesser evil for Black would have been to regain the pawn by means of 1 3 . . . 4:Jdxe5, although White maintains better chances after: 1 4.4:Jxe5 i.xe5 1 5.�c 1 ( l 5.Wb3 tiJd4 1 6.i.xd4 Wxd4 looks pretty double edged) 1 5 ...Wxd 1 1 6.l':i:fxd 1 i.g4 1 7.l':i:d5! i.g7 l S.b4 a6 1 9.h3 i.e6 20.�d3;j; White has a slight but long-lasting advantage and Black is doomed to a passive defence.

14 .'�e6 1 5.�b3 �adS 16.J.e3 Black certainly has some activity, but White has completed his development fairly harmoniously while retaining his extra pawn. •.

16 ...�f5 17.�xdS �xdS

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14.�b3!N I believe this to be a serious improvement over 1 4.h3 i.xf3 1 5.Wxf3 4:Jdxe5, as seen in Borvinnik - Bronstein, Moscow 1 95 1 . V///.r//,,,·=,//H,W,,

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14... tlJdxe5 After 1 4 . . .Wd7 1 5.l':i:fd 1 ! the pin along d-file is extremely inconvenient for Black, for

Chapter 1 9 - Dynamic Variation

3 13

instance 1 5 .. Ji:adS 1 6.tLle 1 ixd 1 1 7.l'hd 1 tDcxe5 1 S.ltJxd3 ltJxd3 1 9.ie4 with a winning position.

1 1 .a3 This is best. After 1 1 .'We2 ltJxc5 1 2.�d 1 b6! followed by . . .ia6 Black is doing fine.

lS.ltJxeS ttJxeS 16.'Wxb7 �b8 17.'Wxa7 �xb2 No better is: 1 7 . . . tDf3t l S.r;t>hl �xb2 19.�adl ltJd2 20.�xd2 �xd2 2 1 .i.xd2 'Wxd2 22.ltJd5±

l 1 ...ttJxcS 12.b4 ttJe6 Clearly the main move. I found only one game with 1 2 . . . ltJa6, which is hardly surprising as the knight looks very passive here. 1 3 .ib2 ltJb6 1 4.'We2 ie6 1 5.�d 1 'Wc7 1 6.ltJbd2 'Wc2 1 7.�ab 1 id5 1 S.ltJd4 'Wa4 1 9.1tJe4!± White has a much better position, thanks to his beautifully centralized pieces, Smejkal - Ribli, Leningrad 1 977.

8 7 6 5 4 3 2 1

1 3.'Wb3 This is the natural way of developing the initiative. The immediate threat is 1 4.�d l .

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1 8.ttJdS �e8 19.igS! Black fails to get adequate compensation for the pawn. B423) 1 0... ttJa6 This is the main line, and probably the most reliable move for Black.

1 3 . . .ltJec7 1 4.�d 1 ig4 ( I think 1 4. . .ie6 would have been better, although 1 5 .ttJg5! i.xe5 1 6.ltJxe6 fxe6 1 7.�a2 gives White nice compensation for the pawn.) 1 5.ltJc3 e6 1 6.ib2 'WbS 17. ttJe4± Black faces serious difficulties, Mamedyarov Nakamura, Lausanne 2005.

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1 3 . . . b6 14.�d l ib7 1 5.ltJc3 ltJec7 1 6.i.b2 'Wd7

314

The Grunfeld Defence

This position occurred in Kotsur Nepomniachtchi, Moscow 2005. Here White should have played the natural: I n';d3!N I analysed the following lines: 1 7 . . . h6 Or 17 ... �fdS l S.�ad l e6 1 9.tDg5 h6 20.tDge4 with an advantage for White. l S.�ad l e6 Black cannot survive without this move. 1 9.tDe4 �c6 20Jl:c 1 �a4 2 1 .Wla2 �b5 22.�d2 White's chances are clearly preferable.

14.�dl Wle7 I S.11Jc3 id7 Too passive is 1 5 ... ttJdS 1 6.ttJb5 WlbS. The game Bocharov - Nepomniachtchi, Tomsk 2006, continued 1 7.�f4 �e6 and now White should have played l s.Wlc2!N tDc6 ( 1 S . . . tDd5 1 9.tDfd4 tDxf4 20.gxf4 leads to a difficult position for Black due to the threat of ttJc7) 1 9.tDfd4 tDxd4 20.ttJxd4 �d5 2 1 .tDf5 gxf5 22.�xd5 e6 (or 22 . . . tDxd5 23.�xd5 e6 24.�d6 with advantage) 23.�g2 �xe5 24.�xe5 Wlxe5 25.�xb7 �abS 26.�c6 and White's chances are better. 16.ie3 ie6 Clearly inferior is 1 6 . . .�fcS?! 1 7.ixb6! axb6 l S.tDd5 WldS 1 9.Wle3! and White maintains a clear positional superiority, Dmitriev - Efimov, Saratov 2009.

17.a4! Only with energetic play can White fight for the advantage. It is also quite possible to reach this position via the move order 1 6.a4 �c6 17.�e3. Too slow is 1 7.�ac 1 ?! �adS l S.�xdS �xdS and Black was doing fine, Martinovic - Wittmann, Budapest 200S.

17 ... �fd8? After this move Black encounters serious difficulties, so this looks like a prime moment to improve his play. 1 7 . . .�xe5 This seems like the obvious candidate. l S.ttJxe5 Wlxe5 l S . . .�xg2? is not really an alternative, 111 view of 1 9.tDxf7!. 1 9.a5 �xg2 20.�xg2 tDcs Other lines do not promise Black any relief either: 20 ... �acS 2 1 .�ac1 tDc4 22.�xa7 White is better in the long term, due to the possibility of creating a passed pawn on the queenside. 20 ... �fcS 2 1 .axb6 �xc3 22.Wld5 Wlxd5t 23.�xd5 a6 24.b5! I doubt that Black can hold this endgame, due to the following variation: 24 . . . a5 25.�d7 �bS 26.�xa5 mfS 27.�a7 ttJdS 2S.�f4 �bcS 29.�axb7 and White wins. 2 1 .�d5 Wlg7 22.�ad l tDd6 23.tDb5 ttJxb5 24.�xb5 White regains his pawn and maintains the better chances, for instance: 24 ... b6 25.axb6 axb6 26.�xb6 �fdS 27.�xdSt �xdS 2s.Wlc4 White's passed b-pawn is dangerous.

1 8.aS llJd7 1 9.11JdS! ixdS 20.�xdS Black is in trouble, as demonstrated by a couple of practical encounters. 20 ... 11JxeS

315

Chapter 1 9 - Dynamic Variation Even worse is 2 0. . Jl:acB? 2 1 .�xa7! �h6 (Black cannot play 2 1 . ..ttJxe5 in view of 22.lt:Jxe5 �xe5 23.�b6+- ) 22Jl:ad l with a decisive advantage, Bocharov Nepomniachtchi, Tomsk 2006.

has B . . .�xc3t 9.bxc3 �xd5. (This is not the case when both sides have castled, as instead of bxc3 White can capture on c6.)

21 .lt:JxeS !'!:xdS 22.�xdS E1d8 23.�xb7 �xeS This was seen in Mamedyarov - Zhigalko, Heraklio 2002. Now the cleanest route to victory would have been: 24.E1fl.!N +Not allowing Black any chances. C) 6 ... lt:Jb6

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This is the starting point for some of the most critical battlegrounds of the Fianchetto variation against the Grunfeld. Here we should look at CI) 8 ... eS and C2) 8 ...0-0.

CI) 8 ...eS 9.dS Now Black has three possibilities: C I I ) 9 ... lt:Je7, Cl2) 9 ... liJb4 and C13) 9 ... liJaS.

Cl l) 9 ... liJe7 10.e4 �g4

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This is regarded by theoreticians as the main line. Black can also aim for the same position with 6 ... 0-0 7.0-0 ttJb6 B.ttJc3 ttJc6, bur in that case White can consider 9.d5 as an alternative to the main line of9.e3 (although I prefer the latter).

7.lt:Jc3 It:Jc6 This is the most popular move order for Black. Instead 7 ... 0-0 B.O-O transposes to the previous note. 8.e3 B.d5?! is not really an option, since Black

Developing the bishop while vacating the cB square for the knight, in order to prepare . . . c7c6. Premature would be: 10 . . . c6?! 1 1 .d6 ttJgB This is too artificial and hardly playable for Black, as it allows White a lot of time to arrange his pieces in an optimal way. 1 2.b3 f6 1 3.0-0 ttJh6 14.�a3 �e6 1 5.�c2 0-0 1 6.E1ad l E1f7 Black cannot continue his regrouping by 16 . . . lt:Jf7 in view of 1 7.d7! winning the exchange. 1 7.ttJe l !

316


A strong positional idea - the knight is heading for c5. 1 7 . . . lUcs I S.lUa4! Preventing Black from covering the outpost by means of ... b6. l S . . .'&eS 1 9.1Uc5 White had a big advantage in Poliakov Plischki, Marianske Lazne 2009.

c-pawn for one half of the opponent's strong central duo. On the other hand, following the exchange on d5 the bishop on g2 will get a slightly better view of the board.

10 ... 0-0 1 1 .0-0 will be examined in line C2 1 , note to Black's 1 0th move.

I l .h3 1 1 .0-0 c6 1 2.h3 ixf3 1 3.'&xf3 is just a transposition. l l . .hf.3 12.Wfxf3 c6 Black often plays: 1 2 ... 0-0 1 3.0-0 Now 1 3 . . . c6 would transpose to our main line. However, we should also consider: 1 3 ... lUc4 Transferring the knight to d6 is of course a thematic idea. Nevertheless, I do not believe that one well-placed piece can be enough to offset White's strong pawn centre and pair of bishops. We will look at one instructive example. 1 4.'&e2 lUd6 1 5.h4! White intends to activate his bishop via the h3-square. It is well worth remembering this strong positional motif. 1 5 .. . f5 1 6.ih3 c6 1 7.ig5 h6 l S.ixe7 Wixe7 1 9.dxc6 bxc6 20.h5! f4 2 1 .hxg6 �f6 This was Djuric - Z. Nikolic, Cetinje 1 99 1 . Now White could have obtained a big advantage with: 22.if5!N lUxf5 23.exf5 �xf5 24.Wic4t �hS 25.lUe4 The difference between the knight on e4 and bishop on g7 is striking. .

1 3.0-0 Compared with the previous note, it is useful for Black to exchange his potentially backward

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We will look at Cl l l) 1 3 ... cxdS and Cl l2) 1 3...0-0.

Cl l l) 13 cxdS 14.exdS .•.

I like this better than: 1 4.lUxd5 lUbxd5 In Grischuk - Avrukh, Kerner 2007, I managed to mix up the move order and captured with the wrong knight. My position soon became unpleasant after 1 4 . . . lUexd5?! 1 5.exd5 Wid6 1 6.Wfb3 0-0 1 7.id2 �fcS l s.ib4 Wid7 1 9.d6. 1 5.exd5 1 5.�d 1 0-0 1 6.exd5 is considered in the note to White's 1 5th move in line C l 1 2, page 3 1 S. 1 5 . . . lUf5 Black has a reliable position, N. Pert Zhigalko, Turin 2006.

14 ... tDf5 I S.d6! This aggressive continuation is the only way to fight for the advantage. Black has nothing to fear after other moves, for instance: 1 5. b3 0-0 1 6.ia3 lUd4 1 7.Wid3 �eS l S.�ac l lUcS! Both

317

Chapter 1 9 - Dynamic Variation o f Black's knights have found nice squares, and he has a full share of the chances, Bocharov Roiz, Sochi 2007.

lS .. .!;b8 It looks much too risky for Black to grab the pawn: 1 5 . . . ctJxd6?! 1 6.E\d l Wie7 16 ...Wic7 1 7.ctJd5 ctJxd5 1 8.Wixd5 E\d8 1 9.ig5 f6 20.ie3± 1 7.ctJd5 ctJxd5 1 8.Wixd5 0-0-0 1 8 ... E\d8 does not help after 1 9.ie3 (threateningic5) . 1 9 ... b6 20.id2! (planning ib4) 20 . . . a5 2 1 .ie3! The bishop's dance has provoked some major weaknesses, resulting in serious problems for the defence. 1 9.Wia5 mb8 20.ie3 ctJc8 2 1 .E\dc 1 ! It is hard to believe Black can hold this position. 16.E\dl 0-0

Base Magazine 81 as a possible improvement over the game, which continued: 1 8 ... ctJd7 1 9.ctJxd4 exd4 20.id2 E\e8 Somewhat stronger was 20 ... ctJe5 although after 2 1 .Wib3 E\e8 22.ib4 White maintains a stable edge. 2 1 .E\ac 1 Wif6 22.ib4 ctJe5 23.Wixd4! 1his elegant exchange sacrifice quickly decides the game. 23 ... ctJf3t 24.ixf3 Wixd4 25.E\xd4 ixd4 26.d7 E\ed8 27 .id6 White won easily in Van Wely - Leko, Wijk aan Zee 200 1 .

19.1Llxd4 exd4 20.if4 Ftacnik gives the following line, which seems pretty logical to me as well: 20 ... lLlc8 2 1 .Wla3 gd8 22.ge1 ! bS 23.E\ac1 b4 Here I found a significant improvement.

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24.Wla6! 1his brings White a substantial advantage. Ftacnik only considered 24.Wib3. own.

17... lLld4 1 8.ctJbS Wld7 This was recommended by Ftacnik in Chess-

24... ctJxd6 24 . . .E\b6 meets with the powerful rebuttal 25.E\c7!. 2S.E\c6 if8

318

TIle Griinfeld Defence

No better is 25 .. Jl:b6 26.lhb6 axb6 27.Wfxb6 when the b4-pawn is falling.

26J':l:dl Black is under serious pressure. White's pieces are tremendously active, especially his bishops. Cl 1 2) 1 3 ... 0-0

8 7 6 5 4 3 2

to increase the influence of his light-squared bishop.

8 7 6 5 4 3 2 1

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16 liJd4 If 1 6 ... !'l:b8 1 7.Wfd3 we reach the well-known game Van Wely - Leko, as examined in Line C I I I starting on page 3 1 6. ..•

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14J':l:dl adS l S.exdS Some strong players have taken with the knight, but my own preference is to go with the pawn. In principle, it should be helpful for White to keep his remaining knight on the board, as it adds a 'non-linear' dimension to the collective abilities of his pieces. Black, on the other hand, can obviously afford to trade one pair of knights without losing that ability. Thus 1 5.tUxd5 tUbxd5 1 6.exd5 Wfd6 should be acceptable for Black, who plans to activate his remaining knight by means of . . . tUf5-d4. l S . liJrs Black would love to install one knight on d4 and the second on d6, but of course White has no intention of allowing this.

1 6 . . . tUxd6? is easily refuted by 1 7.tUe4 tUbc4 1 8.tUxd6 tUxd6 1 9.Wfa3 winning.

17.�xb7 �xd6 This is perhaps the critical position of the whole line. Both sides have achieved certain things. Black has eliminated his opponent's passed pawn, and has secured an ideal central outpost for one of his knights. Nevertheless White's pair of bishops is a valuable long-term asset, and this should enable him to obtain the better chances if he plays precisely. 1 8.igS! White strives to make the best possible llse of his bishops.

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16.d6! We have already encountered this thematic idea in previous lines. It is important for White

18 ...�e6 The threat was 1 9.ie7. 1 9.!'l:acl h6 Driving the bishop away from the h4-d8 diagonal, in order to obtain the d8-square for the rooks.

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Chapter 1 9 - Dynamic Variation Clearly premature would b e 1 9 . . .f5 ? i n view of 20.'Lld5! 'Lle2t (20 ... e4 loses on rhe spot in view of 2 1 .E:c7 i.e5 22.E:e7! 'I1:lfd6 23.i.h6 with a decisive attack.) 2 1 .ct?h2 'Llxc 1 22.'Llc7 Wf7 23.'LlxaB Wxb7 24.i.xb7 'LlxaB 25.i.d5t \iJhB 26.E:xc 1 'Llb6 27.i.e6± and White is clearly better, thanks to his bishop pair.

20.ie3 E:fd8 2 1 .'lWa6 E:ac8 22.b3! It is essential to cover the c4-square in order to keep the b6-knight restricted.

a fully acceptable game. I tried to improve upon previous games with 1 4.b4!?N, bur eventually concluded that after 14 ... 'Lld3t 1 5.\iJe2 'Llxc 1 t 1 6Jhc1 bxc6 1 7.E:xc6 i.a6t I B.\iJe1 0-0 1 9.'Lld2 i.h6 Black has very nice compensation.

l2 ... cxdS Black has also tried: 1 2 ... 0-0 8 7

22... E:c7 23.ct?h2 Another prophylactic move, 'Llb5.

23...E:dc8 24.tLlbS E:xc1 2S.E:xc1 E:xc1 26.ixc1 'lWc8 27.'lWxc8t tLlxc8 28.ifl We have been following Martyn - Jo. Hodgson, Birmingham 2006. The resulting endgame is highly unpleasant for Black, thanks to White's bishop pair and possibility to create a passed pawn on rhe queenside. C12) 9 . tiJb4 ..

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preparing

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Now it looks promising for White to play: 1 3.dxc6!N Getting a favourable pawn structure. 1 3 . . . bxc6 If 1 3 ...'I1:lfxd l 1 4.E:xd l bxc6, then White can play 1 5.b4 E:eB 1 6.i.fl 'Llc7 1 7.h3! intending i.e3, maintaining a pleasant advantage. 14.W c2 i.e6 1 5.i.e3 Also worthy of consideration is 1 5.b4!? 1 5 ... 'Llc4 1 6.E:fe 1 I think White has a stable edge, for instance: 1 6 . . . 'Llxe3 1 7.E:xe3 'Llc5 Otherwise White will continue with 'Lla4. I B.'Lld1 'I1:lfb6 19.b4 tLlb7 20.E:c3 With definite pressure.

13. tiJxdS!?N This is an interesting novelty. Up to now White has only tried 1 3.exd5 but without much success. Now I have analysed C12l) 1 3 .. 0-0 and C122) 13 ... tLlxdS. .

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8 7 6 5 4 3 2 1 C121) 13 ... 0-0 14. .ie3 1 4 . .igS seems less convincing to me due to 1 4 .. .f6 l S ..ie3 ttJxdS 1 6.exdS e4! 1 7.ttJd2 fS.

W//-'//-..

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20.'lWb3 �cS 2 1 .�xcS 'lWxcs 22.�cl 'lWfB 23.'lWa4 White maintains some pressure. C 122) 13 ... liJxd5 14.exd5 0-0 1 5 ..ie3!

14 ... ttJc4 1 4 . . . ttJxdS l S.exdS transposes to line C 1 22 with 1 3 . . . ttJxdS. 15 ..ig5 f6 16.�c1 ! This is the tactical justification for White's previous play. 16 ... fxg5 Other possibilities are no better. 1 6 ... bS 1 7 ..ie3 .ie6 (clearly inferior is 1 7 ... ttJxe3? 1 B.ttJxe3 "Wxd1 1 9 .�fxdl .ib7 20.ttJdS with the unpleasant threat of 2 1 ..ifl ) 1 8."Wb3 "Wd7 1 9.�fd 1 ttJxe3, and now both 20.ttJxe3 .ixb3 2 1 .�xd7 and 20."Wxe3 "Wb7 2 1 .ttJd2 �acB 22.ttJb3 followed by ttJaS promise White a stable edge. 1 6 . . . ttJxb2 1 7.ttJxf6t! "Wxf6! (this is Stronger than 1 7 . . ..ixf6 1 B ."Wb3t �g7 1 9 ..ixf6t "Wxf6 20."Wxb2 �e8 2 1 .�fd l ±) 1 B."Wb3t "We6 1 9."Wxb2 b6 20 . .ie3! White enjoys a pleasant edge, thanks ro his better pawn structure.

17.�xc4 g4 IS.ttJel .ie6 19.ttJd3 �f7

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The dark-squared bishop really feels at home on this square. This position requires serious investigation, but seems promising for White.

1 5 ... h6 White is also better after the alternatives: l S ... fS?! looks premature in view of 1 6.d6! �hB 1 7."Wd2 and the d6-pawn is very Strong. l S . . . ttJc7 1 6.d6 ttJe8 1 7.�c l ! (Black obtains fair compensation for the exchange after the

Chapter 1 9 - Dynamic Variation premature 1 7.d7 �xd7 1 8.�c5 e4) 17 . . .�f5 18.d7 �xd7 1 9 .�c5 e4 20.ttJd4 It is hard for me to believe Black will get sufficient compensation for the exchange.

16J"kl e4 17.ttJdl f5 18.'�'b3! White has the better chances. Cl3) 9 . �aS 10.0-0 ..

1 0.e4 is likely to lead to the same position.

10 ... 0-0 I l .e4 c6

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1 9.b3 would have given White a pleasant advantage. 1 2 ...'lWd6 1 3.b3! Taking conrrol over the crucial c4-square. 1 3 . . . h6 Relatively best would have been 1 3 . . . cxd5 1 4.exd5 f5, although White still maintains an edge after 1 5.Wd2 �d7 1 6.gac 1 . 1 4.�e3 cxd5 1 5.exd5 gd8 1 6.We l ! e4 1 6 . . .�d7 does not help after: 1 7.ttJe4 Wxd5 1 8.�xh6! ttJc6 1 9.�xg7 Wxg7 20.gd l ttJd4 2 1 .ttJeg5!± 1 7.ttJxe4 'lWxd5 1 8.�xh6! The point. 18 . . .�f5 1 9.�xg7 �xe4 20.�b2 White has a wi nni ng posi tion, Harikrishna Sivanandan, Mumbai 2003.

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This position has been reached quite often via the move order 8 ... 0-0 9.0-0 e5 1 0.d5 ttJa5 I l .e4. Black's set-up used to be quite popular in the 1 980s and 1 990s, bur eventually faded our of fashion at higher levels, due to the following line:

12.igS! f6 The alternatives are also less than inspiring for Black: 1 2 . . .'lWd7 Ie is hard to believe this can be the right square for Black's queen. 1 3 .l''k l (a nice alternative was the thematic 1 3.b3!?N) 13 . . . h6 14 .�e3 gd8 Szmetan - Barreras, Cienfuegos 1 976. Now the simple 1 5 .ttJa4!N ttJac4 1 6.ttJxb6 ttJxb6 1 7.dxc6 bxc6 1 8.'lWxd7 �xd7

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In this topical position Black used to take on d5 automatically, but more recently a second option was introduced in Grandmaster praxis. Thus we will analyse the newer Cl31) l3...�bc4 along with the more established Cl32) l3 ... cxdS.

Cl31) l3 ... �bc4 This fresh idea was tested by the talented

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Indian Grandmaster Negi at the Politiken Cup in 2009, although it had first been played in a couple of obscure e-mail games five years previously.

14.�e5! The game Brynell - Negi, Politiken Cup 2009, continued 1 4.�cl c5, and Black soon obtained a comfortable ganle after 1 5.tLJel tLJd6 1 6.f4 f5 1 7.tLJf3 tLJac4. The text seems like a definite improvement to me. 1 4 .. J'H7 1 5.b4!?N I believe this to be the critical test of Black's idea. The stem game continued 1 5.dxcG tLJxc6 1 6.'lWe2 �e6 when White had no more than a tiny advantage, Bochev - Benovic, Internet 2004. Another possibility is 1 5.b3 b6 1 6.�b4 c5 1 7.�xa5 tLJxa5 with a very complicated game. In general, it is hard for White to achieve anything special by simple means.

1 5 ... b6

16 ... lLlxe3 17.fxe3 lLle4 1 8.dxe6 \We8 White also keeps the better chances after 1 8".ie6 1 9.�el b5 20.a4!. 1 9.ttJd5 The exchange sacrifice 1 9.b5 tLJxe3 20.'lWa4 tLJxfl 2 1 .�xfl looks playable, but I doubt it can suffice for more than equaliry. 1 9 ...\Wxe6 20.�cl b5 I also analysed 20".�g4 2 1 .a4 a6 (The main point is that after 2 1 ...b5 22.axb5 'lWxb5 White has the incredibly strong 23.�f2! threatening �fl . It looks like Black unavoidably loses material, for instance 23".tLJd6 24.tLJc7 winning the exchange.) 22.'lWd3 b5 23.tLJd2 �c8 24.�c2! followed by �fc l winning a pawn. 21 .lLld2 �d7 22.lLlxe4 bxe4

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23.�f2! White not only intends to double his rooks along the c-file, but also vacates the fl -square for the bishop. 23 ... �e8 24.�fl \Wa6 25.�c3! There is no way Black can hold on to the c4-pawn. White can increase the pressure with 'IW c l and �fc2 if needed. C132) 13 ... ad5 1 4.�xb6!

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8 i. U.t� �� .R 7 if,.""xB"",v..r 6 ""'%D %_�_' i�� 5 ,�""'�_l.""%� � 4" � " K � � ��"w� � ��r� � 3� _ ,0: _1lJ �� 2 !twi""' ;_ �nt� ,�'''' %� ".tir�r'" , a b c d f h e

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The exclamation mark is largely for the psychological aspect of this move. Usually when choosing this line Black hopes for a complicated battle, such as that which arises after 1 4.exd5 ttJac4. Instead after the text move White gets an almost risk-free middlegame position with a slight pull. In general this is quite an unpleasant strategy for the type of player who opts for such an "active opening" as the Grunfeld. Black can recapture with the pawn, C1321) 14 ... ax:b6, and the queen, C1322) 14 ...�xb6,

C132 1 ) 14... ax:b6 This is not without merit, but ultimately I believe the vulnerability of Black's queenside pawns ro be the most important facror.

15.�xd5t @h8 I believe this to be a better try than: 1 5" ,�xd5 1 6,ttJxd5 ttJc4 Black has also tried 1 6".ig4 1 7.ttJxb6 1':1a6 1 8.ttJd5 ttJc4 but this is refuted by the attractive 1 9.1':1fc l ! ttJxb2 20,1':1ab l 1':1a3 (I also examined 20".1':1xa2, but it does not help much, 2 1 .1':1c2 1':1a3 22.1':1cxb2 ixf3 23,ixf3 1':1xf3 24,1':1xb7 Black's position is hardly acceptable, since he can do nothing about White's idea ro penetrate along the seventh rank with his rooks.) 2 1 ,1':1xb2 ixf3 22,ixf3

1':1xf3 23.1':1xb7 with a winning position, Ross - Savereide, Saint John 1 988, 1 7.b3 ttJd6 Now I discovered a nice improvement:

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1 8.1':1fd 1 !N 1 8.ttJxb6 1':1a6 1 9.ttJxc8 1':1xc8 20.1':1fd 1 ttJxe4 21 .ttJxe5 f5 22.f4 ixe5 23.fxe5 1':1c2 and Black has reasonable drawing chances, Sriram - Rodriguez Lopez, Pontevedra 2008. 1 8".ttJxe4 1 9,ttJxe5 fxe5 Now 1 9".f5 meets with a stylish refutation: 20.ttJe7t @h8 2 1 .1':1d8! ixe5 22.1':1xf8t @g7 23.1':1g8t �f7 24.1':1cl +20.ixe4 ig4 2 1 .1':1d2 White has a clear positional advantage.

1 6JUdl �e7 17.�b5 �c5 1 8.�d5 �c6 Exchanging queens is inadvisable for Black, as in this case he loses the b6-pawn: 1 8".�xb5 1 9.1':1xb5 id7 ( 1 9".1':1a6 20.ttJd5!) 20.1':1xb6 ic6 2 1 .ifI ± Quinteros - L. Bronstein, Sao Paulo 1 977.


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1 9.'lWb4!N This move is obviously better than the inaccurate 1 9 .Elad 1 ?!, which allowed Black to equalize after 1 9 ...ie6 20.Eld6 'lWxb5 2 1 .lLlxb5 ixa2 Kristiansen - Heggheim, Oslo 1 978. 1 9...ie6 20.l'!:d6'IWc8 21 .lLld5 ixd5 22.l'!:xd5 'lWc7 23.l'!:adl l'!:fd8 24.'lWc3! tt:lc6 25.a3 White enjoys a small but stable edge. C1322) 14 ...'lWxb6 1 5.lLlxd5

1 9.Elxg7! Wxg7 20.tt:lc7 and White wins, Brunello - D. Andersen, Helsingor 2008. 1 7.'lWb3 Elm An unfortunate idea. Better was the modest 1 7 . . . \t>h8 although after 1 8.Elfd U:: Black has a slightly worse version of the position with the queen on d8. 1 8.Elfd 1 \'!Jff8 With the queen on d6, 1 8 ...ie6?? loses to 1 9.tLlxf6t. 19.1Llc7! This was Ryzhkov - Ovchinnikov, Tula 2004. White is already winning, as 1 9 . . . Elb8? would allow 20.Elxc6.

8 7 6 5 4 3 2 1 5 ...'lWd6 This is not a stable square for Black's queen. 1 6.Elc 1 lLlc6 Black is certainly not ready for activity such as 1 6 . . .f5? 1 7.Elc7 Wh8 1 8 .lLlg5 ie6 8 7

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16... tt:lc6 Other options are clearly worse: 1 6 . . .ig4 1 7.Elc7! Elm A m istake, but White is better anyway. 1 8.Elxf7 Wxf7 1 9.1Llxe5t! fXe5 20.\'!Jfxg4 and White is a pawn up for nothing, Cvitan - Sanchez Almeyra, Biel 1 992. 16 ... Elf7 1 7.b4 lLlc6 1 8.b5! lLla5 1 9.1Llc7! A very concrete and strong approach. 1 9 ... Eld7 The main point of White's idea can be seen in the following line: 1 9 ...\'!Jfxd l 20.ElfXd 1 Elb8 2 1 .Eld8t Elf8 22.tLle8! and White wins material.

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Chapter 1 9 - Dynamic Variation 20.ctJxa8 Eixd1 2 1 .Eifxd 1 �f8 22.ctJc7± White's two rooks are clearly stronger than Black's queen, Tatenhorst - Zylla, Germany 1 993.

17.�b3 This natural move is considered best by theory. 17 ... Eif7 This is the main reply. Black has also tried: 17 .. .'�h8 1 8.Eifd l f5 To me this looks rather dubious. 1 9.ctJb4! �f6 This was N. Pen - Bu Xiangzhi, Liverpool 2007. Now instead of settling for the draw by 20.ctJd5 White could have achieved an advantage by simple means: 20.ctJxc6!N fxe4 20 . . . bxc6 is strongly met by 2 1 .�e3 f4 (even worse is 2 l .. .fxe4?! 22.ctJd2!) 22.�c5 i.g4 23.Eid6 and Black is going ro suffer. 2 1 .ctJcxe5 exf3 22.ctJxf3 i.g4 23.Eic3! White keeps an extra pawn. Cenainly Black has some chances for the draw thanks to the possibility ofdefending with opposite-coloured bishops, but I doubt that many players would consider this a satisfactory outcome from the opening for Black.

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20.i.b5!N 20.�a4 has been played in a couple of games, bur the text is a natural improvement. 20 ... Eib8 2 1 .�a4 White's initiative is not easy to contain. For example, 2 1 . . .Eid7 is met strongly by 22.ttJb4!. C2) 8 ... 0-0 9.0-0

18.Eifdl i.e6 1 9.if1! Despite being played only twice the text seems to me the most natural continuation. One of White's main strategic ideas is to exchange light-squared bishops, leaving White's central knight against Black's dark bishop. 19... @h8 I also examined 1 9 ...Eid7 20.i.b5 Eic8 2 1 .�a4 Eid6 which appears pretty solid for Black. Nevertheless White obtains a comfortable edge through an elegant tactical combination: 22.i.c4 Wh8 23.ctJb6! Eixd 1 t 24.Eixd 1 �xb6 25.i.xe6 Eid8 26.Eixd8t �xd8 27.i.d5;1;

We should also consider a couple ofless serious alternatives.

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9 ... �g4 1 0.h3 �xf3 1 1 .'lWxf3 Exchanging the black light-squared bishop for White's knight cannot be a good idea. 1 l . ..e5 1 2.dxe5! This is easier than 1 2.d5 tiJe7 1 3 .e4, which leads to a position examined in line C 1 1 . 1 2 ...�xe5 1 3 .'lWe2 'IWe7 This far we have been following Navarovszky - Kirov, Polanica Zdroj 1 976. Now White could have played the following natural moves:

1 6.tiJe4!N tiJxf3 An important point is that 1 6 . . . tiJd3 allows White to seize a dangerous initiative with 1 7.�xg7 xg7 1 B.l'!fd 1 ! tiJxc 1 1 9.'lWb2t fB 20.'lWhBt e7 2 l .Wf6t eB 22.l'!xc l . 1 6 ...'lWf5 can be met comfortably with 1 7.�xe5! �xe5 1 B.lUc5 l'!abB 1 9.e4, with an obvious positional superiority - juSt look at the difference between the knights. 1 7.�xg7 xg7 1 B.'IWxf3 lUd5 1 9.md1 c6 20.lUc5 White has definite pressure, with e3-e4 to follow shortly.

e21) 9 .. e5 1 O.d5 .

�:i *. 8 ;i • .tS " 7 %""�r_" ' �r � y.lf % 'X_"

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14.�d2!?N l'!fdB 1 5.l'!fd 1 �g7 1 6.�e U With a pleasant edge. 9 . . .�e6 1 0.b3 'lWcB 1 1 .�b2 �h3 The exchange of the light-squared bishops costs Black some time and does not lead to equality. 1 2.l'!c1 �xg2 1 3.xg2 l'!dB 14.We2 e5 1 5.dxe5 tiJxe5 Kharitonov - Zaichik, Vilnius 1 97B. Once again we have a natural improvement.

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� . � � ,� 65 " � �M%�. �� ,� � 4 �� %' ' / /�r � � 3 m' t�ttJ�

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I O e4 This used to be considered fully reliable for Black, up until the Tkachiev - Sutovsky game featured in the main line below. After 1 0 . . . lUa5 1 l .e4 we reach a position that was examined in line C 1 3. ...

The other serious option is: 1 0 . . . lUe7 1 1 .e4 lUc4 This knight manoeuvre is thematic, but costs Black some time. After 1 1 ...�g4 1 2.h3 �xf3 1 3.'lWxf3 c6 1 4.l'!d l we once again reach a position from the B ... e5 variation, this time line C 1 1 . 1 2.b3 lUd6 1 3 .�a3

Chapter 1 9 - Dynamic Variation This is the most purposeful square for the bishop. White has a promising position, as shown by the following lines. 1 3 . . . h6 Premature would be 13 .. .f5?! in view of the thematic 1 4.lUg5! f4 1 5.lUe6 ixe6 1 6.dxe6 lUc6 1 7.lUd5 with a big advantage for White, Srohl - L. Horvath, Germany 2005. 1 4.l"kl f5 This occurred in Krant - Shure, New York 1 992. Here I found a nice improvement:

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1 4.!d2! Tournament practice has demonstrated that Black has full compensation for the pawn after 1 4.ixc6 E:b8. Instead White should concentrate on development, with a view to exploiting his superior structure later in the game. 14 ... lDc4 1 5.lDa4! E:b8 1 5 . . . lUxb2?? would be a decisive mistake in view of: 1 6.lUxb2 ixb2 1 7 .E:ab 1 E:b8 1 8.ic1 +Black has also tried: 1 5 ...if5 1 6.E:ac 1 lUe5 1 7.ie2 �e4 This looks tricky, but White can keep the advantage with precise play. 1 8.ia5 lUf3t This was Blecken - Von Alvensleben, Germany 1 996. Here White should not be afraid of Black's threats and instead react calmly.

1 5.E:e l !N Targeting the e5-pawn. 1 5 . . .f4 This looks like the natural response. 1 6.lUa4! White obtains a srrong initiative on the queenside. His ideas include 'Wc2 attacking the c7-pawn, or lUc5-e6.

l 1 .dxc6 �xd l 1 2.E:xdl ex£3 1 3.ix£3 bxc6 a

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1 9 .@g2!N The discovered checks achieve very little. Here is a sample line: 1 9 ... lUel t 20.@fl lUf3 2 1 .lUc5 lUxh2t 22.@gl lUf3t 23.@g2! lUh4t 24.@h3 if3 25.ixf3 lUxf3 26.<j;Jg2 lUe5 27.ixc7± White is clearly better, due to Black's weak pawns on the queens ide.

1 6.!c3 !xc3 17.bxc3 lUe5 1 8.!e2!

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Another accurate move. I nstead if 1 8.iLg2 Black has 1 8 ... E:b5! intending . . . E:a5 with decent counterplay.

1 8 ...iLe6 1 9.E:d4! White has coordinated his pieces in an optimal way, preventing all counterplay.

a journey towards the c5-square. 1 2 ... E:fd8 1 3.ttJge4 e5 1 4.ttJc5 iWc8 1 5.d5 e4 This was Korchnoi - Olafsson, Stockholm 1 962, and now White should have continued 1 G.iWe2N ttJxd5 1 7.ttJxd5 E:xd5 1 8.ttJxe4 iLxb2 1 9.iWxb2 iLxe4 20.iLxe4 E:dG 2 1 .E:fd a with a pleasant edge.

1 9 ... ctJd7 20.E:adl ctJb6 2 1 .ctJcS Black faces a depressing endgame, Tkachiev - Sutovsky, Dresden 2007.

l 1.ia3 E:e8 1 2.dxeS ctJxeS 1 3.ttJd4 This is more ambitious than 1 3.ttJxe5 iLxe5 1 4.E:cl with j ust a slight edge.

e22) 9 ... aS 10.b3

1 3 ... c6 1 4.Wc2 ctJdS l S.ctJxdS adS We have been following the game Sokolsky - Arulaid, Moscow 1 959. Now I suggest:

1 0 . . . a4?! is premature. 1 1 .ctJxa4 ctJxa4 1 2 . bxa4 iLeG ( 1 2 . . .iLf5 , Covic - Plakalovic, Jahorina 2003, can be met simply by 1 3.ctJh4N iLd7 1 4.E:b 1 ±) 1 3.E:bl E:a7 1 4.iWc2 iWa8 1 5.ttJh4! Black fails to obtain sufficient compensation for the pawn. 1 0 ...iLg4 was played in Gorelov - Tseshkovsky, Minsk 1 985. Here I suggest the following line for White: I l .h3N iLeG 1 2.iLa3 ttJd5 1 3.ttJa4 ttJdb4 1 4.iWe2;!; and White is slightly better. 1 0 . . .iLf5 l 1 .iLb2 iWd7 1 2 .ttJg5!? Not only preventing . . .iLh3, but also embarking on

This is the most fashionable line nowadays.

1 0.E:e1!? This continuation used to be considered harmless for Black, but after the game Tkachiev - Iordacescu, Dresden 2007, it returned to fashion. The rook move is useful preparation for the central confrontation that usually takes place within a few moves.


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accept the pawn with 1 4 ... tUxd4 l S.tUxd4 ixd4 1 6.ixh6 ic4! 1 7.�f3 eS with equal chances.

14 ... �a5!? Black finds a remarkable way to activate his rook. Here the rook helps to control the dS square while also supporting the thematic ... eS break. On the other hand, with all the minor pieces still on the board, the rook might be subjected to an attack at some point.

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At this point we should look at C23 1 ) l O. . .b6!?, C232) 1 O. . .id7, C233) lO... a5!? and finally the main line of C234) lO ...e5.

C231) 1 O ... b6!? Rather a curioLls waiting move. Black is waiting for his opponent to reveal his intentions before committing himself to a definite plan. The text might be useful in preparing to develop the bishop on e6 without fear of harassment from a knight on gS .

1 1 .h3!? White responds in a similar manner. The premature 1 1 .b3 is exactly the move Black was waiting for. After 1 1 ...eS 1 2.dxeS tUxeS 1 3.tUxeS ixeS 1 4.ib2 �xd l l S.�axd l c6 Black equalized comfortably in Prakken Okhotnik, Nancy 2004. 1 1 . .. a5 1 2.'&e2 The same idea can be found in line C233 with 1 0 ... aS. 12 ... a4 1 3.�dl Preventing ... eS for the time being. 1 3 ...ie6 14.ttJd2 This looks like the most promising idea. In case of the natural 1 4.e4 Black can bravely

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1 5.�bl !?N This is my improvement. The idea is to prepare the b2-b4 advance to take advantage of the position of the black rook. l S.tUde4 �cB 1 6.�h2?! After this Black's set-up works perfectly. The principled continuation was 1 6.tUcS, when Black has to sacrifice an exchange by means of: 1 6 ...ixh3 1 7.tUxb7 ixg2 1 B.tUxaS �h3 1 9.f3 ixf3 20.�xf3 tUxaS White is probably bener here, but Black has definite compensation, due to the vulnerable position of White's king. 1 6 ...ic4 1 7.�c2 eS 1 B.dxeS tUb4 1 9.�d2 �axeS+ TIlis was Cvitan - Kozul , Reggio Emilia 1 993. Black has obtained an excellent position and went on to win a nice game.


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lS Wics Another option is I S ...�a8 I 6.b4 axb3 I 7.liJxb3 �c4 I 8.�eI Ei:a7 1 9.a4;!; with pressure on the queenside. ..•

16.b4 axb3 17.liJxb3 i.c4 If I 7 ... Ei:a8 I 8.dS �xc3 1 9.dxc6 bxc6 20.�xc6 �xh3 2 l .e4 I do not believe Black has sufficient compensation.

Unlike the main l ine C234, Black does not have the g4-square available for his bishop. On the other hand his ... �d7 move vacated the c8square for the knight, meaning that dS-d6 is of no concern here.

14.a4! This is a thematic idea for this variation. 14 cxdS l S.exdS liJf5 16.liJe4 liJc4 Black's moves appear perfectly natural, but somehow he fails to equalize. ••.

ls.Wib2 Ei:aS 19.1iJcS Ei:dS 2o.Wic2!;t White keeps definite pressure on the queenside.

17.g4! liJfd6 I also considered 1 7 ... liJd4, when White maintains an edge with 1 8.liJxd4 exd4 1 9.b3 liJaS 20.�f4 �b6 2 1 .Ei:b 1 .

C232) 10 ...i.d7 1 1 .h3

lS.ttJfd2! After this powerful move Black cannot maintain the blockade on d6. IS ... f5 1 9.ttJxc4 ttJxc4 20.b3! ttJaS 2 1 .i.gS Wib6 22.i.e3 WidS This posltlon occurred 111 !zoria Kempinski, Ohrid 200 l . Here White missed an opportunity to increase his advantage:

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Once again we see this useful waiting move. Now White is ready to meet . . .�c8 with <j;Jh2.

1 1 ...eS Black can first insert 1 1 ...�c8 I 2.i>h2 and only then carry out the thematic 12 . . . eS, but this does not change the overall evaluation of the position. Atishay - Nadig, Mumbai 2008, continued I 3.dS liJaS 1 4.e4 liJac4 l S .b3 liJd6 1 6.a4 as, and now the simple I 7.�e3N fS 1 8.Ei:c l would have given White a comfortable edge. l2.dS liJe7 1 3.e4 c6

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C233) lO .. a5!? .

.� 8 .i ' _ _ � � .i , , � j 7 J J. � %� ' ,�� %._� 6 iI' 1Il� 1Il� 54 l•lIlnlll •1Il• �%'�� ''/d'''''%®'0 �®'� 3� � fl� �� O% iO% f':'\ �i � �; � %'''''%d:f 2 �%n/'''''' � Z···· %�f0 Z···· %?�ci!···· .

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The following options also deserve our consideration. 1 1 ...�e6N has not been tested yet. 1 2.1'%d l �c4 1 3.Wc2 (This is more accurate than 1 3.We l lDb4 1 4.b3 �a6 when Black has counrerplay.) 1 3 . . . lD b4 1 4.Wb l a4 1 5 .e4 Wd7 1 6.�e3;j; White has the more pleasant game, although the position remains quite complicated.

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This subtle move has become quite topical lately. Black takes control of some extra space on the queenside and waits for a favourable moment to strike in the centre with . . . e5.

1 1 .'lWe2!? This is an interesting new attempt to fight for the advantage. White intends to place his took on d l , which should make Black think twice before executing his intended . . . e7-e5 advance. 1 1 .b3 e5 1 2.lDxe5 lDxe5 1 3.dxe5 �xe5 14.�b2 c6 is acceptable enough for Black, the latest example from Grandmaster praxis being Drozdovskij - Kempinski, Germany 2008. Interestingly, when I wrote the first draft of the present chapter, 1 1 :&e2 was a move that I found by myself, and I intended to present it as an interesting novelty. However, between then and the time of publication, it has so far been played in no less than five (!) different games. This can only be a good thing insofar as it allows us to draw more informed conclusions about the objective merits of the move. So far, the evidence appears quite promising for White.

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1 1 ...a4 1 2.1'%d 1 �f5?! This seems a bit strange, as it provokes White to win some tempos. Another line is 1 2 . . . 1'%a5 1 3.lDe1 �f5 1 4.�d2 and Black's rook on a5 is completely misplaced. I also examined 1 2 . . .�g4, when 1 3.h3 �xf3 1 4.�xf3 e5 1 5.dxe5 Wg5 1 6.�d2 �xe5 17.1'%ac J leaves Whi te with a pleasant edge. 1 3.d5 lDa5 14.lDd4 Wc8 A sad necessity, as Black can hardly play 14 ...�d7 in view of the elegant 1 5.lDe6!. 1 5.lDxf5 Wxf5 1 6.e4 Wc8 1 7.e5± White has achieved everything he could wish for in this line, Diamant - D. Howell, Puerto Madryn 2009.

I V�jxe5 ltJxe5 13.dxe5 i.xe5

8 7 6 5 4 3 2 1

14.e4!

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The first game to feature White's 1 1 .�e2 was Ljubojevic - Grischuk, Villarabredo 2009. In that encounter he failed to achieve anything special after 1 4.f4 ixc3 1 5.bxc3 if5!? 1 6.ixb7 l:'!b8 1 7.if3 ie4 when Black had nice compensation due to his domination over the light squares and the passivity of White's bishop. The text started out as my own improvement, but it has since been played three times before the book was published.

14 ...ie6 1 4 ... c6 is too slow and allows White to carry out his plan without problems. 1 5.ie3 ie6 1 6.f4 i.g7 1 7.e5 Blocking the g7-bishop and intending to penetrate with the knight to d6. 17 . . . f6 An understandable decision, given the previous comment. 1 8.l:'!ad 1 �c7 1 9.exf6 ixf6 20.ttJe4 ie7 (if 20 ...ig7 2 1 .ttJd6± Black's position is very difficult) We have been following the game Tkachiev - Maze, Nimes 2009. At this point the simple 2 1 .id4!N would have left Black in considerable danger, due to the exposed position of his king. 1 4 . . . a4 occurred in Khismatullin - Efimenko, Ohrid 2009. Now White should have played 1 5.f4N ig7 1 6 .ie3 a3 17.l:'!ad 1 �e7 1 8.e5 axb2 1 9.ixb6! cxb6 20.�xb2 maintaining a long-term advantage, due to his superior pawn structure.

l S.f4 ig7 The computer likes 1 5 ... ixc3 1 6.bxc3 id5, although I cannot imagine many human players being attracted by this. In any case, I believe that after 17.�f2 i.c6 1 8.ia3! intending ic5d4, the vulnerability of Black's dark squares should tell eventually. I also analysed 1 5 ...id4t 1 6.ie3 ttJc4 17.if2! (The obvious 1 7.ixd4 leads to unclear play after 1 7 ...�xd4t 1 8.Wh 1 l:'!ed8 1 9 .1:'!ad l �c5 .)

17 ... c6 1 8.l:'!ed 1 !? ixf2t 1 9.�xf2 �b6 20.b3 �xf2t 2 1 .Wxf2 ttJb6 22.e5! The endgame is certainly better for White, who intends ttJe4 in the nearest future.

16.ie3 �e7 17.eS Suddenly Black's position starts to become uncomfortable. 17...l:'!ab8 This position occurred in Rogozenko Areshchenko, Germany 2009. Now White has a wide choice, but the most accurate would have been:

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1 8.'Wf2!N White's advantage is obvious. Aside from his superiority in the centre, he has two concrete threats in 1 9.i.c5 and 1 9.ttJb5. Of course, there is also the option of slowly improving the position with ideas such as ttJe4. C234) lO ... eS n .dS Now we have reached an important crossroads for Black. Here he can consider C2341 ) 1 1 . . .lbe7 and C2342) l 1 . . .lbaS.

C2341) 1 1 . .. lbe7 This has brought Black excellent practical results, but White's play can be improved.


12.e4 i.g4 Here I developed the following plan for White: 1 3.a4 c6 1 4.a5 ttJc4

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20.�g5 f6 2 1 .ttJxf6t There is a second promising cominuation in 2 1 .ie3!? ttJc6 (2 1 .. . ttJac4 22.ixa7 is strong) 22.l=1ed l with excellem compensation. 2 1 ... ixf6 22.ixf6 Wixf6 23.l=1xa5 a6 24.l=1d5 White has regained his pawn while keeping a stable advantage.

17.ig5 h6 The idea to sacrifice an exchange for the strong passed d-pawn does not work: 1 7 ... d4?! 1 8.ttJd5 h6 1 9.ttJxe7t l=1xe7 20.ixe7 Wixe7 2 1 .Wib3! ttJd6 22.a6 b6 23.l=1ec 1 and White is clearly better.

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1 5.h3!N Having analysed this importam novelty in some detail, I believe it promises White good chances to fight for the advamage. The only previous game continued 1 5.a6 bxa6 1 6.Wib3, Krisko - Soucek, Czechoslovakia 1 989, and now Black could have achieved comfortable play by means of 1 6 ... cxd5!N 1 7.exd5 Wic8. 15 . ..hf3 1 6.Wixf3 cxd5 The first poim worth noting is that the a5pawn is poisoned: 16 ... ttJxa5? 1 7.d6! and Black loses one of his knights. .

Black can also try 1 6 . . . ttJd6 1 7.Wid3 cxd5 Not so good is 1 7 ... c5?! 1 8.�e3 l=1c8 1 9.ttJa4! and White is clearly better. 1 8.ttJxd5 ttJc6 1 9.h4!? r like this move, not only preparing ig5 , but also vacating the h3-square for the bishop. 1 9 ... ttJxa5 This is obviously the principled cominuation. Instead if 1 9 . . . h6 20.�d2 White enjoys a pleasam edge.

1 7 ... dxe4 allows White to obtain a strong initiative after 1 8.ttJxe4, for instance 1 8 ... ttJxa5 1 9.1:01ed l Wic7 20.ttJf6t �xf6 2 1 .Wixf6 and wins.

1 8.he7 l=1xe7 1 9.ttJxd5 l=1e6 20J3ec1 �c8 21 .h4! White has definite pressure, thanks to the superiority of both of his minor pieces over their black counterparts. C2342) 1 1 ...ttJa5 1 2.e4 c6

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the long diagonal, but it turns out that White has enough tactical resources to j ustify the decision. Other moves are not so dangerous for Black. One recent high-level encounter continued 1 3 .ig5 f6 14.ie3 cxd5 1 5 .ixb6 axb6 1 6.ttJxd5 ie6 1 7.'lWe2 ixd5 l S.exd5 f5 and Black easily solved his opening problems, Ivanchuk - Dominguez, Sofia 2009.

l3...cxd5 14.exd5

Only this move enables White to fight for an opening advantage. 1 7.id2 if5 l S.Ele1 if6 1 9.ixa5 'lWxd5 20.'lWxd5 ttJxd5 was equal in Gagunashvili Sutovsky, Rishon Le Zion 2006. 1 7 ...if6 Black cannot play 1 7 ... f6 I S .id2 if5 1 9 .Ele 1 ttJxd5 20.'lWxa l ± and despite the material equality his position is very difficult. l s.ixf6 'lWxf6 1 9.EleSt 1 9.'lWd2 if5 20.Ele 1 ttJxb3 2 1 .axb3 EldS is perfectly playable for Black. 1 9 ... �g7 20.'lWe 1 ig4 2 1 .ElxaS ttJxaS 22.ttJe5 ics 23.b4 White was clearly better in Podgaets Nedilko, Odessa 2007.

16.ig5 f6 17.id2 ttJc6 Despite the material equalityand symmetrical structure, Black is still a long way from equality as White's forces are much better mobilized.

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We have reached our final branching point of the chapter. Here Black should choose between C23421) 14 e4 and C23422) 14 ...ig4.

1 8.Elc1 if5? A bad move, but it was hard to suggest a fully satisfactory continuation. Now in the game Tkachiev - Mikhalevski, Ajaccio 2007, White should have played:

•••

C23421) 14... e4 This appears critical, but the tactics turn out in White's favour.

1 5.liJxe4! liJxd5 The immediate rook capture is very bad for Black and it is no surprise that it has never occurred in practice. 1 5 ...ixa l ? 1 6.ig5 f6 1 7.ixf6! ixf6 l S.ttJxf6t 'lWxf6 1 9.ElxeSt �f7 20.'lWe l with a winning position. An important alternative is: 1 5 ...Elxe4 1 6.Elxe4 ixa1 17.ig5

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19.ttJc5!N Elxel t 2o.ixel! Black can hardly avoid material losses.

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C23422) 14...ig4 15.ia3! This is a key move. The bishop is heading for b4, where it will attack the misplaced knight on a5.

15 .. f5 We should also consider: 1 5 ... e4 This principled continuation has been played many times, but it just seems to lead by force to an inferior position for Black. 1 6.ltJxe4 Wxd5 Once again White's rook is untouchable: 16 ...�xa l ? 1 7.Wxal ltJxd5 I B.ltJe5 i.e6 1 9.1tJd6 and Black's position just collapses. Black can also take on d5 with the knight, but this also fails to solve his problems: 1 6 . . . ltJxd5 17.Elc l ltJc6 I B.ltJd6! Elxe l t 1 9.Wxe l ElbB ( 1 9 . . .Wf6 20.We4± brings no relief either) 20.ltJxb7 Elxb7 2 1 .Elxc6 and White remains with a healthy extra pawn, Navara - Ivanchuk, Prague (rapid) 2009. 1 7.Wxd5 ltJxd5 I B.Elac l After a nice tactical battle a near-symmetrical posmon has arisen in which Black unexpectedly faces serious problems, due to the poor coordination of his knights and the vulnerabiliry of the h l -aB diagonal. I B . . . ltJc6 If I B ... ElacB Black loses material after 1 9.ElxcB ElxcB 20.ltJd6 ElbB 2 1 .ltJxf7!. 1 9 .1tJd6 Elxe l t 20.Elxel ltJdb4 2 1 .i.xb4 ltJxb4 22.ltJg5! This very strong move maintains White's initiative. 22 ... f6 The most stubborn defence. White's task would be easier after: 22 ... ltJxa2 23.i.xb7 ElbB 24.i.d5 i.f6 25.ltJgxf7± 23.i.xb7 Also worthy of consideration was 23.ltJe6!? i.xe6 (23 ... ltJxa2 is met strongly by 24.ltJxg7 Wxg7 25.ltJeBt! and Black loses both his

b7- and f6-pawns) 24.Elxe6 ltJxa2 25.Ele7 with an initiative. 23 ...ElbB This position occurred in Tkachiev Iordachescu, Dresden 2007. Here White missed the best continuation:

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24.Ele4!N fxg5 25.Elxb4 EldB 26.Elxg4 Elxd6 27.Elxg5 Eld2 2B.Eld5 Elxa2 29.Eld7± With a very difficult endgame for Black. 1 5 ... ElcB This was recommended by Ftacnik in ChessBase Magazine 1 18. Now White should continue with: 1 6.Elc l ! i.h6 Or 1 6 .. .f5 1 7.i.b4 ltJd7 I B.Wd2 with an advantage. 1 7.Elc2 i.f5 Objectively better is 1 7 .. .f5, although White keeps clearly better chances after: I B.i.b4 ltJd7 1 9.1tJa4 Elxc2 20.Wxc2 i.xf3 2 1 .i.xf3 e4 22.i.e2±

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l SJ3ce2!! A great tactical idea, found with the help of my silicon friend. The point is revealed after: l S . . . !hc3 1 9.1Dxe5 Despite being a piece up, Black is unable to defend against the numerous threats, for instance: 1 9 . . .�d7 20.�b4 i:%el 2 1 .lLJxd7! i:%xe2 22.lLJf6t! �xf6 23.�xe2 White will regain the piece while keeping an extra pawn and a winning position.

16.�b4 lLJd7 The alternative 1 6 . . . e4 1 7.�xa5 �d6 occurred in the very recent game Caruana - Dominguez Perez, Wijk aan Zee 20 1 0. Here White's strongest continuation would have been l S.i:%el !N exf3 I 9.�fl . White is threatening lLJb5, and I9 ... a6 is well met by 20.i:%e6! i:%xe6 2 1 .dxe6. This is actually the same as the game, except for the position of the rook on el instead of b I , which can only favour White. In my opinion his advantage is already decisive. One important point is that 2 1 . . .�xe6? can be refuted by the elegant 22.lLJa4! winning material, thanks to the idea of ic4 winning the queen. 17.�d2 ixf3 18.ixf3 irs Black could also try I S ... e4 1 9.ig2 b6, though after 20.f3! exf3 2 1 .i:%xeSt �xeS 22.�xf3 lLJe5 23.ig2 White maintains a pleasant edge, thanks to his bishop pair and strong passed pawn. We have been following the game Asis Gargatagli - Kalod, Sabadell 2007, in which White failed to find the best continuation.

21 .ie2 i:%c8 22.i:%ac1 White's chances are preferable, thanks to the strong d-pawn. Conclusion: The system featured in the present chapter, involving . . . d5 without the preparatory . . . c6, leads to positions more in keeping with the general character of the Griinfeid and is the natural choice for players looking for a dynamic and unbalanced game. White startS out with a slight superiority in the centre, having exchanged on d5. For this reason, most of Black's attempts to obtain counrerplay will be based on preparing . . . e5 or ... c5. Depending on the specific circumstances, a variety of potential central pawn configurations might occur. We have seen that many of the resulting positions contain an intriguing blend of positional and tactical motifs, and are likely to provide plenty of complex challenges for both sides. Ultimately I believe White's prospects to be slightly superior, and a player armed with the analysis contained in these pages will have excellent chances to create problems for his opponent.

Griinfeld Defence a

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Solid Variation Variation Index l .d4 �f6 2.c4 g6 3.g3 c6 4.�f3 d5 5.b3 i.g7 6.i.g2 A) 6 ... dxc4 B) 6... 0-0 7.0-0 Bl) 7...i.e6 B2) 7... c5 B3) 7 ... �e4 8.i.b2 B4) 7 ... i.fS 8.i.b2 B41) 8 ... �bd7 B42) 8 .. :�c8 B43) 8 ... �e4 B5) 7... �bd7 B6) 7 ... a5 8.�c3 �e4 9.i.b2 B6 1) 9 ... �xc3 10.i.xc3 B62) 9 ...i.fS B7) 7... dxc4 8.bxc4 c5 9.i.b2 B7 1) 9 .. :Wb6 B72) 9 ... cxd4 1 0.�xd4 B72 1) 1 0... �g4 B722) 1 O ... �c6!? B723) 1O ..:�Nb6 1 1 .�b3 B723 1) 1 1 ...�bd7 B7232) 1 1 ...�fd7 1 2.e3 B7232 1) 12 ... �c5 B72322) 12 ... �a6 B72323) 1 2 ... �c6

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1 .d4 lLlf6 2.c4 g6 3.g3 c6 4.lLlB d5 5.b3 ig7 6.ig2 The solid system with . . . c6 and . . . d5 in the Griinfeld has proved to be one of the most difficult nuts to crack. I was determined to suggesr the g3-variation for various reasons, one of them being that I play the Griinfeld at times and have found this Ii ne difficult to face in practice. However, certain theoreticaJ problems remained. The main line against this system does not involve b2-b3, with White instead preferring to exchange on d5. However, after . . . cxd5 it seems unlikely that any advantage can be achieved in this symmerricaJ position. Eventually I came up with a very interesting pawn sacrifice in the 5.b3 line ( l 3 .tUc3!! in line B72323), shifting the foundation under the black position, and suddenly offering White good chances everywhere. Only the future will tell if this evaJuation will stand the test of time. In the short term it seems to offer Black a lot of practical ptoblems, which I have not been able to solve easily for him.

9 ... VNb6 9 ... 0-0 1 0.0-0 would j ust transpose to our main variation. 10.VNb3 In Avrukh - Sutovsky, Jubilee Open 2009, I preferred 1 0.tUb3 0-0 1 l .0-0. Now Black could have obtained a good position with the naturaJ 1 1 . .J!dS 1 2 .�c l tUc6 1 3.tUc3 ie6. 10 ... lLlfd7 This was the move I feared during the game. The problem for White is that 1 1 .e3 is unsatisfactory due to 1 1 . ..tUc5 forcing a favourable queen exchange, as 1 2.�a3?? is impossible in view of 1 2 ...�xb2 and 1 3 . . . . tUd3t winning a piece. It aJmost goes without saying that 1 0 . . . 0-0 1 1 .0-0 again transposes to our main variation.

At this point we should divide our attention between the sideline A) 6 ... dxc4 and the main lines starting after B) 6...0-0.

A) 6...dxc4 7.bxc4 c5 This is reminiscent of the main line, which can be found in line B7 (page 357) . However, the fact that neither side has castled can lead to some independent possibilities, aJthough transpositions can easily occur as well. I faced this line against a Griinfeld speciaJist, Emil Sutovsky, last year.

8.ib2 cxd4 9.lLlxd4 9.0-0 tUc6 1 0.tUxd4 0-0 transposes to the main line; I know Emil has played this position as well. With this particular move order, it looks interesting for Black to try 1 0 . . .id7!?N intending a rapid development of the queens ide with . . . E\CS.

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1 1 .0-0 1 1 . tUd2 allowed Black to get a comfortable game after 1 l . ..tUc6 1 2.tUb5 tUc5 1 3.�a3 ixb2 1 4.�xb2 0-0, Dizdarevic - Shirov, Sarajevo 2004. 1 1 ...lLlc6!? This is the main idea that gives the present line independent vaJue. I only found one game reference, in which Black played 1 1 . . . 0-0 transposing to line B7 as usual.

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Chapter 2 0 - Solid Variation 1 l .. .ixd4?! This was the idea I was afraid of during my game with Sutovsky, but it is hardly correct. 1 2.Wlxb6 ixb6 Objectively better would be 1 2" .axb6 but then Black's idea is senseless, as it gifts White the advantage of the two bishops after 13.ixd4. 1 3.ixhS f6 1 4.a4! Defending against ".id4. 1 4" .'ii7 f7 Or 14".ttJc6 I 5.id5! ttJc5 1 6.ig7! and the bishop escapes via the h6-square. 1 5.a5 id4 1 6.�a3 The threat of 1 7 .a6 gives White an importanr tempo. 1 6" .ttJc5 17.�d l ie5

White can also consider 14.ttJd2!?, e.g. 1 4" .a6 1 5.Wla3 Wlc5 1 6.Wlxc5 ttJxc5 1 7.ttJc3 with a slight initiative.

14 ... ttJde5 1 5.ttJd5 Wlc5 16.�ac1 a6 If 1 6" .ttJxc4 White should conrinue with 1 7.ttJbc7 �bS I s.Wlc3 b5 1 9.ttJxb5 �xb5 20.Wlxc4 Wlxc4 2 1 .�xc4 ie6 22.e4 ttJe5 23.�c7 and White will end up with an extra pawn. Instead 1 7.�xc4 Wlxc4 I S.�c 1 Wla4 1 9.ttJbc7 Wld4 20.Wlxd4 ttJxd4 2 1 .�d l ttJxe2t 22.'ii7 fl ttJxg3t 23.hxg3 �bS 24.ttJxe7t 'ii7 h S! would allow Black to hold the position.

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I S.�e3! An importanr tactical idea White is ready to sacrifice an exchange in order to escape with his bishop. I S".ttJc6 1 9.ixc6 bxc6 20.�xe5 fxe5 2 1 .ixe5 White has an extra pawn and good winning chances.

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17.Wla3! Wlxa3 1 8.lLlxa3 ifS 19.£4 ttJd7 20.c5 It may not be much, but White definitely keeps a small advantage. B) 6... 0-0 7.0-0

1 2.ttJb5 I 2.e3 ttJa5 I 3 .Wlc2 ttJxc4 1 4.Wlxc4 Wlxb2 I 5.ttJc3 0-0 1 6.�ab l Wla3 1 7.ttJdb5 gives White reasonable compensation for the pawn, but not enough to claim a real advanrage. 12 ...ixb2 13.Wlxb2 0-0 14.ttJ 1 c3

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At this major branching point we need to consider the following options: Bl) 7...ie6, B2) 7 ... c5, B3) 7... tiJe4, B4) 7 ... ifS, B5) 7... ttJbd7, B6) 7 ... a5 and finally the main line starting with B7) 7...dxc4 .

B1) 7...ie6 Not a very popular move, but White must still react precisely to get an advantage.

8.ttJbd2 Obviously Black is not concerned about S.ttJg5, as after S ...if5 the knight is misplaced on g5. 8 ... a5 The alternatives are: S . . . ttJe4?! 9.ttJxe4! White can also play calmly with 9.ib2, bur the text move enables him to take advantage of his opponent's inaccuracy to initiate favourable complications. 9 ...dxe4 1 0.ttJg5 Wxd4 Much worse is 1 0 ...ig4 1 1 .ie3 c5 1 2.d5! ixa l 1 3 .Wxa l and Black is in trouble, as was proved in the following encounter: 1 3 . . . b6 14.ttJxe4 f6 1 5.d6! ttJd7 1 6.ih6 l"!eS 1 7.tt:Jg5 e6 I S.h3 with a decisive advantage in Le Roux - Kovchan, France 2007. lo ...ixd4 1 1 .ttJxe6 fxe6 1 2.ih6 ig7 1 3.ixg7 Wxd l 1 4.l"!fxd l I:t:?xg7 occurred in Gomes - Mikadze, Gaziantep 200S, and now White should have played: 1 5.b4!N tt:Ja6 1 6.l"!d7± 1 1 .Wxd4 ixd4 1 2.ttJxe6 fxe6 1 3.l"!b l ttJa6 1 4.b4! White regains the pawn and keeps an obvious edge, thanks to his bishop pair. S ... WcS 9.ia3! A very good moment to develop the dark squared bishop to a3, while at the same time

vacating the c 1 -square for the rook. 9 . . . l"!eS 1 O.l"!c 1 dxc4?! A lesser evil would be lo ... ih3 1 1 .cxd5 ixg2 1 2.l:t:?xg2 ttJxd5 1 3.e4 ttJc7 14.ib2, although here too White has a pleasant edge. 1 1 .bxc4 ih3 1 2 .e4 ixg2 1 3.l:t:?xg2 ttJfd7 1 4.Wb3 c5 1 5.d5 e5 1 6.ttJe1 ttJa6 1 7.tt:Jd3 b6 l s .ib2 ttJc7 19.f4 White emerged with a clear advantage from the opening phase in Jirovsky - Zwanzger, Bavaria 1 999.

9.e3!? Again I favour this flexible approach; It IS important for White to retain different options for the development of his dark-squared bishop. Black is doing fine after 9.ib2 a4 1 0.l"!e 1 axb3 1 1 .axb3 ttJa6. 9 .. ttJbd7 If 9 . . . a4 White should favour the active development of his bishop with 1 0.ia3 ( 1 0. bxa4 dxc4 1 1 .ttJg5 does not work in view of 1 l ...id5 1 2.e4 c3!) l O ... l"!eS 1 1 .We2 Wb6 1 2.l"!fc 1 ttJbd7 1 3.b4! Preventing the possible opening of the a-file. 1 3 ...dxc4 14.ttJxc4 Wa6 1 5.ifU and White has a pleasant game. .

1 O.a4!?N

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Chapter 20 - Solid Variation This interesting and promising concept has not yet been tested. White simply prevents Black's main idea of advancing his a-pawn, at the same time intending to continue his normal development by mean of ia3, 'We2 and �fcl . Black's set-up with the bishop on e6 100ks to me pretty dubious here. Please pay attention to the timing of the last move; White only played a4 after the black knight had committed itself to d7; otherwise it would have found a nice home on a6, eyeing the potential outpost on b4.

341

1 0 . . .id7 1 0 ... tLJxd4 1 1 .'Wxd4 'Wxd4 1 2.ixd4 �d8 1 3.e3 cxb3 1 4.axb3 tLJd5 1 5.ixg7 fl t White enjoys a pleasant, long-lasting edge in this endgame, thanks to superioriry of his bishop over Black's knight.

1 5.ixg7 1he best chance. Black equalizes comfortably after: 1 5.:B:xc4 4Jc6 1 6.ixg7 Wxd l 1 7.:B:xdl ixf3 I s.ixfS ixd l 1 9.ih6 :B:dS!=

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1 4... d.xc4 Black's rwo other options are: 14".ixd4 1 5.4Jxd4 e5 (Black has to solve the problem of his light-squared bishop. After 1 5".4Jc6? 1 6.f3 he loses material.) 1 6.4Jb5 dxc4 1 7.:B:xc4 ic6 1 S.4Jc3 4Ja6 1 9.ig2! White keeps a slight pull due to the vulnerabiliry of Black's queenside pawns. 1 4" .4Jc6 1 5.ixg7 �xg7 This looks very solid for Black, but unexpectedly White manages to create serious play, again due to the slightly misplaced position of the e4-bishop. 1 6.4Jh4! 4Je5 If 1 6" .dxc4 1 7.:B:xc4 f5 ( l 7".id5? is met with I S.Wa l t and the unpleasant I 9.:B:d l ) White manages to pose serious problems with I S.Wal t! e5 (or I S".:B:f6 1 9.:B:d l Wb6 20.g4! with some initiative for White) 1 9.f3 id5 20.:B:d l :B:O 2 1 .:B:c2 (less convincing is 2 1 .:B:c5 :B:d7 22.e4 ie6 23.:B:xd7t Wxd7 24.exf5 gxf5 25.ixf5 ixf5 26.:B:xe5 4Jxe5 27.Wxe5t �gS 2S.4Jxf5 :B:a6!) 2 l ...:B:d7 22.:B:cd2 ie6 23.:B:xd7t ixd7 24.f4

1 5 ...'it>xg7 16.�d2!? This slightly surprising pawn sacrifice allows White to fight for an opening advantage. 1 6...id3 17.:B:e1 cxb3 If Black refuses the pawn with 17".4Jc6 then White keeps better chances after l S.4Jxc4 e5 1 9.ifl ! ixc4 20.:B:xc4.

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1 8.Wxb3! White must not allow Black to take control over the h I -aS diagonal, as happens after I S.4Jxb3 ie4!. 1 8 ... �c6

Chapter 2 0 - Solid Variation 18 ...�a6 allows the strong manoeuvre 1 9.ttJe4! ttJc6 20.ttJc5, with unpleasant pressure.

19.i.g2 Certainly not 1 9.i�:hb7 ttJb4 and Black is already better, thanks to the dual threats of ... ttJxa2 and ...�a6 followed by ... ttJd3. 19 .. J�b8 20.Ek5!? Another possibility is 20.�c3t cj;Jg8 2 1 .ttJb3, but here Black has the very strong punch: 2 1 ...ttJb4! Now after 22.:gedl ttJxa2 23.�a l ttJxc 1 24.ttJxc1 �b6 25.ttJxd3 :gfd8 we reach a more or less balanced position. White has sufficient compensation for a pawn, but no more.

357

B7) 7... dxc4 Not the most popular choice, but in my view a critical one, as Black tries to solve his opening problems by concrete means.

8.bxc4 c5 The point. This is considered one of the most challenging responses to White's set-up. 9.i.b2 Black is doing fine after 9.e3 ttJc6 1 0.�b2 �b6!.

20 ...i.a6 21 .'lWc3t �g8 22.i.xc6 bxc6 23.�b3 i.b5 24.�d4 'lWd7 White has some sort of domination and can regain the pawn at any moment. Meanwhile he can try to push his kingside pawns in order to create targets near the black monarch. 25.h4!?

8 7 6 5 4 3 2 1

Now we reach an important crossroads for Black. He can choose between B71) 9 ...'lWb6 and B72) 9 ... cxd4.

B71) 9 ...'lWb6 This is a serious alternative to the main line.

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With the idea of 26.h5. I believe White can try to squeeze something from the knight's superiority over the enemy bishop.

lO.'lWb3 liJfd7 This is Black's first choice according to theory. He has also played: 1 0 ... ttJe4 1 1 .e3 cxd4 1 1 . . .ttJc6 may well be a better try. In this case White can force favourable simplifications with 1 2.ttJe5 ttJd6 1 3.ttJxc6 bxc6 1 4.dxc5 �xc5 1 5.�xg7 �xg7 1 6.ttJd2± retaining some pressure.

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1 2.ixd4 �a6 Black fails to equalize after both 1 2 . . .�xb3 1 3.axb3 4Jc6 1 4.ixg7 'tt xg7 1 5.4Jd4± and 1 2 ...ixd4 1 3.exd4 with an edge for White. 1 3 .ixg7 'tt xg7 1 4.4Jd4 4Jc5 1 5.�b2 �f6 1 5 . . .f6 does not impress, as after the obvious 1 6.4Jc3! �xc4 1 7.4Jd5 White has a powerful initiative. 1 6.4Jc3 e6 1 7.�a3 4Jbd7 1 B.gab l ± White was clearly better in P. H . Nielsen - El Kher, Aarhus 1 999.

1 1 .4Jc3! White immediately exploits the fact that Black relinquished control over the d5-square. 1 1 ... 4J c6 In Cuevas - Vargas Mal iq ueo, San tiago 2007, Black grabbed the central pawn with 1 1 ... cxd4 1 2.4Jd5 �dB 1 3.ixd4 ixd4 1 4.4Jxd4 e6 1 5.4Jb4 4Jc5 1 6.�e3 4Jbd7. Now the simple 1 7.gabl !?N a6 I B.4Jd3 would have brought White a clear advantage, for instance: 1 B ...�c7 1 9.4Jc6! bxc6 20.4Jxc5± 12.4Jd5 Also worthy of consideration was 1 2.e3!?N. After 12 ... 4Ja5 White retains pressure with 1 3.�c2 4Jxc4 14.4Jd5 �xb2 1 5.4Jxe7t 'tt hB 1 6.�xc4 cxd4 1 7.4Jxd4. And against 1 2 ... cxd4 White plays 1 3.4Jxd4, which transposes to a position from the main line B72323.

8 �� .i.m �� *m 7 � ,y.� i� /.�',0_ , '. " "� � � � � 65 ' m�_ ' m '_ � W _ � � 4 .zr� .�. 3 .� r.""%WfjlJw@ 2 ��. ·%Di.Wfj .�"."�� l• .%=. " . a b c d f h e

g

17.4Jel !N The white knight is headed for c2, from where it will support White's play on the queens ide. The following variation is very interesting: 17... cxd4 1 8.exd4 4Jc5 This is the critical response, but it is not enough to equalize. 1 9.9abl! 4Jxb3 20.d5 4Jcd4 21 .4Jc2 e5 22.4Jxd4 4Jxd4 23 ..ixd4 exd4 24.4Jxa6 ga8 25.4Jc5 Black has definite problems. B72) 9 ... cxd4 10.4Jxd4

12 ...�xb3 13.axb3 e6 1 3 . . . cxd4 runs into the unpleasant 1 4.ia3! when Black cannot defend his e7-pawn with the rook in view of the 4Jc7 fork. Instead he must setrie for 1 4 . . .if6 1 5.gfd l when White regains his pawn with an obvious advantage. 14.4Jc7 gb8 1 5.e3 a6 1 6.gfdl .if6 So far we have been following the game Gyorkos - De Gleria, Koszeg 1 997. At this point I found an interesting improvement:

We reach an important crossroads for the whole line. The main options are B72 1)

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Chapter 2 0 - Solid Variation

lO llJg4, B722) lO llJc6!? and B723) lO .'�·b6, the latter being the clear main line. A few other options deserve a brief mention: ...

...

..

10 ... ttJa6 l 1 .ttJc3 ttJc5 This plan is too slow, as was proven in the following encounter: 1 2.ttJb3 ttJfd7 1 3.'<Mfc2 :B:b8 1 4.:B:fd l b6 1 5.ttJb5!± and Black already faced serious problems, Muse Brkic, Rabac 2004.

1 2 ...i.f5!. The tactical justification was revealed after 1 3.e4 �xe4! 1 4.�xe4 �xb2 1 5.ttJxc5 �xa1 1 6.�xb7 Wc7 1 7.�xa8 '<Mfxc5 with equal chances, Goudriaan - Pruijssers, Hoogeveen 2006. 12 ...�d7 1 3 .ttJc3 ttJba6 1 4.:B:ab l White has definite pressure on the queenside.

B721) l O .. tLlg4 1 1 .e3 .

1 0 ... ttJbd7 This is too passive and hardly sufficient for reasonable play. I I . ttJd2! The most accurate move. White's knight is heading for b3. If 1 1 .ttJc3 ttJb6! 1 2.'<Mfd3 ttJfd7 Black gets good counterplay. 1 1 ...ttJc5 1 2.ttJ2b3 ttJfd7 1 3.�a3 1 3.'<Mfc2!? followed by :B:fd l is worthy of consideration. 1 3 ... ttJxb3 14.axb3 a6 This was N. Pert - Harikrishna, Edinburgh 2003. Now White could have obtained a clear advantage through simple means.

It is necessary for White to fortify the position of his knight.

1 1 ...llJa6 1 l .. .ttJe5 1 2.'<Mfc2 ttJa6 Here I recommend a natural move: 1 3.ttJd2N Instead of 1 3.:B:d 1 '<Mfb6 1 4.�a3 ttJc5 1 5.ttJd2 '<Mfa5 1 6.�xc5 '<Mfxc5 when Black obtained reasonable play, Iotov - Gochev, Borovets 2008. 1 3 ... ttJb4 1 3 ... ttJc5 1 4.ttJ2b3 ttJa4 1 5 .�a3 \Wc7 1 6.:B:ac l :B:e8 1 7.c5! brings White an advantage. 1 4 .'<Mfb 3 ttJ bd3 1 5 .�a3;j; Black's knights are unstable. 12.llJd2

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1 5 .'<Mfd2N :B:e8 1 6.:B:fd l Black's position i s difficult.

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1 0 . . . ttJfd7 1 1 .'<Mfc2 ttJc5 The natural improvement here is: 1 2.:B:d l !?N The inaccurate 1 2.ttJb3 allowed Black to develop his bishop with tempo with

l':\

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1 2 "LlcS ...

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360


Black has also tried: 1 2 . . . tLleS Now I propose exerting pressure on the queenside with: 1 3.:gb 1 !?N White failed to achieve any advantage after 1 3.\We2 ig4! 1 4.f3 id7 I S.tLl2b3 :gc8 in Tarrio - Strikovic, Benidorm 1 992. 1 3 ... :gb8 1 4.\Wa4 ttJd3 1 4 ...id7 I S.\Wa3t I S .ia3 id7 1 6.\Wc2 tLldcS 1 7.ttJ2b3 White stands better.

1 3.ttJZb3 It is obvious that Black's strategy has failed. His pieces lack coordination and his knight on g4 is misplaced. 1 3... ttJxb3 This appears to be the lesser evil. White has much better chances after 1 3 ... ttJa4 1 4.ia3 \Wc7 I S.:gc 1 a6 1 6.cS!± Hartoch - J. Horvath, Haarlem 1 995. 14.axb3 a6 15.\WeZ White enjoys a pleasant, risk-free advantage, Strikovic - Mozetic, Banja Vrucica 1 99 1 . B722) 1 O... llJc6!?

8 7 6 5 4 3 2 1

database where the same position arose through a different move order. Still it is interesting and poses White a real challenge.

1 1 .ttJxc6 bxc6 I propose the following solution: 12.ttJdlN Not the most exciting novelty, but White still retains some nagging pressure thanks to his active light-squared bishop. It is not a great deal, but the position is certainly easier to play as White. The main j ustification of Black's idea is seen after: 1 2.ixc6 This allows the second player to become very active. 1 2 ... :gb8 1 3 .ieS ih3! 1 4.\Wxd8 :gfxd8 I s.ixb8 Another line runs I S.ig2 ixg2 1 6.mxg2 :gbc8 1 7.ttJa3 :gd2 1 8.@f3. Here Black has several good options, my own preference being 1 8 ... :gcS 1 9.if4 :gfS! when he is at least not worse. I S ...ixfl 1 6.tLla3 ixe2 1 7.ixa7 tLlg4! Black had sufficient compensation for the pawn, Inarkiev - Sutovsky, Kallithea 2008.

12 ...\Wc7 The most natural reply. Other options seem to be worse: 1 2 ... :gb8 1 3.ieS :gb6 14.ttJb3 \Wxdl l S.:gfxd l The arising endgame is very unpleasant for Black. For example: I S ... tLlg4 1 6.ixg7 mxg7 1 7.cS :ga6 1 8.a4! with serious pressure due to Black's misplaced rook.

V//////. .. .//h'/// ..

..

•..

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Technically this seems to be a new move here, although I found one example on my

1 2 ...ifS?! does not offer Blackanycompensation for the pawn after 1 3.ixc6 :gc8 14.if3.

13.ic3!?

361

Chapter 20 - Solid Variation Quite a flexible move. White keeps all his options open, he can either continue with Wa4 or tLlb3, while tLlf3 might also be a possibility in some lines. Meanwhile it is always useful to clear the b-file. I failed to find anything special for White after 1 3.Wa4 id7 14.tLlb3 c5 1 5.Wa3 l%ac8.

13 ...l%b8 I also examined 1 3 . . .ie6 14.Wa4 l%ac8 1 5 .c5!?, which seems to me pretty promising for White, for example 1 5 ... tLld5 1 6.ixg7 i>xg7 1 7.tLlf3 followed by 1 8.tLld4.

B723) 1 O Wb6 •••

This is Black's principal choice, and in my opinion the most challenging continuation, at least when followed up correctly.

1 1 .Wb3 I l .Wc2 is considered to be harmless because of: 1 1 ... tLlc6 1 2. tLlxc6 ( l 2.c5 should be met with 1 2 ...Wa6 1 3.l%d 1 id7, followed by . . . l%ac8 with comfortable play) 1 2 ... bxc6 1 3.tLld2 if5! 1 4.Wb3 l%fd8 with equality, Malakhov Svidler, Krasnoyarsk 2003.

14.Wa4 cS lS.l%abl Black still has to solve some very concrete problems, and it is not so easy. Here is a possible example of how the game might continue: lS ....tfS 16.l%bS! tLld7 17..L:g7 i>xg7 18.tLlb3 l%fc8

1 1 . . .tLla6 is likely to transpose to B723 1 after 1 2.tLld2 tLlc5 1 3.Wa3.

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1 9J:'kl;!; White intends to increase his pressure with l%a5. It should be noted that Black cannot solve his problems with concrete play: 19 ... l%xbS 20.cxbS c4 21.liJd4 1iJb6 22.Wa3 The position has become more dangerous for Black.

B7231 ) 1 l ... liJbd7 This allows White to develop his pieces comfortably.

1 2.lbd2 lbcs 1 3.Wa3 id7 1 3 ... e5 This is positionally dubious as it obstructs Black's best minor piece, his dark-squared bishop.

362


1 4.ttJ4b3 ttJfd7 1 5.�c3 ttJxb3 This was played in P Nikolic - Markos, Berlin 2009. Here White could improve with simple moves:

1 5...�c7 16.ttJb5 ixb5 17.cxb5� Black has a solid position, nevertheless White's bishop pair secures him a slight but long-lasting edge. B7232) 1 l ... ttJfd7 The most critical continuation.

14Jhbl There is no reason to rush with 1 4.ttJ4b3, when 1 4".ttJxb3 1 5.axb3 �c6 gives Black a reasonable position. 14.. Jhc8

12.e3 The most accurate. Instead Black is absolutely fine after 1 2.l'!dl ttJc6 1 3.e3 ttJc5!. Here Black has tried: B72321) 12 ... ttJc5, B72322) 12 ...ttJa6 and B72323) 12 ... ttJc6.

B72321) 1 2 ... ttJc5 I only found a single game featuring this move, in which White missed the most challenging response.

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1 5.ic3!?N An improvement over 1 5.ttJ4b3 ttJxb3 1 6.axb3 l'!fd8 1 7.�c3 �c6= Malich - Seul, Germany 1 995.

13.�a3!N Far better than 1 3.�xb6 axb6 1 4.ttJc3 e6 1 5.l'!ab 1 ttJbd7 with equality, Carlier - Cvitan, Cap pelle la Grande 1 996. Black's activity fully compensates for his double pawns. 1 3 ... ttJ a4 This may have been the move that concerned White.

Chapter 20 - Solid Variation I also examined: 1 3 . . . 4Jc6 14.ic3! A nice prophylactic move; White not only defends against a possible ... 4Jb4 jump, but also removes his bishop from its exposed location. This could have become relevant after 14.4Jd2 4Je6! 1 5.E:ab l 4Jexd4 1 6.ixd4 Wlc7 1 7.ixg7 'it>xg7, reaching a position in which White's pressure is already not so strong. The main j ustification of the text move is seen after: 14 . . . 4Jxd4?! Black would be better off looking for some other way to relieve the pressure. 1 5.ixd4 ixd4 1 6.exd4 4Je6 1 7.c5! White keeps a nice advantage.

363

following line shows the potential pitfalls into which Black might easily stumble.

17.E:adl Wlxe4 1 8.E:fel e6?! 1 9.ttJe4 ttJe6 Now White can break the defence by utilizing the long diagonal. 2o.lLlf6t g7 2 1 .Wlb2! e5 22.E:xe5! The point. Black is completely busted. 22 ... Wlb4 23.Wlal ! ttJxe5 24.Wlxe5 White's attack should decide the game. B72322) 1 2... lLla6 This natural development appears a bit too slow. White will be able to arrange his pieces in an optimal way.

13.ttJc3 lLlae5 14.Wle2 e6 Otherwise 4Jd5 would be very strong. 1 5.E:abl a6 16.E:fdl Wle7

Black is quite alright after 1 4.Wlxa4 Wlxb2 1 5.4Ja3 ixd4 1 6.E:ab 1 Wlxa2 1 7.exd4 4Jc6. The text is much stronger.

8 7 6 5 4 3 2 1

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14 ... lLlxc3 1 5.lLlxc3 bd4 Black had better accept the invitation, otherwise White will easily develop his initiative at no material cost.

This position arose in Bloemhard - Muhren, Dieren 200 1 . It seems to me that White could have increased his initiative with natural play.

16.exd4 Wlxd4 White's initiative is obviously strong and fully compensates for the pawn deficit. The

17.i.a3!N E:e8 1 8.lLlb3! Black's position is hard to defend, for example:


364

18 ... !!b8 1 9.1tJxeS ltJxeS 20.ltJa4 if8 21.liJxcS !xeS 22JWa4 !!f8 23 ..heS �xeS 24.�b4± The difference between the power of the light-squared bishops should tell.

1 5.!!ad 1 'lWf6 1 5 ...'lWb6 does not change the assessment. After 1 6 ,tZld5 'lWdS 17.'lWa3! !!eS l s.ixg7 @xg7 1 9.c5± it is hard to deal with the threat of tZlb6.

B72323) 12 ... ltJe6

8

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2 ��_�' " %ri�ff . ,("'' Y-. � �_M . ""w,,�i/' ' ;�tZJ d f g h a

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13. ltJ c3!!N A very important novelty. White sacrifices a pawn in return for long-term pressure against Black's queenside. It is very difficult for Black to solve the problems connected with the passivity of his light-squared bishop. It should be mentioned that after 1 3.'lWxb6?! tZlxb6 it is Black who has slightly better chances.

13 ... ltJxd4 Another interesting line is 1 3 ... ltJa5 1 4.'lWc2. Now White keeps definite pressure after both 1 4 . . . tZle5 1 5 ,tZld5 'lWdS 1 6.c5 tZlac4 1 7.!!ab l t and 1 4 ... tZlxc4 1 5.tZld5 'lWxb2 1 6.tZlxe7t WhS 1 7.'lWxc4 tZlb6 l S.'lWc5;!;. 14.exd4 �xb3 It is also possible to take the d4-pawn with the queen: 1 4 ...'lWxd4 However, this is obviously riskier.

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1 6 .!!d2! A calm move that prepares a knight jump to d5. Black has serious concerns in the face of White's idea. For instance: 1 6 .. ,'lWg5 1 7.!!fd l ltJb6 17 . . . tZlc5 l S.'lWa3! is very annoying for Black. l S.ltJd5 tZlxd5 1 9Jhd5 e5 20.f4 White regains the pawn while maintaining the pressure. The position is highly unpleasant for Black.

l S.axb3 ixd4 16.!!fdl

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Chapter 20 - Solid Variation

1 6...ig7 One of the key points is that Black cannot defend his bishop with the natural-looking 1 6 ... e5? due to 1 nhd4! exd4 1 B.ctJd5±. Strangely, there is no satisfactory defence against White's threats. Another important option is: 1 6 ...�f6 17.l:h2! White needs to protect his bishop in order to make the most of the knight's agility. 1 7 .. .'�g7 1 B .ctJd5 �xb2 1 9J'hb2 ctJe5 If 19 ... e6, then 20.ctJe7! ctJf6 2 1 .Ei:a 1 and White will regain the pawn under favourable circumstances.

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17 ...e6 I B.llJe4 ixb2 1 9.Ei:xb2 ttJe5 Another line runs 1 9 .. .'�g7 20.ctJd6 ctJe5 2 1 .f4 ctJc6 22.b4 Ei:bB 23.b5 ctJe7 24.c5 and Black is in serious trouble. 20.Ei:a2 a6 20 ... a5 2 1 .ctJc5! (but not 2 1 .Ei:da l Ei:dB! with counterplay) 2 1 ...Ei:a7 22.Ei:d6 �g7 23.Ei:e2 ctJg4 24.Ei:b6 does not offer Black any relief either. 2 1 .Ei:e2 White's rook has nothing further to do on the a-file, so it is time to switch to the centre. 2 1 ...ctJc6 22.ctJc5 Ei:bB

20.Ei:a1 ! White can regain the pawn with 20.ctJxe7, but after 20 ...�g4 Black gets enough counterplay to equalize. 20 ... ctJc6 2 1 .b4 �d7 22.b5 ctJe5 23.ctJe3� White has strong pressure on the queens ide, which provides full compensation for his minimal material deficir.

17.Ei:a2 White plays in the same way as we saw after 1 6 ...�f6. In my opinion he has very interesting compensation for the pawn. Here is an approximate line that shows how difficult Black's defensive task might become.

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Here White has the option of 23.�xc6 bxc6 24.Ei:d6 Ei:b6 25.Ei:e3, with significant compensation. However, I do not think it is necessary to start cashing in on the positional advantages yet and thus recommend a less forcing move.

23.Ei:d6!?� White has powerful compensation. The only question is if Black can hold the position or nor. What is certain is that he is doomed to a long and hard defence in the endgame.

220

Benoni Systems

Conclusion: In general Black cannot rely on the sidelines in the Benko Gambit (or perhaps just for one game as a surprise weapon) as White has clear cut routes to an advantage in almost every case. The only exception might be 9 tUfd7, where further investigation is definitely required. ...

In the main lines of the Benko, I hope that I have managed to find some good ideas and at this point the situation looks promising for White in the 1 0.E!:b l line. I n my opinion the 1 3 . tUg4 variation is a critical test for White. According to my analysis the final evaluation is rather favourable for White; nevertheless it would be interesting to see a practical test. . .

King's Indian 6

...

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Variation Index l .d4 C£)f6 2.c4 g6 3.g3 .ig7 4 ..ig2 d6 5.C£)c3 0-0 6.C£)f3 .ig4 7.h3

after l S . . ..ixf6

nore ro lO . . . eS 8

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368

The King's Indian Defence

l .d4 �f6 2.c4 g6 3.g3 ig7 4.ig2 d6 5.�c3 0-0 6.�f3 Besides all the main moves, it is important to know how to face the following tricky line: 6...ig4 7.h3 As a general rule, the most challenging reaction to a bishop on g4 will be to play h3 to ptovoke the exchange on f3. After 7.0-0 I discovered (for me it was new!) an interesting and reliable line for Black in 7 .. .'IWc8!? One notable exception to the aforementioned rule occurs after 6 ... lOc6 7.0-0 ig4, when 8.h3 ixf3 9.ixf3 lOd7 seems quite reliable for Black, That is why in Chapter 22 I instead recommend 8.d5. Before we start exploring any vanatIons, will mention one important nuance. In the present variation, the fact that White has not yet castled can make it quite arrractive for him to advance his h-pawn in certain positions. For this reason, White should refrain from castling prematurely and instead look for other ways to strengthen his position.

9 ...�d7 1he most popular move. Black has also tried: 9 . . . e5 1 O.d5 lOe7 The drawback to this idea is that White is not obliged to waste time with if3-g2, as happens in the main line. 1 1 .e4 lOd7 1 2.h4! A typical idea in these positions. White's chances are much better, as was demonstrated in the following example: 1 2 ... h5 1 3.g4 hxg4 1 4.ixg4 f5 Sergeev - Likavsky, Bratislava 1 996. Now White should have kept his bishop on the h3-c8 diagonal: 1 5.ih3!N lOf6 1 6.ig5! Premature would be 1 G.exf5?! lOxf5! with decent play for Black. The text, on the other hand, maintains all the pluses of White's position. 1O.ig2 e5 Once Black tried : 1 0 ... a5 Sakaev - Mrva, Istanbul 2000. Once again White can try a familiar idea:

7 ...ixf3 8.ixf3 �c6 8 ... c6 9.0-0 lObd7 1 0.e4 transposes to the 6 . . . c6 variation (Chapter 27). 9.e3

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1 1 .h4!N h5 Preventing the further advance, but this approach brings other problems. If 1 1 .. .lObG 1 2.\We2 e6 White can retain the better chances with 1 3.!'i:b I ! intending to meet 1 3 ... d5 with 1 4.b3.

Chapter 2 1 - 6 ...�g4 1 2.0-0 e5 1 3.d5 ltJb4 1 4.e4 White stands better in this complex middlegame. In view of the kingside structure, Black will find it difficult to execute the typical . . . 0-f5 advance in a favourable way.

l 1 .d5 ltJe7 1 2.e4 f5 13.h4! Once again White does not rush to castle, and can instead aim to profit from the position of the king's rook. 13 ... ltJf6 1 4.�g5 This helps to increase the pressure on the kingside, while at the same time provoking the weakening . . . h7-h6 advance. 14... h6 In Shumiakina - Szczepkowska, Stockholm 2008, Black tried 14 . . . a6, at which poi nt I offer the following improvement: 1 5.h5!N ltJxh5 1 6.exf5 l'Ixf5 17.Wfd2 l'1f8 1 8.�h3 and White has powerful compensation for the pawn. IS.�xf6 �xf6 This position was reached in Portisch Sznapik, Amsterdam 1 984.

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The game continuation of 1 6.h5 �g5 1 7.hxg6 f4 was less convincing. The text is an improvement, which by the way was also mentioned by Stohl in his annotations .

16... hS I also examined 1 6 ... c5. In this case I believe White should open up the position by means of 1 7.dxc6! bxc6 1 8.h5 with better chances. What I especially like here is the flexibility of the white position. Depending on the circumstances, he still has the freedom to castle on either side. 17.0-0-0 I prefer this to 1 7.exf5 gxf5! (Worse is 1 7 .. .tLlxf5 1 8.0-0-0 when Black has a strategically difficult position, as White has full control over the key e4-square.) 1 8.Wfe2 e4 1 9.Wfxh5 c6 and Black has definite compensation, with strong play on the dark squares. 17 �g7 1 8.@bl I believe White has the much more promising position. He can increase the pressure on Black's pawn structure by �h3, followed by exf5 at a suitable moment, and can also prepare f3 and g4 opening up the kingside. Meanwhile it is not at all easy for Black to obtain any significant activity on the opposite flank. .•.

Conclusion:

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Black can hardly hope to equalize by exchanging his bishop for the enemy knight in the early stages. The fact that White has not yet castled improves his chances even more, and we have seen repeatedly how troublesome a well timed h4-h5 can be for the defender.

King's Indian 6 ... CtJc6 & 7.

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Variation Index l.d4 tLlf6 2.c4 g6 3.g3 i.g7 4.i.g2 d6 S.tLlc3 0-0 6.tLlf3 tLlc6 7.0-0 i.g4 S.dS tLlaS 9.tLld2 cS A) 10 ...�d7 B) 10 ... eS C) 10 ... a6 1 1 .h3 i.d7 12.b3 bS 1 3.i.b2 gbS 1 4.gabl Cl) 14... bxc4 C2) 14...�c7 C3) 14... eS

note to S . . . tUa5

372 373 375 375 376 377

A) after 1 4 ... fxe6

B) after 1 6 ... f5

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Chapter 22 - 6 . . . tt'lc6 & 7 . . .!g4

l.d4 ltJf6 2.c4 g6 3.g3 !g7 4.!g2 d6 5.tt'lc3 0-0 6.ltJf3 ltJc6 7.0-0 !g4 I had never considered this move seriously, but in fact it is Black's fourth most popular option and there are 9S9 games with it in Mega Database 2009! S.dS I believe this is the most challenging choice. Before writing the book, I was pretty sure White had a simple route to an advantage with S.h3 !xf3 9.!xf3 ttJd7 1 0.e3, but after studying the position more closely I concluded that after 1 0 . . . e5 l l .d5 ttJe7 1 2.e4 f5 White's bishop pair is not so significant, as the position is closed and it is not easy to activate his light squared bishop. S . . ltJaS This is clearly Black's main choice, but there is also S ...!xf3 when 9.exf3! leads to a favourable position for White. His bishop pair is the most significant detail, and Black's e7-pawn is a permanent target for White's heavy pieces. (In contrast, 9.!xf3 would be a serious error, as after 9 ... ttJe5 both White's light-squared bishop and the c4-pawn are vulnerable.) After 9.exf3! we should consider the following options:

37 1

Black can play either 1 0 ... b6, which looks very suspicious as it weakens the light the squares, or he can defend with the queen: 1 0 . . .'1M!cS I l . f4 ttJa6 If Black returns to the . . . c7-c6 plan then White is ready: 1 1 ...c6 1 2.E:e l E:eS 1 3 .!e3 cxd5 1 4.cxd5 ttJa6 1 5.E:ac l The black queen is misplaced on cS. 1 5 . . .'IM!d7 1 6.ttJb5± 1 2.!e3 b6 12 ... ttJg4 obviously runs into 1 3 .!h3! and again Black is hurt by his queen's location. 1 3.a3 ttJc5 14.'IM!c2 a5

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a) 9 ... ttJe5 1 O.'IM!e2 E:eS 1 l .f4 ttJed7 1 2.!e3 This is a dream position, as Black has no activity while White can slowly improve his position all over the board. 1 2 ... a5 1 3.ttJb5 E:bS 1 4.E:ad l ttJb6 1 5.b3 ttJfd7 1 6.h4 White was already much better and after the inaccurate 1 6 . . . h5? 1 7.f5 he had a decisive attack in Andersson Lucena, Brasilia 1 9S 1 . b) 9 . . . ttJbS Here I recommend: 10.'IM!b3!? The main point is to disrupt Black's intended plan of 1 0 ... c6 followed by ... cxd5. Now

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In Izeta Txabarri - Fernandez Ramos, Leon 1 995, it was obvious White is clearly better, especially after Black's ... b 7-b6 and now I suggest a simple move: 1 5.b4N ttJa6 1 6.E:ab l White has a huge positional advantage. c) 9 ... ttJa5 1 0.'IM!d3 Also good is 1 0.'IM!e2. 1 0 . . . c5 1 0 ... ttJd7 1 l .b3 does not change much. 1 l .!d2 a6 1 2.b3 'lM!c7 More natural-looking is 12 . . . E:bS, but after 1 3.E:ac l b5 1 4.ttJdl White is in control. 1 3.f4 E:fbS 1 4.E:ac 1 b5 1 5.ttJd l ! This is White's main positional idea i n this line. 1 5 ... bxc4 1 6.bxc4 White is clearly bener, as Black can hardly create counterplay on the queenside because

The King's I ndian Defence

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he is tied to defending his knight on as, while White can slowly build his play on the kingside and in the centre, Krogius - Kraidman, Bad Liebenzell 1 996.

lO.�c2

9.ltJdl c5 The other c-pavyn move is not really playable after the following forcing line: 9 . . . c6

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1 0.b4 lUxdS l l .cxdS �xc3 1 2.�b l �xd2 1 3.�xd2 1tJc4 1 4 .�h6 In view of the threat of I S.Wfd4 Black has to give up an exchange, and he fails to obtain adequate compensation. 1 4 . . .Wfb6 The text is Black's best chance. Instead I faced 14 . . . ltJeS I S.�xfS WfxfS 111 the game Avrukh - Ezat, Dresden (01) 200S. Now I went wrong with 1 6.h3, when instead I had at least two strong options. Firstly, there was 1 6.dxc6!N when 1 6 . . . bxc6 1 7.�c 1 leads to a clear edge. Secondly, I could even have taken the second exchange with 1 6.f4 ltJc4 1 7.Wfd3 cxdS I S.�xdS bS 1 9.�xaS WfxaS. During the game I was worried about this position, but White is much better after the correct 20.e4 Wfc6 2 l .Wfd4!±. l S .�xfS �xfS I 6.a4 1 6.�c 1 lUeS 1 7.Wfd2 looks even stronger. 1 6 . . .�d7 1 7.Wfd3 lUeS I S.aS! Wfc7 1 9.Wfc3 White was clearly better in Blagojevic Mujic, Tuzla 1 990.

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This move seems more flexible than 1 0.h3, which is also popular. I chose to recommend the 1 0 .Wfc2 line after comparing it with the main line of the Yugoslav variation, l .d4 ltJf6 2.c4 g6 3 .g3 �g7 4.�g2 d6 S.ltJc3 0-0 6.ltJf3 ltJc6 7.0-0 a6 S.dS ltJaS 9.lUd2 cS 1 0.Wfc2. The difference looks rather symbolic at nrst: we have a black bishop on g4, while in the other line Black has played . . . a7-a6. In fact, Black's position in the Yugoslav variation is slightly dubious from a positional point of view, but Black manages to get his play going move by move with 1 0 ... �bS l l .b3 bS 1 2.�b2 bxc4 1 3.bxc4 �h6, and so on. In our position Black needs to spend one more tempo to create his typical queenside play, and this tempo turns out to be vital as Black fails to create the same level of activity as in the main line of the Yugoslav variation. Black has three main moves to consider: A) lO ...�d7, B) 1 0...e5 and C) l O ... a6.

A) 10 ...�d7 1 1.b3 i.h3 12.i.b2 i.xg2 13.\t>xg2 e5 In our lines we generally avoid very closed positions, so:

14.dxe6 fxe6

Chapter 22 - 6 . . . tDc6 & 7 . . .�g4 The other recapture is also possible: 1 4 ...Wxe6 Now White keeps control over the key d5square with the help of a tactical trick: 1 5 .ttJd5! �ad8 Obviously Black cannot touch the white knight: 1 5 ... lOxd5 1 6.cxd5 Wxd5t (no better is 1 6 . . .Wxe2 1 7.�xg7 �xg7 1 8.Wc3t followed by 1 9.Wxa5) 1 7.e4 Black is helpless against the coming 1 8.�xg7, 1 9 .Wc3t and Wxa5. 1 6.e3 1Oc6 1 7.�xf6 �xf6 1 8.�ad a White retains a pleasant edge, thanks to his grip on d5.

8 � � m )�.B �� ....y.�m'�i� 7 �, %�� i_"ifm 6 . . . . � �_ l_',�� 5 �� 4 . . ;�%''2Nr� � � / . � V�p 3_ � � � "% N/ / . " ��' � �p: I ""%%i'�� " � 2 ��' V� � V ��V �� .. "�� """.i."" a b c d f g h

373

The idea is to drive away the black queen from c6 with b4-b5, when White will also be restricting the black knight, as its only remaining retreat square will be f5.

2 1 ...�dS 22.bS We? 23.1t1gS �f6 Instead 23 ... �f5 is j ust a waste of time after 24.f4, when the black rook is on a square that the d4-knight needs. 24.e3 1Of5 2S.f4 dS 26.g4 109? This position has been reached by a more or less forced sequence. Now I found a very strong idea:

'I1i�. "." .� .

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..

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lS.lOee4!N This move is more challenging than 1 5 .�ad 1 , as was played i n Bilek - Taimanov, Kapfenberg 1 970, when Black equalized (and drew) after 1 5 ... lOc6 1 6.1Of3 �ad8 1 7.lOe4 1Ob4 1 8.lOxf6t ixf6 1 9.Wd2 Wg7 20.ixf6 Wxf6 2 1 .a3 1Oc6 22.We3 Wf5. lS ...lOe6 1 6.1t1xf6t �xf6 1? � �xf6 lS.lOe4 Now the big question is whether White can build up pressure against Black's central pawns. In my opinion White has good chances of success. For example: lS... �f7 19.�adl lOd4 20.Wd3 We6 21 .b4!

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2? e4! �xf4 The main point is that after 27 . . . h6 28.e5 �ff8 29.lOxe6! lOxe6 30.Wxg6t lOg7 3 1 .cxd5 White has a winning position. 2S.Wg3 eS 28 . . . �df8 does not help Black after 29.�xf4 Wxf4 30.Wxf4 �xf4 3 L�g3 and next White will regain the pawn and keep a clear advantage. 29.Wh4 hS 30.:!'%xf4 exf4 31 .gxhS gxhS 32.exdS White is clearly better. B) 1 0 ... eS


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8 �*,�lil� .';*, 7 .�£RWo.�R%l1-.l£ 6 _ t� � , � 5 �WAli tj�Ii"' ''' . . ;��''''%��. "%�' ;_ WA�� J;� 3 � ;��; � r� �· O �w rrt�%W �· % �W tf{ �� 2 0�t····%� ?'O O %\iii) ,§ ?'� � ?'� d:t"··".o/iit %�·· 1 /� � . g � a b c d f h 4

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1 1 .b3 �d7 Several times Black has opted for: l L.a6 Here I developed the following line for White: 1 2.�b2 b5 13.l"Iae l In general, White's plan includes e2-e4, ct'ld l -e3 and eventually f2-f4, starting to play in the centre. 1 3 ... l"IbS A possible alternative for Black is: 13 . . .�d7 1 4.e4 ct'lg4 1 5.f3 (It is worth briefly considering the following game: 1 5.ct'ld 1 f5 1 6.exf5 �xf5 1 7.�e4 �d7 l S.�g2 ct'lb7 1 9.h3 ct'lf6 20.ct'le3 Vflc7 2 1 .f4 exf4 22.l"Ixf4 l"IaeS 23.Vfld3 VfldS 24.l"Iffl b4 25.�a l �cS 26. c;t>f2 V2-V2 Arsovic - Todorovic, Belgrade 200S. White's move order allowed the black knight to retreat from g4 to a sensible square on f6.) 1 5 ... ct'lh6 The knight must go to h6 to keep the possibiliry of . . . f7 -f5 . This is Tregubov - Gavrilov, St Petersburg 1 994, and now White should have started the previously mentioned plan with 1 6.ct'ld l N and if 1 6. . .f5 1 7.f4 then White is much better prepared for a central confrontation, due to Black's poorly placed knight. 1 4.ct'ldl Vflcs This is Stippekohl - Volkmer, Germany 1 993, and now White could have initiated favourable complication with:

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1 5.f4!N exf4 White is positionally better after 1 5" .l"IeS 1 6.fxe5 dxe5 1 7.ct'lf2 ct'lb7 l S.tt'ld3. 1 6.l"Ixf4 Or 1 6.gxf4 also leads to a promising position, but the text is stronger. 1 6. "ct'lh5 17.�xg7 ct'lxg7 Black cannot recapture with his king due to l s.Vflc3t followed by Vflxa5. l S.ct'le4 f5 Black's position is very difficult after I S. "ct'leS 1 9.Vfld2 tt'lb7 20.l"Iefl ±. 1 9.ct'lxd6 '!Wd7 20.Vfld2 b4 If 20 ...Vflxd6 then 2 1 .Vflxa5 and Black has no compensation for the pawn after, say, 2 L .tt'lh5 22.Elf2. 2 1 .l"Ixg4! fxg4 22.tt'le4 tt'lb7 23.ct'ldf2± White has fantastic compensation for the exchange.

1 2.�b2 ih3 This plan is quite logical; first Black trades light-squared bishops and then he intends to start his play on the kingside. Here I discovered a surprising idea: 13. tt'lce4!? After the natural 1 3.e4 Black obtains a rather solid position: 1 3 . . . �xg2 1 4.c;t>xg2 ct'lh5 1 5.ct'le2 b6 1 6.l"Iae l �h6 1 7.Vflc3 f6 l S.c;t>h l l"IaeS 19.f4 Vflg4 20.Vflf3 Vflxf3t 2 1 .ct'lxf3 a6 White had nothing special in Velikov Velimirovic, Dubai (01) 1 9S6.

Chapter 22 - 6 ... tt:lc6 & 7 . . .ig4

1 3 ...ixg2 Black has a couple of alternatives we should look at in passing: 1 3 ...if5 1 4.tt:lxf6t ixf6 1 5.e4 ih3 1 6.f4 is clearly better for White. 1 3 ... tt:lxe4 14.ixh3! The main point of White's idea. 1 4 .. :�xh3 1 5.tt:lxe4 White wins an important tempo by attacking the d6-pawn. 1 5 ...\Wd7 1 6.f4 White seizes the initiative, using the fact that Black cannot play 1 6 ... f5 in view of lLlg5-e6.

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C) 1 O ... a6 This is Black's main plan; obviously he is trying to play on the queenside.

1 1 .h3 id7 12.b3 b5 13.ib2 l;b8 Another option is 1 3 ... bxc4 1 4.bxc4 gb8 1 5.gab l ! which will be examined in line C l . 14.l;ab1

14.lLlxf6t ixf6 1 5.�xg2 ig7 16.f4 f5 This position was reached in the game S. Webb - Nicholson, Britain (ch) 1 975. It is very important for the evaluation of White's idea. I found an interesting novelty:

Less important is 14 ... h5, as in Feller - Sebenik, Szeged 2007, and now I like 1 5.e4!?N, as after 1 5 ...\Wc8 1 6.mh2 h4 White can simply grab the pawn with 1 7.gxh4.

C1) 14 ... bxc4 1 5.bxc4 e5

19.exf5 gxf5 20.ttJf3 White immediately attacks the e5-pawn. 20 ..J:�ae8 2 1 .l;ael e4 22.tt:lg5 White is clearly better, as his knight will be strong on e6.

Black has also tried: 1 5 ...ih6 This is a thematic idea in the main line of the Yugoslav variation, but here it falls short. 1 6.f4 e5 There is also 16 . . . lLlh5 1 7.h2 e5 1 8.dxe6! fxe6 1 9.1Llce4 \We7 as in Velikov - Lenz, Graz 1 987, and here White has the simple 20.\Wd3 tt:lb7 2 1 .ic3 ic6 22.l;b6 with a near decisive advantage.

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1 7.dxe6 ixe6 I B.tUd5 White plays by analogy with the main line of the Yugoslav variation; the big difference is that Black does not have the chance to play 1 8" .l:hb2. 1 8" .ixd5 1 9.cxd5 ig7 This is N. Davies F. Rayner, Wrexham 1 994, and now I suggest a new move:

C2) 14 ...WI'c7

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lS.e4 e6 Black has also tried several other moves here: a

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20.ic3N White has a clear advantage, as Black has problems coordinating his pieces.

1 5" .E!:b7 In Wojtkiewicz - Docx, Antwerp 1 994, Black's idea was to double rooks on the b-file. White should continue with:

16.dxe6 fxe6 After 1 6" .ixe6 the play might continue: 1 7.tUd5 E!:xb2 1 8.E!:xb2 tUxc4 1 9.tUxf6t Wl'xf6 20.tUxc4 ixc4 2 1 .E!:b6 Black failed to find sufficient compensation for the exchange tn I. Almasi - Zsinka, Hungary 2004. 17.tUce4 E!:xb2 Another important line goes 1 7" .tUxe4 I B.tUxe4 ixb2 1 9.E!:xb2 E!:xb2 20.WI'xb2 tUxc4 2 1 .WI'c3! d5 22.tUxc5 and White is clearly better. 1 8.E!:xb2 tLlxe4 1 9.ttJxe4 tLlxc4 1 9" .ixb2 20.WI'xb2 would lead to the 1 7" .tLlxe4 line mentioned above. 20.E!:b3 tLlaS 21 .E!:d3 This is clearly better for White.

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1 6.tUe2N E!:fb8 1 7.ic3! This is the best arrangement of White's minor pieces in most cases. It is important for White to keep an eye on Black's knight, as this is a key idea in restricting Black's activity on the queenside. 1 7".bxc4 1 8.bxc4 E!:xb l 1 9 .E!:xb l E!:xb l t 20.'
Chapter 22 - 6 ... lLlc6 & 7 ...ig4 1 5 ... bxc4 1 6.bxc4 E!:b6 was tried In Schwartzman - Gretarsson, USA 1 990, and we already know White should meet this plan with 1 7.lt'le2 E!:fb8 1 8.ic3;!;. 1 5 . . . e5 1 6.lt'le2 1 6.dxe6 fxe6! is very unclear. 1 6 ... lt'lh5 1 7.f4 bxc4 1 8.bxc4 ih6 I also examined an interesting temporary exchange sacrifice: 1 8 . . . E!:xb2 1 9.E!:xb2 exf4 20.gxf4 ixb2 2 1 .iWxb2 E!:e8 White cannot stop ... 0-f5, but he has a good strategic idea at his disposal: 22.@h2 f5 23.lt'lg3! Black's kingside becomes vulnerable after the exchange of a pair of knights. 23 ... lt'lxg3 24.@xg3 White is better, and now his main positional idea is to penetrate along the b-file with E!:b l and iWb6. 1 9.�c3 E!:xb 1 20.iWxb l f6 2 1 .iWb2 Threatening iWa3. 2 l ...lt'lb7 22.@h2! A nice positional move; the king protects the h3- and g3-pawns and thus creates the additional idea of �f3 attacking Black's knight. The game we are following is Krogius - Ozsvath, Budapest 1 965. 22 ... exf4?! Obviously Black should not release the tension, but White would still be better after any of Black's range of neutral moves. 23.lt'lxf4 It'lxf4 24.gxf4 �g7 25.f5 White has a clear positional advantage.

16.lt'ldl! The knight is heading for e3, where it will be perfectly placed if Black plays ... exd5. 16..J�fc8 In two other games Black immediately released the tension in the centre, but in both cases he failed to equalize: 1 6 ... bxc4 1 7.bxc4 exd5 1 8.cxd5 E!:fe8 1 9.1t'le3 E!:b4 20.ic3 �a4 2 1 .iWc 1 l:'i:xb l 22.iWxb 1 Now the games diverged:

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22 . . . lt'ld7 23.iWa l ixc3 24.iWxc3 f6 25.E!:b 1 @g7 26.�fl ± Black failed to create any counterplay and his minor pieces are clearly misplaced on a4 and a5. White was much better in Stangl - Gretarsson, Reykjavik 1 993. Black has also tried 22 . . .�b5 23.l:'i:c 1 It'lh5, but White created a dangerous attack after 24.�xg7 It'lxg7 25.lt'lg4! It'lh5 26.iWb2!± In WI. Schmidt - Troianescu, Poland 1 97 1 .

17.ttJe3 exd5 This is Tkachiev - Krstic, Croatia 2002, and now I believe it is always desirable for White to recapture with the c-pawn. Ptobably White overlooked that after:

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1 8.cxd5!N c4 He has a strong answer:

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19.B:fc1! This would secure White's advantage. C3) 14 ...e5 1 5.dxe6 �xe6 The obvioLls alternative is 1 5 ... fxe6. Now the critical line runs 1 6.lt'lce4 It'lxe4 1 7.lt'lxe4 �xb2 1 8.l:'i:xb2 �c6 1 9.1:'i:bb1 iWe7 as in Unzicker - Kavalek, Lugano (01) 1 970. Now in my opinion White could retain the better chances with 20.l:'i:fd l , as Black is far from

378


solving the problem of his misplaced knight on a5. For example, 20 ...ixe4 2 1 .�xe4 %%b6 22.�d3 %%dS 23.cxb5 %%xb5 (or 23 ... axb5 24.b4!) 24.%%bc l d5 25.e4 d4 26.e5 with an advantage.

Now I have an improvement over Marin - Florean, Romania (ch) 1 996, where White opted for 2 1 .4Jc3:

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2 1.b4!N c4 White should not be afraid of 2 1 .. .if5 as 22.bxc5 ixe4 23.ixe4 4Jxc5 24.ic6! wins a pawn.

16... axb5 17.%%fdl The main idea is to prepare 4Jde4 under favourable circumstances. White has also tried 1 7.%%bd 1 , but I think the text is more natural. 17 ...WI'e7 The main point is that Black is unable to play 1 7 ... d5, as after 1 S.4Jde4 his centre collapses. lS.llJde4 ttJxe4 1 9.ttJxe4 ttJb7 20.i.xg7 @xg7

22.ttJc3 White has a clear positional advantage, as Black has still not solved the problem of his bad knight. Conclusion: The 6 ... 4Jc6 7.0-0 ig4 vanatlon is more popular than I had at first realized, bur White can keep a pleasant edge by following the lines I recommend. One point to note is how often (particularly after d5xe6 ... f7xe6) the key move for White is 4Jce4.

King's Indian 6 ... �c6 & 7...if5 Variation Index l .d4 tiJf6 2.c4 g6 3.g3 J.g7 4.J.g2 d6 S.tiJc3 0-0 6.tiJf3 tiJc6 7.0-0 J.f5 8.dS tiJaS 9.tiJd2 A) 9,..c6 B) 9,..cS

380 381

A) note to lO . .liJxd5

A) after 1 4 ... Wlxa5

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l 'i .!!e l !N

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B) after 1 5 h5 ...

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l.d4 liJf6 2.c4 g6 3.g3 ig7 4.ig2 d6 S.lLlc3 0-0 6.lLlf3 lLlc6 7.0-0 ifS I was surprised to discover that this move had been played for the first time by Boris Spassky back in 1 955. Nowadays it is a rare guest in high level tournaments, although I have to mention that it has been played regularly by Ilya Smirin, a leading King's Indian expert. 8.dS This is by far White's most popular reply and undoubtedly the most critical one. 8 ... lLla5 It looks senseless to retreat passively with the knight. 8 ... ltJb8?! 9.ltJd4 �d7 1 0.h3 c5 1 1 .ltJc2 We have reached a version of the Benoni that is clearly favourable for White. 1 l . ..ltJa6 1 2.e4 ltJc7 1 3.a4 e5 Black has a very passive position, and his last move, an attempt to gain some space in the centre, fails to bring any relief. 1 4.dxe6! �xe6 1 5.�d3 ltJfe8 1 6.�e3 �c8 1 7.Wh2 �d7 1 8 .�ad l ± White had a clear positional advantage i n Xu Jun - Mencinger, Portoroz 1 987. 9.lLld2 The other main option is 9.ltJd4 �d7 intending 1 0 . . . c5 after White defends the c4pawn. It is a reasonable line for White, but I prefer the text.

Now Black must make an important choice between A) 9 ... c6 and B) 9 c5. •..

A) 9 ...c6 With this move Black invites complications, and White should accept the challenge.

lO.b4! This principled move has not been so popular, but it is definitely the right way to fight for the advantage. Black has scored well against less ambitious moves such as 1 0.e4. 1 O ... liJxd5 This has been played in most of the games, but we should also consider: 1 0 ... ltJxc4 1 1 .ltJxc4 Obviously the most ambitious reaction. Black gets a normal position after 1 1 .dxc6 ltJxd2 1 2.cxb7 �b8 1 3.�xd2 d5 14.�b3 �xb7, Danielian - Fierro Baquero, Istanbul 2009. 1 l ...ltJxd5 1 2.ltJxd5 �xa 1 Black has insufficient compensation after 1 2 . . . cxd5 1 3.ltJb2 e6 1 4.a4! �c8 1 5.�a3 with ltJd3 to follow. 1 3.�h6 �g7 14.�xg7 Wxg7 1 5.ltJde3 �e6 After a more or less forced sequence, we arrive at a rather unbalanced position. From a materialistic point of view Black is absolutely fine, but I believe that in this concrete situation White's two minor pieces are stronger than Black's rook and two pawns, as the rooks will have a hard time becoming active any time soon. Another important detail is the absence of d�rk-squared bishops, which makes Black's kingside slightly more vulnerable. 1 6.a4 �xc4 17.ltJxc4 d5 This position occurred in P.H. Nielsen Nataf, Reykjavik (blitz) 2004. Now White should have played actively with:

Chapter 23 - 6 ... 4Jc6 & 7 . . .if5

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The text move was originally a novelty of mine, although it was played early in 20 1 0, shortly before publication.

1 4 .. .'IWxaS

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l S.ltJa5N Wic7 Black certainly cannot play l S ... :gbS? in view of 1 9 .Wd4t followed by 20.Wixa7. White is also better after l S ...W'b6 1 9.W'd2 e5 20.ltJb3. 1 9.W'd2 :gfdS 20.:gc1 e6 2 1 .W'c3t WgS It is too dangerous for Black to try: 2 1 ...e5?! 22.b5 c5 23.f4! c;t>gS 24.fxe5 c4 25.ltJb3!± 22.ltJb3 :gacS 23.ltJc5 Black is very passive, while White can prepare the e2-e4 advance under favourable circumstances.

1 1 .cx:dS ixc3 12.e4 hal Also 1 2 ...id7 does not bring Black satisfaction: 1 3.:gb 1 ixd2 14.ixd2 ltJc4 1 5 ..ih6 b5 1 6.W'd4 f6 17 ..ixfS c;t>xfS l S.a4!± Krogius - Shagalovich, Soviet Union 1 967. 13.exfS ig7 The alternative 1 3 ... cxd5?! is hardly playable for Black. The game U. Nielsen - Hvenekilde, Denmark 1 993, continued 1 4.bxa5 e6 1 5.fxe6 fxe6 1 6.ltJb3 .ig7 1 7.ltJd4 .ixd4 l S.Wixd4. With simple and natural moves White got a winning position. 14.bxaS This straightforward capture is much stronger than 1 4.:ge l ?! cxd5 1 5 .bxa5 gxf5 1 6 ..ixd5 Wixa5 1 7.ltJc4 Wic7 with an unclear and double-edged game, Ivanchuk - Smirin, Odessa 2007.

8 7 6 5 4 3 2 1

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l S.:gel!N In Nakauchi - Ly, Sydney 20 1 0 , White tried the enterprising but ultimately incorrect 1 5.fxg6 hxg6 16.Wib3?! cxd5 17 ..ixd5 e6 l S ..ixe6?! fxe6 1 9.Wixe6t and although he eventually won, his position at this stage is far from convincing. After the simple rook development White's position seems very promising, as shown by the following illustrative line: lS ...�c7 16.ltJf3 :gac8 17.fxgG hxgG 1 8.dxc6 bxc6 1 9.�a4! White has serious attacking prospects, the principal threat being Wih4 and ltJg5. B) 9 ... cS 1O.e4 As a general rule, I regard most of the positions with a black knight on a5 as slightly dubious for the second player, with the exception of the main line of the Yugoslav variation. Nevertheless Black still keeps plenty of tactical chances, as is customary for this opening, so we must always remain on guard.

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lO id? Another option is: 1 0 ...ig4 l 1 .'I&c2

the extra move e2-e4 for White, which is obviously favourable for him. 1 3 ...�bS 1 4.�ab 1 White begins a standard regrouping. 14 . . .id7 1 5.lLldl bxc4 1 6.bxc4 �b4 1 7.ic3 ia4 I S.We I Wb6?! Black tries to get some activiry on the queenside even at the cost of an exchange, bur it is hardly sufficient. 1 9.ixb4 cxb4 20.lLlb2 id7 2 1 .lLld3± White was much better in Neckar - Lorenz, Leipzig 1 97 1 .

...

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Now Black has a choice:

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a) 1 1 ...Wc8 1 2.b3 ih3 This is not a dangerous idea, and it allows White additional time to mobilize his forces. 1 3.ib2 ixg2 1 4.c;t>xg2 b6 This position has occurred a few times in practice and I do not see anything wrong with the natural: 1 5. f4N The following line looks very convincing to me: 1 5 ... e5 1 6J'!ae 1 exf4 1 7.lLle2 lLlg4 l s.lLlxf4 ixb2 1 9.Wxb2 lLle5 20.lLlf3 With better chances for White. fu usual, Black's misplaced knight on the edge of the board is the prevailing factor. b) 1 l .. .Wd7 1 2.b3 h5 1 3.ib2 a6?! Of course it is hardly a good idea to combine Black's previous two moves, but still it is useful to observe White's play. 14.f4 h4 1 5.e5 if5 1 6.lLlce4 lLlxe4 1 7.lLlxe4 hxg3 I S.hxg3 'l&c7 This position was reached in P H . Nielsen Kaabi, Cappelle la Grande 200 1 , and now White could have won a pawn with a simple tactic: 1 9.exd6N exd6 20.ixg7 c;t>xg7 (Black is certainly not helped by 20 . . .ixe4 2 1 .Wc3) 2 1 .Wc3t f6 22.lLlxd6! Wxd6 23.Wxa5 with a winning position. c) 1 1 .. .a6 1 2.b3 b5 1 3.ib2 actually reaches a position from the 7 . . .ig4 variation with

1 1 .Wc2 a6 Black can also choose a closed rype of position, but this also brings him little relief. 1 1 . . .e5 1 2.b3 lLlg4 1 3.ib2 f5 1 4.exf5 gxf5 1 5.lLle2 Now I think Black should play 1 5 ... lLlf6 Actually this position might arise after 1 2 ... lLlh5 as well. 1 6J::!ae 1 White is much better mobilized for a central confrontation. 1 6 ... a6 This position occurred, via a different order of moves, in the game Osnos - Vasiukov, Kiev 1 964. Now I found a strong improvement.

Chapter 23 - 6 . . . lLlc6 & 7 . . . �f5 I also examined the modest 17 ... h6 1 B.lLlh4 lLlh7 at which point I like the following solution: 1 9.f4! e4 20.�xg7 xg7 2 1 .lLlc3! Now White has a natural positional plan of 4Jd 1 -e3 followed by �h3 and perhaps g4, or even a sacrifice on f5 depending on circumstances. White is clearly better. 1 B.lLlg5 bxc4 1 9.bxc4 iWcB Also important is: 1 9 ... l!bB 20.lLle6 �xe6 2 1 .dxe6 iWe7 22.�d5 4Jxd5 23.cxd5 W'b7 24.�c3 lLlc4 25.iWd3 4Jb2 (25 . . . 4Jb6 runs into the strong 26.l!b l ! when 26 . . . Wxd5? is impossible due to 27.W'xa6 and Black loses his knight.) 26.�xb2 e4 27.iWc4 �xb2 2B.l!b l iWb5 29.iWc2 White is clearly better. 20.f4 e4 2 1 .g4! Fully exploiting the fact that Black cannot play 2 1 ...4Jxg4, when White has 22.�xg7 �xg7 23.iWc3t followed by 24.W'xa5. 2 l ...l!bB 22.gxf5 l!b4 23.�c3 l!xc4 24.W'd2 White is much better.

14 . . . h5 1 5 .4Je2 e5 (After 1 5 . . . h4 White can simply grab the pawn with 1 6. gxh4 as was shown convincingly in the following encounter:

383

1 6 ... bxc4 1 7.bxc4 l!xb2 1 B.l!xb2 lLlh5 1 9.l!bb l e6 20.4Jf3± Matveeva - Kachiani Gersinska, Bled 2002.) 1 6.dxe6 �xe6 1 7.lLlf4 �d7 Lemos - Orsini, La Plata 200B. Now I found a strong regrouping:

14 ... bxc4 1 5.bxc4 W'c7 The alternative is 1 5 ... �h6, but here White gets an advantage by simple means. 1 6.f4 e5 was PH. Nielsen - Pedersen, Denmark 200 1 . Now I believe White should have played the simple 1 7.dxe6N fxe6 ( l 7 ... �xe6 I B.lLld5!±) 1 B.iWd3 �c6 1 9.1Llf3 and White's pieces are much better placed, for instance: 1 9 . . . l!b4 20.�h3 l!eB 2 1 .e5 lLlh5 22.a3 l!xc4 23.exd6± 1 6.4Jd 1 Also worthy of consideration is the thematic 1 6.4Je2 e5 1 7.�c3. 1 6 ... e5 1 7.lLle3 �h6 I B.�c3! Underlining the poor position of Black's knight. 1 8 ... l!xb l 1 9.1!xb 1 �xe3 20.fxe3 4Jg4 2 1 .l!e l lLlb7 22.h3 lLlf6 23.l!b l ! Correctly switching to the queenside. 23 . . . lLlh5 24.h2 �cB 25.lLlf3 W'e7 26.l!b6 a5 27.iWd J White obviously has the initiative, Aronian - Blehm, Yerevan 1 999.

3.S4

The K ing's I ndian Defence

l S.ltJe2 This is perhaps rhe critical position of the whole line. Black has several possibilities.

8 �:i � ��*m 7 �� ·iY.mY-�t · · �· Y. � _ 0� ��' 6 i _ W� �%'�'''d'''''i_ 5 � :.ti%.· , · :. � . 4 ":��ti7.��ti7.�. � �.� . �!0 �%'''/. ��d' }��r� 3 ��' 2 8 �"iVmtZJw�.,tw · ·· � .·a ib B· · · ·.i=·· · c d f g h 0

1 5 ... lDg4 This is another natural try. Black intends to carry out ... 0-f5 immediately, while the knight can always drop back to h6 and perhaps later 0. 1 6.h3 lDh6 1 7.f4 [5 We have been following the game Koneru Jobava, Wijk aan Zee 2006. Now I believe White should react qUkkly, not allowing Black to consolidate his position with moves like ... �c7, ... lDb7 and ... �aeS.

.. .

e

l S ... hS This is a typical idea, preparing ... h4 and ... hxg3. This has nothing to do with a crazy kingside attack, bur is in fact a prophylactic positional concept. The point is that White's entire position is geared towards the f2-f4 break. If the h-pawns are removed from the board, then this move immediately becomes much less attractive as the enemy knight will obtain a valuable outpost on g4. Naturally some other moves have been tried as well. 1 5 ... lDh5 1 6.f4 ig4 The exchange sacrifice on b2 is not so effective: 1 6 . . . bxc4 1 7.bxc4 �xb2 l S.�xb2 exf4 J 9.lDxf4 ixb2 20.�xb2± 1 7.if3 ixf3 l s.lDxf3 bxc4 The passive I S .. .f6 Ieads to a difficult position for Black after J 9.f5!. 1 9.fxe5! cxb3 20.axb3 dxe5 2 1 .ixe5 �c8 22.ixg7 lDxg7 This position was reached in Rogozenko Lanka, Hamburg 200S. Now I suggest: 23.�c3N c4 24.b4 lDb3 25.lDed4± White keeps a clear positional advantage.

I S.fxe5N I believe this is the right moment to release the tension. 1 8 ... dxe5 1 9.1Dc 1 ! This thematic manoeuvre works very well here. The knight is heading for d3, where it will be perfectly placed attacking the pawns on e5 and c5. I analysed the following continuation: 1 9 ...�g5 The idea to activate Black's knight via the f5-square is insufficient: 1 9 ... fxe4 20.�xfSt �xfS 2 1 .lDxe4 lDf5 22.�c3!± 20.�f3 More complicated is 2o.lDd3 �xg3 2 1 .�f3 �g5 22.lDxc5 ic8 when Black has definite coun terplay. 20 ... lDO 2 1 .lDd3 lDb7 22.�el �fe8 23.h4 �e7 24.�f2;!; White keeps the better chances, as Black's centre is vulnerable.

Chapter 23 - 6 ... tDc6 & 7 ... if5 1 5 ...We7 1 6.�bel Premature would be 1 6.f4?! iLlg4 1 7.Wd3 bxc4 1 8.bxc4 �xb2! 1 9.�xb2 exf4 with great compensation for the exchange. 1 6 ... iLlh5 1 7.ic3 It is essential to remove the bishop from b2 in order to avoid a possible exchange sacrifice on b2. 17 ... b4 1 8.ib2 f5 If 1 8 . . . g5 White can surprisingly generate play on the queens ide by means of1 9.a3! bxa3 20.ic3 iLlb7 2 1 .�a 1 with better chances. 1 9.f4 exf4 If 1 9 ... �be8, then Huschenbeth in ChessBase Magazine 121 gives the following line: 20.ih3 exf4 2 1 .iLlxf4 iLlxf4 22.gxf4 fxe4 23.ixd7 Wxd7 24.iLlxe4 iLlb7 25.Wh 1 ! with advantage to White, thanks to the strong idea of iLlg5-e6. 20.iLlxf4 iLlxf4 2 1 .gxf4 fxe4 22.iLlxe4 if5 23.Wd2 ixb2 24.Wxb2 ixe4 25J�xe4 Wg7 26.Wxg7t Wxg7 27.f5!? gxf5 28.�e7t �f7 29.�xf7t Wxf7 30.ie4! The endgame was unpleasant for Black thanks to his inferior minor piece, Sargissian Huschenbeth, Kerner 2007.

8 7 6 5 4

385

placed piece, bur if we reposition it on d3, then it suddenly becomes one of the best! Before we look any further, I will share my findings on the other possibilities, so you can see why I felt a new approach was needed. 1 6.ic3 has been the most popular choice. 1 6 ... h4 1 7.Wd3 White's idea is to cover the e3-square, taking the sting out of the potential ... iLlg4 jump. However, the idea is a little slow and allows Black to regroup his pieces: 17 ... b4 1 8.ib2 iLlb7 1 9.f4 hxg3 20.hxg3 iLlg4 with unclear play, Akopian - Prusikhin, Bad Wiessee 200 1 . Another natural option is: 1 6.f4!?N This is the move White would ideally like to play. I worked a lot on this position and discovered the following line, which provides quite an instructive demonstration of Black's resources. 1 6 ... exf4 1 7.gxf4 bxc4 1 8.bxc4 �xb2! White should always be on the lookout for this thematic sacrifice. 1 9 .�xb2 iLlg4 Threatening to j ump to e3. 20.�f3 Wh4 2 1 .h3 Black also has a great position after 2 1 .�b6 id4t! 22.iLlxd4 Wxh2t 23.Wfl cxd4 24.Wd3 iLle3t 25 .�xe3 dxe3 26.Wxe3 �c8. 2 l ...We1 t 22.ifl

3

2 1

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16.iLlcl !?N After a deep investigation I decided to recommend this novel idea. It seems to me that the knight on e2 is currently White's worst

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386


22 ... ttJe3!! 23.gxe3 id4 The position remains complicated, but Black is certainly not worse.

20 ... dxc5 2 1 .ltJxc5 gc8 22.gfc1

16... h4 17.lLld3 White is now ready to carry out the desirable f4 advance. Another advantage of the knight manoeuvre to d3 is that the possible ... ttJg4 idea can now be met comfortably by gbe l covering e3. 17... lLlh5 This is directed against f2-f4. Instead after 1 7 ... ttJg4 1 S.h3 ttJh6 1 9.f4! White's position looks very nice.

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Black is very much in the game, but I believe White's chances are better, due to his queenside pressure and passed d-pawn. The latter is likely to become increasingly important after more pieces are exchanged.

Conclusion:

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1 8.b4!? Here we see a further advantage of the knight manoeuvre: White created an additional opportunity to get play on the queenside. 1 8... lLlxc4 Another interesting line is 1 s . . . cxb4 1 9.c5 gcs 20.c6 ttJxc6 2 1 .dxc6 gxc6, but despite the approximate material balance I prefer White's position after 22.�d 1 a5 23.ttJb3t. 1 9.bxc5 lLlxb2 20.�xb2 Obviously the queen should vacate the c-file, preventing a potential pin after . . .gcS.

Line A with 9 . . . c6 is certainly tricky, but ultimately it seems that White can emerge from the complications with better chances in the positions with two minor pieces against a rook. Variation B with 9 ... c5 leads to semi-closed positions demanding more subtle manoeuvring. Despite the absence of an immediate tactical confrontation, a great deal of tension lies under the surface of the position. To take one example, we saw in the note to White's 1 6th move how effectively the black pieces may spring into action if given the opportunity. It will be interesting to see my new idea with 1 6.ttJc 1 !? tested in practice, but at this stage all I can say is it looks promising for White.

King's Indian

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6 ... �c6 & 7...e5

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Variation Index l .d4 tlJf6 2.c4 g6 3.g3 �g7 4.�g2 d6 S.tlJc3 0-0 6.tlJa tlJc6 7.0-0 eS 8.dS tlJe7 9.e4 A) 9 ... cS 10.tlJel tlJe8 1 l .tlJ d3 fS 1 2.f4 exf4 1 3.�xf4 AI) 13 ...fxe4 A2) 13 ...�d4t B) 9 ... aS C) 9 ... h6 D) 9 ... tlJd7 E) 9 ... tlJe8 10.tlJe1 fS 1 l .tlJd3 tlJf6 12.�gS! E1) 12 ...fxe4 E2) 12 ... h6 1 3.�xf6 E2 1) 1 3 ...�xf6 E22) 1 3 .. J;xf6 E I ) afrer 22 . .id7

A) afrer 1 6 \Wb6 8

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1 7.a4!N

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E22) afrer 17 ... ie5

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389 389 390 391 391 393 395 395 396 397 398

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23.l'lafl !N

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1 8.l'lad l!N

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l .d4 lDf6 2.c4 g6 3.g3 ig7 4.ig2 d6 S.lDc3 0-0 6.ttJ£3 lDc6 7.0-0 eS What could be more natural than Black's last move? After 8.d5 ttJe7 the play resembles the Classical line of the King's Indian (where the bishop is on e2) . Recently this variation has rarely been seen in high level chess, mainly because Black fails to create the kingside attacks that often arise in the Classical lines, and the positional battle tends to favour White. Nevertheless, as always in the King's Indian, Black has many ideas for counterplay. However, it is likely that this is not Black's most promising variation. 8.dS ttJe7 There is a minor alternative to cover before we reach the real tabiya: 8 ... tLla5 9.tLld2 c5 Positionally dubious is 9 ... b6?! l O.b4 tLlb7 as the knight looks horrible on b7. I like the following example: l l .ib2 ttJe8 l 2J�k l a5 l 3.a3 E:b8 It is hard to explain this move, but White was much better anyway with the black knight so badly placed on b7. l 4.tLlb5 �d7 l 5.tLla7! In Volodin - Rezak, Slovakia 2000, White transferred his knight to c6 and obtained a clear advantage.

a b c d e f g h I found no fewer than 520 games in Mega Database where this position was reached. The funny thing is that usually it appears via a different move order and White's next move would be illegal.

l O.dxc6! This is the point; now White gains strong pressure against the d6-pawn. l O ... ttJxc6 Of course l O ... bxc6? is impossible due to 1 l .b4 followed by l 2.�xc6. 1 1 .tLlde4 ttJe8 Black can also try 1 1 .. .tLlxe4 1 2.tLlxe4 tLld4, but after: l 3.e3 tLlf5 l 4.b3 �e6 1 5 .Wd2 Wb6 (or 1 5 ... d5 1 6.cxd5 �xd5 1 7.Wxd5 Wxd5 l 8.tLlf6t �xf6 1 9.�xd5 is clearly better for White) as in Dizdar - Matkovic, Makarska 1 994, White could have secured a positional plus with 1 6.�a3 E:fd8 1 7.tLlg5. l 2.tLlb5! Immediately attacking Black's weakness. 1 2 ... tLld4 l 3.ig5! An important intermezzo. 1 3 ... f6 l 4.tLlxd4 exd4 l 5.�f4 �e6 Little is changed by 1 5 .. .f5 1 6.tLlg5 ttJc7 1 7.Wb3! �e5 as in Vasic - Dimovska, Tivat 200 1 , and here 1 8.c5t \t>g7 1 9.E:ac l ± would give White a large advantage. 1 6.c5! d5 1 7.tLld6 White was much better in Medic - Stanic, Zagreb 1 993.

9.e4

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This is the tabiya of our lines against the 7 ... e5 variation. Another popular continuation

Chapter 24 - 6 ... lLl c6 & 7 ... e5 is 9.c5 4Je8 1 0.cxd6 4Jxd6, but I find 9.e4 more promising. Black now has a huge choice. The lines we will study are: A) 9 . . c5, B) 9 ... a5, C) 9 ... h6, D) 9 .. lLld7 and E) 9 ... lLle8. .

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One less critical option is: 9 ... �g4 This move has appeared many times in practice. The idea is to provoke White into playing h2-h3, which might weaken the white king's position, but it is simpler j ust to get rid of Black's light-squared bishop. l o.V9b3! I think this is a very nice idea. The queen steps out of the pin and prepares the 4Je I -d3 manoeuvre. l o ...V9c8 The alternative is: 1 0 ... b6 1 1 .4Je1 V9c8 1 2.lLld3 �h3 1 3 .i.d2 i.xg2 1 4.<j;Jxg2 4Jh5 1 5.l:%ae 1 V9d7 1 6.V9a4! Obviously a queen exchange favours White, as Black's minor pieces are very passive. 1 6 ... V9xa4 1 7.4Jxa4 f5 1 8.4Jc3 4Jf6 1 9.f4 Opening up the position is clearly in White's favour, due to the weakness of the e6-square. 1 9 ... 4Jd7 20.4Jb5 l:%fc8 This is Marin - De Dios Alija, Benasque 1 998, and now 2 1 .fxe5N lLlxe5 22.4Jxe5 �xe5 23.i.g5! would have given White a solid advantage. 1 1 .4Jel i.h3 1 2.4Jd3 i.xg2 1 3.cj;>xg2 In my opinion this type of position is favourable for White, as it is much easier for him to develop an initiative on the queens ide than it is for Black to create activity on the kingside. An important detail is that Black needs several tempos to solve the problem of his rather passive knight on e7. 13 . . . b6 14.V9c2 4Jh5 1 5.i.d2 f5 1 6.f3! It is important not to allow Black to play ... fxe4 followed by ... 4Jf5, activating his knight. 1 6 ... a5 1 7.a3 h6

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White is also clearly better after 1 7 ... cj;>h8 1 8.b4 4Jg8 1 9.c5±. 1 8.b4 g5 1 9.4Jf2.! An essential prophylactic measure; if 1 9.c5 g4 and Black finds some activity. 1 9 ... axb4 20.axb4 V9d7 2 1 .l:%xa8 l:%xa8 22.l:%bl White was better in Illescas Cordoba ] . Polgar, Moscow (01) 1 994.

A) 9 .. cS .

Obviously this move helps Black to establish control over the d4-square, especially if the position opens up, but at the same time it weakens the d6-pawn, which might be an important detail in the long term. The play usually continues:

IO.lLleI lLle8 I l.lLld3 5 I 2.f4 exf4 1 3.ixf4 Now Black has a choice:

8 7 6 5 4 3 2

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The split is between AI) 1 3... fxe4 and A2) 13 ...id4t.

AI) 13 ...fxe4 I4.tDxe4 tD5 The alternative is 14 ... h6 when the following idea looks quite impressive: 1 5.i.d2! TIle white bishop is heading for c3 with the obvious intention of trading for its opposite number, and thus making Black's kingside vulnerable.

390


It is no less important that the f4-square is vacated for White's knight. Black has a couple of likely replies: a) 1 5" .ttJf5 1 6.ic3 ixc3 Black cannot safely avoid the exchange of bishops. If 1 6" . ttJd4 1 nhfBt he would face concrete problems. For example: 1 7" .ixfB 1 B.ixd4 cxd4 1 9.ttJf4 if5 20.ttJe6 ixe6 2 1 .dxe6± or 1 7".\t>xfB I B.ttJf4 if5 1 9.94!± 1 7.bxc3! White covers the d4-square and now Black has to deal with White's idea of g3-g4, pushing away the knight from f5. 1 7".ttJeg7 Not good enough, but still more tenacious was: 1 7".ttJf6 I B.ttJxf6t E:xf6 1 9.�d2 \t>g7 20.E:ae 1 ± I B.�d2 g5 In Marin - J. Gonzalez, Badalona 1 995, White could have decided the game with:

lS.�d2 bS A very challenging move. White would be much better after 1 5".ttJf6 1 6.ttJg5 ttJh5 1 7.ttJe6 ixe6 1 8.dxe6 id4t 1 9.hl ttJxf4 20. ttJxf4 ttJe3 2 1 .E:fe 1 ± and the e6-pawn makes a difference. 16.cxbS �b6

8 7 6 5 4 3 2 a

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This is Marin - Piera, La Pobla de Lillet 1 997, and now I found a nice little improvement:

17.a4!N a6 1 8.g4! Not so clear is I B.ttJg5 c4t 1 9.ttJf2 axb5.

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1 9.94!N ttJh4 20.E:xfBt �xfB 2 1 .E:fl �e7 22.�e2! Threatening 23.ttJf6t. 22".hB 23.E:f6+b) 1 5" .E:xfl t 1 6.�xfl if5 1 7.E:e 1 �d7 I B.�e2! ig4 1 9.ttJexc5! A well-calculated tactical operation. 1 9" .ixe2 20.ttJxd7 ixd3 2 1 .E:xe7 ixc4 22.b3 id3 23.ih3 White was clearly better in Filippov - Loginov, Elista 200 1 .

18...lLld4 19.�h6! White has every chance of building a dangerous offensive. For example: 19 ...hg4 2o.hg7 xg7 Or 20".lLlxg7 2 1 .a5 �xb5 22.lLlxd6 �b8 23.lLle4±. 2 1.E:xf8 xf8 22.�h6t g8 23.lLlgS E:a7 24.E:el lLlf6 2s.lLlxh7! E:xh7 26.�xg6t E:g7 27.�xf6 With a winning attack. A2) 13 ...�d4t 14.h l �xc3 1 5.bxc3 fxe4

16.he4N

Chapter 24 - 6 . . . lOc6 & 7 . . . e 5 This natural recapture is a new move. Instead White has tried 1 6.lOf2 and of course it would be nice to recapture on e4 with the knight, but unfortunately Black has a strong exchange sacrifice: 1 6 . . .�xf4! 1 7.gxf4 e3 1 8.lOe4 1Of5� Black had fine compensation in Mamedyarov - Guliev, Baku 2006.

16 ...if5 17.i8 '.Wd7 18.lOfl White's chances are clearly preferable due to his bishop pair. B) 9 ...aS 1 0.lLle1 lLld7 This position might also be reached via the 9 ... tDd7 move order.

1 1 .1Od3 And now I found the following idea quite an interesting one:

8 7 6 5 4 3 2

39 1

22.�f7 tDf6 23.Wh6 �g8 24.h3 and Black is almost paralysed) 2 1 .tDe4±.

1 2.a4!? A very surpns1I1g move in this kind of King's Indian position, and yet I think this is White's best bet of gaining an advantage. The main point is that White is actually not interested in playing on the queenside; instead he is concentrating on carrying out the £1-f4 advance. The text move helps prevent Black becoming active on the queenside, for instance with . . . a4-a3 in reply to f2-f4. Also . . .�a6 could now be met with the blocking tDb5. The following game shows some of the black ideas we are trying to avoid: 1 2. f4 exf4 1 3.�xf4 �a6 1 4.tDb5 In Tregubov - Motylev, St Petersburg 1 998, Black should have played 1 4 . . . tDc5N 1 5.tDxc5 bxc5 1 6.'!9d2 �xb5 1 7.cxb5 a4! with counterplay.

1 2 ... f5 13.£4 Opening up the position is clearly in White favour. For example:

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1 1 ...b6!? The alternative l 1 ...f5 does not really combine well with 9 . . . a5, so it is no surprise White is better after 1 2.f4. Luch - Rodriguez Fernandez, Oviedo 2007, continued: 1 2 ... h8 13.fxe5 tDxe5 1 4.tDxe5 �xe5 1 5.�g5 �d7 1 6.'!9d2 '!ge8 1 7.�ae l tDg8 And now the straightforward 1 8.exf5N �xf5 1 9.�f4! would secure White's plus. For example, 1 9 ...'!ge7 20.�xe5t dxe5 (or 20 ... �xe5 2 1 .�xe5 '!9xe5

1 3 ... lOeS I also examined other options for Black. For example, 1 3 ... fxe4 1 4.tDxe4 exf4 1 5.tDxf4 tDc5 1 6.tDg5 gives White a good initiative, and 1 3 . . . �a6, as I already mentioned, is well met by 1 4.tDb5. 1 4.fxeS lOxd3 1 S.'.Wxd3 ixeS 16.ih6 �e8 17.'.Wd2± White has easy and active play, while Black is doomed to passivity, Matamoros Franco Garrido Dominguez, Seville 2004. C) 9 ... h6 10.1Oe1 Now I examined Black's two most popular moves in this position.

392

8 7 6 5 4 3 2 1


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10... �d7 1 0 ... �h7 Now I believe the critical continuation is: 1 l .f4 1 1 .�d3 allows 1 1 .. .g5 1 2.f4 exf4 1 3.gxf4 tLlg6, which gave Black reasonable play in Unzicker - Manor, Budapest 1 994. l 1 ...f5 If 1 l ...exf4 1 2.gxf4 f5 then White has the important resource 1 3 .e5! exploiting the hanging h6-pawn. Then 1 3 ... dxe5 1 4.fXe5 ixe5 1 5.ixh6 l"le8 1 6.tLlf3 if6 1 7.Wd2 is much better for White. 1 2.tLld3 exf4 This is McCart - Jovanovic, Australia 200 1 , and now White should have recaptured with the knight: 1 3.tLlxf4N And if: 1 3 ...fXe4 1 4.ixe4 tLlg5 1 5 .ig2 White has the better chances. 1 1 .�d3 f5 12.id2!? This is probably the only moment in this line where White will not meet Black's ... £7-f5 with an immediate f2-f4. The main reason is that Black is optimally prepared for a clash in the centre. On the other hand, it is essential to understand that White's position is flexible and he can allow himself to delay the advance of his f-pawn.

I will briefly show some lines that demonstrate why the immediate f2-f4 is not best: 1 2.f4 Black can react with: 1 2 ... exf4 1 3.tLlxf4 White will also find no advantage with the other recapture: 1 3.ixf4 g5 14.id2 (or 1 4.ie3 tLlb6 1 5.Wb3 fXe4 1 6.tLlxe4 tLlf5 1 7.if2 tLld4=) 1 4 ... tLl f6 1 5.Wc2 fXe4 1 6.tLlxe4 tLlxe4 1 7.ixe4 if5 1 8.tLlf2 Wd7 1 9.ic3 ixc3 20.Wxc3 tLlg6= Black was okay in Stohl - Rasik, Czech Republic 1 997. 1 3 ... tLle5 14.Wb3 fXe4 1 5.tLlxe4 tLlf5 With double-edged play.

1 2 . ltJf6 If 12 ...i>h7 1 3.l"lc 1 tLl f6, as in Konnov Nesterov, Izhevsk 2005, White should continue with 1 4.f4 with the following tactical point: 14 ... fXe4 ( l 4 ... exf4 is a better try, but even here after 1 5.tLlxf4 White has the better chances) 1 5.tLlxe4 tLlxe4 1 6.ixe4 exf4 1 7.tLlxf4 ixb2 1 8.tLlxg6! With a powerful attack. ..

1 3.l"lcl White slowly prepares his play on the queenside.

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1 3 . fxe4 Another option for Black is: 1 3 ... g5 ..

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Chapter 24 - G . . . ltJcG & 7 . . . e 5 This was played in Sarfati - Mohd, Manila (01) 1 992, and now I suggest the following line: 1 4.:ge 1 N f4 1 4 . . . fxe4 1 5.lZ'lxe4 �f5 is also quite natural for Black, but here White has better prospects after 1 6.f3 'lWd7 1 7.ltJdf2. White has established control over the e4-square and is ready (0 start playing on the queenside. 1 5 .c5 lZ'lg6 In this kind of position White is much faster, as it is not so easy for Black (0 attack on the kingside. For instance: I G.ltJb5 a6 1 7.ltJa3 Also interesting is the thematic piece sacrifice: 17.cxd6 axb5 1 8.dxc7 'IWd7 1 9.�b4!?� 1 7 ... h5 18.cxd6 cxd6 1 9.1Z'lc4 White has many ideas for seizing the initiative, such as �b4, or �a5 and lZ'lb6.

14.lZ'lxe4 i.fS 1 5.lLlxf6t 1 5.:ge 1 !? also comes into consideration. 1 5 .. J�xf6 16.i.c3 Finally White switches (0 the f2-f4 idea. 16 ... g5 17.f4 gxf4 1 8.gxf4 hd3 1 9.'lWxd3 13xf4 Here I found an appealing idea:

8 7 6 4 3 2 1

393

In the game Drasko - Sahovic, Yugoslavia (ch) 1 99 1 , White opted for 20.13xf4 exf4 2 1 .�xg7 �xg7 22.'lWd4t, but after 22 ... lt>g8 23.'lWxf4 'lWf8 24.'lWe4 'lWg7 Black obtained reasonable play, as White cannot prevent the centralizing ... lZ'le5.

20 'lWfS 2 1 .i.d2 13f6 22.i.e6t i>h8 23.'lWh3 lLlg8 24. i>h1 White has fantastic compensation for the sacrificed pawn. Black is still solid, but he does not have a single active move at his disposal. I believe White's main idea should be (0 double (Ooks on the g-file. In any case, it would be very unpleasant (0 play Black's side of this position. ••.

D) 9 ... �d7 1O.lLle1 fS Besides this move, only 1 0 ... a5 is a serious alternative, and after 1 1 .lZ'ld3 this position is examined in the 9 ... a5 variation (line B).

1 1 .lLld3 i>h8 1 1 ...lZ'lf6 j ust transposes (0 our main line, while 1 1 . . .h6 is covered in line C. 1 2.f4 A thematic central clash in this line.

8 i: .t� �� ' �%6i'''''/.'''--/d''''''\�:.rd''''' 7 '�', %� i f""'�lj) % �""" m' � i 6 ' � W/i � , � Z 'm"' � � � 4 ." !A ') %1 � if�[!f0� 3 ; ' : tZJ ' 2 ��%I'�' ' ' ;�� ""'''%1'0 �'o0Z j. 1� mv�� ,: ?,,, ,�� --� f g h a '"

'0

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" ' --/ h

/ "

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20.i.h3!?N

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1 2...exf4

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�

394


The alternatives are clearly worse: 1 2 . . . 'LlgS may look a natural try, but it is badly timed, as it allows White to force a favourable pawn structure: 1 3.exf5 gxf5 1 4.fxe5 dxe5 (White is also clearly better after 1 4 ... 'Llxe5 1 5.'Llxe5 dxe5 1 6.ie3) 1 5.ie3 'Llh6 1 6.1MI'd2 Black faced serious difficulties in Huzman Maes, Amsterdam 1 994. 1 2 ... a6 Obviously this is a strange move, but I decided to examine it in order to show what White intends to do if Black makes some waiting move. 1 3.fxe5 'Llxe5 I also analysed: 1 3 ... fxe4 1 4.'Llxe4 (the point is that after 1 4.exd6 exd3 1 5.dxe7 1MI'xe7 1 6.1MI'xd3 White wins a pawn, but Black gets great compensation in return after 1 6 ... 'Lle5 1 7.1MI'e3 if5�) 14 . . .'Llxe5 1 5.'Llxe5 ixe5 1 6.'Llg5! Otherwise Black might be alright. 1 6 ... 'Llf5 1 7.g4 'Llh6 I S.h3 White is clearly better, especially due to the poorly placed knight on h6. 1 4.'Llxe5 ixe5 White is simply better after 1 4 ... dxe5 1 5.ie3±; Black lacks activiry. 1 5.ih6 �f7 1 6.1MI'd2 'LlgS

With the following idea: 1 7 ...ig7 It should be noted that 17 . . . ixf4 l S.�xf4 is clearly better for White. l S.�ae 1 White is threatening to play 1 9.e5. IS ... fxe4 1 9.'Llxe4 h6 Otherwise White was threatening to play 'Llg5. 20.c5 White has a fine initiative.

1 3.ixf4 h6 As we already know, if 1 3 . . . 'Lle5 1 4.'Llxe5 dxe5 1 5.ie3 then the arising pawn structure favours White and gives him a solid advantage, as in Grachev - Khadzhaev, Rybinsk 2000.

8 7 6 5 4 3 2 a b c d

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14.1MI'd2!?N This natural move seems stronger than the modest 1 4.Wh1 which was played in A. Maric - Skripchenko, Kishinev 1 995. 1 4 g5 15.ie3 fxe4 Black is practically forced to release the tension, as 1 5 ... 'Llf6 runs into the simple 1 6.e5 when White is obviously better. .•.

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This position is from the game Marin Florean, Bucharest 1 999. Now I really like: 1 7.if4!?N

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1 6.lbxe4 lbfS 17.if1 The following sequence looks logical to me.

Chapter 24 - 6 . . . tLlc6 & 7 ... e5

17 ... lLlf6 18.lLlxf6 \Wxf6 1 9.94! lLld4 20.ie3 \We7 21 .�xf8t \Wxf8 22.�fl \We7 23.h3 Black's knight has problems as, for example, White is threatening 24.tLlf4.

8

7

E) 9 ... lLle8

6

This move and 9 ... tLld7 are Black's two most popular options, and they usually transpose to the same position. Still, Black has some possible deviations after:

3 2

1O.lLle1 f5 1 0 . . . c5 I l .lLld3 f5 1 2.f4 would j ust transpose to 9 . . . c5. 1 1 . ttJd3 lLl f6 I am rather sceptical about Black's alternatives. For exan1ple: 1 1 ...h6 1 2. f4 exf4 1 3.tLlxf4 An important detail is that Black's knight cannot jump to e5 at once, as was possible in the 9 ... tLld7, 1 0 ... h6 line. 13 ... lLlf6 1 4.exf5 ixf5 1 5.Wle2 White has a clear edge; he will move his knight to e6 at a suitable moment. 15 ... @h7 1 6.id2 :B:eB 1 7.tLle6 ixe6 I B.dxe6 c6 1 9.:B:ae l ± White kept his advantage i n Lisitsin - Panov, Tbilisi 1 937. 12.ig5! A very strong idea, which is problematic for Black according to existing theory. White's main goal is to carry out f2-f4 as quickly as possible. Now there is a further split between El) 12 ... fxe4 and E2) 12 ... h6. El) 12 ...fxe4 1 2 ... lLlxe4 1 3.lLlxe4 fXe4 1 4.ixe4 will transpose to the 1 3 ... tLlxe4 line in the note below.

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4

...... I ./////>

a b c

d

e

f

13.lLlxe4 lLlf5 Black has several other options:

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13 . . . if5 is hit by a strong reply: 1 4.ixf6! ixf6 1 5.f4 exf4 (somewhat better is 1 5 ...ixe4 1 6.ixe4 tLlf5 but White is still positionally better after 1 7.ixf5 gxf5 1 B.fXe5 ixe5 1 9.Wld2) 1 6.lLlxf6t! :B:xf6 1 7.lLlxf4 WlfB I B.Wld4± White had a clear advantage in Melkumyan - Benza, Russia 200B. 13 ... tLlxe4 1 4.ixe4 if5 There is no point in trying to be more active with 1 4 ...ih3, as after 1 5.:B:el Wld7 1 6.f3! the bishop must return to f5: 1 6 ...if5 (and not 1 6 ... lLlf5 in view of 1 7.tLlf2 lLld4 I B.g4! and the bishop is trapped on h3) 1 7.Wld2 (also worthy of consideration is 1 7.c5!?) 1 7 ... :B:0 I B.f4 :B:eB (stronger was I B ... exf4 1 9.1Llxf4 ie5, although White is better after 20.lLle6) 1 9.fXe5 dxe5 20.tLlc5 Wld6 2 1 .b4 b6 22.lLle6! White has a clear advantage, Maherramzade - Manhardt, Medellin 1 996. 1 5.Wle2 Wld7 I like the following unexpected move: 1 6.ixe7! Instead 1 6.f4 exf4 1 7.lLlxf4 :B:aeB looks pretty double-edged. 1 6 ...Wlxe7 1 7.ixf5 :B:xf5 I B.lLlf4 Now I believe the critical move is: I B ... :B:xf4!


396

White was clearly better after 1 8 .. .l'hf8 1 9.ttJe6 �8f7 20.f3 h5 2 1 .\We4± in C. Powell - C. Rich, corr. 1 995. 1 9.9:xf4 \Wh4 20.fxe5 ixe5 2 l .f3t Undoubtedly Black has compensation for the excha.l1ge, but I still prefer White, Matamoros Franco - Naranjo Moreno, Campillos 2007.

22.h3 id7

8 � my/.., R. u.�. rr! �·%w�� y. & 7 .(� ..%� f_.JL� . . ?�/� . � � � , �. 5 � a'8'. \Ir@j 4 �� f � �/ / ; � � � � 3 ��.0-�-� -� 2 fj....�r�. . %��. � . � ��y.�� 1 .� � � a b c d f h 6

. . .. . ....

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' N/ /.

•

. . ..

.. ...

... . .

.... .

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14.g4! Of all the many possible continuations, I like this concrete approach the most. 14 ... ttJe7 1 4 ... ttJd4 is very bad for Black: 1 5.f4 \We8 1 6.ttJxf6t ixf6 1 7.ixf6 �xf6 1 8.�e1 \Wf8 1 9.fxe5 dxe5 20.ttJxe5 And White was simply a pawn up in Matamoros Franco - Hennigan, Campillos 2006. 1 s.ixf6 .txf6 1 6.f4 This is the main idea behind White's 1 4th move. Now we have a series of essentially forced moves. 16 ... exf4 17.ttJxf6t �xf6 18.llJxf4 WffB 1 9.Wfd4 Wfg7 Obviously 1 9 ...ixg4? is killed by 20.ttJxg6!+-. 20.�f2 �f7 21 .\Wxg7t �xg7 2 1 .. .�xg7? loses to 22.�af1 �g8 23.ttJxg6!.

g

23.�afJ. !N This is stronger than 23.ttJe6, which was played in both games that reached this position. 23 ...ixe6 24.dxe6 ttJc6 25.c5 dxc5! 26J''k l �e8!N Not a difficult improvement. (Instead Black lost quickly after 26 ... ttJb4 27.ixb7 �e8 28.�dl ttJxa2 29.ic6 �b8 30.e7 �xe7 3 Lid5t Wg7 32.ixa2+- in Harika - Saheli, India 2004.) 27.ixc6 (or 27.�xc5 ttJd8!) 27 ... bxc6 28.�xc5 �xe6 29.�a5 �d7 30.�xa7 �e3 Black's counterplay is good enough for a draw. 23 ... �f8 24.ttJe6 �xfl 2S.�xfl ixe6 26.dxe6 c6 If 26 ... ttJc6 then White is j ust in time to get in 27.ixc6 bxc6 28.g5! �e7 29.�f6 and I believe this endgame is winning, as Black is paralysed. 27.�d2 ttJc8 28.cS! dS 29.ixdS! The point. 29... cxdS 30.�xdS± White will regain the piece, and keep his extra pawn. E2) 12 ... h6 1 3.ixf6

Chapter 24 - 6 . . . lOc6 & 7 ... e5

a

As usual, other moves are possible: 1 5 ... fXe4?! only helps White to seize the initiative. 1 6.i.xe4 �g7 17.�d3 and Black was already struggling in Sokolowski - Tokarski, Poland 2005. 15 ... c6 1 6.�hI i.e5 I 7.�d2 g5 It would not be a good idea to move the black queen far from the kingside, as the following game demonstrates: I7 ... �a5?! I S.lOd3 i.xc3 1 9. bxc3 cxd5 20.exd5! i.d7 21 .c5 Black was in serious trouble in Lenic Sarno, Slovakia 2004. l s.lLId3 i.xc3 The beginning of a concrete approach. Instead I S ...i.g7 would not solve all Black's problems after 1 9.i'!ae l . For example: 19 ... fXe4 20.i'!xfSt �xfS 2 1 .lLIxe4 lLIf5 22.dxc6 bxc6 23.i'!fl (threatening 24.g4) 23 . . .�e7 24.lLIb4! i.d7 25.c5 dxc5 26.lLId5! With a winning advantage. 19.�xc3 fXe4 20.dxc6 bxc6 21 .i.xe4 i.h3 1his allows White to seize the initiative. 2 1 ...if5 22.ig2 was the lesser evil, though White has strong pressure.

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22.lLIf2! The point! The rook is untouchable. 22 . . .i.f5 22 ...i.xfl 23.lLIg4 gives White a decisive attack. 23.i.xf5 lLIxf5 This position was reached in Fontaine - A. Hunt, Patras 1 999, and now White could have gained a solid advantage by simple means:

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24.i'!ae I N �d7 25.lLIg4 �g7 26.�d3!±

16.exfS ixfS 17.�d2 c6 Black has also tried: 1 7 ...�d7 But this seems too slow. l s.lLIb5! The knight is heading for d4 with the idea of penetrating further to e6. IS ... c5 1 9.1LIe6! i.xe6 20.dxe6 �xe6 21 .lOc7 �xc4 22.lLIxaS �d4t

398


Black has to trade queens, as 22 .. .!!xaS 23.Wxh6± is unsatisfactory for him. 23.Wxd4 ixd4t 24.rJih l 1"1:xaS 25.1"I:ael ie5 This is Rasmussen - Solleveld, Germany 2007. Now White missed a clear chance: 26.ixb7N 1"I:bS 27.ia6! And now Black cannot take on b2 in view of 2s.ic4 followed by 29.1"1:0. 27 ... lLlf5 2S.g4 lLld4 29.ic4t rJihS 30.b3± I do not see any reason why White should not convert his extra material.

E22) 1 3 ...1"I:x:f6 14.£4 exf4 Black has no reliable alternative, as 1 4 . . . 1"I:f8 is clearly favourable for White after: 1 5. fxe5 dxe5 This is Szelenyi - Csolig, Hungary 200S, and now 1 6.c5!N is very strong as if 1 6 ... fxe4 then White is comfortably better after 1 7.1"I:xfSt WxfS I S.ixe4 lLlf5 1 9.Wa4!±.

1 8.�hl Wb6

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1 5 c6 The second option is: 1 5 . . . rJih7 1 6.Wd3 1"1:fS 17.1"I:ae l White has easy play in this line; he just needs to mobilize all his pieces and then land his knight on e6 at a good moment. 1 7 ...ie5 I S .exf5 lLlxf5 Instead I s ...ixf5 1 9.ie4! does not help Black ei ther. 1 9.rJih l Wf6 20.c5 Wg7 2 1 .cxd6 cxd6 22.lLle6 ixe6 23.dxe6 1"I:ac8 24.lLld5 White's advantage was undisputable in Kasparov - Ivanchuk, Riga 1 995. ..•

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1 9.1"I:ael White has mobilized his pieces optimally and is now ready to jump his knight into e6. It is not easy to handle this position with Black, as was shown in the following encounter: 19 1"1:0 20.lDe6 �xe6 A very important line runs 20 . . .\�%4 2 1 .Wxh6 Wxc4 22.1"I:xf5! gxf5 23.lLlg5 1"I:afS 24.We6! ixc3 25.lLlxf7 1"1:xf7 26.dxc6 Wxe6 27.1"I:xe6 bxc6 2S.bxc3 d5 29.if3 with an unpleasant endgame for Black. •••

2 1 .d.xe6 1"I:xf1 t 22.1"I:xf1 lDf5 23.i.h3 We3 24.Wxe3 lDxe3 25.1"1:0 Black faced a difficult defensive task in Karpov - Gelfand, Dos Hermanas 1 994.

16.�hl A useful prophylactic move against a possible . . . Wb6. 16 1"1:0 The alternative is: ••.

Chapter 24 - 6 . . . 4Jc6 & 7 . . . e 5 1 6 .. J:%f8 The following game was very exciting: 17.c5!? I believe there is also nothing wrong with the modest 1 7.Wid2 followed by :B:ae 1 . 17 . . . g5 It is understandable that Black avoided 1 7 ...�xc3 1 8.bxc3 cxd5 1 9.exf5! dxc5 20.fXg6, which looks dangerous. 1 8.dxc6! 4Jxc6 Other possible lines are 1 8 ... gxf4 1 9.c7! Wixc7 20.cxd6 Wid8 2 1 .Wib3t cj;lh8 22.dxe7 Wixe7 23.4Jd5 Wif7 24.:B:xf4 when White is a healthy pawn up, and 1 8 ... dxc5 1 9.cxb7 �xb7 20.4Je6 Wixd 1 2 1 .:B:axd 1 , which also leads to a clear advantage. 1 9.4Jg6 :B:f6 20.exf5 �xf5 2 1 .Wib3t cj;lh7 This position occurred in Konikowski Kruse, corr. 200 1 . Now I found a nice winner for White:

399

17.Wid2 ieS

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1 8.:B:adl!N This is more flexible than 1 8.4Jd3 �g7 as played in Huzman - Nijboer, Netherlands 1 994. The danger of Black's position can be seen in the following variation: 1 8 Wif8 1 9.cS! ixf4 20.gxf4 fxe4 2 1 .cxd6 lLlxdS 22.lLlxdS cxdS 23.'I1*fxdS �g4 24.ixe4 hdl 2S.:B:xdl With a winning position for White. .•.

Conclusion:

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22.:B:xf5!N :B:xf5 23.Wixb7 cj;lxg6 24.Wixc6 :B:c8 25.Wie4! White's attack is decisive.

The 6 ... 4Jc6 7.0-0 e5 variation is not Black's most critical reply to the Fianchetto variation; White should gain a comfortable edge. Most unpleasant of all for King's Indian fans is the idea that it will be White who is more likely to have attacking chances on the kingside.

King's Indian

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Variation Index l .d4 lDf6 2.c4 g6 3.g3 i.g7 4.i.g2 d6 5.lDc3 0-0 6.lDa lDc6 7.0-0 a6 8.�d3 A) 8 ... lDd7 B) 8 .. J�b8 C) 8 ... lDb4 D) 8 ...i.d7 E) 8 ...i.f5 F) 8 ... e5 9.dxe5 dxe5 1 0.�xd8 �xd8 1 1 .i.g5 Fl) 1 1 ...�e8 F2) 1 1 ...i.e6 1 2.lDdl h6 1 3.i.xf6 F2 1) 1 3...�xdl F22) 1 3 ...i.xf6 A ) 1 3...�c8

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E) after 1 4 ... ic8

F2 1 ) 1 8 ... l"lxd2

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Chapter 2 5 - 6 ... 4Jc6 & 7 . . . a6

l.d4 4Jf6 2.c4 g6 3.g3 ig7 4.ig2 d6 5.4Jc3 0-0 6.4Ja 4Jc6 7.0-0 a6 This is the most popular move order to reach the so-called Yugoslav variation. At first my intention was to give an 8 .h3 line against both 7 ... a6 and 7 .. .1''! b8, but unfortunately I failed to discover any advantage for White after 7 ... a6 8.h3 id7!, which in my opinion is Black's best choice when dealing with 8.h3. So finally I decided to change my recommendation after the usual 7 ... a6 and go for the strange-looking 8.�d3, while after 7 ...:gb8 I believe 8.h3 works well . 8.Wd3 A slightly mysterious move that made its debut in two games in 1 956 - one by Gideon Stahlberg and one by Alberic O'Kelly de Galway. Perhaps the queen looks vulnerable on d3, as Black can attack it with ... ttJb4 or . . .if5 , but White is defending the c4-pawn, thus creating the unpleasant threat of 9.d5, because the black knight cannot then go to its usual as-square because it would be lost after b2-b4. As I mentioned above, I cannot find a path to an advantage after 8.h3. For example, 8 ...id7 9.e4 e5 1 0.ie3 exd4 1 1 .4Jxd4 :ge8°o. After 8.�d3 Black has a wide choice, and we will deal with seven possible replies; six main lines and one sideline: A) 8 ... 4Jd7, B) 8 ... :gb8, C) 8 ... 11Jb4, D) 8 . id7, E) 8 ..ifS and F) 8 . e5. ..

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..

8 ...ig4 This is probably the weakest move of all the options I examine in this chapter. White gains a very pleasant edge after: 9.d5 ixf3 1 0.exf3 ttJe5 1 1 .�e2 c5 1 2.f4 4Jed7 13.a4 White has a stable advantage, thanks to his bishop pair and extra space. What more

40 1

could White dream of in the Fianchetto variation? Here are two examples with model play for White: 1 3 ... :ge8 14.�d3 Wc7 Fridman - Mamedov, Internet 2005, continued: 14 ... ttJf8 1 5.f5 (a decent idea, but there is also nothing wrong with the simple 1 5.id2) 1 5 ... 4J8d7 1 6.fxg6 hxg6 1 7.id2 :gb8 1 8.:gae l �b6 1 9.�c2 And White retained a comfortable plus. 1 5 .:gel :gad8 1 6.id2 e6 It is no wonder Black is looking for some activity, but this backfires:

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1 7.dxe6! fxe6 1 8.:ge2 ttJf8 1 9 .:gael Black has only created additional targets for the white pieces. White was much better in Kengis - Antoniewski, Swidnica 2000.

A) 8 .. 11Jd7 .

A rather logical move; Black defends against the threat of d4-d5 (he now has ... 4Jce5) and, depending on the situation, Black can either break in the centre with ... e7-e5, or continue his play on the queenside.

9.i.e3 This seems to be the best idea; White's plan includes �d2 followed by d4-d5. I do not believe provoking ... h7-h6 with 9.ig5 is usefUl for White. It is important to understand why Black is alright after 9.e4:

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Black has to continue with 9 . . . e5 1 0 .ig5 f6 1 1 .ie3 exd4 1 2.llJxd4 llJde5 when he gains good counterplay. For example: 1 3.We2 llJxd4 1 4.ixd4 ig4! (an important intermediate move) 1 5.f3 ie6 Followed by 16 .. . f5.

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9 eS I also examined two other moves: ...

9 . . . E:b8 1 0.Wd2 In my opinion this is stronger than the more popular 1 O.E:ac 1 , when after 1 0 . . . b5 I l .cxb5 axb5 I think Black is absolutely fine. 1 0 ... E:e8 The only game where 1 0 .Wd2 was played continued 1 0 ... e5, which transposes to the 9 . . . e5 line. If 1 0 ... b5 then White can favourably exchange dark-squared bishops with I I .cxb5 axb5 1 2.ih6!. I l .d5 After 1 0.Wd2 White is ready for this advance. l l ...llJce5 1 2.llJxe5 llJxe5 1 3.b3 I believe White has better chances, for instance: 1 3 . . . b5 1 4.cxb5 axb5 1 5.ia7 E:b7 1 6 .id4 b4 1 7.llJd 1 t 9 . . .h 6 1 0.Wd2 <Jih7 1 1 .d5 llJa5 In Chess Informant 99 Bologan considers

this move an improvement over 1 1 . ..llJce5 1 2.llJxe5 (I also like Bu Xiangzhi's recommendation in the same issue of Informant: 1 2.b3!? llJxf3t 1 3.exf3 e5 1 4.dxe6 fXe6 1 5.f4! White's position looks very nice.) 1 2 . . . llJxe5 ( 1 2 ... dxe5? is not really an alternative, as after 1 3.c5 White is positionally much better) 1 3.b3 c5 1 4.dxc6 llJxc6 (White retains a pleasant edge after 14 ... bxc6 1 5.id4!!. There is no point going for 1 5. f4 llJg4 1 6.ixc6 llJxe3 1 7.Wxe3 E:b8 as in this case Black has some compensation for the pawn.) This position is from Bu Bologan, Wijk aan Zee 2007, and now I am happy with Bu's recommendation: 1 5.llJd5!?N ixal 1 6.E:xa l Then after either 1 6 ... h5 1 7.ib6 Wd7 1 8.E:c1 or 1 6 ... g5 1 7.f4 f6 1 8.ib6 Wd7 1 9.E:fI White has enormous compensation and it would be no fun to be Black. 1 2.b3 c5 1 3.dxc6 bxc6

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Now I believe this is the right moment to improve on White's play: 1 4.E:ad I N Both previous games have gone 1 4.E:ac1 E:b8 1 5.ia7 E:b7 1 6.id4 c5 1 7.ixg7 Wxg7 when White's rook appears to be useless on c1. 1 4 . . . E:b8 I f 1 4 . . .ib7 then White has a strong positional idea: 1 5.c5 d5 (or 1 5 ... llJxc5 1 6.ixc5 dxc5 1 7.We3 Wc7 1 8.Wxc5 and Black suffers

Chapter 2 5 - 6 . . . tLlc6 & 7 . . . a6 with his misplaced knight) 1 6.ttJa4 �cB The only defence against White's idea of ttJb6. And now best is 1 7.�d4! as after 1 7 ... e5 White has a tactical solution: 1 B.ttJxe5! �xe5 (or I B ... ttJxe5 1 9.ttJb6 ttJxb3 20.axb3 �bB 2 1 .Wlc3 f6 22.e4 with a big advantage) 1 9.�xe5 ttJxe5 20.ttJb6 ttJxb3 2 1 .axb3 �bB 22.e4 With an obvious positional advantage. 1 5 .�a7 �b7 1 6.�d4 c5 1 7.�xg7 'it>xg7 1 B.ttJh4! �bB 1 9. f4 This is a good moment to start playing on the kingside, as Black really misses the defensive strength of his dark-squared bishop. 19 ... ttJf6 20.e4 Wlc7 2 1 .Wle 1 With good attacking chances.

lo.Wld2

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1 3 ...�d7 The following example shows Black's problems in this structure: 1 4.�ad 1 �bB 1 5.�h6 �xh6 1 6.Wlxh6 f5 1 7.Wld2 1 7.b4 ttJe6 1 B.c5 also looks pretty strong. 1 7 ...�eB 1 B.'it>h2 b5 Black understandably wants some activity, but this only makes matters worse: 1 9. f4 b4 Or 1 9 ... ttJf7 20.ttJc6 �xc6 2 1 .�xc6 also leads to material losses. 20.fxe5 bxc3 2 1 .Wlxc3 �xe5 22.�d5t Black was losing material in Borovikov Smirnov, Panormo 2002. 1 0 ...�bB 1 1 .�ac l White continues making useful moves, as there is no point rushing to release the tension in the centre: 1 1 .dxe5 ttJdxe5 1 2.ttJxe5 ttJxe5 1 3.b3 ttJg4 14.�a7 �aB 1 5 .�d4 Everything looks fine for White, but Black has a nice trick: 1 5 ...�h6 1 6.f4 And here a draw was agreed in Grabarczyk - Markowski, Warsaw 200 1 , in view of the following variation: 1 6 ... c5 1 7.�f2 ttJxf2 1 B.�xf2 �g7 Despite his positional concessions, Black will always have a lot of play thanks to his dark-squared bishop. 1 1 . ..exd4 1 2.ttJxd4 ttJxd4 1 3.�xd4 ttJe5 1 4.b3 �e6 1 5.�fd 1 White has a very comfortable set-up and after the inaccurate: 1 5 ...Wld??! 8

1 0 . . . exd4 l 1 .ttJxd4 ttJce5 1 2.b3 This leads to an attractive position for White, as his pieces are very well mobilized for the middlegame. 1 2 ... ttJc5 1 3.h3 A useful move that covers the g4-square, but also worth considering is the immediate 1 3 .�h6.

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In Zhumabayev - Zimmerman, Russia 200S, White could have increased his advantage with: I G. f4N ttJcG 1 7.ixg7 xg7 l S.c5±

1 1 .b3 ig4 1 2.dxe5 The correct decision; Black has nothing to worry about after 1 2.d5 ixf3 1 3.exf3 ttJd4. 12 ...d.xe5 13.gadl "We8 Obviously Black should avoid the unpleasant endgame after 1 3 . . .Wxd2 1 4.ttJxd2. The following sample variation underlines his difficulties: 14 . . .gadS 1 5.h3 (also worth a look is 1 5.ixcG!? bxcG I G.ttJde4) 1 5 ... ics ( l 5 ...ieG runs into I G.ttJde4 followed by ttJc5) 1 G.c5 ttJd7 1 7.ttJd5 Black is going to lose the c7-pawn.

15."Wc1 llJd4 This looks like principled play for Black, but after: 16.e5! White easily proves his advantage in every line: 16 ... llJd7 The alternative is I G . . . hG 17.cxbG hxg5 l s.ixd4 exd4 1 9.ttJd5 gxd5 2o.ixd5 cG 2 1 .ic4 when White is simply an exchange up. 17.ixd4 exd4 18.llJd5 ge8 19."Wf4± White's advantage is obvious. B) 8 ... gb8 9.d5 As I mentioned above, after S.Wd3 White is ready to play d4-d5 .

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14...gd8 After 1 4 . . . hG 1 5 .ttJge4 White not only intends to bring his knight to c5, but also has the tricky tactical idea of ttJdG, as ... cxdG ixbG would lead to a favourable pawn structure for him.

9... llJb4 It is really hard to believe that Black can get away with playing: 9 . . . ttJa7 1 0.a4 c5 1 1 .e4 e5 This is Kozak - Tibensky, Czech Republic 1 997, and now I believe White should play: 1 2.a5N We have reached a position that closely resembles the "Reluctant Benoni" with the

Chapter 2 5 - 6 . . . tLlc6 & 7 . . . a6 difference that the knight is on a7 instead of c7, which seems clearly inferior for Black. I will offer some illustrative lines: 1 2 . . .�d7 If Black goes straight for . . . f7 -f5 with 12 . . . lLle8, then White can play 1 3 .�e3 with the idea of b2-b4. 1 3 .. .f5 1 4.exf5 gxf5 1 5.lLlg5 It was important to include 1 4.exf5 to prevent Black's idea of . . . f5-f4, which is now impossible in view of mate on h7. 15 . . . lLlc7 Now I believe White can try the sharp: 1 6.b4!? cxb4 1 7.lLle2 h6 1 8.lLlh3 �a8 1 9.�a4 White will regain the pawn, while Black's misplaced knight on a7 should tell eventually. 1 3 .�d2 b6 1 4.axb6 �xb6 1 5.�a3 White is slightly better, as he always is in these types of position.

1O.�dl a5 Black has to vacate the a6-square for his knight to defend against the threat of 1 1 .a3. l 1 .e4 I think 1 1 .�e3!? also deserves serious consideration.

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With the idea of preparing the e4-e5 break under ideal circumstances, and if 1 3 ... cxd5 1 4.exd5 then the rook is useful on the e-file. In Roiz - Barcenilla, Internet 2004, White opted for 1 3.dxc6 bxc6 1 4.e5 lLlg4 1 5 .exd6 and now 1 5 . . .�xd6 would give Black very good play with his pressure on the long diagonal.

13 ... tLlc5 14.e5 dxe5 Black also fails to equalize after: 1 4 ... tLlg4 1 5.exd6 exd6 1 6.h3 lLle5 (worse is 1 6 . . . lLl f6 1 7.dxc6 bxc6 1 8.lLld4! with a clear advantage) 1 7.lLlxe5 �xe5 1 8.�e3;t 1 5.ttJxe5 cxd5 1 6.cxd5 irs 17.,te3 White is slightly better, with the main point being that Black cannot play 17 . . . �c8? in view of 1 8.lLlc6! bxc6 1 9.�xc5 with a winning position. C) 8 ... liJb4 Black wants to check if the white queen has a good retreat square:

1 1 ...c6 1 2.a3 ttJa6 Now I believe White should play modestly:

9.'I1Bd2 I believe this is the only way to fight for an advantage. Instead 9.�b l looks quite strange, and Black can even afford to move his knight back with 9 ... lLlc6.

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9 ... ttJc6 If 9 ... c5?! then 1 0.d5 and the knight is absolutely useless on b4, and ofcourse 1 0 ...�f5 ? does not work: 1 1 .lLlh4 lLlc2 1 2.lLlxf5 lLlxal 1 3.lLlxg7 <j;Jxg7 1 4.b3 Black loses the knight and her position is hopeless, Harika - Zenyuk, Beijing (blitz) 2008. 10.b3 The question is whether White's queen is more useful on d2 than on d l . The answer is Yes! as you can see from the following lines: 10 .. J'3b8 1 1 .ib2 b5 12.cxb5 axb5 1 3.d5 ttJa7 The main difference with having the queen on d2 is clear in the line: 1 3 ... lLla5 1 4.lLld4 b4 1 5.lLld 1 ! The knight has a good square on d l ! White is clearly better here.

17.ttJc2!± This would win the b4-pawn immediately. D) 8 ...id7 One of the critical continuations.

9.d5 ttJb4 10.�dl Instead 1 0.'&d2 a5 1 1 .lLld4 '&c8 is perfectly playable for Black. lO ... a5 Here I analysed for a long time and decided to go for a new concept:

14.ttJd4 b4 Black has also tried 1 4 ... �d7, but after 1 5J'hc l 13b6 1 6.h3 e6 1 7.e4 he failed to equalize in Solozhenkin - Oney, Bethune 2000. 1 5.ttJdl id7 1 6J'3cl ttJb5 In Carlsen - Kasimdzhanov, Moscow (blitz) 2007, White overlooked a simple move (of course Carlsen would spot this in a game with a normal time control) :

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1 l .a3!? The main theoretical continuation is 1 1 .e4 e5 1 2.lLlel when the knight is heading for d3, from where it will support White's play on the queenside. However, the following game looks rather convincing and leads to good play for Black: 1 2 ... b6! This allows Black to solve the ptoblem of his b4-knight. 1 3.13b l lLla6 1 4.a3 lLlc5 1 5.b4 axb4 1 6.axb4 lLla4 Usually if Black finds a good use for his queenside knight (such as exchanging it) then he should be alright, and this position is no exception. 1 7.lLlxa4 13xa4 1 8.lLld3 '&a8 Black was fine in Bukal Fedorov, Croatia 2005. White also achieves nothing after 1 1 .�e3 e5 1 2.dxe6 �xe6 as in Votava - Khalifman,

Chapter 2 5 - 6 . . . lLlc6 & 7 . . . a6 Fuegen 2006. It is very important that now the black knight can retreat to c6 after l 3.a3.

1 1 ...ltJa6 1 2.ie3 c6 If Black continues by analogy with I I .ie3 by playing 1 2 . . . e5 then after 1 3.dxe6 ixe6 14.lLld4 White obtains serious pressure. Here we can see why it is important to insert 1 1 .a3 - with our move order the knight was forced to a weak square on a6. I prepared I I .a3!? as a novelty for this book and tested it in the game Avrukh - Bitensky, Israel 2009. Black replied with I 2 ...'lWc8 and then after: 1 3.id4 ih3 1 4.e4 ixg2 I S.'it>xg2 eS 1 6.dxe6 'lWxe6 I nk l White already had a comfortable space advantage, and Black's next move starts a misguided plan: 1 7 ...ih6? 1 8 .lLld2 lLlg4 1 9. h3 lLle5 20.f4 lLld3 Now I mistakenly chose 2 1 .lLld5 allowing 2 1 . ..f5, when instead 2 l .fS!N 'lWd7 22.lLldS would give White a devastating attack.

1 3.id4 cxdS I also analysed 1 3 . . . c5 1 4.ie3 lLlc7 1 5.a4 (Black intended to play I S . . . b5). It is important that l S ... eS 1 6.dxe6! is clearly in White's favour: 1 6 . . .ixe6 17.if4 lLlfe8 1 8.'lWb3 White still has pressure.

8 7 6 5 4 3 2 1

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An important detail is that after exchanging dark-squared bishops White will have chances of seizing the initiative on the kingside.

1 4... ltJxdS l S.cxdS� There is nothing badly wrong with Black's position, but I prefer White's chances. E) 8 .. if5 .

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9.e4 ig4 With this idea Black tries to undermine the white queen's position, but it appears she is not doing so badly on d3. 10.ie3 The alternative plan is 1 O.d5 ixf3 I l .'lWxf3 lLld4 I 2.'lWd l c5 ( l 2 ... lLld7 l 3.ie3 c5 1 4.dxc6 lLlxc6 leads to the same type of position) 1 3.dxc6 lLlxc6 with very complex play, but I believe this position should be perfectly playable for Black. 10 ... ltJd7 Black intends to fight for the d4-square by playing ... e7-eS.

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l 1 .ltJel After seriollsly investigating this position I came to the conclusion that the text is White's best try for an advantage. I would also like

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to mention that I I .h3 leads to thematic play after I l ...Axf3 1 2.Axf3 e5 1 3.d5 ltJd4 1 4.ig2 c5 1 5.dxc6 bxc6 1 6.b4 when the position was double-edged in Ki. Georgiev - Du. Popovic, Serbia 2006.

1 1 ...e5 It makes no sense for Black to play l l ...ltJb6, as White can comfortably continue with 1 2.f3 Ad7 1 3.'t:k2 covering the d4-square.

Mission accomplished; the d4-knight is gone and now White can start to play on the queenside.

1 6 ... a5 17.a3 Using the fact that 1 7 . . . a4 is impossible. 17...f5 1 8.b4 ttJa6 1 9J'hbl I believe White's prospects are brighter. F) 8 ...e5

12.d5 ttJd4 1 3.£3 ttJc5 14.Wfdl ic8 Unfortunately for Black, he cannot retreat his bishop to d7: after 1 4 . . . Ad7? 1 5.b4 his knight is trapped on c5.

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9.dxe5 Defini telythe most challenging con tinuation; I do not believe Black has any problems after 9.d5 ltJb4 1 0.Wd l a5.

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1 5.ttJc2!N This is a clear improvement over the inaccurate 1 5 . b4 ltJ d7 when it appears White cannot remove the d4-knight without making a concession. 1 6.Ei:b 1 Now Black gets counterplay on the queenside. (The point is that the obvious 1 6 . ttJc2 is met strongly by 1 6 . . . a5 1 7.a3 axb4 1 8.axb4 Ei:xa l 1 9.1tJxa l ttJb6 20.Wd3 f5 with good play for Black.) 1 6 . . . a5 1 7.a3 axb4 1 8.axb4 This is Stefanova - Paehtz, Heraklio 2007, and now 1 8 ... ttJ b6!N would bring Black rich counterplay. 1 5 ... ttJxc2 16.Wfxc2

This is Black's main move according to theory.

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9 ... dxe5 The knight recapture is less popular and rightly so: 9 ... ltJxe5 1 0.ltJxe5 dxe5 I l .Wxd8 Ei:xd8 1 2.Ag5 Black experiences significant problems, due to the following line: 1 2 . . . Ei:e8 Instead 1 2 . . .Ei:d4 looks all wrong, as after 1 3.b3 the rook is obviously misplaced in the centre: 1 3 . . . c6 1 4.ltJa4 with unpleasant pressure.

Chapter 2 5 - 6 . . . tZk6 & 7 . . . a6 1 3.tt:ld5 tt:lxd5 1 4.cxd5 The c7-pawn is a clear target of attack. 1 4 .. .f6 Other moves look inferior: 1 4 ...�d7 1 5.l'!acl l'!ac8 1 6.d6! cxd6 1 7.�xb7 l'!xcl 1 8.l'!xc l l'!b8 1 9.1'!c7 �e6 20.b3 a5 In Matjushin - A. Vovk, Ukraine 2006, White should have played 2 1 .�c6! and I do not see any reasonable defence against 22.�d2 winning the a5-pawn. 14 ... e4 1 5 .l'!ac1 c6 1 6.dxc6 bxc6 1 7.b3 gave White a clear edge in T. Cox - Conterno, Coventry 2005 .

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54 � • �j% � �� .. ...� �� "8��""%� . 3 . tZJw� � 2 r�""' m8�� rf W4; �. 1 ,� � . §�/�� '§? "" a b c d f h .../ /.

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1 2.l'!fdl! A very instructive moment. After seriously investigating this position I decided that 1 2.l'!fd l is the best option for White. For a better understanding of this decision, let's have a quick look at White's alternatives.

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If 1 2.tt:ld5 tt:lxd5 1 3.cxd5 tt:ld4! And the arising position is rather double-edged, so the concrete approach does not work. f

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1 5.�e3N This is stronger than 1 5.�d2 �f8 1 6.l'!ac1 �d6 1 7.a3 a5 when Black had a defendable position in Fridman - Bezold, Internet (blitz) 2005. 1 5 ... �f8 1 6.l'!fc l �d6 1 7.�c5 l'!e7 1 8 .l'!c3 White has nagging positional pressure; he will double rooks on the c-file and capture on d6 under favourable circumstances.

lO.Wlxd8 l'!xd8 1 1 .i.g5 Now there is a split between Fl) 1 1 ..J�e8 and F2) 1 1 ...ie6. I also analysed 1 1 ...e4N but Black is still far from equality in the following line: 1 2.tt:ld2 h6 1 3.�xf6 l'!xd2 1 4.tt:lxe4 l'!xe2 1 5.b3!

Fl) 1 1 ...l'!e8

1 2.tt:ld2 This looks flexible, but Black quickly plays 1 2 ... tt:ld4 with the main idea of saving a tempo on . . . h7-h6 by playing ... tt:le6. 1 3.e3 (I tried to improve on White's play with 1 3.c5, but after 13 ... l'!b8 14.tt:lc4 �g4 Black is absolutely fine.) 1 3 ... tt:le6 14.ixf6 �xf6 1 5.b4 In Payen - Croizer, Avoine 2004, Black should have activated his dark-squared bishop with 1 5 ...�g7! followed by 1 6 .. .f5 and 1 7 ... e4.

12 ... h6 13.ixRi .txf6 Black has wasted a tempo on . . . h7-h6, so now is the right moment to play: 14.�d2 �d4 I also examined 14 . . .�e6 1 5.tt:ld5 �d8 1 6.tt:le4. This knight is heading for c5, where it will put additional pressure on Black's queenside. 1 6 ... \tlg7 1 7.tt:lc5 �c8 1 8.tt:lc3! With the positional idea of damaging Black's


410

pawn structure with �xc6. l S . . . lOa5 1 9.b4 lOxc4 20.lOxb7 White is better.

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1 5.c5!?N I believe this is the most challenging continuation. Black can easily solve his problems after 1 5.lOde4 �dS 1 6.lOc5 ;gbS 1 7.e3 lOe6 I S.lOd7 �xd7 1 9.;gxd7 lOc5 20.;gd2. Now in Zugic - Babula, Istanbul (01) 2000, the natural 20 ... e4N would secure Black equal play. 1 5 ... ;gb8 Other options are: 1 5 ... lOe6 1 6.c6! b5 1 7.lOd5 �dS l S.b4 I believe Black's position is very difficult, as he lacks counterplay, while White can slowly improve his position with e2-e3, lOb3 and of course the main positional threat is to play a2-a4 and �g2-f1 , putting real pressure on Black's queenside. 1 5 ...�dS 1 6.lOc4 \t1g7 1 7.;Gd2 looks very unpleasant for Black.

16.4Jd5 id8 17.e3 liJe6 1 8.b4� White is obviously setting the tone. F2) 1 1 ...ie6

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12.4Jd2 h6 1 2 . . . lOd4 This is not so good with Black's bishop on e6. 1 3.;Gfd l c6 Unsatisfactory for Black is 1 3 . . . h6 1 4.�xf6 �xf6 1 5.e3 lOc6 1 6.lOd5!. 1 4.e3 1Oc2 1 5.;gab l ;Gd7 1 5 ... lOb4 was played in Psakhis - Babula, Batumi 1 999, and now Psakhis correctly pointed out 1 6.a3! lOd3 1 7.lOde4 lOxe4 I S.�xe4 f6 1 9.�xf6 �xf6 20.�xd3 with a healthy extra pawn for White.

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1 6.lOb3!N This is my improvement over 1 6.�xf6 �xf6 1 7.lOde4 ;gxd l t I S.;gxd l �e7 1 9.�f1 f5 20.lOd6 b5 when Black was already taking over the initiative in Drasko G. Szabo, Sozina 2004. -

Chapter 25 - 6 . . . ttJc6 & 7 . . . a6 1 6 . . .�xc4 Black cannot play 1 6 . . .�xd 1 t 1 7.�xd 1 ttJd7, as after 1 8.�e4 f6 1 9 .�xf6! he loses material. 17 .�xf6 �xd I t 1 8 .�xd 1 �xf6 1 9 .ttJa5 �e6 20.ttJxb7 �b8 2 1 .ttJc5 �xb2 22.ttJxe6 fxe6 23.�xc6 This endgame is very unpleasant for Black, due to his shattered pawn structure.

13 .ixfU Black has a choice of which minor piece he wishes to collect: F2 1) 13 ...�xd2 or F22) 13 .. .ixfU. .

41 1

17.. J�8d4 I also examined 1 7 . . .f5 when I believe White should not hurry to exchange rooks, but instead calmly execute his plan with 1 8.�fl (if 1 8.�xd2 �xd2 1 9.�c 1 as in Ehlvest Barcenilla, San Francisco 2000, Black could create some counterplay with 1 9 . . . f4! 20.�fl �f5). 1 8 . . . �f6? Black's last move is a blunder that was not exploited in Harika - Borosova, Beijing (rapid) 2008: 1 9.tt:ld5t!N 1his simple tactic would have given White a decisive advantage after 1 9 . . . cxd5 20.�xd2 d4 2 1 .�ad l c5 22.e3.

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F21) 1 3 ...�xd2 This move leads to a strategically dangerous situation for Black:

14.Lg7 Wxg7 I S.Le6! It is important to start with this exchange, as after 1 5.b3 Black can try to avoid White's positional idea with 1 5 ... ttJa5!? instead of the compliant 1 5 ... �ad8, as was played in most games that reached this position. IS ... bxe6 16.b3 �ad8 The most popular answer, but I should also mention 1 6 . . . a5, which has the idea of getting rid ofthe a-pawn. However, Black was in trouble in the following model example: 1 7 .�fd 1 �xdI t 1 8 .�xdl a4 1 9.ttJxa4! �xc4 20.�d2 �e6 2 1 .f3 �f6 22.�c2 �a6 23.�f2 �e7 In Csom - Zimmerman, Hungary 200 1 , if White had played 24.tt:lc5N �a3 25.tt:lxe6 fxe6 26.�e3 Black would have been strategically lost. 17.�fdl Black's position is very hard to defend. White has an easy plan, which includes exchanging both rooks, as the endgame with knight versus bishop would be unpleasant for Black, due to his weak pawns on the queenside.

1 8.�xd2 Both games that reached this posltlon continued with this move, but it is also worth considering 1 8.�fl N �c2 1 9.�dc1 , although in this case Black keeps both rooks on the board with 1 9 . . . �cd2. 1 8 ... �xd2 Now it is obvious that White should play:

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19.Wf1!N 1 9.�c1 is a serious inaccuracy that allows Black to get rid of his weak a-pawn: 19 . . . a5! 20.Wfl a4 2 1 .�d 1 �c2 22.tt:lxa4 �xa2 23.ttJc5 �f5 Black has a defendable position, which he even managed to win in Bocharov - Loskutov, Novosibirsk 2002.

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19 .. J'�c2 20.ttJa4 20.\tle 1 ? might look cool, but 20 . . .ixc4! is a rude awakening. 20...a5 21 .Wel h5 There is not a big difference compared to the main line if play continues: 2 1 ...g5 22.Wd l if5 23.g4 ig6 24.ttJc5 )"gb2 25.f3 22.Wdl ifS 23.h3 g5 24.g4 hxg4 25.hxg4 ig6 26.lLlc5 )"gb2 27.8 White has a clear plan: his king goes to e3, then he plays a2-a4 and the rook gets into the game along the d-file. Of course this is not a forced line, but it shows the general picture of this endgame. White can play for a win without any risk, while Black's defensive task is highly unpleasant.

1 6.cxd5 ttJb4 17.lLlc3 c6 As we can see from the following lines, it is hard for Black to do without the text move: I 7 ...id6 was tried in Grycel - Mista, Wisla 2000. White can reply 1 8.)"gfc 1 N a5 1 9.ttJb5 ttJa6 20.)"gc4 with annoying pressure. 1 7 .. .f5 has a nice tactical refutation: I 8.a3 ttJc2 1 9.)"gac1 ttJd4 20.e3 ttlb5 (probably Black discovered too late that the desirable 20 ... ttJb3 runs into 2 1 .d6! )"gxd6 22.id5t )"gxd5 23.ttJxd5 ttlxc 1 24.ttlxe7t mf7 25.)"gxc 1 Wxe7 26.)"gxc7t followed by 27.)"gxb7 with a winning rook endgame) 2 1 .ttlxb5 axb5 22.)"gxc7 id6 23.)"gxb7 White was two pawns up and winning in S. Atalik - Djukic, Cannes 2007.

F22) 1 3 ...ixf6 14.lLlde4 ie7 1 8.dxc6 lLlxc6

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1 5.ttJd5 ixd5 I also checked 1 5 . . . )"gab8, which has never been tested in practice. I 6.)"gac1 f5 ( l 6 ...ixd5 I 7.cxd5 ttJb4 I 8.ttJc3 c6 I 9.dxc6 leads to the same rype of position as in our main line, with the inclusion of the useful �ac 1 ) 1 7.luxc7 if7 1 8.ttlc3 ixc4 I 9.ttl3d5 ixd5 (otherwise )"gxc6 and ttJe7-c6 is decisive) 20.ixd5t \tlh8 2 1 .ixc6 bxc6 n.b3 White has a clear positional advantage.

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1 9.ttJd5! A very strong move that was found by Dautov. White is only marginally better after I 9.ixc6 bxc6 20.md l f5 followed by ... \tlf7-e6. 1 9 ifS Black has tried to defend this unpleasant endgame in various ways: ..•

Chapter 2 5 - G ... tt:lcG & 7 . . . aG 19 ... WfB 20.ttJbG ElabS 2 1 .Elfc l (White also gained an edge after 2 1 .ixc6 bxc6 22.ltJc4 f6 23.Elac l Elb5 24.Elc2 WeS 25.b3;J; in Cosma Jianu, Romania 2005) 2 1 ...Eld2 This is Roiz - Filipovic, Basel 2006, and now I found a strong line: 22.ixc6!N bxc6 23.Elxc6 ElbdS (if 23 ... Wg7 24.b3 Elxe2 25.Wfl Eld2 26.ttJc4 Eld5 27.Ele1 f6 2S.Elxa6 and White has a winning position) 24.e3 Elxb2 25.ttJc4 Elc2 26.ttJxe5 Eldd2 27.Elxc2 Elxc2 2S.a4 White is a clear pawn up. 1 9 . . .ic5 20.Elac l ia7 2 1 .e3 (White continues to play positionally, although I do not see anything wrong with 2 1 .ltJf6t Wg7 22.i.xc6 Wxf6 23.�xb7 ElabS 24.Elc7!) . 2 1 ...Eld6 22.ttJc3 Wg7 23.ttJe4 Eld5 24.ttJc3 Eld6 25.Elfd l Elxd l t 26.ltJxdl White was better in Filippov A. Zhigalko, Moscow 2004, due ro the superiority of his light-squared bishop over Black's dark-squared one. -

19 ... Eld6 20.Elacl EladS (after 20 ...i.fS 2 1 .ttJb6 EleS 22.i.xc6 bxc6 23.Elfd l EledS 24.Elxd6 Elxd6 25.\t>fl the endgame is difficult for Black due to his weak pawns on the queenside, Zhang Zhong - Ginting, Tarakan 200S) 2 1 .ltJxe7t ttJxe7 22.�xb7 Elb6 23.Elc7 WfS 24.b3 Eld2 25.e3± White ended up a pawn to the good in Shinkevich - Predke, Kazan 2009, because Black cannot play 25 ... Elxa2 due to 26.Eld 1 Ele6 27.EldSt \t>g7 2S.Eldd7 WfS 29.i.g2! and the bishop transfers decisively to c4.

20.ttJb6 Elab8 21 .ixc6 There is no doubt the text move forces a pleasant advantage, but I think White can do even better: 2 1 .Elfd l !N

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With the following illustrative line: 2 1 ...ig7 22.Elac l Elxd I t 23.Elxd J EldS 24.Eld7! Elxd7 25.ttJxd7 e4 26.i.xe4 i.xb2 27.�xc6 bxc6 2S.ttJbS c5 29.ltJxa6 c4 30.\t>fl White's extra pawn should decide the issue.

2 1 . .. bxc6 22.ltJc4� White had a lasting edge V Milov, Essen 2000.

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Dautov -

Conclusion:

The 6 . . . ltJc6 7.0-0 a6 variation is a key line for which White should be well prepared. My recommendation is S.�d3, which is not the most popular line, but I have not selected it to avoid theory - I believe it is the best move. My improvements in the above lines suggest that White can retain an edge, and the main line leads to an endgame where White has an enduring advantage - bad news for King's Indian aficionados.

King's Indian

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6 ... �c6 & 7.. J�b8 Variation Index l .d4 tDf6 2.c4 g6 3.g3 �g7 4.�g2 d6 5.tDc3 0-0 6.tDa tDc6 7.0-0 �h8 8.h3 4 15 415 416 416 417 418 419 420 421 422 424

A) 8 ... e5 B) 8 �f5 C) 8 ... a6 9.e4 Cl) 9 ... e5 C2) 9 ... tDa5 C3) 9 ... tDd7 C4) 9 ... h5 1 0.cxh5 axh5 1 1 .�el!? C41) 1 l ... tDd7 C42) 1 l ... e5 C43) 1 l ... h4 C44) 1 l ... e6 •..

C4 1 ) note to 14 .. c5

B) after 1 l . ..a6

C43) after 1 3 . . . h6

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Chapter 26 - 6 . . . lLlc6 & 7 . . . Ei:b8

l.d4 lLlf6 2.c4 g6 3.g3 �g7 4.�g2 d6 5.lLlc3 0-0 6.lLlf3 lLlc6 7.0-0 Ei:b8 The two main move orders that Black uses to reach the Yugoslav variation are 7 ... Ei:b8 and 7... a6. We have already seen the more popular 7... a6, so now it is time for 7 .. J'%b8 8.h3 Ir is important to understand the difference between this variation and 7 .... a6. If after 7... l'%b8 White continues in (he same way as we do against 7 ... a6 with: 8.�d3 e5 Then this move is good enough for Black. 9.d5 9.dxe5 is absolurely harmless in view of: 9 ... dxe5 1 0.'Wxd8 l'%xd8 1 1 .i.g5 h6! 1 2.i.xf6 ixf6 1 3 .lLld5 ig7 (with the rook on b8 Black should not be afraid of 1 4.lLlxc7, as in this case he will take over the initiative with 14 . . . e4!) 1 4J'%ad 1 i.e6 And due to his bishop pair, only Black can be better, Grabarczyk Markowski, Glogow 200 1 . 9 ... lLlb4 A natural move. 1 0.'Wd1 a5 Securing the c5-square for the knight. 1 1 .e4 i.d7 1 2.lLle 1 'We8 In my opinion Black has a normal King's Indian game. 1 3.a3 lLla6 1 4.lLld3 This is Wang Yue - Inarkiev, Nizhniy Novgorod 2007, and now natural is: 1 4 ...a4 Followed by ... b7-b6 and ... lLlc5, which will give Black a good game. After 8.h3 Black has three main lines: A) 8 ...e5, B) 8 ...�f5 and C) 8 ... a6.

A) 8 ...e5 9.d5 I believe this is the most challenging continuation. Sometimes White goes for 9.id a6, but I am nbt sure abour the position

that arises after 1 0.l'%cl if5 1 1 .g4 id7 1 2.'Wd2 h5! 1 3.dxe5 dxe5 1 4.g5 ltJh7. Black had counterplay in Grischuk - Inarkiev, Baku 2008.

9 ... lLle7 Now 9 ... ltJa5 loses its charm, as the g7bishop is blocked by the e5-pawn. White can simply play 1 0.ltJd2 c5 I l .a3 followed by 1 2.b4, when Black's knight will probably be forced to withdraw to b7. White has an obvious edge. 1 O.e4 Compared with the line 6 ... ltJc6 7.0-0 e5 8.d5 ltJe7 we have the extra moves h2-h3 and ... l'%b8. I am confident h2-h3 is more useful than the rook move. For example, White may often win a tempo with i.d, attacking the a7pawn. One possible continuation is: 1O ... lLle8 1 1 .�e3 a6 12.'lWd2 f5 1 3.lLlg5 fxe4 14.lLlgxe4 lLlf5 15.�g5 White has a pleasant edge thanks to his control over the e4-square, Najdorf Ardiansyah, Manila 1 973. B) 8 ...�f5

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This tricky move has twice been played by I narkiev, one of the strongest King's Indian

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Th e King's Indian Defence

experts. Naturally this posmon closely resembles the 6 . . . ltk6, 7 . . .if5 line (Chapter 23) . Black's idea is to prove that in this line his . . . �b8 is more useful than White's h2-h3. However, I intend to make good use of 8.h3:

White has thematic positional pressure, while the weakening of his position caused by g3-g4 is not relevant.

9.g4! id7 1O.e4 1 0.ie3!? might be an interesting alternative.

This is Black's main choice. The position after 8 . . .id7 9.e4 e5 1 0.ie3 a6 will be examined in the 9 ... e5 variation (line C l ) .

10 ...e5 1 1 .ie3 a6 Now I like a solid positional approach:

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12.�c1N Levon Aronian instead chose a concrete approach: 1 2.dxe5 ttJxe5 1 3.ttJxe5 dxe5 1 4. f4 White won convincingly in Aro n ian - Inarkiev, Khanty-Mansiysk (4) 2007, but I believe Black can improve his play with 14 ...ie6N 1 5.ttJd5 exf4 1 6.ixf4 ttJe8 with a rather double-edged game, as White has seriously weakened his kingside pawn structure. 12 ... b5 If 1 2 ... exd4 1 3.ttJxd4 ttJe5 1 4.b3 c5 1 5.ttJde2 then Black has no time for 1 5 ... b5 because the d6-pawn is hanging, and White will continue with 1 6.f4 putting a lot of pressure on the black position. 13.dxe5 ltJxe5 14.ltJxe5 dxe5 15.cxb5 axb5 16.Wc2 c6 17.�fdl

C) 8 a6 •..

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Now there is a major branching point: Cl) 9 ...e5, C2) 9 ...�a5, C3) 9 ... �d7 and C4) 9 ... b5.

Cl) 9 ... e5 10.ie3 id7 Naturally Black has other possibilities: 1 0 ...exd4 1 1 .ttJxd4 id7 transpose to our main line.

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1 0 ... b5 Ieads to a pleasant positional advantage for White: 1 1 .dxe5 dxe5 ( l l ...ttJxe5 does not change much: 1 2.ttJxe5 dxe5 1 3.cxb5 axb5 1 4.�c2 White is better due to Black's weakened queens ide) 1 2.cxb5 axb5 1 3.�c l ie6 In A. Sorensen - Bogo, Aarhus 1 990, the simple 1 4.b3N, restricting Black's light-squared bishop, would have secured a positional edge.

Chapter 26 - 6 . . . ctJc6 & 7 ... l!b8

1 U'k1 exd4 12.ttJxd4 l!e8 Instead 1 2 ... ctJxd4 also fails to solve Black's problems: 1 3.�xd4 c5 1 4.�e3 �e6 1 5.'lMre2 ctJd7 1 6J!fd 1 'lMre7 1 7.f4 f5 1 8.exf5 gxf5 1 9.�f2 Black was under strong positional pressure in Ippolito - Paragua, Hawaii 1 998.

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This looks quite logical, but the problem is that it allows the following line:

1 3.l!e1 ttJeS Black also has two other options: 1 3 ...'lMrc8 1 4.@h2 Now Black has a typical attacking idea that can occasionally prove dangerous: 1 4 ... l':!e5 I like the following approach for White: 1 5.ctJf3 l':!h5 1 6.ctJh4! Playing against the black rook. 16 ... b5 1 7.cxb5 axb5 1 8.f4 Taking away the rook's potential retreat square. 1 8 ... ctJe7 1 9.b4! Now the rook merely looks misplaced on h5, Arkell - Talbot, Fishguard 2003. 13 ... ctJxd4 1 4.�xd4 �e6 should be met by 1 5.'lMre2 with the better chances for White.

14.b3 cS l S.ttJde2 ixh3 A very nice tactical idea, but it is probably insufficient. Unfortunately for Black 1 5 . . . b5 1 6.f4 ctJc6 1 7.'lMrxd6 b4 does not work in view of 1 8.e5 bxc3 1 9.ctJxc3! l':!e6 20.'lMrd2 ctJe8 2 1 .l':!ed 1 when White is much better.

16.ixh3 ttJf3t 17.'�{g2 lL'lxe1 t 1 8.'lMrxe1 ctJxe4 19.1L'lxe4 �xe4 20.'lMrd2 bS In Ignacz - Borosova, Olbia 2008, White could have gained a clear advantage with a simple manoeuvre: 21 .ttJc3N l':!e8 22.ttJdS White's two minor pieces are much stronger than Black's rook. C2) 9 ... ttJaS 1O.'lMre2 bS

f g l 1 .eS ttJe8 12.cxbS axbS 1 3.b4! A very important resource.

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1 3... ttJ c6 Black cannot play 1 3 ... ctJc4, as after 1 4.a4 c6 1 5 .axb5 cxb5 1 6.ctJxb5! he loses a pawn, Pigusov - Gleizerov, Voronezh 1 988. 14.l!d1 Also very interesting is 14.a3. For example: 1 4 ... dxe5 1 5.dxe5 ctJd4 1 6.ctJxd4 'lMrxd4 This looks challenging, but White has a fine answer: 1 7.ctJd5! 'lMrxa 1 ? ( 1 7 . . .'lMrxe5 would avoid immediate disaster) 1 8.ctJxe7t @h8 1 9.�b2 'lMrxfl t 20.'lMrxfl �e6 2 1 .ctJc6 l':!b6 22.�d4! In P.H. Nielsen - N.v Pedersen, Denmark 2009, Black was dead lost. 14 ... ttJxb4 Otherwise Black will suffer under strong positional pressure. lSJ'�b1 ttJc6 In N. Pert - Heinrich, Bunratty 2008, the correct route to an advantage was: 1 6.l':!xbSN ia6 17 .�xb8 ttJxb8 1 7 . . .�xe2 1 8.l':!xd8 ixd 1 1 9.1':!xe8 l':!xe8 20.ctJxd 1 ± cannot be acceptable for Black.

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1 8.'lWc2 White is beuer, thanks advanrage.

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his space

C3) 9 llJd7 ...

This is best met by:

1 7.'lMfd2!N Auacking both the h6- and b4pawns. 1 7 . . .ixa4 1 8.bxa4 �h7 1 9.e5! White is beuer, as the e5-pawn is poisoned due w the following variation: 1 9 ... dxe5 20.dxe5 lUxe5? 2 1 .lUxe5 ixe5 22.l'%c5! ic3 23.'lMfxd8 l'%fxd8 24.l'%fl lUb7 25.l'%xc7 lUd6 26.a5 With a winning position. 1 0 . . . lUa5 1 1 .b3 c5 1 2.l'%c 1 lUc6 White creates strong pressure after 1 2 . . . b5 1 3.cxb5 axb5 1 4.dxc5 dxc5 1 5.lUd5 lUc6 1 6.'lMfd2. 1 3.d5 lUa5 I also examined the natural-looking 1 3 ... lUd4 14.lUxd4 cxd4 1 5.lUe2 h6 1 6.id2 b5. Here the play becomes very concrete, as Black is close w gaining counterplay, but White retains an edge with precise moves: 1 7.cxb5 l'%xb5 (or 1 7 ... axb5 1 8.ib4 'lMfb6 19.'lMfd2 gives White a positional edge) 1 8.l'%c4 'lMfb6 1 9.b4! 1 4.lUe2 b5 1 5.id2 'lMfb6 1 6.'lWc2 White has neutralized Black's activity on the queenside and enjoys a pleasant advantage, Drozdovskij - Dembo, Differdange 2008.

10 ... h6 Oilier possible moves are:

1 1 ..te3 b5 Two other options are:

1 0 ... b5 I l .cxb5 axb5 1 2.l'%c 1 h6 1 3 .ie3 lUa5 1 4.b3 Ir is essenrial w cover the c4-square. 1 4 ... b4 1 5.lUa4 ia6 1 6.l'%e l ib5 Now in Wisniewski - Szoen, Frydek Mistek 2004, instead of the modest 1 7.lUb2, White should have played the principled:

1 1 . ..e5 1 2.l'%c1 I believe this is stronger than 1 2.d5 lUe7, which allows Black w create a clear plan. 1 2 ... exd4 1 3.lUxd4 lUde5 1 4.b3 lUxd4 1 5.ixd4 c5 16.ie3 lUc6 In Ataman - Erdogdu, Turkey (ch) 2008, White could have played simply: 8 7 6 5 4 3 2

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Chapter 2 6 - 6 . . . tLlc6 & 7 . . . l!b8 17.�d2N ttJd4 Or 1 7 ... c;i{h7 l S.gfd1 ttJd4 1 9.ttJe2!. l S.ttJe2! There is no point in White embarking on the line l S.�xh6 �xh3!. lS . . . ttJxe2t 1 9.�xe2 White has an obvious positional advantage due to the weak d6-pawn. 1 1 ...ttJa5 1 2.b3 c5 As always, this idea is not good enough to gain real counterplay 1 3.�d2 c;i{h7 1 4.gac1 ttJc6 This position occurred in Fernandez Lopez Perez AJeman, Badalona 1 993. Black intends 1 5 . . . e5 which migh t lead to a closed and unclear position, so I propose the following improvement:

8 7 6 5 4 3 2

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been examined in the 1 O . . . b5 line, but White also has another interesting idea:

13.�cl !? �h7 14.ttJxbS �a6 Black decides to engage in a tactical clash, but it ends in White's favour, so the lesser evil was 1 4 . . . gxb5 1 5.�xc6 gxb2, even though after 1 6.gfc 1 White is slightly better. 1S.a4 �aS 16.�c3 c6

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17.l!fd1! ttJcS 1 7 . . . cxb5 does not help Black: l S.axb5 gxb5 1 9.b4!±

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1 5.d5N ttJa5 1 6.�d3 Now if Black tries to play on the queenside with: 1 6 ... b5 It does not work, as after: 1 7.cxb5 axb5 l S.ttJxb5 �a6 1 9.a4 Black cannot play: 1 9 . . .�b6 In view of: 20.b4! With a clear advantage.

12.cxbS axbS Certainly White can continue with 1 3.gc 1 , which would transpose to a position that has

1 8.�d2 cxbS 19.axbS l!xbS 20.�f1 ! l!b8 21 .ha6 ttJxa6 22.l!xaS White was a clear pawn up in Goldin Smirin, Philadelphia 1 996. C4) 9 ...bS This is by far Black's most popular choice.

1O.cxbS Recently, more and more White players have been switching to this move, while after 1 0.e5 dxe5 1 1 .dxe5 �xd l 1 2.l!xd 1 ttJd7 Black stands quite well. 10 ...axbS 1 1 .l!e1!?

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The most challenging move. This leads us to the initial position ofour line and now Black has to decide between four main continuations:

8 7 6 5 4 3 2 1

leads to a very unpleasant position for Black) 1 6.tLlxe5 dxe5 1 7.'lWxd8 :gxd8 1 8.tLld5 White wins a pawn.

14.b3 The c4-square must be taken away from Black's knight.

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The variations we will study are: C41) 1 1 ...tDd7, C42) 1l ...e5, C43) 1l ...h4 and C44) 1 l ... e6. But first a minor line must be dealt with: 1 1 ...id7 This allows White to place his pieces very comfortably. 1 2.e5 tLle8 1 3.if4 The position is clearly in White's favour, for instance: 1 3 ... tLla5 1 4Jk1 b4 1 5.tLld5 c6 In C. Powell - M. Davis, corr. 1 993, White could have played: 1 6.exd6N exd6 1 7.tLle7t Wh8 1 8.b3 With a clear positional advantage.

1 4...c5 The alternative is: 1 4 . . . b4 Now the position resembles one that was examined in the 9 ... tLld7 variation (line C3), but White has an even better version, as Black cannot win a tempo with ...ia6. 1 5.tLla4 I believe the alternative retreat 1 5.tLle2 is also worth considering. The only game to reach this position continued: 1 5 ... c5 (I believe more critical is 1 5 ... ib7 and in this case White has to accept the challenge and play 1 6.'lWd2 ixe4 1 7.ixh6 with a very complicated game) 1 6.:gc 1 ia6 1 7.dxc5 dxc5 1 8.ixc5 tLlxc5 1 9.'lWxd8 :gfxd8 20.:gxc5 tLlb7 2 1 .:gc6 Black failed to get sufficient compensation in Magerramov - Ezat, Abu Dhabi 2003. 1 5 ... tLlf6 I also examined 1 5 ...ib7 1 6.'lWc2 c5 1 7.dxc5! ixal 1 8.:gxa 1 and White has powerful compensation for the exchange. Here we can see the advantage of playing ig5, as now the h6-pawn is hanging.

C41 ) 1 l ... tDd7 1 2.ig5 As in almost every case, I prefer this move to moving the bishop to e3 directly.

1 2 ... h6 13.ie3 .!Da5 Black has also tried 1 3 ... e5 1 4.:gc1 tLla5. In Fominyh - Kochetkov, Alushta 1 994, White could have gained a clear advantage with: 1 5.dxe5! tLlxe5 (or 1 5 ... dxe5 1 6.b3! also

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Chapter 26 - 6 . . . ctJc6 & 7 .. J%b8 This position was reached in Sturua Hasanov, Moscow 1 979, and now I found a nice improvement: 1 6.Wc l N �h7 1 7.Wc2 c6 I B.ctJb2 It is essential for White to control the ... c7-c5 advance, as if it does not work then Black has serious difficulties creating counterplay.

lS.Wd2 �h7 16J'!ac1 White has arranged his pieces optimally. 16... �c6 Also 1 6 ... c4 1 7.b4 ctJc6 I B .a3t does not solve all Black's problems. 17J'!edl b4 1 8.tLle2 \WaS It seems as though Black is very close to getting a decent game, but White has a surprising resource that allows him to keep the initiative.

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The main point of White's idea can be seen in the following line: 1 9 ... cxd4?! 20.ctJexd4 ctJcxe5 2 1 .ctJxe5 tLlxe5 22.f4 And after the black knight retreats 23.ctJc6 will be decisive.

20.e6! fxe6 2 1 .dxcS ib7 22.tLlf4 White was attacking strongly in Vennemann - H. Simon, e-mail 200 1 . C42) l 1 . ..eS This is quite a playable move, as long as Black is ready to defend the slightly inferior position that arises after: 8

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1 2.dxeS Not dangerous for Black is 1 2.d5 b4! 1 3 .tLla4 CiJe7 as ...c7-c6 is on the way.

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1 9.eS! :gd8 This is a serious error that allows White's initiative to grow even more dangerous. Stronger was 1 9 . . .dxe5 20.ctJxe5! (20.dxe5 1'!dB! is not clear) 20 ... tLlcxe5 2 1 .dxe5 1'!b6 22.f4 and White is better positionally, as he has managed to restrict Black's dark-squared bishop.

1 2... llJxeS The alternative does not bring Black relief either: 1 2 ... dxe5 1 3.�g5 Wxd 1 1 4.1'!axd1 ctJeB 1 5.CiJd5 f6 1 6.�e3 White was better in D. King - Levitt, Britain (ch) 1 9B9. 13.�xeS dxeS 14.ie3 ie6 If 1 4 ... c6 then White has a strong answer: 1 5.a4 bxa4 ( l 5 ... b4 is dubious, because 16.WxdB 1'!xdB 1 7.CiJb 1 �fB 1 B.1'!c l leads to a strategically difficult position for Black) 1 6.CiJxa4 �a6 1 7.Wc l t White keeps annoying pressure.

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1 5 ..ia7 The text is probably White's best option, as the natural-looking 1 5.ltJd5 is not dangerous for Black after: 1 5 ....ixd5 (Certainly 1 5 . . . c6 would be an unfortunate decision as after 1 6.ltJb4! White is clearly better; the c6pawn is a definite target.) 1 6.exd5 e4 1 7.�g5 h6 I B.�xf6 \wxf6 1 9.1"lb l 15 ... l"lb7 16. .ic5 Wixdl 17.l"lexdl l"la8

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1 8.ltJd5 tiJd7 19 ..ie3 .ifS 20.a3 White retained a slight edge in P. Nikolic McShane, Germany 2007. C43) 1 1 ...b4 12.�d5 Another important position in this line.

1 2 ... �d7 Black has a range of other options, of which the final one is especially important: 1 2 ...�d7 1 3.ltJxf6t The simplest path to an advantage. 1 3 . . . exf6 Much worse is 1 3 . . .�xf6 1 4.�h6! �g7 (if 14 ... l"leB 1 5.e5 �hB 1 6.l"lc 1 and White has total domination) 1 5.�xg7 �xg7 1 6.l"lc1 ltJa5 17.\Wd2 and White was much better in Wirig - Habibi, Calvia 2007. 1 4.�f4N This natural move improves on 1 4.d5, which was played in Sisniega - Zapata, Seville 1 992. 1 4 . . .l"leB 1 5.l"lc1 t White has a very pleasant game. 1 2 ... e6 This is certainly not the best option, as it allows White a very clear plan: 1 3.ltJxf6t �xf6 14.�h6 �g7 1 4 . . . l"leB does not change much: 1 5 .e5 was good for White in R. Byrne - Perez Perez, Mar del Plata 1 96 1 . 1 5.�xg7 �xg7 1 6.l"lc 1 ltJe7 17.\Wc2 c6

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This is Profumo - Bonanno, Milan 200B, and now: 1 B.e5N White has good attacking chances as Black will miss his dark-squared bishop.

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Chapter 26 - 6 . . . lLlc6 & 7 . . . E!b8 1 2 ... lLlxd5 Finally we get to a critical line! 1 3.exd5 lLla5 14.�g5 !!e8 1 5 .E!c1 E!b5 1 6.lLlh2 b3 Just as relevant is 1 6 ...�d7 1 7.�d2 f6 I B.�f4 e5 1 9.dxe6 !!xe6 20.!!xe6 �xe6 2 1 .�e2 �d7 22.h4 and White was obviously better in D. King - Gruenberg, Budapest 1 9B6. 17 .�d2! bxa2 This interesting position was reached In Urban - T. Petrosian, Warsaw 2005, and now it is not obvious why White avoided the following natural variation: 1 B.b4N lLlb7 1 9.�a4 id7 20.�xa2 ixd4 2 1 .�c4 �g7 Black could not afford to remove his bishop from the long diagonal, as after 2 1 .. .�b6 22.lLlg4! White's attack is too dangerous. 22.�xc7± Black's misplaced knight on b7 makes a difference.

1 3.ig5 h6 If 1 3 . . .�b7 then after 1 4.�d2 the combination of the g5-bishop and d5-knight creates irritating pressure on Black's position.

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14.�e3 e6 1 5 .lLlf4 e5 1 6.lLld5 exd4 1 7.lLlxd4 lLlxd4 1 B.�xd4 lUe5 1 9.f4 c5 20.�f2 This is Lputian - Erdogdu, Heraklio 2007, and here the accurate 20 ... lUd7N 2 1 .�d2 !!eB would lead to a double-edged game. In ChessBase Magazine 104 Stohl suggested 1 4.�c1 was a strong move. In fact the position is far from clear after the pretty forced variation: 14 ... hxg5 1 5.�xc6 e6 1 6.lUxc7 !!b6 1 7.�c2 �b7 I B .!!ac 1 !!c6 1 9.�xc6 �xc6 20.!!xc6 �b8°o

14 hxg5 Another important line is: 1 4 . . . �b7 1 5.!!xc6 hxg5 1 6.lUxb4 �aB (I also examined 1 6 ... e5 1 7.d5 lUc5 I B .�c2 when White is clearly better. Black is not really threatening to take on c6, as after the knight recaptures, Black can hardly stop White's a-pawn.) 1 7.!!c4 c5 I B.dxc5 dxc5 (after I B . . . lUxc5 1 9.�d2 �a5 20.!!e2! Black has nothing in return for being a pawn down) 1 9.1Lld3 �xb2 20.lUxc5 lUxc5 2 1 .!!xc5 �xd1 22.!!xd 1 White keeps his extra pawn and a clear edge. ••.

1 5Jhc6 h3 1 5 . . .�b7 would transpose to the 1 4 ...�b7 line above. 16.axh3 ib7 17.E!c2 This move is stronger than 1 7. lU b4 �aB 1 B .!!c4 c5! 1 9.dxc5 lUxc5� when Black has reasonable compensation.

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14Jkl!?N I think this concrete approach is White's best chance of an advantage. The other options did not impress me much:

17 ... c6 18.lLlc3 c5 After 1 B ...�b6 White can give up his extra pawn to develop an initiative: 1 9.e5 �xb3 20.lUe4! Then White will also win Black's g-pawn. 19.dxc5 �xc5 20.b4! ixc3 21 .bxc3 liJxe4 At first sight it seems Black has managed to solve all his problems, but his g5-pawn is weak

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and this allows White to gain an advantage with direct moves:

22.4Jd4 d5 Another line runs: 22 ... lDf6 23.Wd2 e5 (the main point is that after 23 . . .g4 24.hxg4 lDxg4 White has the strong 25.We2! winning the e7-pawn) 24.lDc6 ixc6 25.ixc6 g4 26.hxg4 lDxg4 27.1'l:d l !± Black has to give up his d-pawn. 23.c4 e5 23 ... e6 24.b5 leaves White with a pleasant advantage. 24.4Jb3 f5 Black eventually loses a pawn after 24 ... lDf6 25.lDc5±.

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25.ixe4 fxe4 If instead 25 ... dxe4 then 26.Wxd8 1'l:fxd8 27.b5 and White's two passed pawns should decide the game.

This is White's best option; Black is absolutely fine after 1 2.e5 dxe5 1 3.lDxe5 lDxd4 1 4.ie3 c5 and 1 2.d5 lDa5 seems very unclear to me.

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1 2 ... b4 1 3.ttJe2 ib7 Black has also tried another bishop move: 1 3 ...id7 In this case White should continue 1 4.lDf4 by analogy with our main line, creating the idea of an e4-e5 advance. 14.ttJf4 This seems to be White's best option, as Black can easily improve after 1 4.ig5 h6 1 5 .id2 as in Greenfeld - Hebden, Dublin 2008. Now after 1 5 ... lDe7 1 6.lDcl (An important line arises after 1 6.lDf4 g5 and now after the fairly forced consequences 1 7.e5 gxf4 1 8.exf6 ixf6 1 9.ixf4 lDf5 20.g4 ixf3 2 1 .gxf5 ixg2 22.'it>xg2 ig7 the position is very complicated.) 1 6 ... Wd7 Black's idea is 1 7 ...Wc6. 14 ... ttJd7 Black has other options as well, but none of them seem good enough:

26.ttJa5 d4 27.ttJxb7 �hb7 28J'he4 �hb4 29J�xe5 d3 30JU2 Wb6 3 U�b5 �hb5 32.cxb5 Wxb5 33J�xd3 White should win.

1 4 ... e5?! is positionally dubious, as after 1 5 .dxe5 dxe5 1 6.lDd3! 1'l:e8 1 7.lDc5 White has exactly what he wants: clear positional pressure, Blazik - Camper, corr. 1 999.

C44) 1 1 ...e6 1 2.Wc2

14 ... g5?! This obviously weakens the black king. 1 5.lDd3 h6 1 6.id2 g4?! Certainly it

Chapter 26 - 6 ... iDc6 & 7 . . . �b8 was better not to weaken the kingside even more. 1 7.hxg4 iDxg4 In Szekely - Pecorelli Garcia, Havana 200 1 , White had the strong 1 8.d5 iDd4 1 9.iDxd4 �xd4 20.�h3!± with an obvious advantage.

lS.dS!? An interesting try, but it was also worth considering not clarifying the position and just developing normally with 1 5.�e3. lS ... exdS 16.liJxdS �e8 17 ..igS 'lWe8 Black cannot solve his problems tactically: 1 7 ... ttJd4 1 8.ttJxd4 Wxg5 1 9.1tk6 �xc6 20.Wxc6 White has significant pressure.

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Black's pieces are very active and he has fine compensation.

22 ...hf6 23.hf6 liJed3 After 23 . . . ttJcd7 24.�xe5 gaxe5 25.Wxb4 White stays a pawn up. 24.'lWh6 liJe6 This interesting position was reached in J. Horton - Vorobiev, e-mail 2006. White has various tempting lines and one very strong option is: 2S.liJg4!N

1 8.�ac1 The following encounter was a very exciting battle: 1 8 ... �a8 19.b3 �aS 20.'lWd2 liJeS 21 .liJh2! A fine attacking idea - the knight is heading for g4, from where it will help launch a strong offensive. 2 1 ...liJeS White is also better after 2 1 ...h5 22.�f6, due to the weakness of Black's b4-pawn.

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2S ... �hS 25 . . . ttJxe l 26.�b2 leads to an immediate disaster. 26.'lWd2 liJxe1 27J�xel White's powerful attack more than compensates for Black's material advantage. Conclusion:

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22.liJf6t! White plays for an attack. He could grab a pawn with 22.ttJxb4, but after 22 ...Wa8 all

The first point to note is that the 7 ... �b8 line requires a different answer from White than the related 7 ... a6 system. In this case I recommend 8.h3. The critical variation is line C4: 8 ... a6 9.e4 b5 1 0.cxb5 axb5 when I believe l l .ge l !? offers White good chances.

King's Indian

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6 ... c6 Variation Index l .d4 lL1f6 2.c4 g6 3.g3 i.g7 4.i.g2 0-0 5.lLIc3 d6 6.lLIB c6 7.0-0 A) 7... lLIa6 B) 7 �b6 C) 7 ... i.f5 8.lLIel Cl) 8 ... e5 C2) 8 ...i.e6 D) 7 ...a6 E) 7...i.g4 F) 7 ... �a5 8.e4 Fl) 8 ...i.g4 9.h3 i.xf3 1 0.i.xf3 Fl l ) 1 O lLIbd7 F 1 2) 1 0 ... lLIfd7 F 1 3) 1 0... e5 F2) 8 ...�h5 F3) 8 ... e5 9.h3 F3 1) 9 ... exd4 F32) 9 ... lLIbd7 10J:�el F321 ) 10 .. J:�e8 F322) 1 O exd4 ••.

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l.d4 �f6 2.c4 g6 3.g3 .tg7 4..tg2 0-0 S.ltJc3 d6 6.�f3 c6 Black keeps a great variety of options open with this flexible move. 7.0-0

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This is the basic starting position of the present chapter. Black's main options are as follows: A) 7... ltJa6, B) 7 ... Wfb6, C) 7 if5, D) 7...a6, E) 7....tg4 and F) 7 WfaS.

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he now appears to have given it up may tell us something about its objective merits . . .

8.e4 eS Other options are not very attractive for Black: 8 ....tg4 Despite the fact that in 200) out of 2 1 games White opted for the natural 9.h3, I still prefer: 9 ..te3 The idea is to continue normal development by means of 'IWd2, without wasting time on h2-h3. I only found one practical example, which continued: 9 ...'lWd7 1 0.1"i:e1 Ci:Jc7 We can see the point of White's previous move after 1 0 ....th3 l 1 .e5! ixg2 1 2.�xg2 Ci:Jg4 1 3 . .tf4 dxe5 14.dxe5 and Black's knight is obviously misplaced on g4. This position occurred in Schmitz - Suedel, Corr. 1 986.

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7 ...ltJbd7 8.e4 e5 takes us to Chapter 28 or 29. 7 ...ie6 This thematic move does not make much sense in this particular situation. White gets better chances with simple play: 8.d5 cxd5 9.cxd5 ig4 If 9 ...id7 I suggest 1 0 ..te3 Ci:Ja6 l 1 .id4 'lWa5 1 2.e4 with better chances. 1 0.Ci:Jd4 Ci:Ja6 l 1 .h3 id7 1 2 ..te3 Ci:Jc5 Krueger - Tarde!, Germany 2002. Here I recommend: 1 3.b4!?N Ci:Ja6 1 4 .'lWb3 White's spatial superiority gives him a definite edge.

A) 7... ltJa6 This move has been played a few times by Viore! Bologan, a King's Indian expert. The fact that

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l 1 .e5!N This would have given White excellent chances, for instance: 1 1 ...dxe5 1 2.Ci:Jxe5 ixd 1 1 3.Ci:Jxd7 Ci:Jxd7 14.1"i:axd 1 With a stable advantage thanks to the bishop pair. 8 . . . ltJc7 9.h3 1"i:b8 This is a rather slow plan, which allows White to obtain better prospects by simple means.

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1 0.a4 a6 1 1 .a5 d5 After 1 1 . . .lLld7 1 2.ie3 e6 1 3.Wd2 Black has a very passive position and his attempt to get some counterplay on the queenside backfired: 1 3".b5 1 4.axb6 lLlxb6 1 5.b3 lLld7 1 6.!'i:fb l and Black only succeeded in creating weaknesses in his pawn formation, Bui Vinh - Duong Thuong, Dong Thap 2004. 1 2.e5 lLld7 1 2" .lLle4 1 3 .lLla4 does not solve Black's problems either. 1 3 .We2 b5 Guldberg - Em. Petersen, Aalborg 1 995. I do not see any point in opening any lines on the queens ide, and thus recommend:

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1 4.c5!N This seems pretty obvious. Here is an illustrative line: 14".lLle6 1 5.id2 !'i:e8 1 6.lLla2! Heading for the ideal b4-square. 1 6".f6 1 7.lLlb4 ib7 1 8.exf6 exf6 1 9.!'i:fe l White's chances are clearly higher, especially in the long term, as Black is tied to the defence of his a6- and c6-pawns.

9.h3 This is a standard prophylactic move. White not only prevents a possible ".ig4, but also secures the e3-square for his bishop. 9 Wb6 ...

This is Black's main idea. He wishes to exert pressure in the centre, while inhibiting the development of the c l -bishop, which must stay at home at least temporarily in order to guard b2. After 9".exd4 1 o.lLlxd4 !'i:e8 1 1 .ie3 lLlc5 1 2.Wc2 we reach a well known position, that will be examined via the 6".lLlbd7 move order in Line 02 of Chapter 28.

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l O .. exd4 We should also consider 1 0" .!'i:e8 In this case I recommend the thematic: 1 1 .d5 Blocking the centre often proves an effective response to the rook's arrival on e8. With the centre closed, Black's last move becomes worse than useless as the rook would prefer to be on f8 to support the ".0-f5 break. 1 1 " .id7 Not the most accurate, but even after the superior 1 l ...cxd5 1 2.cxd5 id7 1 3.!'i:b l ! White gets a favourable position, thanks to the misplaced queen on b6. 1 2 .ie3! White seized the opportunity to develop with gain of tempo in Barsov - Gofshtein, .

Chapter 27 - G . . . cG Hoogeveen 1 999. Black was forced to retreat to c7, as after 1 2 .. :�xb2? 1 3 .lZla4 'l&a3 1 4 ..ic l �b4 1 5 ..id2 'l&xc4 (or 1 5 . . .'I&a3 1 GJ:%e3) 16 ..ifl Black's queen is trapped.

1 1 .ttJxd4 �e8 There are a few other options: 1 l . . .ttJd7 Now I found a new concept for White.

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1 l ...ttJg4 1 2.hxg4 'l&xd4 The alternative does not solve Black's problems either. 1 2 ... .ixd4 1 3 . .ie3 .ixe3 1 4.�xe3 .ie6 (The b2-pawn is untouchable: 14 ...'I&xb2? 1 5.�bl 'l&a3 1 6.tLJa4 'l&xa2 1 7 ..ifl ! and Black is helpless against the coming �al or �b2) 1 5.b3 ( l 5 ..ifl !? �ad8 1 6.�b 1 followed by b2-b4 comes into consideration as well) 1 5 ... �ad8 1 6.'I&e2 tLJc5 This position occurred in Medic Rogic, Bled 1 997, and now I like 1 7.g5N ttJd7 1 8.f4;1; with a small but stable edge. 1 3 .'I&e2 .ie6 1 4 ..ifl 'l&b6 1 5 ..if4 �ad8 1 6.�ad l;!; White is in control, Tregubov - Iskusnyh, Novgorod 1 997. Returning to the main line, here I found a promising new idea:

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1 2.ttJde2!?N Obviously I was not satisfied with White's play in the following encounter, where Black got a great position: 1 2.ttJc2 ttJe5 1 3 ..ie3 'l&a5 14 ..ifl .ie6 1 5.ttJa3 'l&b4 Trifunovic Bekker Jensen, Widey 1 999. 1 2 . . . tLJe5 Another line is 1 2 ...'I&b4 13 ..if4 'l&xc4 (if 1 3 ... tLJe5 1 4.b3 White keeps everything under control) 1 4.b3 (less clear would be 1 4.'I&xd6 �e8) 14 ...'I&e6 And now White is better after both 1 5.�xd6 tLJe5 1 6.�ad l;!; and 1 5 ..ixd6 �d8 1 6.ttJf4 'l&e8 ( 1 6 ...'I&f6 runs into 1 7.e5! with the following tactical justification: 1 7 ... tLJxe5? 1 8 ..ixe5 �xd 1 1 9.�axd l 'l&g5 20.h4 and White wins) 1 7.'I&c2 tLJe5 1 8.�ad l;!; 1 3.b3 tLJc5 1 4 ..ie3 tLJed3 1 5.�fl Black's activity has come to an end, while White will slowly drive Black's knight ftom d3 away by means of 'l&d2 followed by �ad l .

1 2 .ie6 I also examined 1 2 ... tLJd7 1 3 ..ie3 'l&b4 1 4 ..ifl tLJdc5 1 5.�c l with the possible continuation 1 5 . . . tLJa4 1 6.a3 tLJxc3 1 7.�xc3! 'l&a4 1 8 ..id4 with better chances for White. ...

13 ..ie3 cS

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If 13 .. :�c7 1 4.We2 White has a comfortable position.

1 4.i.f1 ttJd7 1 5J.%bl ttJe5 1 6.tLld2� White's army is much better mobilized for further battle.

I l .Wd3 ltlbd7 1 2.ltlh4! This ambitious move underlines the misplacement of Black's kingside pieces. Too soft is 1 2.l:!fe l e5, Roiz - Carlsen, Rishon Le Zion (blitz) 2006. 1 2 ... e5

B) 7 ...Wfb6 This move recently became popular.

8.b3 One of the main replies to Black's system and in my opinion the most promising one.

8 ... e5 Black has two other popular options: 8 ...Wa5 The whole idea of transferring the queen to h5 at the cost of a tempo seems somewhat artificial. 9.ib2 9.Wd2 is more popular, but I do not see any reason to refrain from the natural development of the bishop. 9 . . .Wh5 1 0.e4 ig4 I also examined 1 0 . . . ih3 when 1 1 .l:!el ! is very strong, intending to push the e-pawn. 1 1 . ..ltlg4 (after 1 1 .. .ixg2 1 2.�xg2 e5 1 3.h3 Black's queen is misplaced on h5) 1 2.ltlh4 ixg2 1 3.cj;>xg2 and Black achieves nothing.

1 3 .h3!N This move is stronger than 1 3.f3 ie6 1 4.ltle2 as played in Friedrich - Lorscheid, Wuerttemberg 1 995. 1 3 ... ie6 1 4.d5 Now the following line looks more or less forced: 1 4 ... ltlc5 1 5 .Wd2 cxd5 1 6.cxd5 ih6 1 6 ...id7 runs into the unexpected 1 7.ic 1 ! and Black has to give u p the g-pawn i n order to defend against the threat of if3. 1 7.Wc2 ixh3 Obviously 1 7 ...id7? loses to 1 8.if3. 1 8.ixh3 g5 1 9.1tlf5! Wxh3 20.f3 Despite being temporarily a pawn up, Black's position is very difficult to handle, for instance: 20 ... g4 2 1 .l:!f2!+Black is helpless against the threat of 22.l:!h2. 8 ... ltlbd7 9.e4 e5 1 0.l:!e1 In my opinion this is the critical line. It is harder to achieve anything after 1 0.d5 ltlc5 I l .ie3 cxd5. It is worth pointing out that there is no transposition to Chapter 29 here.

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Chapter 27 - 6 . . . c6 True, the present position could easily be reached via the move order 6 ... lLlbd7 7.0-0 e5 B.e4 c6 9.Ei:e1 "Wb6 1 0.b3. However, in Chapter 29 I recommend 9.h3 instead of 9.Ei:e l . 1 0 ... exd4 1 l .lLla4 Despite White's high score after 1 1 .lLlxd4, I believe Black should be fine after 1 1 ...lLlg4!. 1 1 ..."Wa5 1 2.lLlxd4

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1 5 ... dxc5 1 6.lLlc2 lLlh5 We have reached a similar position to that examined after 1 2 ... lLlg4. The present version is an improved version for Black, but this still does not enable him to equalize. 1 7.�xg7 lLlxg7 I B."Wd2 f5!? The best chance. If I B ...�e6 1 9."Wc3 Ei:adB 20.Ei:ad l Ei:xd1 2 l .Ei:xdl Ei:dB 22.Ei:d2:t White keeps a small but long-lasting edge thanks to his better pawn structure. 1 9.Ei:ad l fxe4 20.Ei:xe4 �f5 2 l .Ei:xe8t Ei:xe8 22.lLle3 �c8 We are following the game Kurajica - Prie, Debrecen 1 992. Now I propose the following modest improvement:

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1 2 . . . Ei:eB Another direction is 1 2 ... lLlg4 1 3 .�b2 lLlc5 1 4.�c3 "WdB 1 5.lLlxc5 ( l 5.lLlb2!? also deserves serious consideration; it is often a good idea to avoid exchanges, as White has an obvious space edge. Play might continue 1 5 ... a5 1 6.h3 lLlf6 1 7."Wc2 Ei:eB I B.Ei:ad l ;!; and White keeps better chances.) 1 5 . . .dxc5 1 6.lLle2 This type of position is favourable for White, as Black has insufficient activity to compensate his worse pawn structure, as demonstrated by the following encounter. 1 6 ...�xc3 1 7.lLlxc3 �e6 (Knaak correctly indicates in ChessBase Magazine 25 that Black gets a worse endgame after 1 7 ... "Wd4 1 B."Wxd4 cxd4 1 9.1Lla4 and Black's central pawn is rather weak. Still, this was the lesser evil.) 1 B.h3 lLle5 1 9.f4± and White clearly obtained the upper hand in Greenfeld Fishbein, Beer-Sheva 1 99 1 . 1 3.�b2 lLlc5 14.�c3 "Wc7 1 5.lLlxc5 This time 1 6.lLlb2 is not an option as the e-pawn is hanging.

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23.h3N lLle6 White's advantage is significant after 23 ... lLlf5 24.lLlxf5 �xf5 25.g4! �cB 26.Ei:el . 24.lLlg4 Ei:d8 25."We1 Ei:xd l 26."Wxdl ;!; White keeps a slight edge, and can follow the simple plan of exchanging as many pieces as possible.

9.d5 Although this has only been White's sixth(!) most popular choice, I believe it to be the most ambitious continuation, which emphasizes the misplaced position of the queen on b6. 9 .cxd5 Another important line goes: ..

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9 ...e4 1 0.ttJg5 I did not discover any advantage for White after 1 0.ttJd4 ttJxd5!. 1 0 ... cxd5 Clearly worse is 1 O . . .�f5?! 1 1 .ie3 Wl'd8 1 2.ttJgxe4 ttJxe4 1 3.ttJxe4 �xe4 1 4.�xe4 Wl'e7 1 5.�g2 ixa l 1 6.WI'xa l ± and White has powerful compensation for the exchange, Razuvaev - Filippov, Novgorod 1 995.

8 �-¥"� .i. � ��*m 7 �i� � i �V� i _ _ 6 .. � �_ �m " %_ 5 . -zm'lszm �m 4 � m. . m 'm i� 3 �8� _ 8D 2 8 wii mlszm�� i[ "" �"-"%_-I�. ��F' � � a b c d f h ..

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1 1 .cxd5N This transposes to the main line below (9 ... cxd5 1 0.cxd5 e4 1 1 .ttJg5) . The com plications after 1 1 .�e3 WI'a5! Dizdar ) . Horvath, Austria 1 998, look very unclear to me, although it is obvious that White should have reasonable compensation after: 1 2.ttJxd5 ttJxd5 1 3.cxd5 �xa 1 14.WI'xa 1�

lO.cxdS Black is doing fine after l O.ttJxd5 ttJxd5 1 1 .WI'xd5 e4!.

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13 ... 1tJf6 We should also consider 1 3 ... ttJf2 1 4.WI'c l h6 1 5.ttJge4 ttJxe4 1 6.fxe4 (less clear is 16.ttJxe4 �f5!) 1 6 ... ttJd7 1 7.ttJa4 �xb2 1 8.ttJxb2 ttJe5 1 9J�b l ! White prepares ttJc4, followed by recapturing with the b-pawn, if Black swaps the knights. It looks like Black cannot keep his e3-pawn, for instance: 1 9 . . .�g4 20.ttJc4 ttJxc4 2 1 .bxc4 Wl'd4 22J'%d l Wl'c5 23.i'!b5 Wl'c7 24.WI'xe3 with an advantage. 14.ltJa4 \Wa6 14 . . .WI'd8 1 5.�d4;t lS.�d4 ltJbd7 16.ltJc3 h6 17.ltJge4 White maintains the advantage. C) 7...�f5

lO ...e4 1 1 .1tJgSN I believe this is more challenging than 1 1 .ttJd4, Matnadze - Dacalor, Parras 1 999, 1 l ...ttJg4!N 1 2 .e3 f5 and Black has fully adequate play. 1 1 . .. ltJg4 1 2.ib2 e3 13.£3 The position is rather complex, but I believe White has the advantage, as he is better developed and the e3-pawn is a serious targer.

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Chapter 27 - 6."c6 Recently a fashionable choice.

8.ttJe1 In my opinion this is White's best chance to fight for an opening advantage. The idea is very simply to play e2-e4 with tempo. Now we have Cl) 8 . eS and C2) 8 .. �e6. .

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8 ... d5 This could be a good idea - unless there is a concrete problem . . . 9.%%3! Attacking both the d5- and b7- pawns. 9 ...%%6 1 0.cxd5 cxd5 The most tenacious. White's task is much easier after I 0 ...'Wxb3 1 l .axb3 cxd5 1 2.l2lxd5 l2lc6 1 3.l2lxf6t ixf6 1 4.e3 �fd8 1 5.id2 ie6, Leibbrand - Walther, Germany 1 992, and now the simple 1 6.�a3N would just keep a healthy extra pawn. 1 l .l2lxd5 l2lxd5 12.ixd5 l2lc6 13.e3 e5 1 4.dxe5 ixe5 1 5.l2lf3 if6 This was Bentzen - E. Mortensen, Denmark 1 99 1 . Now I like:

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9.e4 ih3 1 0.ixh3!? White usually Opts for 1 0.f3 or 1 0.ttJd3, but the text seems to me very logical, despite only having been played a couple of times in practice. The main point is that Black's queen is diverted from the queenside, forcing the second player to expend one more tempo to prepare ... b7-b5. White hardly needs to worry about Black's attacking chances, as he can always drive the queen away with l2ld3f2 if necessary. 1 0 ...'Wxh3 1 l .f3 l2la6 1 2.l2ld3 'Wd7 Black was probably already worried about ideas of g4 with the aim of trapping the queen. 1 3 .ie3 White can also consider 1 3.a4!?N preventing the ... b7-b5 advance. 1 3 ... b5 Another game went 1 3 ... l2le8 1 4.a4 l2lec7 1 5.�a3!? l2le6 1 6.d5 cxd5 1 7.exd5 l2lec5 1 8.l2lxc5 dxc5 1 9. 'Wd2± wi th better chances for White, Chiburdanidze - Foisor, Gothenburg 2005. 1 4.cxb5 cxb5 This position occurred in Cvitan - Loncar, Tucepi 1 996. Now I developed the following play for White:

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1 6.e4!?N 'Wxb3 1 7.axb3 ig4 1 8.g2± Although Black has some activity, I can hardly believe he can claim sufficient compensation for being a pawn down. 8 . . .'Wd7 Sometimes Black prefers 8 ...'Wc8, which will quickly transpose.

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1 5.'Wb3!N l2lc7 Much worse for Black is 1 5 ... �ab8?! 1 6.d5! �fc8 1 7.a4! b4 1 8.l2le2 with an obvious positional advantage.

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1 6.Elfc 1 Elfc8 1 7.Elc2 lLle6 1 8.Elac 1 a6 1 9.1Lle2:i:: White enjoys a pleasant positional edge, thanks to his spatial superiority.

Cl) 8 .. eS 9.dS adS lO.adS .

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1 O . lLla6 There are two interesting alternatives: ..

1 0 ... a5 Black takes some space on the queenside, bur at the same time weakens the b5-square. 1 1 .lLlc2! Immediately heading towards the newly created outpost. 1 1 ...lLla6 1 2.lLla3 Elc8 1 3 .�d2 Also interesting is 1 3.�e3 lLld7 (If 13 . . .lLlg4 then 1 4 ..id2 and Black's knight is misplaced on g4. I also examined 1 3 ... lLlc5 14.lLlc4 with the idea 1 4 ... lLlce4 1 5.�b3 lLlxc3 1 6.bxc3 and White is better, due to the Black's weak pawns on the queenside.) 1 4.lLlcb5 lLlb6 Ilincic Khmelniker, Budapest 2004. Now after the simple 1 5.�d2!?N lLlb4 1 6.Elfc 1 White has a serious initiative on the queenside. 1 3 ... lLlc5 Somewhat stronger would have been 1 3 ... lLlb4, although here after 1 4.Elc 1 �b6 1 5.b3! with the idea of lLlc4 White's chances are somewhat preferable.

1 4.lLlc4 Black's last move blocked the c-file, thus facilitating the text move. The second knight will look to jump to b5 under favourable circumstances. 1 4 ... lLlce4 If 1 4 ... b6 1 5.�g5! h6 1 6.�xf6 �xf6 1 7.lLlb5 White gets a stable edge. 1 5.lLlxe4 Elxc4 1 6.lLlxf6t �xf6 1 7.�b3 �c7 This looks like a blunder, but Black's problem was that 1 7 ... Elc2 was not really working, because after 1 8.�h6 he loses an exchange, due to White's threat of e4. 1 8 .�xa5± White j ust won a pawn, Quinteros Hansson, Reykjavik 1 986. 1 0 . . .�d7 1 1 .e4 �h3 As usual in these types of positions, White should not be too concerned about the exchange of light-squared bishops. In return he gets a few important tempos to kick-start his initiative on the queenside. 1 2.lLld3 �xg2 1 2 ... lLla6 1 3.f3 �xg2 1 4.�xg2 would j ust transpose. Black can hardly benefit by delaying the exchange indefinitely. 1 3.cj;Jxg2 lLlaG 1 4.f3 Elfc8 Black chooses a passive strategy, because the desirable idea of carrying out ... f7 -f5 is not really working: 1 4 ... lLlh5 1 5.g4! and the thematic pawn sacrifice 1 5 ... lLlf4t I G.lLlxf4 exf4 1 7.�xf4 f5 gets nowhere after 1 8.exf5 gxf5 1 9.95. 1 5.�e3 lLle8 1 6.a4 Preparing the lLlb5 jump. I G ... lLlc5 Tondivar - Van der Veen, Hoogeveen 2007. Now I would continue: 1 7.lLlxc5!N dxc5 1 8.a5! lLld6 1 9.�a4 The well placed knight on dG does not solve all of Black's problems here. He still suffers from a passive bishop and slightly vulnerable queenside pawns.

Chapter 27 - 6 ... c6

1 1 .e4 id7 There is also: 1 1 ...ig4 1 2.f3 id7 1 3 .ie3 With the pawn on f3 White should hurry to establish control over the gl -a7 diagonal in order to avoid a possible check on b6. 1 3 ... 4Jh5 This position occurred in Marnadze Zozulia, Parras 1 999. Now White has to react quickly, as Black intends to get some activity by means of . . .f5 and ... 4Jf6.

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1 4.Wb3!N Now Black has no comfortable way of defending the b-pawn. In the game she obtained a reliable position after 1 4.4Jd3 f5 1 5.Wd2 4Jf6. 14 ... b6 1 5.Wa3! 4Jc5 1 6.b4 4Jb7 1 7.Wa6 White seizes the initiative on the queenside.

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1 2 .. \WaS I also examined two other options here: .

1 2 ...We7 This is not really a " King's Indian move", but anyway it is a pleasure to follow Kasparov's play in the following example: 1 3.a4 1%fcS 1 4.id2 4Jc5 1 5.4Jxc5 1%xc5 1 6.a5 Gaining more space and preparing the unpleasant Wb3. 1 6 ... WdS 1 7.Wb3 4Jg4?! This was a rapid game, so it is understandable that Adams misjudged something. He should have gone for 1 7 ... 1%xa5 l S.1%xa5 Wxa5 1 9.Wxb7 WdS, although after 20.Wa6 White would keep better chances. I S. h3 ih6 1 9 .ixh6 4Jxh6 20.Wxb7 White has a healthy exrra pawn, Kasparov Adams, New York (rapid) 1 995. 12 ... b5 This is a double-edged move. Black gets some space on the queenside, but at the same time weakens some squares. 1 3.a3 Wb6 Badea - Scalcione, Nereto 2000. Now developed the following line for White:

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1 7.tL'la2 1'!acB I B .Wd2 White enjoys a pleasant advantage.

13.id2 1'!fc8

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14.1'!cl !N The most natural and I believe White's best continuation. Up to now he has tried only 1 4.b4 and 1 4.a3. 14...'&d8 1 4 . . . b5 can be met comfortably by 1 5.a3. 1 S .'&b3 1'!ab8 16.'&a3 '&£8 17.0 White has every chance to develop his initiative on the queenside, while Black is doomed to passivity. C2) 8 ...ie6 9.b3 Another continuation is 9.d5 cxd5 1 0.cxd5 id7, but here I failed to find an advantage for White. It seems that Black's activity on the queenside fully makes up for White's extra space.

9 ... dS 1 O.cxdS tL'lxdS 1 1 .ib2 tDxc3 Inferior is 1 1 ...f5 1 2.tL'la4 tL'ld7 13.tL'ld3 b6 1 4.e3 1'!cB 1 5.1'!c 1 tL'l7f6 1 6 .We2 with a pleasant edge for White, Badea - Vaidya, Odorheiu Secuiesc 1 992. 1 2.ixc3

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1 2... tDa6 In case of 1 2 ... tL'ld7 I found the following . Ime: 1 3.tL'ld3N ( 1 3.e4 allows Black to solve his problems easily by means of 1 3 ... c5! 1 4.1'!c1 cxd4 1 5 .ixd4 Wa5, Drasko - Roiz, Internet 2004.) The justification for White's last move is seen after the critical 1 3 . . . c5 1 4.tL'lf4! ig4 1 5.h3 cxd4 1 6.ixd4 e5 1 7.hxg4 exd4 1 B.ixb7 1'!bB 1 9.if3 and White keeps an extra pawn. Another line is: 12 . . .WcB 1 3.1'!c 1 1'!dB 1 4.e3 ih3 1 5 .Wc2 ixg2 1 6.'it>xg2 1 6.tL'lxg2!? might be an interesting alternative. 1 6 ... tL'ld7 1 7.tL'lf3 Wc7 If 1 7 . . . tL'lf6 White can play 1 B.1'!fe l followed by e4. I B.1'!fd l 1'!acB 1 9.e4 e6 111is is a more or less rypical position that might arise in this line. White has more space, but Black remains very solid. The following eXan1ple illustrates the ideas for both sides: 20.id2 The bishop has better prospects on the c1 -h6 diagonal. 20 . . .Wd6 2 1 .ig5 f6 This is already a pleasing sight for White; o viously the pawn on f6 restricts the g7bishop and exposes the black king slightly.

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Chapter 27 - 6 . . . c6 22.ie3 liJb6 This position was reached in Cvitan - Tratar, Rabac 2003. Here I found a way to improve White's play: 23.a4!N f5 24.if4 \Mia3 25.gel The game is very complicated, but White retains the better chances.

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16 ...f5!? This is not forced, but it is certainly the most principled way for Black to play. Against quieter responses White's strong centre would guarantee a pleasant edge. 1 7.ltJd3 fxe4 l S.ltJc5 gbS 1 9.1tJxe4 ltJd5 2o.ib2� I regard White's position as preferable, as he can easily generate pressure along the e-file. D) 7 ... a6 This is not a popular option at grandmaster level, but it has still been tried many times i n practice.

S.e4 b5 9.e5 The most challenging idea.

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1 3J3cl!N This natural move seems to be White's best. So far White only seems to have tried 1 3.e3 id5 1 4.gc 1 (After 1 4.e4 ie6 Black's pressure against the d4-pawn gives him good play, for instance 1 5.\Mid2 CiJc7 1 6.gd l CiJb5 17.ib2 \Mib6) 14 . . .ixg2 1 5.mxg2 \Mid5t 1 6.\Mif3 \Mixf3t 1 7.xg7 1 8.�xe7± Black's position looks horrible. 1 3.�xc4 dxe5 14.dxe5 ixe5 1 5.l'%d l

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1 3 .ttJxd5N Despite repairing Black's pawn structure, I believe White should take the opportunity for this favourable swap. Black has got a reasonable position after 1 3.�a4 ixg2 14.Wxg2 ttJd5, Mednis Pacis, Manila 1 99 1 . 1 3 . . .cxd5 1 4.ie3 e6 1 5.l'%c l �b6 Black is not helped by 1 5 ... ttJbd7 16.�a4 ttJxe5 1 7.dxe5 ttJd7 1 8.f4 ttJb6 1 9.�d4 ttJc4 20.if2 intending 2 1 .b3. 1 6.�c2 ttJbd7 1 7.�c6 White has clearly better chances.

1 O.�e2 bxc4 Black has tried some other moves as well: 1 O ... ttJc7 1 1 .l'%d 1 bxc4 (After l l .. .d5 1 2.b3 h6, Spassov - Krnic, Vrnjacka Banja 1 984, White can obtain a clear positional advantage with: 1 3.ie3!N ie6 1 4.�d2 Wh7 1 5.cxd5 ttJxd5 1 6.l'%ac l ) 1 2.�xc4 ie6 1 3.�a4 h6 1 4.if4 g5 1 5.id2 �d7 1 6.h4 g4 1 7.ttJe 1 l'%a7 1 8.ttJd3

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White has powerful compensation for the missing pawn, thanks to his pair of bishops and Black's vulnerable queenside structure. 1 5 ...�a5 1 6.id2 ig7 This allows an elegant idea. Relatively best would have been 1 6 . . .�c7, although after 1 7.l'%acl l'%a7 1 8.�e2! ttJf6 1 9. ttJa4 White maintains excellent compensation for the pawn. His chances are clearly better. 1 7.ttJd5! cxd5 Maybe Black was planning 1 7 . . . �d8, but after 1 8.if4! cxd5 1 9.ixd5 ttJd6 20.ixd6 l'%a7 2 1 .ia3 l'%d7 22.l'%ac l White's advantage is obvious.

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Chapter 27 - 6 ... c6 1 8.�xa5 dxc4 1 9.�xa8 tZJd6 20.�d2± White convincingly converted his material advantage in Terreaux - Weiss, internet 2003.

Dorfman - Kr. Georgiev, Warsaw 1 983. Now I suggest:

1 1 .'Wxc4 This is the main position in the present line.

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1 4.exd6!?N exd6 1 5.�f4 iWd7 maintaining the pressure.

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12.'Wa4 ttJc7 13.�e3 ttJb5 14,l'!ac1 ttJd7 15.'Wc2 Intending to follow with tZJa4. 15 ...ttJb6 1 6.b3 It is essential to take control over the c4square, thus restricting the knight on b6. 1 1 . ..tZJc7 1 2.exd6 exd6 1 3.�g5 iWd7 1 4.�fe l !? (This looks better than 1 4.d5 tZJxd5 1 5.tZJxd5 cxd5 1 6.iWxd5 �b7 1 7.iWd2 tZJc6 with a playable position for Black, Csom - F. Portisch, Budapest 1 976.) 1 4 . . . d5 This was played in Thesing - Schoene Germany 1 997, and now after 1 5.iWa4N tZJe6 1 6.�e3 a5 1 7.�acl �b7 1 8.tZJg5t White has definite pressure. 1 1 .. .�e6 1 2.iWa4 tZJc7 1 3.�el h6 1 4.exd6 exd6 1 5.�f4 g5 was Ljavdansky - Suetin, Tallinn 1 965, and now the simple 1 6.�e3N iWd7 1 7.�acl would have maintained White's advantage. 1 1 . ..a5 1 2.�el �e6 ( l 2 ...�a6 is hardly an improvement: 1 3.'Wa4 d5 1 4 .�d2 'Wb6 1 5 .iWc2 and White's positional advantage is undisputable, Ruck - Suskovic, Zagreb 1 999.) 1 3.'Wa4 tZJc7 This position occurred in

1 6 ...a5 This occurred in Lempert - Kozlov, Moscow 1 990. The cleanest way for White would be:

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E) 7....ig4 Nowadays this is a rare guest in tournament practice and rightly so, as Black can hardly hope to equalize without his light-squared bishop.

8.h3 .ixB 9 ..ixB �bd7 The alternative is: 9 . . . e5 1 0.d5 c5 Closing the position also does not promise Black adequate play. 1 1 .e4 ctJaG Black has also tried 1 1 .. .ctJeS but without much success. 1 2.h4! This is the most effective way of fighting against the . . . £7f5 advance. 1 2 .. .f5 1 3.h5 f4 1 4.hxg6 hxg6 1 5.i.g4 White's light-squared bishop effectively enters into the action. 1 5 ...i.h6 1 6.i>g2 cj;>g7 1 7J�h 1 i.g5 111is was Sturua - Bioess, Hamburg 1 999. Now very strong would have been l S.'lWf3!N ctJ f6 (Black cannot play 1 8 ... fxg3 1 9.i.xg5 'lWxg5 20.l::1 h 7t! cj;>xh7 2 1 .'lWxf8 when he is helpless against the coming l::1 h l .) 1 9.i.e6 ctJbd7 20.ctJe2 ctJh5 2 1 .l::1 x h5! gxh5 22.i.f5 and White has a powerful initiative for the exchange. 1 2 .a3 ctJc7 1 3.cj;>g2 ctJd7 1 4. h4! Again we see this well known idea. 1 4 .. .f5 1 5.h5 f4 1 6.hxg6 hxg6 1 7.i.d2 'lWg5 l S.l::1 h 1 cj;>£7 1 9.b4 l::1 h S 20.'lWa4! ctJb6 2 1 .'lWb3 l::1xh 1 22.l::1xh 1 ctJd7 23.l::1h 4!± White obtained a clear advantage in Tukmakov - Kiaric, Zadar 1 997.

for Black is that ... £7-f5 is now practically impossible to achieve. Thus White can slowly prepare his play on the queenside without worrying about counterplay on the opposite flank. 14.i.g5 ctJb6 1 5.i.e2 'lWd7 1 6.cj;>g2 l::1 aeS 1 7.b4 ctJ h7 l S.i.e3 l::1 c 8 1 9.bxc5 dxc5 20.a4 ctJf6 2 1 .'lWb3 ctJa8 22.a5± Rochev - Fox, Bunratty 200 1 .

1 2... �e8 1 3.h4 f5 14.h5 �ef6 1 5.l::1 h l White is steadily building the pressure. Over the next few moves Black made a few unfortunate decisions and quickly fell into hopeless position, but his position would have been unenviable regardless. 1 5 b:e4 16.�xe4 ctJxe4 1 7..ixe4 W'f6 1 8 ..ie3 g5 1 9.h6 .ixh6 20.W'h5 White is already winning, Georgiev - Illi, Lugano 1 9S6. ..•

F) 7...W'a5 This is Black's most popular plan after 6 . . . c6.

8.e4 The main alternative is S.h3, but here instead ofS . . . e5, which after 9.e4 transposes to line F3 below, Black has two interesting alternatives in S . . .i.e6 and S . . .'lWa6.

10.e4 e5 1 1.d5 c5 Having relinquished the bishop pair, Black usually elects to close the position. 12. i>g2 The following game also provides a nice illustration of White's chances: 1 2 .a3 cj;>hS 1 3 .h4 h5 Preventing h4-h5, but the problem

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Chapter 27 - 6 ... c6 Here Black has three main moves: Fl) 8...ig4, F2) 8 .. J1tihS and F3) 8 ... eS . S ...ie6 It has already noted that this move was a respectable answer to S.h3, but in the present position it does not make a favourable impression. 9.d5 The most ambitious continuation. 9 ...ig4 Black should refrain from capturing on d5, as after 9 ... cxd5 1 0.exd5! the e7-pawn becomes an obvious target. l o ...id7 I l .We2 �eS I 2.id2 WdS I 3 .ie3 WcS I 4.�ac 1 4Jg4 1 5.id4 e5 I 6.dxe6 �xe6 I 7.Wd l ± and White's positional advantage is beyond any doubts, Badea - Teodorescu, Herculane 1 996. 1 0.h3 ixf3 I l .ixf3 �cS If 1 l ...4Jbd7 1 2.id2 4Je5 1 3.ie2± White keeps all his pluses. I 2.id2 4Jfd7 I 3 .ie2 Wb6 I 4.�b I a5 I 5 .ie3 Wc7 This happened in Blagojevic - Arsovic, Vrnjacka Banja 1 995. Now I found the following strong idea: 8

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I 7.h5 4Jac5 I S.Wc2 White has an excellent position, with more space, two bishops and active possibilities on both sides of the board.

Fl) 8 . ig4 .

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I find it doubtful that Black can equalize by giving up his light-squared bishop.

9.h3 ixf3 1 O.ixf3

F l l ) 1 0... ltJbd7 1 1 .'\1tfe2!?

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This flexible continuation seems to me very interesting. The most popular move is I I .id , but after l l ...c5 1 2.d5 Wb4 13.Wb3 4Jb6 1 4.ie2 a5 Black has reasonable counterplay.

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1 6.h4!N 4Ja6 If I 6 ... h5 Black should worry about I 7.g4!? hxg4 l s.ixg4 followed by h4-h5 . White has good chances to develop a dangerous offensive.

1 1 ...ltJe8 In case of 1 1 .. .e5 1 2.d5 cxd5 1 3.cxd5 a6 I 4.id2 �fcS 1 5.�fc 1 we reach a position from line F 1 3. Meanwhile 1 1 ...c5? runs into the strong 1 2.e5! and Black is in trouble. 1 2.gdl cS Another line is: 12 ... 4Jc7 I 3 .ie3 4Je6 1 4.ig2

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I also found 1 4.j,g4!? quite interesting, with the idea to meet 14 ... h5 with 1 5.j,xe6 fxe6 1 6.e5! dxe5 1 7.d5� with promising compensation for the pawn. 1 4 .. J'l:fe8 1 5.l'l:ac 1 c5 1 6.dxc5 lUdxc5 This is the position for which both sides were aiming. Black carried out the intended ... c6c5 and has won some space for his pieces, but White has mobilized his forces in almost optimal way and in my opinion obtained the better prospects, with a space advantage and pair of bishops. The following game is a good example: 1 7.l'l:c2 This modest move prepares the lUd5 jump, as the a2-pawn will now be untouchable in view of b2-b4, winning material. 17 ... l'l:ac8 1 8 .lUd5 lUd7 1 9.b3 a6 Somewhat stronger would have been 1 9 ... lUe5, although White retain better chances after 20.h4 lUc6 2 1 .j,h3. 20.h4 'Wd8 2 1 .h5 lUf6 22.hxg6 hxg6 23.j,h3 Black is under serious pressure, !zoria Banikas, Yerevan 2000.

13.dxcS bc3 I f 1 3 ... lUxc5 White has the strong 1 4.b4! 'Wxb4 1 5.lUd5 'Wa4 1 6.lUxe7t �h8 1 7.l'l:b l with advantage. 14.cxd6 tLlxd6

lS.l'l:dS!?N This intermediate move is an improvement over 1 5.bxc3 lUe5 1 6.j,g2 lUexc4 and Black has a decent game, Baburin - Kaufman, New York 1 997. l S ... ctJcS The alternative is 1 5 ... b5 1 6.bxc3 'Wxc3 (If 1 6 ... lUb6 17.c5 lUxd5 1 8.exd5 lUc4 [ 1 8 ... lUf5 19.j,b2±] 1 9.j,h6 'Wxc3 20.l'l:el White has more than sufficient compensation for the exchange.) 1 7.j,b2 'Wxc4 1 8.'Wxc4 lUxc4 1 9.1'l:xd7 lUxb2 20.l'l:b l lUc4 2 1 .l'l:xb5 e6 22.l'l:c5 lUb6 23.l'l:b7 l'l:fb8 24.l'l:bc7 The endgame looks difficult for Black. 16.bxc3 �xc3 17.l'l:bl ! This i s much stronger than 1 7.j,b2 'Wxc4 1 8.'Wxc4 lUxc4 1 9.1'l:xc5 lUxb2 20.l'l:b5 lUc4 2 1 .l'l:xb7 e6 when Black has good chances to hold the endgame. 17... l'l:ac8 1 8.j,h6 l'l:fd8 1 8 ... l'l:fe8 1 9 .j,g4 lUe6 20.e5 lUxc4 2 1 .l'l:xb7 also leaves Black with some problems to solve. 1 9.1'l:bdl tLle6 20.j,g4! White keeps the initiative. F12) 10 ... tLlfd7 1 1.l'l:bl! The more common 1 1 .j,e3 'Wb4 1 2.'Wb3 a5 looks less convincing to me.

Chapter 27 - 6 . . . c6

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1 1 ...c5 There are some alternatives:

thanks to his bishop pair and better pawn structure.

1 l ...'lWb4 1 2.i.e2 'lWb6 1 3.i.e3 100ks absolutely senseless, as Black just lost a few tempos jumping with his queen. White has clearly better chances, Aronian - Ahn, Batumi 1 999.

12.d5 ixc3 This is certainly a principled move, although there are a number of alternatives.

1 1 ... a6 is very passive and allows White to seize the initiative. 1 2.b4 'lWc7 1 3.i.g5 1'%e8 14.'lWd2 e5 1 5.d5 a5 These moves occurred in A. Petrosian - Micic, Dortmund 1 998, and now I propose 1 6.b5!N with the following nice idea: 16 . . . c5 1 7.b6! lLlxb6 1 8.lLlb5 'lWd7 1 9.i.g4 f5 20.exf5 h5 2 1 .i.e2 gxf5 22.i.xh5 1'%f8 23.'lWe2 with a huge positional advantage. l l ...lLla6 1 2.a3 White insists on playing b2-b4. 1 2 ... c5 This position has occurred a couple oftimes in practice. Now I found a nice improvement:

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1 3.dxc5!N 'lWxc5 1 4.e5! I really like the idea of activating our light squared bishop. 1 4 ...'lWxc4 1 4 ... lLlxe5 1 5 .i.xb7 'lWxc4 1 6.i.xa8 1'%xa8 1 7.lLld5 can hardly promise Black any compensation for being the exchange down. 1 5.exd6 exd6 1 6.i.xb7 1'%ab8 1 7.i.d5 'lWc8 1 8.lLle4 White enjoys a pleasant positional advantage,

1 2 ... lLlb6 1 3 .i.e2 lLl8d7 1 4.a3! A strong and concrete approach. Less clear is 14.'lWc2 lLle5. 14 ...'lWa6 This leads to passive position for Black. More critical would be 14 . . .i.xc3 1 5.bxc3 'lWxc3 1 6.i.b2 'lWa5 keeping an extra pawn, although after 1 7.'lWcl � White has powerful compensation and a much easier position to handle in practice. 1 5.lLlb5 This position was reached in Goldin - Har Zvi, Rishon Le Zion 1 995. I believe this is the right moment to stOp and evaluate the situation on the board. White's chances are clearly preferable; he has two bishops and a space advantage, while the Black pieces are rather oddly placed on the queens ide. 1 2 ... a6 This can be met strongly by: 1 3.i.e2! lLlf6 Black's problem is that the desirable 13 . . . b5 does not work out well after: 1 4.cxb5 axb5 1 5.i.xb5 i.xc3 1 6.bxc3 'lWxc3 1 7.a4± Despite the material balance White's bishop pair should be the deciding factOr. 1 4.a4 'lWd8 1 5.i.g5 e6 Izoria - Paragua, Heraklio 2002. White's position is better after almost any sensible move, but I like the following idea the most: 1 6.dxe6!N fxe6 1 7.e5! dxe5 1 8.'lWxd8 1'%xd8 1 9.i.g4 f7 Or 1 9 ... lLlc6 20.i.xe6t h 8 2 1 .i.d5 with advantage. 20.f4! White has a serious initiative.

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1 2 ...�b4 1 3 .�g5 �f6 1 3 ... lLlb6 is senseless, as was correctly indicated by HiUarp Persson, as after 1 4.�e2 Black cannot take on c4, because of the following variation : 1 4 ... lLlxc4 1 5 .a3 lLlxa3 1 6.lLla2! �xe4 1 7.bxa3+1 3 .. .f6 1 4.�d2 �xc4 also does not work after: 1 5.�e2 �d4 ( l 5 . . .�b4 1 6.lLlb5 �xe4 1 7.lLlc7 leads to the same position) 1 6.lLlb5 �xe4 1 7.lLlc7± Again this line was given by Hillarp Persson in ChessBase Magazine 69. 1 4.�xf6 This move is so far the only one to have been tried in practice, but also very interesting is Marin's suggestion: 1 4.�h6!? �g7 1 5 .�xg7 c;t>xg7 1 6.�e2;!;. 1 4 ... exf6 If 1 4 . . . lLlxf6 1 5.�e2 White has better chances, as he has a clear plan of preparing the advance of his central pawns (f and e), while Black's play is very unclear. 1 5.lLlb5! I like this energetic move, even though after the modest 1 5.�e2 White's chances are preferable as well, Marin - HiUarp Persson, Gothenburg 1 999. 1 5 . . . a6 1 6.a3 �a5 1 7.b4 �b6 l s.lLlc3 �c7 After I s ... cxb4 1 9.axb4 �c7 20.�e2 White obtained a clear advantage in D. Bekker Jensen - Engelbert, Gausdal 2000. 1 9.�e2 l'!eS 20.�b3 l'!a7 2 1 .c;t>g2 White retains a stable edge, although the black position remains fairly solid, Schlosser Prusikin, Passau 1 996.

1 3.bxc3 \1Mxa2 Also possible is 1 3 . . . �xc3, although the obvious drawback is that Black is clearing the a l -h8 diagonal for this opponent's now unopposed dark-squared bishop, which White exploited brutally in the followinggame. 1 4.�e2 b6 1 5.�b2 �a5 1 6.f4 �xa2 1 7.�c2 ( l 7.h4 b5 I S.cxb5 lLlb6 gave Black some counterplay in Rausis - Gross, Cairo 2002.) 17 ... �a6 1 8.e5

�b7 ( l S ... �cS does not really help after 1 9.�g4) 1 9.�c3 dxe5 20.fxe5 f6 2 1 .exf6 exf6 22.�g4 �c7 23.l'!bel �d8 8 7 6 5 4 3 2

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24.�f3! b5 25.d6 lLlb6 26.�d2 lLl8d7 27.�d5t lLlxd5 28.�xd5t �h8 29.l'!e7 1 -0 Lemke Melson, e-mail 2000.

14.�h6! In my opinion White should be striving to develop his initiative on the kingside and in the centre, without being sidetracked by the thought of regaining the sacrificed material. After 1 4.l'!xb7 l'!eS 1 5.l'!b3 lLlb6 1 6.�e2 �a4 Black gets some counterplay, Bates - Snape, West Bromwich 2004. 14 ... l'!e8 1 5.ie2 liJf6 This position was reached in Vaganian Kozul, Pula 1 997. Now I would like to follow Dautov's recommendation from ChessBase Magazine 57.

Chapter 27 - 6 . . . c6

16 ..id3N He gives the following defensive idea for Black: 16 ...�a6 17.f4 tDbd7 1 8.�e2 cj;>h8 Black intends to follow with . . . ltJg8. Dautov evaluates the position as unclear, but I find it hard to believe Black can withstand White's offensive after a continuation such as the following: 19.e5 ltJg8 20.e6 fxe6 2 1 .dxe6 ltJdf6 22 ..ig5 Intending 23.f5. Black's position looks very difficult. F13) 10 ... e5 1 l.d5 cxd5 Unlike the stereorypical King's Indian positions, here Black intends to fight for the initiative on the queens ide. It is the only way to make any sense of his position, especially the position of his queen.

1 2.cxd5 �bd7 13 ..id2 iUe8 14.�e2 a6

� _ � _ _*� /' �� "/h �:'l'h' � ' � 'm�_ � � � �,� h'N/JL;%j� � ' � r� � , � 5 ��B· %% ""'? %% �h."· � ? · "m � � �/� � � %'''/h� � � 3 �ff),;t[jff). �� 2 �.""% �1[J� • 8 f�.mVf "N'%mi=%% a b c d f h 8 7 6

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We have reached a rypical early middlegame position for this variation. As I have already mentioned, I do not rate very highly Black's strategy of giving away his light-squared bishop. He is very much in the game of course,

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but White's space advantage and bishop pair are both long-term trumps. From here, Black will usually try to force the trade of the dark-squared bishops by means of . . . h5, . . . rj;>h7 and ... i.h6, or ... �f8 and ... i.h6. White will strive to avoid this exchange, while also preparing to transfer his own "bad" bishop to the h3-c8 diagonal. Let us now see how these ideas might play out in practice.

1 5.gfc1 White can also begin an immediate transfer of the light-squared bishop with: 1 5.i.g2 �d8 1 6.h4 �f8 17.i.h3 i.h6 (This idea does not work well for Black. Best would have been the modest 1 7 ... gc7:t) 1 8.i.g5! gc7 1 9.9ac l gac8?! Under pressure, Black squanders a pawn. 20.i.xf6! ltJxf6 2 1 .i.xc8 i.xc 1 22.i.xb7! gxb7 23.gxc l ± Izoria - Khismatullin, Oropesa del Mar 2000. 15 ...�d8 16.h4 h5 17..ig2 ge7 This position was reached in Marin Grigore, Bucharest 1 998. Now I would seriously consider: 18.ge2!?N gae8 1 9.9ac1� Followed by i.h3. It is much easier to play with White, thanks to his spatial superioriry. F2) 8 ... �h5 9.tDg5 I prefer this to 9.e5 dxe5 1 0.ltJxe5, which is the most popular reaction.

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9 J1*ixd 1 Black has other options:

White's bishop's pair could prove to be an important asset in the long run.

After 9 ... h6 1 0.'Wxh5 lLlxh5 I l .lLlf3, it is worth examining twO continuations.

b) 1 1 ... lLla6 1 2.�e3 �e6 1 3.b3 In this complex position White maintains better chances, due to his space advantage. The following example illustrates his possibilities quite well: 1 3 ... g5 1 4.!'lfd l f5 1 5.exf5 �xf5 1 6.lLlel lLlf6 1 7.h3 lLlc7 I B.!'lac I lLld7 This was Vasquez - Hamilton, Siegen 1 970. Here White should have continued: 1 9.1Lld3N !'ladB 20.d5 c5 2 l .f4 Retaining better chances.

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a) 1 1 ...�e6 Here I discovered an interesting idea: 8

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1 2.e5!?N The idea is to restrict Black's knight on h5. Both games that reached this position continued 1 2.d5, but I am not so keen to open the long diagonal for the g7-bishop. 1 2 ... lLld7 If 1 2 ...�xc4 1 3.g4 �xfl 1 4.�xfl dxe5 1 5.dxe5 lLld7 1 6.gxh5 g5 1 7.h4 g4 I B.lLlh2 lLlxe5 1 9.�f4 I rate White's chances as higher. 1 3.!'le l dxe5 1 4.lLlxe5! !'1feB After 1 4 ... lLlxe5 1 5.dxe5 !'lfdB 1 6.h3 the threat of 1 7.g4 is very annoying. 1 5.h3 The immediate 1 5.lLlxg6 is not dangerous for Black in view of: 1 5 ...�xd4°o 1 5 ...!'ladB If 1 5 . . . lLlhf6 the tactical idea works well: 1 6.lLlxg6 �xc4 1 7.b3! �e6 I B.�a3 with initiative. 1 6.g4 �xe5 1 7.dxe5 lLlg7 I B.b3 Less convincing is I B.�xh6 �xc4 1 9.b3 �a6. I B ... h5 1 9.f3 lLlc5 20.�g5t

9 ... lLla6 1 0.h3 The natural and useful move virtually forces Black to trade queens in view of the threatened g3-g4. 1 0 ...'Wxd l 1 1 .!'lxd l e5

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1 2.lLlf3!N This seems like the most natural move, as the knight on g5 does not have much to do. After 1 2.�e3 exd4 1 3.�xd4 !'leB! Black is threatening ... h7-h6 and I do not see a comfortable way of defending the e4-pawn. 1 2 ...exd4 After 1 2 ... !'leB it looks good close the centre with 1 3.d5. I often favour this idea in response to Black's ... !'leB, in order to emphasize the fact that he has just wasted a tempo. 1 3 ... cxd5 1 4.cxd5 Even without

Chapter 27 - 6 . . . c6 queens White's space advantage is significant here, for instance 1 4 . . .id7 1 5.ie3 E!ecS 1 6.ifl ctJc5 1 7.ctJd2 with better chances. 1 3.ctJxd4 E!eS I also analysed the following alternatives: 1 3 ... lLlc5 1 4.lLlb3 E!eS 1 5.lLlxc5 dxc5 1 6.f4 ie6 1 7.e5 ctJd7 I S.lLle4 White is obviously better. 1 3 ... lLld7 1 4.lLlde2 lLle5 1 5.b3 f5 1 6.E!xd6 fxe4 1 7.ie3 lLlf3t I S.cj;JhI and Black is about to lose his central pawn. 1 4.lLlb3 lLld7 14 . . .ifS 1 5.if4 E!e6 looks awfully passive. 1 5.E!xd6 lLlb6 No better is I 5 ... ctJac5 I 6.lLlxc5 lLlxc5 1 7.ie3 ixc3 I S.bxc3 lLlxe4 1 9.ixe4 E!xe4 20.E!dSt cj;Jg7 2 1 .E!eI f5 22.f3 E!e6 23.cj;Jf2 and White's initiative should be decisive. 1 6.ifl ie5 1 7.if4 ixd6 I s.ixd6 White has powerful compensation for the exchange, with much more active minor pieces.

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l O eS Black had better establish a pawn in the centre while he has the chance. Too passive is: 1 0 ... lLlbd7 1 l .f4 White grabs more space in the centre. 1 l ...ctJb6 ...

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Clearly inferior is 1 1 .. .c5? 1 2.e5! cxd4 1 3.exf6 exf6 1 4.lLlxh7 cj;Jxh7 Zifroni Chytilek, Siofok 1 996. Now after the simple 1 5.E!xd4N f5 1 6.E!xd6± White is just a pawn up. Here I found a way to improve over the game Becking - Enzmann, Schoeneck 1 996.

1 2.c5!N A very energetic and strong idea. Black faces serious problems, for example: 1 2 ... lLlc4 I 3.b3 ig4 1 4.lLlf3 ctJa5 I 5.cxd6 exd6 I 6.e5 lLleS 1 7.ia3 With an obvious advantage.

l 1 .dS cS Black can also try opening the queenside: l I ... cxd5 1 2.cxd5 I 2.exd5!?N might be an interesting alternative. 1 2 ... a6 I 3.a4 a5? Chiburdanidze - Mona, Abu Dhabi 2007. Black's last move was an unfortunate decision. Now both sides have potential outposts on the queenside, but White is in a much better position to take advantage of them. Better would have been I 3 ... lLlbd7, bur still after 1 4.E!a3 b6 1 5 .lLlf3;!; White retains better chances. I 4.lLlb5N A minor improvement over the game. 1 4 ... lLleS 1 5.lLlf3 ig4 Or 1 5 . . . lLla6 1 6.lLld2± followed by lLlc4.

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1 6.h3 i.xf3 1 7.i.xf3 ttJa6 1 8.i.e3 Black faces a depressing struggle to defend.

12.a3 Planning a standard queenside attack. 1 2 ... ttJe8 13.b4 ttJd7 14J!bl b6 l S.liJbS!? lbdf6 16.!!el h6 17.lbf3 .id7 18 ..id2 liJh7 1 9.a4 White is slowly increasing the pressure, while Black lacks any trace of counterplay, Khismatullin - Gabdrakhmanov, Kazan 2007.

l 2 ... ttJa6 l 3.a3! reaches the line 9 ... ttJa6 1 0.i.e3 i.e6 1 1 .d5 cxd5 1 2.cxd5 i.d7 1 3.a3! below. 1 3.ttJd2 ttJa6 1 4.ttJb3 1 4.a3!? has been played a few times, and also deserves consideration. 14 . . .�d8 1 5.�e2 i.e8 Portisch - Kavalek, Skopje 1 972. Here I developed the following variation:

F3) 8 eS 9.h3 ..•

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1 6.l'%fc l !?N ttJd7 1 7.ttJb5 ttJdc5 1 8.ttJxc5 ttJxc5 1 9.1"k2 White can easily continue to build his queenside initiative, without any fear of counterplay on the opposite flank.

Besides these, there are a few minor lines to check out: 9 ...i.e6 As usual I am rather sceptical about the idea of provoking d4-d5 at the cost of a tempo. 1 0.d5 cxd5 1 1 .cxd5 i.d7 1 2.i.e3 We have already spent some time investigating similar positions, so I will refrain from analysing this in much detail and instead show one model example. 1 2 ... 1"k8

9 ... ttJa6 1 0.i.e3 exd4 Most popular move is 1 0 ...i.e6 1 1 .d5 (Most games saw 1 1 .�e2 but I do not see any reason to refrain from the central advance) 1 1 ...cxd5 1 2.cxd5 id7 l 3.a3! (it is useful to prevent 1 3 ... ttJc5) 1 3 ... ttJc7 Black wishes to activate his misplaced knight via the b5-square. 1 4.b4 �a6 1 5.a4! A very strong and concrete approach. 1 5 ...Wic4 1 6.�c2 ttJa6 17.ttJd2 Wixb4?! (A bad decision; much better was 1 7 ... Wic8 1 8.b5 ttJc5 1 9.ttJc4 Wic7, although it is obvious that after 20.a5 b6 2 1 .1'%fc l White retain better chances.) 1 8.1'%fb 1 �a5 1 9.ttJc4 �c7 20.ttJb5 ixb5 2 1 .axb5 ttJc5 22.lbxd6! White has a large strategic advantage, Maherrarnzade - Guliyev, Baku 2000. 1 1 .ttJxd4 1'%e8 1 2.1'%e 1

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Chapter 27 - 6 . . . c6 Now it is obvious that the combination of Black's queen on a5 and knight on a6 is rather unfortunate for Black. No wonder he has rwice opted for the passive: 1 2 ...\Wc7 Black's main problem is that 1 2 ... lt.k5 is met strongly by 1 3 .lt:lb3! It:lxb3 1 4.axb3 \Wc7 1 5.ixa7! and White wins a pawn. 1 3.\Wd2 lt:lc5 1 4.if4 lt:lh5 1 5.ie3 lt:lf6 1 6.if4 It:lh5 1 7.ig5 a5 I B .l'%ad a White has got a pleasant position in Mikhalchishin - Martinovic, Baku 1 9BO. 9 ... l'%eB 1 0.ie3 The standard 1 0.d5 is also promising, but I found it interesting to study another line. 10 ... exd4 1 1 .lt:lxd4 lt:lbd7 1 2.l'%e l It:lb6?! It would have been better for Black to attack the c-pawn from another direction: 1 2 ... lt:le5 and after 1 3.ifl we reach a position from line F322. l 3 .c5! A very nice tactical trick. 1 3 ... lt:lc4 If 1 3 ...dxc5 1 4.lt:lb3 White gains too many tempos attacking Black's queen. l 4 ...\Wa6 1 5.lt:lxc5 \Wa5 1 6.lt:lb3 \Wb4 1 7.ic5 �c4 I B.ifl �e6 1 9.f4± l 4.lt:lb3 �dB 1 5.cxd6 lt:lxd6 It was necessary to swap queens by means of l 5 ...�xd6, though after 1 6.�xd6 It:lxd6 l 7.l'%ad l It:lc4 I B.ic a White enjoys a pleasant edge. 1 6.id4 lt:lc4 l 7.\Wc2 ie6 l B.l'%ad l �e7 1 9.f4 It:lb6 20.lt:lc5 White was clearly better in Polugaevsky Uhlmann, Amsterdam 1 972.

F31) 9 exd4 lO.lt:lxd4 ...

l O �c5 This is an important line which has been played a few times by Mikhail Tal, although once again there are some other options. ...

1 0 ... lt:lbd7?! This is probably the worst of the bunch. 1 1 .lt:lde2! The attack on d6 is rather awkward to meet, whilst the c4-pawn can now easily be protected with b2-b3. White could obviously have played 1 1 .l'%e1 transposing to line F32, but the text is stronger. 1 l ...�c7 1 2.ie3 l'%eB 1 3.\Wc2 b6 1 4.l'%adl ia6 1 5 .b3 l'%adB 1 6.l'%d2 Black failed to find any counterplay, Stohl Banikas, Istanbul 2000. When that happens, as a rule White will always stand better in this pawn structure thanks to his extra space, more active pieces and pressure in the centre. 1 0 ... l'%eB I only found three games in which this move was played.

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1 1 .if4!N I believe this to be a strong novelty. Less clear is 1 1 .l'%e l ie6!? 1 2.lt:lxe6 l'%xe6. 1 l .. .�b4 I do not really consider 1 1 ... ifB to be a serious option, as it would be a clear admission that Black has lost the opening battle. l 2.lt:lc2 1 2.�b3!? is an interesting alternative that deserves investigation. 1 2 ... �xc4

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Obviously the b2-pawn is untouchable: 1 2 ... �xb2?? 1 3.tt:la4+1 3.1:'fe l ! Th e point. White is i n n o hurry to capture on d6 and instead vacates the f! -square for his bishop. Premature would be 1 3.�xd6? 1:'fdS followed by 1 4 . . . tt:leS. 1 3 . . .�a6 If 1 3 ... 1:'fdS then 1 4.eS! is very strong, for instance 1 4 ... tt:lhS (or 1 4 ... tt:leS I s.igS f6 I 6.exf6 tt:lxf6 I 7.1:'fe7!i) I s.if! �cS 1 6.igS 1:'fd7 I 7.�e3 �aS l S.exd6 �dS 1 9.tt:le4 and White is clearly better, due to his passed pawn. 1 4.�xd6 ie6 I S.�d2 tt:lbd7 1 6.tt:ld4 tt:lb6 1 7.tt:lxe6 1:'fxe6 1 S.b3t White has pleasant advantage, thanks to his bishop pair and better placed pieces. 1 0 ... tt:leS This is too passive; White has no problems in dealing with the ...�cS idea. 1 1 .ie3 �b4 1 2 .�e2 ie6 Black could have won the c4-pawn, but the price is too high: 1 2 ...ixd4 1 3.ixd4 ie6 14.�d2 White simply abandons the c4-pawn to its fate, in order to develop a kingside attack. 1 4 . . .�xc4 Bagaturov - Mrdja, Porro San Giorgio 200 1 . Here I found a strong improvement: I S.b3! It is important to play this move first, as now Black is forced to retreat his queen to an inferior square. l S ...�a6 (The generally desirable I S . . .�b4? loses to 1 6.tt:ldS!) 1 6.f4 f6 1 7.eS with a powerful attack. 1 3.tt:lxe6 fxe6 1 4.a3 �b3 Cvitan - Rukavina, Pula 2002, now I improved White's play: l S.1:'ffd 1 N tt:ld7 This is the natural response, but there is an unpleasant surprise in store: 1 6.cS! tt:lxcs 1 7.eS± 1 0 ...�b4 1 1 .tt:lc2

I think this is White's best option. Black has interesting counterplay after 1 1 .�e2 bS!. 1 l . ..�xc4 1 2.�xd6 Having worked a lot on this variation I noticed that the trade of c4- and d6pawns usually favours White. His pieces have more space in which to operate, and the extra central pawn will generally be a lot more influential than Black's extra c-pawn. 1 2 ... tt:la6 1 3 .ie3 1:'fe8 1 4.1:'ffd l �e6 This position was reached in Trois Chevaldonnet, Reggio Emilia 1 980. Here it is important for White to keep the queens on the board, since an exchange would really help to ease the congestion within Black's position.

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I S.�d2!N �e7 1 6.if4 ie6 1 7.id6 �dS I S .1:'fac1 White keeps the better chances.

1 1 .lLlde2 After a serious investigation of this variation I carne to the conclusion that the text move is the one that gives the highest chances for a white advantage. 1 1 .tt:lb3 has been more popular, but I found 1 1 .. .�b4! to be enough for Black to obtain reasonable play. 1 l 'lWxc4 If 1 1 .. .1:'fdS 1 2.b3 White's space advantage promises him better chances, for instance •••

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Chapter 27 - 6 ... c6 12 ...ttJa6 1 3.a3 Wfe5, which occurred in the game Heurung - Fishbein, Chicago 1 99 1 , and now the simple 14.�e3 ttJc5 1 5.Wfc2 1'!e8 1 6.f3 would promise White better chances.

8 � � .i.m �� .� 7 .'''m ·m � · ,y.��r �""�a '''.' . i� � l_".% _'

� � � �� '%� �� m: m �� D1Z� 8�" { �" �'_ . .%%:.� ��

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/� �iV� M m ·· · ·

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13.i.e3 Also worth considering is 1 3.b3 Wfe6 1 4.�a3 1'!e8 1 5.!'!ad 1 Wfxd6 1 6.�xd6 �e6 1 7.f4 and White maintains a typical edge for this pawn structure, Pavlovic - Krnic, Yugoslavia 1 98 1 . 1 3... 1'!e8 14.!'!acl i.e6 1 5.!'!fdl Wfb4 We have been following the game Cordara Fierro Baquero, Cannes 2007. Up to now both sides have made very natural moves, and here White could have continued the good work with:

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16.lLlf4!N Wfxd6 17.!'!xd6 i.f8 1 8.!'!d2 i.c8 19.tiJd3� White has a small but stable advantage. F32) 9 ... tiJbd7

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12.Wfxd6 lLla6 Black has also tried 1 2 . . . ttJe8 1 3.Wff4!? f5 (This appears fairly logical, but White is ready for it. Relatively best would have been 1 3 . . . �e6, although after 14.ie3 ttJd7 1 5.1'!fd 1 I still prefer White's position.) 1 4.exf5 Wfxf4 1 5.�xf4 �xf5 1 6J'hd l ! Black's minor pieces suffer from a severe shortage of space. 1 6 ... ttJa6 1 7.ttJd4 White was clearly better, Janjgava - Bagaturov, Ankara 1 995.

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This is the most popular continuation.

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Now we reach a further division in the material. We will analyse: F32 1) 1O ... !'!e8 and F322) 10 ...exd4, after first checking a few minor alternatives. 1 0 ... b5 I l .cxb5 cxb5 1 2.a4! This principled reaction should lead to a fine position.

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12 ... b4 13.'Llb5 'Lle8 1 4.dxe5 dxe5 The best chance for Black appears to be 1 4 ... 'Llxe5, although after 1 5.'Llxe5 dxe5 1 6.ie3 ie6 I 7.�e2 'Llf6 1 8.'Lld6! White retains a pleasant advantage. I 5.ie3 a6 I 6.'Lla7! Black was already facing severe problems, Dizdar - Klinova, New York 1 997.

once to 2 1 .Elxe6!+-) 2 1 .c5 ixd6 22.cxd6 with more than enough compensation for the exchange. 1 3 .'Llc2 �b6 This position has been reached in a couple of games, but for some reason no-one has played the obvious:

1 0 ...�b4

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This is rare guest in modern tournament practice, but it is important to examine it, j ust in case. I I .ifl The only way to defend the c-pawn, but it is good enough. 1 1 .. .exd4 1 2 .'Llxd4 Black's queen appears to be misplaced on b4, and will soon have to waste time avoiding threats. 1 2 ... Ele8 Too passive is 1 2 . . . 'Lle8 1 3.a3 �c5 1 4.ie3± Vijayalakshmi - Son, Kuala Lumpur 2005. More interesting, but still hardly sufficient for equality, is 1 2 ... 'Lle5 1 3.'Llc2 �b6 14.ie3 �c7 1 5.f4 'Lled7 1 6.�d2 Ele8 1 7.ifL 'Llb6 1 8.Elad 1 ie6 Cori Tello - Almeida Quintana, Malaga 2008. Here White could get a serious edge by concrete means: 19.�xd6!N �xd6 20.Elxd6 if8 (Black cannot play 20 ...ixc4 in view of 2 1 .ixb6 ixfl 22.id4+-, while 20 ... 'Llxc4? loses at

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14.�xd6!N I was unable to find a way for Black to j ustify the pawn sacrifice, for instance: 1 4 . . . 'Llc5 Another line is 14 ... 'Llh5 1 5.g4! ie5 1 6.�d l 'Llf4 1 7.�f3! 'Lle6 1 8.Elb l and Black hardly has sufficient compensation. 1 5.�f4 a5 1 6.Elb 1 'Llh5 1 7.�f3 ixc3 Regaining the pawn, but exchanging this mighty bishop for a knight is a concession in itsel( 1 8.�xc3 'Llxe4 1 9.�e3 White's powerful dark-squared bishop guarantees his advantage, regardless of whether or not the queens remain on the board.

F32 1) lO .. J3e8 1 1 .d5 On this occasion blocking the centre is the clear first choice, as after 1 1 .ie3 �b4! 1 2.�b3 a5 Black has a good game.

1 1 ...cxd5 Black must try to play actively if he is to justify the position of his queen.

Chapter 27 - G . . . cG 1 1 ...c5?! would make no sense, as the queen is not only misplaced but will also be forced to waste additional time after b2-b4. Here is a good illustrative example: 1 2.:gb l aG 1 3.a3 fic7 1 4.i.fl lUf8 Black has a solid position, but suffers from a lack of space and virtually no prospects of counterplay. 1 5 . b4 b6 1 6.ie3 id7 1 7.a4 It was also possible to double rooks on the b-file before playing this move. 1 7 ... :geb8 1 8. lUd2 fic8 1 9. � h2 ttJe8 2o.fic2 if6 2 1 .:gb3 a5 22.bxc5 bxc5 23.ttJb5 White was much better in Kelecevic - Baljon, Eerbeek 1 978.

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1 6.fic2!N when I analysed the following line: 1 6 ... ttJb6 1 7.ttJc3 fic5 1 8 .ie3 fic7 1 9.ifl id7 20.:gc1 and White keeps serious pressure on the queenside.

14.ie3 Wd8 1 5.tiJd2 Black managed to grab some space on the queenside, but on the other hand White has now clear ideas to exploit the newly created weaknesses there. This might be achieved by means of a timely a4 advance, or by manoeuvring a knight towards the c6-square with ttJb3-a5 or ttJa2-b4.

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12.cxd5 b5 Too slow is 1 2 ... a6?! 1 3.i.e3 ttJc5 (If 13 ... b5 1 4.ttJd2 White saves a tempo by omitting a2-a3; compare the main line below.) 1 4.ttJd2 fic7 1 5.ifl b6 1 6.:gc1 fib8 1 7.b4 ttJcd7 1 8.ttJc4± Portisch - Freyre, Thessaloniki 1 984. 13.a3 It is essential to take measures against ... b5b4. 1 3 .. a6 The alternative is 1 3 . . . b4 1 4.ttJa4 bxa3 1 5.:gxa3 :gb8, as played in the game Hjartarson - Vasiukov, Moscow 1 987. Now White should have played: .

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1 5 ... tiJb6 This looks more challenging than: 1 5 ...ib7 It is already a bad sign for Black if he feels compelled to develop this piece on such an unfortunate square.

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1 6.b4 l:%c8 1 7.'lWb3 lLlh5 1 8.a4 bxa4 1 9.1Llxa4 f5?! Grabarczyk - Bastian, Germany 2006. Now White overlooked a nice tactical solution: 20.exf5N gxf5 2 1 .lLlc5! lLlxc5 2 1 ...dxc5 loses to: 22.d6t c4 23.lLlxc4 ixg2 24.lLlxe5t+22.bxc5 f4 23.'lWxb7 fxe3 24.l:%xe3 ih6 After 24 ...l:%xc5 25.lLle4 l:%b5 26.'lWxa6 White has a healthy extra pawn and a winning position. 25.lLle4 ixe3 26.fxe3 dxc5 27.l:%fl l:%f8 28.d6+-

16Jkl l:H8 17.liJa2! In this position the plan of invading on c6 works well. 17 ... liJfd7 1 8.lLlb4 f5 19.1tJc6 'lWf6 20.exf5 gxf5 We have been following the game Ivkov Minic, Vinkovci 1 968. Black managed to carry out the thematic ... f7 -f5, but we will see that this is far from a complete solution to his problems.

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21 .g4!N This resolute move leaves White's advantage in no doubt. He will soon conquer the crucial e4-square, leaving Black with considerable problems to solve.

F322} 10...exd4 1 1 .liJxd4

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1 1 ...liJe5 As LlSUal in such positions, Black has tried a variety of alternatives. 1 1 . ..ltJc5 been a rare guest in tournament practice, so it is not surprising that so far no one has tried: 1 2.if4!N l:%d8 1 3.lLlb3! ltJxb3 1 4.axb3 'lWc7 I 5 .'lWd3 and White enjoys a pleasant space advantage. 1 l .. .l:%e8 1 2.ie3 'lWb4?! This is an independent option, but it is tactically flawed. 1 2 ... lLle5 1 3.ifl reaches our main line ( l l . . .lLle5 I 2.ifl l:%e8 1 3 .ie3), and 1 2 ... lLlb6?! 1 3.c5! was examined in the note to Black's 9th move on page 449 (9 ... l:%e8 1 0.ie3 exd4 1 1 .lLlxd4 lLlbd7 1 2.l:%e1 lLlb6?! 13.c5!). 12 ... lLlc5? is not a realistic option in view of 1 3 .lLlb3! lLlxb3 1 4.axb3 'lWc7 1 5.ixa7! with an extra pawn. 1 3.a3! This effectively refutes Black's last move. 1 3 ... 'lWa5 The pawns are untouchable: 1 3 ...'lWxb2?? 1 4.lLla4 and 1 3 ...'lWxc4?? 14.ifl both lose the queen. 1 4.b4 'lWc7 1 5.l:%c 1

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Chapter 27 - 6 . . . c6 White is much bener, Vladimirov - Savon, Baku 1 96 1 .

This simple reaction is the best. 1 3 ... 'lWxd4

1 l ...ltJb6 1 2.ifl l:'i:eB 1 3.if4 This is more ambitious than the modest 1 3.l:'i:b 1 !?, which is still a reasonable alternative. 1 3 . . .ie6 The idea [0 exchange queens by 1 3 ... 'lWh5 is not really working after 1 4.g4!, as 1 4 . . . ltJxg4?! 1 5.hxg4 ixg4 16.'lWd3 can hardly promise Black sufficient compensation. a

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1 4.ltJb3!N This is an obvious improvement over 1 4.e5 dxe5 1 5.l:'i:xe5 'lWb4 1 6.ltJxe6 fxe6 when Black's activity fully compensates his pawn weaknesses, A. Schneider - Serrer, Budapest 1 9B7. 1 4 ... 'lWh5 1 5.g4 ltJxg4 Also 1 5 ...'lWh4 1 6.ltJa5! d5 1 7.cxd5 cxd5 I B.'lWd2! does not bring Black any relief. 1 6.hxg4 ixg4 1 7.'lWd3 g5 17 ...ie5 I B.ixe5 l:'i:xe5 1 9.f4± This position was reached in Kaczorowski Braun, e-mail 2004. Now after: 1 8.ig3N Black does not have enough for the sacrificed piece. 1 1 . ..'lWc5 1 2.b3 ltJd5 For me it is absolutely clear that such a tactical idea cannot work well for Black. 1 3.exd5

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1 4.id2!!N A strong novelty. It is certainly not a big pleasure for Black to defend the endgame that arose after 14.ib2 'lWxd l 1 5.l:'i:axd 1 c5, Jasnikowski - Foyge!, Moscow 1 99 1 , but the text is even stronger. 1 4 ... cxd5 If 14 ... 4Je5 1 5 .l:'i:c l ! It is not easy to find a reasonable move for Black, for instance: 1 5 ...if5 1 6.g4 id7 1 7.ltJe2 'lWb6 1 8.ie3 'lWc? 1 9.f4± 1 5.4Jxd5!! 1 5.ixd5± is enough for a pleasant advantage, but the text is the main idea behind the previous move. 1 5 ...'lWxa l 1 6.'lWxa 1 ixa1 1 ? l:'i:xa 1 Despite being the exchange down White's initiative is extremely dangerous.

1 2.ifl

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1 2. . J!e8 Needless to say Black has other moves as well.

1 6 ... lLle8 Chiburdanidze - Kovalevskaya, Hyderabad 2002. Now I improved White's play:

12 ... ie6 1 3.lLlxe6 fxe6 Black gets a flexible pawn structure, but the absence of a light squared bishop is significant. 14.ie3 �ad8 1 5.f4 lLlf7 1 6.ig2 lLld7 1 7.�c 1 lLlb6 (If 17 ... 'Wb4 1 8.'We2 lLlb6 1 9.1Lld l ;!; White comfortably defends all his pawns and is ready to transfer his knight to fl.) 1 8 .'Wb3 �fe8 a

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This was Bradford - Bonin, USA 2007. Now after 1 9.�c2N:t White keeps everything under control and is ready to double rooks on d-file with �d l and �cd2. 1 2 ...'Wb6 Black tries to create concrete problems, but White remains on top with careful play. 1 3 .ie3! c5 Taking the b-pawn is practically suicidal: 1 3 . . .'Wxb2? 14.lLla4 'Wxa l (Relatively best, as 14 ...'Wa3 1 5.ic1 'Wb4 1 6.id2 'Wa3 1 7.�e3 traps the queen anyway.) 1 5.'Wxa1 c5 1 6.f4 lLlfg4 1 7.hxg4 lLlxg4 1 8.e5 and White is winning, Nunez - Almeida Quintana, Havana 1 999. 1 4.lLlc2 ie6 1 5.b3 'Wa5 1 6.id2 Black is lacking active ideas and will soon have to start worrying about defending the d6-pawn, while White can slowly look to activate his pieces.

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1 7.lLle3!N 'Wd8 Or 1 7 ... lLlf3t 1 8.'Wxf3 ixc3 1 9.ixc3 'Wxc3 20.�ad l;!; 1 8.lLled5 'Wd7 1 9.1Llf4 lLlc7 20.�c 1 We reached a complex position, but the weakness of the d6-pawn and full control over the d5-square are long-term factors that define White's advantage.

1 3.ie3 White top choice according to theory. 1 3.�b l is another decent move. 1 3 ...ie6 Here Black has an important alternative: 1 3 . . . c5 1 4 .lLlb3 The main idea of Black's 1 3th move is that White cannot play 1 4.lLldb5? due to the nice tactical blow 14 ... lLlxe4! 1 5.lLlxe4 'Wxe l . 1 4 ...'Wb4

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457

Chapter 27 - 6 . . . c6 1 5.a3!N The fruit of my homework. Strangely enough I failed to discover any advantage for White after other moves, for instance 1 5.'lWxd6 It:lf3t 1 6.\t>h l lt:lxe l 1 7.i.xc5 'lWxc3! 1 8.bxc3 It:lxe4 and Black seems to be fine in this crazy position. 1 5 ...'lWb6 After 1 5 ... lt:lf3t 1 6.'lWxf3 'lWxb3 1 7.�ad l �e6 (clearly inferior is 1 7 . . .'lWxb2?! 1 8.lt:lb5!) 1 8.i.f4 It:le8 1 9.�d2 White has an obvious positional edge. 1 6.lt:ld2 i.e6 Again the b2-pawn is untouchable: 1 6 ...'lWxb2?? 1 7.lt:la4+1 7.b4 'lWd8 1 8.�b l b6 1 9.b5!t Establishing control over the c6-square and intending to drive Black's knight away from the centre with f4. White is definitely better.

1 5 . . . a6 1 6.c5!? This is an important thematic sacrifice in this line. In return for the pawn White gets a chance to mobilize his central pawns with f4 and e5, freeing the e4-square for the knight. 1 6 ... dxc5 After 1 6 ... �d8 White obtains a pleasant position with the simple 1 7.cxd6 �exd6 1 8.'lWa4!. 1 7.f4 'lWb4? Presumably impressed with his opponent's concept, Black takes the rather drastic decision to sacrifice a piece. He should certainly have opted for 17 ... �d8 1 8 .'lWc2 lt:led7 1 9.�ad l b5 20.i.f2! The last preparatory move before e4-e5. 20 ... lt:le8 2 1 .e5 White has great compensation for the pawn, but there is still a lot of play left in the position.

14.ttJxe6 �xe6

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l S.i>g2! White has to take control over the f3-square, in order to defend against the tactical idea of 1 5 ... lt:lxe4! 1 6.lt:lxe4 'lWxe l ! 1 7.'lWxe 1 lt:lf3t. lS ... �ae8 The most natural move, although a few others have also been tried:

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1 8.fxe5!N In the game Marin - Grigore, Galati 2006, White opted for 1 8.i.f2. Although this was sufficient to maintain an advantage, I see absolutely no reason not to accept the piece. 1 8 ...'lWxb2t 1 9.�e2 'lWxc3 20.exf6 �xf6 2 1 .�c 1 Despite the approximate material balance, White's position is almost winning. 1 5 ... lt:led7 1 6.f3 White is obliged to protect the e-pawn, since 1 6.�b l It:lxe4 1 7.lt:lxe4 �xe4 1 8.'lWxd6 It:lf8 is fine for Black.

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1 6 ... lDh5 1 6 ... i'l:aeB 1 7.i'l:b 1 would transpose to the main line below. 1 7.Wld2 i'l:aeB 1 B.g4! This resolute move meets the demands of the position. 1 B . . .i.xc3? Black should have preferred the modest 1 B ... lDhf6, after which White should continue 1 9.i'l:ab l Wlc7 20.b4 with slightly better chances.

White is not yet ready for 1 B.c5 d5! and Black was okay in Vaganian - Smejkal, Germany 1 997. I B . . .WlbB 1 9.c5 Now that Black is lacking the ... 'ifffc6 resource, the ... d5 response does not work. 1 9 ... i'l:dB This was Ivanchuk - Radjabov, Nice 2009. In this position I found a small improvement for White: 8 7 6 5 4 3 2

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Now in Borisenko - Petersons, Kiev 1 964. White missed the simple: 1 9.Wlxc3!N Wlxc3 20.bxc3 lDhf6 2 1 .i.xa7! White is simply a pawn up, with two potentially monstrous bishops against two knights. The weakness of his queenside structure is hardly enough to make the position a playable one for Black.

16.i'l:bl !? According to the database this is only White's fourth most popular choice, but I would pay more attention to the fact that it was Ivanchuk's choice in a recent game with King's Indian specialist Teimour Radjabov. 16... ttJed7 I regard this as Black's most challenging reply, but we must also consider the aforementioned super-GM game which continued: 1 6 ... a6 1 7.b4 Wlc7 I B.i'l:c l

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20.Wlb3!N White seems to be better after this logical move. 20 ... dxc5 Or 20 ... d5 2 1 .exd5 lDxd5 22.lDxd5 cxd5 (Black's problem is that the otherwise desirable 22 ... i'l:xd5 runs into 23.f4! followed by 24.i.c4) 23.i'l:cd U. 2 1 .bxc5 lDd3 22.i.xd3 i'l:xd3 23.i'l:cd 1 i'l:d7 24.i.f4 WleB 25.f3 lDh5 26.i.e3;!; It is clear that White's pawn majority is much more potent that Black's.

17.S a6 1 8.b4 Wld8 19.'lWdZ h5!? This position was reached in Cvitan Volokitin, Celje 2004. Black is searching for counterplay on the kingside. He intends to search for activity on the dark squares by means of 20 ... h4 2 1 .g4 lDh7 etc. I believe this is the right moment to start concrete action in the centre, hence the following important improvement:

Chapter 27

8 7 6 5 4 3 2 1

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24...:Sed8 2S.'lWe2 tbfd7 26.hd6 'lWxd6 27.llJe4 27.Wie3!? is another decent option. 27 ...'lWffi 28.'lWe3!

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20.cS!N The game saw 20.i.f2 h4 2 1 .g4 lt:lh7 22.lt:le2 i.h6! 23.Wixh6 g5 24.Wih5 It:ldf6 25.Wih6 lt:ld7 and a draw was agreed. 20 ...'lWe7 Black fails to prove his compensation after 20 ... h4 2 1 .i.c4! hxg3 22.i.xe6 �xe6 23.�bd l ± when the g3-pawn does a nice job of defending White's king! 2 1 .cxd6 �xd6 22.'lWc2 bS Worse is 22 ... h4?! 23.e5! It:lxe5 24.f4 It:led7 25.i.c5 'lWf8 26.i.xd6 Wixd6 27.�xe8t It:lxe8 28.lt:le4 Wie7 29.�e l hxg3 30.Wid2! It:lf8 3 1 .i.c4 with a clear advantage. 23.eS! A very concrete and strong approach. In case of the slow 23.a3 Black is in time to regroup successfully; 23 ... h4 24.g4 lt:lh7 25.�ed l lt:lhf8 26.lt:le2 lt:le6 27.f4 c5! with balanced play. 23 ... llJxeS 24.�cS! White must be accurate. The tempting 24.f4 does not work after 24 ... lt:lc4 25.i.xc4 Wid7!! and White cannot retreat with his bishop in view of 26 ...�xe3 threatening ... �d2t.

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Black has a degree of compensation, but I doubt that it is really enough.

Conclusion: 6 ... c6 is an extremely flexible move, and we have seen over the course of the chapter that it might give rise to a whole host of different pawn structures and position types. After the standard reaction of 7.0-0 White's most promising course of action will usually involve taking control over the centre with e2-e4, followed by an appropriate reaction to whichever set-up Black has adopted. In general, White's harmonious development and extra central space should provide good chances for an opening advantage, although precision will be required in certain critical variations.

King's Indian a

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Variation Index l .d4 tiJf6 2.c4 g6 3.g3 �g7 4.�g2 0-0 5.tiJc3 d6 6.tiJf3 tiJbd7 7.0-0 e5 8.e4 A) 8 ... a6 B) 8 ... h6 C) 8 ... exd4 9.tiJxd4 CI) 9 ... c6 C2) 9 ... ge8 1O.h3 C2 1 ) 1 0 ... a6 C22) 1O ... tiJc5 l l .gel C22 1) 1 l ... c6 C222) 1 l ... a5 C223) 1 1 ...�d7 12.@h2!? C223 1) 1 2 ... h6 C2232) 12 ... a6 D) 8 ...c6 9.h3 D I ) 9 ... a6 D2) 9 ... ge8 A) after 14 ... ifB

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e2 1 ) note to 1 2 .. c5

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Chapter 2 8 - 6 ... tt::l b d7

l .d4 �f6 2.c4 g6 3.g3 ig7 4.ig2 0-0 5.�c3 d6 6.tt::l f3 tt::l bd7 7.0-0 e5 This is the overwhelmingly most popular choice, but there are also a few rare lines to consider. 7 ... :ge8 8.e4 hardly leaves Black with anything better than 8 ... e5, when 9.h3 will lead to one of the main lines. 7 ... c6 8.e4 Now Black must already begin to worry about 9.e5. 8 ... Wc7 Obviously the most common move is 8 ... e5 reaching line D. 8 . . .\Wa5 9.:gb 1 ! looks like a promising way to exploit the early queen sortie. (White could also have played 9. :ge l which almost forces 9 ... e5, thus transposing to Line F32 of Chapter 27.) 9 ... e5 1 0.d5 c5 1 1 .a3 White intends to follow with 1 2.b4 and it is obvious that Black's queen is misplaced on a5, Roiz Godes, Tel Aviv 1 997. 9.h3 e5 1 0 .ie3 :ge8 1 l .d5 White is also better after other moves, but the text clearly underlines the poor placement of Black's queen, as well as the e8-rook. l 1 ...c5 Obviously after 1 1 ...cxd5 1 2.cxd5 Black's queen would soon be forced to waste time moving again. 1 2.ttJe1 a6 1 3.a4 b6 1 4.ttJd3 :gb8 1 5.\Wd2 ttJh5 1 6.if3 ttJhf6 1 7.g4 <j;Jh8 1 8.ig2 ttJf8 1 9.b4 White was clearly better in Kasparov Capitelli, Asiago 1 99 1 . 7 ... c5 I do not rate the combination of ... ttJbd7 and ... c5 very highly. 8.d5 ttJb6 Another plan is 8 ... a6 9.a4 ttJe8, but it also hardly sufficient for equality. 1 0.a5 b6 1 1 .axb6 ttJxb6 1 2. ttJd2 ttJf6 Rustemov

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- Kramnik, Internet (blitz) 1 999. Now White should have played 1 3.b3N. It is understandable that he wished to avoid the temporary weakening of the long diagonal, especially in a blitz game, but in reality Black is unable to exploit it due to the exposed position of his rook on a8. 1 3 ... :gb8 ( 1 3 ... ttJfxd5? loses material after 1 4.ttJxd5 ixa1 1 5.ttJxb6) 1 4.ib2 e6 1 5.\Wc2 exd5 1 6.cxd5 and White has a favourable version of a Benoni position. 9.ttJd2 e6 Otherwise Black's set-up would be senseless. 1 0.h3 exd5 1 1 .cxd5 Again we have reached a Benoni-type position, this time with Black's knight on b6. It is obvious that it is misplaced here and only stops Black's activity on the queens ide. 1 1 .. .ttJfd7 1 2.f4! Not allowing ... ttJe5 followed by ... ttJbc4. 1 2 .. .f5 1 3.a4 As usual, it is essential to obtain the c4square for White's knight. 1 3 ... ttJ f6 1 4.a5 ttJbd7 1 5.ttJc4 ttJe8 1 6.e4 fxe4 1 7.ttJxe4 ttJdf6 l S .ttJg5± White was much better i n Timman Mueller, Zurich 1 988. 7 . . .a6 S.e4 c5 8 ... e5 reaches line A below. Obviously inferior is 8 ... :gb8?! 9.e5! ttJeS 1 0.if4 and Black has a passive position. The "active" 1 0 ... c5?! only made things worse after 1 1 .dxc5 ttJxc5 1 2.exd6 ttJxd6 1 3.ttJd5! with serious pressure, Ionescu - Nanu, Bucharest 1 998. 9.e5 The most challenging continuation. 9 ... ttJeS Only a few games reached this position, and I was not particularly impressed with White's play in any of them. That is why I propose a new move:


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Moves like 8 ...Ele8 and 8 ... a5 do not have any real independent value, as after 9.h3 intending ie3 Black will usually exchange on d4 within a move or [WO.

A) 8 a6 9.Wc2!? •.•

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10.ie3!?N Here is my brief analysis: 10 ... cxd4 1 1 .ixd4 dxe5 1 2.ixe5 ixe5 Another line is 1 2 ... lLlef6 1 3.if4 Ele8 1 4.Ele l Wa5 1 5.lLle5 and White's pressure is annoying. 1 3 .lLlxe5 lLlef6 1 4.lLld3t White maintains better chances, thanks to his strong light-squared bishop.

8.e4

This is just about the only time we will be employing a set-up involving a quick Eld l . In this particular situation it works very well for White, especially taking into account that other lines can quickly become very double edged, for instance 9.Elel exd4 l o.lLlxd4 lLlg4!?, or 9.h3 b5!?

9... exd4 One of the key points of9.Wc2 is that White is ideally placed for: 9 ... b5 1 0.dxe5 dxe5 1 1 .gd l ! Black has no time for ... c6 since his e5-pawn is hanging. Therefore he is obliged to play: 1 1 ... b4 But this is an obvious positional concession. 1 2.lLld5 gb8 I found five examples of this position on my database. Several moves have been tried, but to tell the truth I do not understand why nobody seems to have tried the natural: 1 3 .ie3N Black is under pressure, for example: 1 3 ... c6 1 4.lLlxf6t ixf6 1 5.Eld2 Wfc7 1 6.c5± The main alternative is 9 ... c6 l O.Eld l :

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This is the real starting point for the whole variation. We will examine four moves in detail: A) 8 .a6, B) 8 ... h6, C) 8 ... exd4 and D) 8 ... c6 (excluding 9 ...Wb6) . ..

The big main line with 8 ... c6 9.h3 Wb6 is considered in the next chapter. a

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Chapter 28 - 6 . . . tU bd7 White is already threatening to capture on e5, so we will examine the following three moves. a) 1 0 ...Wc7 1 1 .h3 b5 1 2.c5! This is a thematic reaction after Black advances his b-pawn. 1 2 ... dxc5 1 3.dxe5 tUe8 Clearly inferior is 1 3 ... tUxe5 1 4.tUxe5 Wxe5 1 5.if4 We6 ( l 5 ...We8 16.id6±) 1 6.gd6 We7 1 7.gxc6 id7 1 8.id6 We6 1 9.9b6 intending 20.e5 with a big advantage, Oanet - Le Ou, Besancon 1 999. 1 4.a4 gb8 1 5.axb5 axb5 1 6.ie3 h6 Montalban - Oefez Gomez, Mislata 1 995. Here I suggest: 1 7.tUe2N c4 1 8.e6! fxe6 1 9.tUf4 White has a serious initiative.

deviate from this transposition with the strange looking move: 1 l . ..if8 1 2.ie3 b5 This occurred in Goldin - Bronstein, Polanica Zdroj 1 988. Now White should once again react in the typical way:

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b) 1 0 ...We7 I l .h3 b5 Perhaps it was objectively better to play more modestly with something like 1 1 ... h6 1 2.ie3 exd4 1 3.tUxd4 ge8, but obviously Black's set-up does not make a healthy impression, especially with his queen misplaced on e7. 1 4.ge l White can afford to lose a tempo. 1 4 ... Elb8 This was Ingbrandt - Hillarp Persson, Orebro 2000. At this point I like the positional 1 5.a4t, completely preventing all Black's possible ideas involving . . . c5 followed by . . . b5. 1 2.c5! Again this typical idea works well. 1 2 ... dxc5 1 3.dxe5 tUe8 1 3 ... tUxe5 1 4.tUxe5 Wxe5 1 5.if4 was examined in the 1 0 . . .Wc7 jine above. 1 4.ig5 We6 1 5.tUe2! tUxe5 1 6.Wxc5 f6 This blocks the dark-squared bishop, bur White was threatening to win the exchange with ie7. 1 7.ie3 White has an obvious positional advantage. c) 1 0 . . . ge8 I l .h3 Now l l ...b5 1 2.dxe5 dxe5 1 3 .ie3 We7 will be examined in line 0 I , but Black can

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1 3 .c5!N Now I analysed the following line. 1 3 ... exd4 1 4.tUxd4 tUxc5 Or 1 4 ... ib7 1 5.tUb3 Wc7 1 6.cxd6 ixd6 1 7.gac l with a pleasant position for White. 1 5.tUxc6 Wc7 1 6.tUb4 ib7 1 7.tUbd5 tUxd5 1 8 .tUxd5 ixd5 1 9.9xd5 White's positional advantage is beyond any doubts.

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An important alternative is: 1 0 ... lLle5 1 1 .b3 !d7 There is also 1 1 ...c5 1 2.lLlde2 :gbB Here it is essential to prevent Black's counterplay connected with the ... b5 advance, so: 1 3.a4! !g4 (If 1 3 ... :geB 1 4.h3 b6 1 5.!g5 h6 1 6.!e3 Black ends up in a passive position, for instance 1 6 ... h5 1 7.:gad l Vlic7 Epishin - J. Polgar, Madrid 1 995, and now 1 B.f4N lLlc6 1 9.Vlid3 lLla5 [ 1 9 ...!fB 20.f5t] 20.lLlcl !b7 2 1 .f5 would secure White's edge.) 1 4.f3 !d7 1 5.:gd l lLleB This was Illescas Cordoba - Piket, Linares 1 995. Here I suggest the natural 1 6.!b2N (in the game White rushed with 1 6.f4) 1 6 ... lLlc6 (too risky is 1 6 .. .f5 1 7.f4 lLlg4 1 B.:gd3!) 1 7.lLld5 with a pleasant edge for White.

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1 5 ... bxc4 1 6.bxc4 :gbB 1 7.:gab 1 ± White is firmly i n control. H e has prevented all possible counterplay, and now threatens to drive Black's knight to the edge of the board by means of 1 B.h3.

l 1 .l;dl :gb8 Black continues preparing his queenside counterplay. 1 l ...lLle5 This meets with a powerful retOrt. 1 2.c5! !g4 1 2 ... dxc5 1 3.lLlf5 Vlixd l t 1 4.lLlxd l gxf5 1 5.exf5± leaves Black without reasonable compensation. 12 ... !d7 1 3.f4 j ust transposes to 12 ... !g4, with one fewer move having been played. 1 3.f3 !d7 1 4.f4! This is much stronger than 1 4.lLlb3 Vlie7 with double-edged play, Strikovic - Tissir, Lorca 2006. 1 4 ... lLlc4 Clearly worse is 14 ... lLlc6 1 5.lLlxc6 !xc6 1 6.e5! lLlg4 1 7.h3 with a big advantage.

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1 2.!b2!N Strangely enough nobody seems to have played this natural move. 1 2 ... c5 I also examined 12 ... :geB 1 3.:gad 1 VlibB, after which 1 4.f4 lLlc6 1 5.lLlxc6 !xc6 1 6.lLld5t gives White a stable edge. 1 3.lLlde2 b5 14.f4! A logical reaction. Now White obtains the advantage by concrete measures. 1 4 ... lLleg4 After 1 4 ... lLlc6 1 5.:gad 1 Black has problems defending the d6-pawn. 1 5.Vlid3 White comfortably covers the e3-square.

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1 5.b3!N This is a serious improvement over 1 5.c6 bxc6 1 6.e5 lLlg4 with a very complex game, Ullrich - Beckemeier, Germany 1 9B5. 1 5 ... lLla5 If 1 5 ... dxc5 1 6.lLlde2 Black will be hard pressed to meet the intended 1 7.e5. 1 6.!a3

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Chapter 28 - 6 ... ttJbd7 Also interesting is 1 6.�b2 ttJg4 1 7.Wie2 dxc5 l S.ttJc2 with very interesting compensation, for instance: l s ...Wics 1 9.e5 1"1bS 20.ttJe4 b6 2 1 .h3 ttJh6 22.g4� White has a powerful initiative for the pawn. 1 6 ... dxc5 16 ... ttJg4 1 7.Wic1 does not help Black. 1 7.�xc5 b6 l S.�a3 c5 1 9.ttJf3 White's chances are clearly preferable.

1 2.h3 This is invariably a useful move in this variation, preparing to place the bishop on e3. 8

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b6 1 7.a3 �b7 1 S .1"1ab l l:!edS 1 9.l:!xdSt WixdS 20.b4 in Studeny - Pachow, Germany 2003.

14.1£4! The complications resulting from 1 4.l:!xd6 b4 are far from clear.

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14...1£8 At first glance this looks like an admission of failure, but White must still play accurately to contain his opponent's initiative.

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1 2 ...cS Black has also tried 1 2 ...Wie7 1 3.�g5 WifS, but this seems a bit too passive. White continues with 1 4.a4 Preventing all hopes of counterplay with ... b5. 14 ...�h6 1 5.Wid2 ( l 5.f4!? was also worthy of consideration.) 1 5 ...�xg5 1 6.Wixg5 Vflg7 1 7.cJih2 ttJc5 l S.'IWe3 and White was clearly better in Ivanchuk - Narciso Dublan, Barcelona 2006. 1 3.liJf3! Less clear is 1 3.ttJde2 ttJe5 1 4.b3 b5 1 5.f4 ttJed7. 1 3 ... hS Black gOt into an unpleasant position after 1 3 ...Wie7 1 4.�f4 ttJe5 1 5.ttJxe5 dxe5 1 6.ie3

While I was preparing the present chapter, I also decided to analyse a principled move that had not yet been tested: 1 4 ... b4 By a curious quirk of fate, the very same move was most unexpectedly played against me before the book was published! 1 5.ixd6 bxc3 1 6.�xbS It seems to me that Black fails to get sufficient compensation for the sacrificed exchange. 1 6 ... Wib6 1 6 ... cxb2 runs into: 1 7.1"1ab l ttJxe4 l S.ie5!± and the b2-pawn is fal ling. 1 7.�f4 Wixb2 At the time of the game the only contin uation I had analysed was 1 7 ... cxb2 l S.l:!ab 1 ttJxe4, when White has the strong 1 9.1:!e 1 f5 20.ttJg5! with a clear advantage. We have been following the game Avrukh

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- Rudolf, Ohrid 2009. In the game I immediately went wrong and allowed my opponent to obtain genuine compensation. However, with accurate play White should be able to maintain control. The correct response is: I S.tOel ! The point is seen in the following forcing line: I S . . .\Wxc2 I 9.tOxc2 tOxe4 20j:!e l ! f5 2 l .f3 tOef6 22.l::! x eSt tOxeS 23.!!b 1 White should win the ending.

16.tOa4 lLlh5 17.,ig5 f6 Black faces serious problems after: 1 7 ...\Wc7 1 S.exd6 ixd6 1 9.\Wd2! ie7 (or 1 9 . . .ifS 20.g4!) 20.!!e 1 tOb6 2 1 .tOxc5!± 1 8.exf6 lLl hxf6 Now I analysed the following continuation: 1 9.a3 a5 20.axb4 axb4 21 .if4 \We7 22.'\Wd3! White keeps definite pressure.

Now I propose a simple move:

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1 5 ... h4 Others would lead to serious problems for Black. Now the game follows a forcing sequence.

B) 8 . h6 ..

This used to be quite a popular move, especially in the late 1 9S0s. Black's idea is to prepare the manoeuvre . . . tOf6-h7-g5, with the idea to exchange a pair of knights and perhaps generate some pressure against the white kingside.

9.h3 lLlh7

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1 5.e5N The only game saw 1 5.cxb5 axb5 1 6.a4 Pezzica - Fritz, e-mail 2002. Now Black missed the strong idea 1 6 . . .i.b7!N with unclear play. However, White does have a second promising idea in the exchange sacrifice 1 5.!!xd6!?N i.xd6 1 6.i.xd6 !!b6 1 7.i.f4 (Unfortunately after the natural 1 7.e5 Black has a strong defensive idea at his disposal: 1 7 . . .i.b7 l S .!!dl \WaS! When he is by no means worse.) 1 7 ...i.b7 l S.tOd2 White has nice compensation. He intends to play tOd5 at a suitable moment and to recapture with the c-pawn in the event of an exchange.

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White has several routes to a slight plus, but I choose to recommend the following.

10.ie3 lLlg5 1 1 .lLlxg5 hxg5 1 2.!!cl I like this positional move quite a lot.

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Chapter 28 - 6 ... ttJbd7

12 ... exd4 The "waiting" strategy is hardly a good idea for Black: 1 2 . . . c6 1 3.d5 c5 1 4.ttJb5! VfJe7 1 5.VfJd2 f6 1 6.b4 b6 1 7.a3 and White has much better chances, Lingnau - Schoenberger, Muenster 1 997. 13.,ixd4 lbeS

White has a slight positional edge thanks to Black's permanently weak d6-pawn, Borovikov - Matjushin, Kharkov 2000.

C) S ...exd4 White was not really threatening d5 or dxe5 yet, so without wanting to split hairs, one could make the argument that this reveals Black's intentions just a little too quickly.

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14.b3! White should not rush with 1 4.c5, as the position after 1 4 ... g4 1 5.hxg4 �xg4 1 6.f3 �e6 appears rather unclear, Litinskaya - Botsari, Debrecen 1 992. 14...cS Black cannot play passively with 14 ... �e6? as after 1 5.f4 gxf4 1 6.gxf4 ttJc6 1 7.�xg7 �xg7 1 8.f5 White develops a dangerous initiative, McFarland - Greet, Hove 1 997. I S.,ie3 g4 Sooner or later Black should play this. 16.hxg4 ,ixg4 Black has also tried 1 6 ... ttJxg4 1 7.�f4 VfJa5 Santi - Bobzin, corr. 1 998. Now White should have played I S.VfJc2N ttJe5 1 9.ttJb5! E!:d8 20.E!:cd l VfJb6 2 1 .�g5! f6 22.ic1 with a serious positional advantage. 17.8 �e6 I S.llJe2 Wfe7 1 9.Wfd2

Now we will examine two moves in detail: Cl) 9 ...c6 and C2) 9 ...E!:eS. 9 ... a6 1 0.VfJc2 reaches line A. 9 . . . ttJc5 1 0.h3 E!:eS l 1 .E!:el is line C22. 9 . . . ttJe5 1 O.b3 id7 1 0 . . . c5 l 1 .ttJde2 ttJeS is not a serious option. White has got an advantage without much effort after 1 2.�e3 ie6 1 3.VfJd2 VfJd7 1 4 .E!:ad l ± Ditt - Striebich, Menden 1 974. There is also not much point in 1 0 ...ig4 1 I .f3 id7 when White can simply develop his pieces. 1 2.�b2 llJc6 Cross - Pafnutieff, Hollywood 1 952, and now 1 3.E!:c 1 E!:e8 1 4.llJd5 would give White pleasant edge. 1 1 .�b2 1 1 .h3 E!:e8 1 2.�e3 is another good option.

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1 l ...E!e8 1 2.E!e1 Black is unable to create counterplay. Here is one example: 1 2 ... h6 1 3.f4 ItJc6 1 4.ltJd5 ItJxd5 1 5.cxd5 j,g4 1 6.Wld2 ItJxd4 1 7.�xd4 Wld7 1 B.E!ac 1 ± White has a clear positional advantage, Wassin - Vlach, Heraklio 200B.

Cl) 9 c6 ..•

1 1 . .. a5 1 1 ...ltJc5 reaches line 02. 12.Wlc2 a4!? Black uses a tactical motif in order to obtain the a5-square for his queen. 1 2 . . . ltJc5 again leads to line 02. 13.E!adl In my opinion White should not enter the complications arising after I 3.ltJxa4 ItJxe4! I 4.�xe4 E!xa4 I 5.�xc6 bxc6 I 6.Wlxa4 ltJe5 and Black has very interesting compensation for the exchange. 13 ...Wla5 14.E!fel White continues to strengthen his position.

14 ... ltJc5 Black also tried the rather provocative: 1 4 ... \Mfb4 I 5.a3 Positionally this is not the most desirable move, but I think it is worth making a small concession in order to gain time. Nevertheless White can also consider I 5.ltJb 1 !? intending to meet I 5 ... ltJb6 or 1 6 ... ltJe5 with 1 6.ltJa3, maintaining control without compromising the pawn structure. I 5 ...Wla5 Black cannot take on c4 as the queen would be in trouble after the simple bishop retreat to fl . 1 6.f4 Obviously this is much better than I 6.b4?! axb3 I 7.ltJxb3 Wlc7 when Black will always have plenty of counterplay against White's weak pawns on the queenside, Bunzmann Enders, Germany 1 99B. I originally analysed the text move as a novelty, but then saw that it had been played towards the end of 2009. 1 6 ... ltJb6 Not much is changed by 16 ... ltJc5 1 7.�f2 ItJfd7 I B.ItJa2 ( l B.ltJf3 ItJb6 1 9.�f1 �e6 20.E!xd6 �xc4 leads to unclear play) 1 B ...Wlc7 I9.ltJb4 White keeps the better chances, thanks to his spatial superiority. 1 7.�fl ItJfd7 This position was reached in Buss - Pavlovic, Ohrid 2009. Now I suggest: 1 B .Wlf2!N This is directed against the knight's intended move to c5. The point is revealed after: 1 B ... ltJc5 Perhaps Black should try something else, but in that case it is clear that his strategy has failed. I 9.e5! dxe5 20.ltJxc6 bxc6 2 1 .�xc5 White has clearly better chances, for instance: 2 1 ...ltJd7 22.�b4 Wlc7 23.�d6 Wla5 24.c5± 1 5.j,f4!

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Chapter 28 - 6 . . . lO bd7 One of the key ideas in this variation is to attack Black's d6-pawn, and here the timing is perfect.

20.i.fU White keeps a firm control over the position, while Black remains quite passive.

lS . .i.ffi Sacrificing the pawn does not work. After 1 5 ... ltJe6 1 6 .ixd6 ltJxd4 1 nhd4 ltJd5 White has the simple 1 8.e5! if5 1 9.�d2 ltJxc3 20.�xc3 �xc3 2 1 .bxc3 and she remained with an extra pawn in Manakova - Segal, Duisburg 1 992.

C2) 9 ... ge8 1 0.h3

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1 6.lOf3 gd8 In case of 1 6 . . .ie6 1 7.ixd6 ixc4 1 8.ixf8 �xf8 Reshevsky - Najdorf, Salvador 1 952, I would suggest 1 9.9d4!?N ie6 20.�d2, threatening 2 l .e5 followed by �h6 and ltJg5. Play might continue 20 ... �g7 2 U�dl and thanks to his control over the d-file White has clearly better chances. His main plan will be to prepare an advance of his kingside pawns. 17.i.d2 �b6 1 8.i.e3 i.e6 We have been following the game Lekander - Hakki, Eksjo 1 982. Here I like:

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1 9.i.d4!?N lOe8 If 19 ...ig7 White gets a favourable position by means of: 20.ltJxa4 (Also worthy of consideration is 20.e5!?) 20 ...�b4 2 l .ltJxc5 dxc5 22.ic3 �xc4 23.b3 �a6 24.ltJg5!±

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Now the rwo principal continuations are C2l) 1 O ... a6 and C22) lo ... lbcs. Also to be considered are: 1 0 . . . c6 l l .ie3 takes us back to line C l . 1 0 . . . ltJe5 l l .b3 a6 1 1 .. .id7 1 2.ie3 a6 allows White to set up his pieces in the optimal way: 1 3 .�c2 c5 1 4.ltJde2 b5 1 5.gad 1 Here, having failed to equalize, Black committed the inaccuracy 1 5 . . .�e7?! in Glaser - Ludwig, Leipzig 1 995. This could have been punished by 1 6.ig5! when there is no comfortable defence against White's threats of 1 7.ltJd5 and 1 7.f4 followed by e5, for instance: 1 6 . . .ic6 1 7.f4 ltJed7 1 8.e5 ixg2 1 9.exf6± 1 2.ie3 c5 This is premature. Relatively best would have been 1 2 ... gb8 transposing to line C2 l . 1 3 .ltJde2 gb8 1 4.f4 ltJc6 1 5.�d2! ixh3 Having reached a strategically difficult position, Black tries unsuccessfully to complicate matters.

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Note that 1 5 ... b5 does not work in view of the simple 1 6.e5! when both Black's knights are hanging. 1 6.�xh3 lLlxe4 1 7.lLlxe4 �xa l 1 8J"ha l E!xe4 We have been following the game Valiente - Cortes Moyano, Santiago de Chile 2008. Now the simplest would be: 1 9.1Llc3N E!e8 2o.lLld5 With a huge advantage.

e2 1) 1O a6 ...

1his set-up is sometimes referred to as the Gallagher variation, after the Anglo-Swiss GM. Gallagher has certainly been one of its most loyal adherents, and has also published analysis on it in various books. Black's main idea is to prepare the moves ... c5, ... lLle5 and . . . b5, with strong counterplay on the queens ide.

1 l .i.e3 I believe this standard developing move to be the most promising. 1 1 .E!e 1 has been the most popular choice, but it is not necessary to overprotect the e-pawn at this stage.

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1 1...E!b8 This is an essential part of Black's strategy; he could hardly contemplate a subsequent ... b5 with his rook still on a8. He has also occasionally switched plans with

1 l .. .lLlc5 1 2.�c2 �d7 1 3.E!adl �c8 14.c;!{h2 E!e5!? as seen in Krogius - Kuzmin, Cappelle la Grande 1 995. Black's idea is quite tricky, but could have been refuted as follows:

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1 5.b4!N E!h5 1 6.bxc5 �xh3 1 7.f3! and Black's attack appears to be insufficient, for instance: 1 7 ...�xg2t 1 8.c;!{xg2 �h3t 1 9.c;!{f2 �h2t 20.�e1 �xg3t 2 1 .�f2 �g2 22.cxd6 cxd6 23.Wb3±

1 2.b3! White defends the c4-pawn if anticipation of ... lLle5. 1 2 ...c5 This is the most popular move - Black simply continues with his plan. He has tried a few other approaches as well, and I suggest that you pay particularly close attention to the second and third of the following options: 1 2 ... lLlc5 This does not really challenge the white position. 1 3 .'1Wc2 �d7 1 3 ...�e7 is met strongly by 1 4.E!fe l ! lLlfxe4 (After 1 4. . .�d7 1 5.E!ad 1 White has an optimal set-up, while it is hard to say the same about Black's arrangement, Mittelman - Lederer, Beersheba 1 997.) 1 5.lLlxe4 lLlxe4 1 6.�xe4 �xe4 1 7.�d2! The point. 1 7 . . .�xe 1 t 1 8.E!xe1 E!xe I t 1 9.�xe1

Chapter 28 - 6 ... lLlbd7 ixd4 Ruck - Vajda, Gyula 2000. Now the strongest would be 20.g4!N id7 2 1 .ic3 ixc3 22.\Wxc3, and Black would face a tough defence, since White has good chances to generate an attack using the weakened dark squares on the kingside. 1 4.b4 tOe6 1 5.tOb3! It is generally favourable for White to keep more pieces on the board, since he has a definite space advantage. On a secondary note, now he can comfortably meet ... b7-b5 with c4-c5. 1 5 ... \Wc8 As I mentioned above, White is ready for 1 5 ... b5 1 6.c5 dxc5 1 7.tOxc5 tOxc5 1 8.ixc5 when he maintains a pleasant positional advantage. 1 6.�ad1 White was obviously better in Avrukh Arizmendi Martinez, Biel 2003. 1 2 ... tOe5 This is a bit trickier. 1 3.a4! This stops Black's idea connected with the ... b5 advance. The point of Black's last move can be seen after 1 3.f4?! tOed7 when White is unable to prevent the two main ideas: 1 4 ... c5 followed by ... b5, and the tactical blow 1 4 ... tOc5 followed by capturing on e4, exploiting the vulnerable position of the bishop on d. 1 3 ...id7 We have reached a very important moment.

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1 4.�a2! The ideal way to maintain control. The rook is heading for d2, where it will be perfectly placed to reStrain Black's possible counterplay. 1 4.\Wc2 \Wc8 1 5.cj;Jh2 c5! 1 6.tOde2 b5 gave Black nice play in Wilke - Bakhmatov, Templin 2004. 1 4 ...\Wc8 Less accurate would be 1 4 ... h5?! 1 5 .�d2 \WcB In this position White has the opportunity for 1 6.f4! which would be impossible with the king on h2, as Black would give a check on g4. 16 ...tOc6 1 7.\t>h2 (I would also seriously consider 1 7.f5!? tOe5 1 B.�df2 with good attacking chances, due to Black's ... h5 move, which seriously weakened his kingside.) 17 ... h4 Consistent, but White's forces are much better prepared for complications. 1 B.gxh4 tOh5 1 9.tOd5 \WdB 20.tOf5! and White obtained a big advantage in Stohl Arizmendi Martinez, Leon 200 1 . 1 5.\t>h2 Now if 1 5.f4 Black is just in time to create counterplay with 1 5 ... tOc6 1 6.cj;Jh2 tOb4 1 7.�d2 c5 followed by ...ic6 . 1 5 ... h5 It was also important to check 15 ... c5 1 6.tOde2 b5. The critical line runs 1 7.axb5 ( 1 7.cxb5 axb5 1 8.\Wxd6 c4! allows Black plenty of counterplay) 1 7 ... axb5 1 B.\Wxd6 (once again 1 B.cxb5 ixb5 1 9.tOxb5 �xb5 20.\Wxd6 c4 gives Black counter-chances) 1 B ... bxc4 1 9.bxc4 tOxc4 20.\Wxc5 tOxe3 2 1 .\Wxd and Black does not have enough compensation for the missing pawn. 1 6.�d2! In the game Skembris - Knaak, Athens, 1 992 White defended with the less than ideal 1 6.f3. This does not worsen his position significantly, but I still prefer the text move. 1 6 ... h4 1 7.gxh4 c5! This looks like the most challenging move. Instead 17 ... tOh5 1 B.f4 transposes to the

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game Stohl - Arizmendi, examined after 1 4 . . . h5?! instead of 14 .. :�cB above. It is time to improve on White's play:

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1 2 . . .�e7!? I suggest that the reader pays close attention to this move. I only found six games (almost all of which involved a grandmaster playing Black), with Black scoring three wins and three draws.

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I B.tt:lc2!N In the game White choose I B .tt:lde2, which allowed the nice I B ...i-xh3! 1 9.i.xh3 tt:lf3t forcing a perpetual, and after 20.g3 tt:lh5t 2 1 .g2 tt:lxh4t a draw was agreed in Ki. Georgiev - Knaak, Dortmund 1 99 1 . 1 B ... tt:lfg4t This looks critical. After 1 B ... b5 1 9.axb5 axb5 White removes his vulnerable knight with tempo: 20.tt:lxb5! i.xb5 2 1 .cxb5 �xb5 (or 2 l ...c4 22.tt:ld4! c3 23.�c2±) 22.f4± White is much better. I also examined I B ... tt:lh5 1 9.�xd6 i-g4 20.hxg4 tt:lxg4t 2 1 .g1 i-xc3 22.i-g5 i.e5 23.�d3± and thanks to the idea of i.h3, Black is unable to maintain control over the key f4-square. 1 9.hxg4 tt:lxg4t 20.g1 i-xc3 2 1 .�xd6 tt:lxe3 Black should eliminate the dark-squared bishop in order to fight for compensation. Instead after 2 1 . . .i.e6 22.i-f4± he is j ust a pawn down for very little. 22.tt:lxe3 i.e6 Under normal circumstances the unopposed dark-squared bishop might provide good compensation for Black's missing pawn. However, in this particular position White has a strong and concrete idea at his disposal: 23.h5 i.e5 24.hxg6 fxg6 25.tt:lg4!±

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1 3.a4 This seems like the only good way to stop Black's intended ... c5 followed by 1 4 . . . b5. 1 3 ... tt:lc5 Another line is 13 ... c5 1 4.tt:lde2 b6 Huzman - Gallagher, Mallorca 2004. Here White should choose the most natural 1 5.�d2!N Evidently he was afraid of 1 5 . . .i.b7, but here White has the strong 1 6.i.f4 tt:le5 (In case of 1 6 ... tt:lxe4 17.i.xe4 i.xe4 I B .i.xd6 tt:le5 White has 1 9.f4, gaining material.) 1 7.�ad l �bdB I B.i-g5! �fB 1 9.f4 tt:lc6 20.f5 with a serious attack. 1 4.f3 Not the most desirable move, but White will eventually prepare f4 and it should also be noted that Black's queen is slightly misplaced on e7. Here is one example: 1 4 ... a5 1 5.i.f2 c6 1 6.�e l h5 1 7.f4 Finally we reached a normal-looking position for the whole line. 17 ... tt:lfd7 1 B.�b l tt:le6 This position occurred in Botovikov - Vovk, Alushta 200B. Now White could use have exploited his opponent's weakened kingside with:

Chapter 28 - 6 ... ttJbd7

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16.i.xe4 Obviously we would not usually wish to exchange our prized bishop for a lowly knight, but it is important to keep the momentum.

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d e f g h 1 9.1Od5!N \Wd8 20.lOxe6 1:%xe6 White is also better after: 20 ... fXe6 2 1 .lOe3 lOc5 22.\Wd2± 2 l .f5 1:%e8 22.lOf4 lOe5 23.'�·d2± Black might starr to regret the ... h7-h5 move. a

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13.ttJde2 b5 Black follows his plan and plunges head-first into the complications. There was nothing to gain from postponing this advance, as after 1 3 .. .'lWc7 1 4.a4! he falls under positional pressure, for example 1 4 ... lOe5 1 5.1:%a2 �e6 1 6.f4 lOc6 1 7.g4! and Black was in serious trouble, P.H. Nielsen - Arizmendi Martinez, Istanbul 2003. 14.'�xd6 This implies an exchange sacrifice, but White gets excellent value for it. 14 ... b4 15.llJa4 ttJxe4

16 ...i.xal After 1 6 ... 1:%xe4 White has 1 7.1:%ad 1 \We8 1 8.lOf4! (There is no point in entering complications with 1 8.lOxc5 1:%xe3 1 9.1Oxd7 1:%xe2 20.lOxb8 �xh3 with unclear play, Zebre - Yarmolyuk, corr. 2006.) 1 8 ...�f8 (Worse is 1 8 ... �e5 1 9.\Wc6 when Black loses the c5pawn, while after 19 ... �d4 20.lOxc5! 1:%xe3 2 1 .1:%xd4+- he ended up in a lost position in Drozdovskij - Golubev, Odessa 2007.) 1 9 .\Wc7! (Less convincing is 1 9.\Wd3 lOb6) 19 ... 1:%e5 This position was reached in ] . Horvath - Reinderman, Haarlem 1 993. Now the natural improvement would be 20.lOd5N 1:%b7 2 1 .\Wa5± and Black loses the c5-pawn. 17.1:%xal 1:%xe4 1 8.llJxc5 1:%e8 This is the most challenging, although a couple of alternatives have been tried: 1 8 ...1:%xe3 1 9.fXe3 \We8 ( 1 9 ... 1:%b6 20.\Wd4 is also hopeless for Black) 20.e4! 1:%b6 2 1 .\Wc7 1:%f6 22.1:%d 1 +- ]. Horvath - Berthelot, Cannes 2002. 1 8 ... 1:%b6 1 9.\Wd2 \wf6 This was Makarov - Thipsay, Moscow 2004. Now there is a clear improvement:

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20.itJxe4!N �xal t 2 1 .It>g2!! Only like this. The natural looking 2 1. It> h2 actually squanders all White's advantage after 2 1 .. .E!e6 22.itJd6 itJe5!. 2 l ...�b7 If 2 l . ..E!e6, rhere follows 22.itJd6! E!xd6 23.�xd6 �b7t 24.f3 �xa2 25.'it>f2, and Black is helpless against the threats. 22.�xd7 �xe4t 23.f3 �xf3t

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And not 1 9 ...�a5? when 20.itJxd7 �xd7 2 1 .�xd7 �xa2 22.�d3 was winning for White in Terekhov - Raykhman, Munich 2008. Now White faces a very imporranr crossroads. After a deep investigation I came to the conclusion that White's best option is:

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20.�xe7 The alternative is 20.�c7, but here I believe Black has good chances to hold after 20 ... itJxc5 2 1 .�xb8 �e4!.

24.lt>f2!! The easiest way, although 24.'it>xf3 �fl t 25.�f2 E!f6t 26.itJf4 g5 27.�d8t It>g7 28.'it>g4! seems to be winning as well, since after 28 ... gxf4 29.�d4 fxg3 30.�xf6t �xf6 3 1 .�xf6t It>xf6 32.'it>xg3 the pawn endgame should be winning for White, thanks to his c-pawn. 24 . . . E!b8 Obviously Black cannot play 24 ...�xe2? 25.�d8t It>g7 26.�d4t. 25.lt>xf3 White has a large advantage, for instance 25 ...�f6t 26.lt>g2 E!d8 27.�d4 E!xd7 28.�xf6 E!d2 29.lt>f3 E!xa2 30.itJd4 and the c-pawn should decide the issue.

2 1 ...itJxc5 22.ixc5 E!d7 I also examined 22 ... E!e8 23.itJd5 E!e2 24.ixb4 ie6 (24 ...ib7 25.itJf6t It>g7 26.�c3±) 25.�d6 E!b7 26.itJc3 E!c2 27.itJe4 E!xa2 28.�e5 f6 29.E!d8t 'it>f7 30.itJd6t It>e7 3 1 .�xf6t! It>xf6 32.itJxb7 �xh3 33.itJc5 when the endgame should be winning for White.

1 9.E!dl This position used to be evaluated as lost for Black, but then it transpired that he can still fight with:

23.ltJd5 'it>g7 24.id4t f6 A sad necessiry, in view of 24 . . . lt>h6 25.itJf6 E!xd4 26.E!xd4 �xh3 27.g4 with a large advantage for White.

1 9...�e7

25.ixf6t 'it>f7 26.ie5

20 E!xe7 2 1 .ltJf4 Even without queens White has a serious initiative, which more than makes up for the missing exchange. ..•

Chapter 2S - 6 . . . tU bd7 With two pawns for the exchange, White is at least equal on material terms. Moreover, he still has fine attacking chances due to his domination in the centre and on the dark squares, Kiss - Tratar, Austria 1 996.

C22) lO ... tLlcS l l .�el

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b ) 1 2 ... lLifd7 1 3.ie3 lLi e S (or 1 3 . . . lLixb3 1 4.axb3 a6 l S.'lWc2 with a pleasant edge, Bayer - Holzke, Germany 1 996) 1 4.tUxcs dxcS l S.'lWe2 ie6 1 6.�ad l 'lWc8 was Drozdovskij - Ootes, Leeuwarden 2009, and now White should have opted for: 1 7.f4!N lLixc4 (No better is: 1 7 . . .ixc4 l S.'lWc2 lLid7 1 9.b3 ia6 A sad necessity. [ l 9 ...ie6 20.fS!+-] 20.eS± Despite being a pawn up Black's position is hard to defend.) l s.ixcs tUb6 1 9.c;t>h2 and White maintains a comfortable advantage. 1 3.f4 as 14.a4 Preventing any potential tricks along the hB-al diagonal, as might occur after 1 4.ie3 a4 l s.lLid4 lLixd4 1 6.ixd4 cS 1 7.if2 a3 1 8.b3 lLig4!. 14 . . . hS l S.ie3 lLid7 1 6.'lWf3 c6 1 7.�ad 1 'lWc7 l S.'lWf2 b6 1 9.lLid4± White has maintained control and enjoys a pleasant edge, Anastasian - Comas Fabrego, Istanbul 2000.

C22 l) l l . ..c6 1 2.'lWc2 Sometimes Black tries the mysterious waiting move: 1 1 ... h6 White can try to exploit the slowness of this approach with: 1 2.lLib3! Compared with line C223, Black lacks the option of 1 2 . . . tUa4. 1 2 ... tUe6 Alternatives also do not promise Black an adequate game. a) 1 2 ... lLixb3 1 3 .axb3 White has strengthened his c4-pawn and entered his queens ide rook into the play. Even more importantly, he eliminated Black's pressure against the e4-pawn and now can easily improve his position. 1 3 ... a6 1 4.ie3 id7 l S.'lWd2 hS 1 6.f4 ic6 1 7.if2 as l S.Elad l WcS 1 9.id4 was clearly better for White in Moskalenko - Illescas Cordoba, Barcelona 200S .

Another decent possibility is 1 2.if4, when the main continuation is 1 2 ... lLie6 1 3.ie3 lLixd4 1 4.ixd4 ie6 l S .'lWd3 'lWaS The position is complex, but it seems to me that White's chances are preferable. Nevertheless I like the text move even more.

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12 ... tLlfxe4?! A risky move according to theory. The main line is obviously 1 2 ... a5 1 3.ie3, which almost transposes to line 02 of the present chapter, except that White has played E!fl -e 1 instead ofE!a l -d 1 . This should not alter the evaluation in any dramatic way. White has managed to develop his pieces in the optimal way, with E!ad l to follow shortly, and thus enjoys an almost automatic advantage with his central control and well coordinated pieces. 13.tLlxe4 hd4 14.�g5! After this strong move White forces the exchange of Black's dark-squared bishop for a knight, obtaining a dangerous initiative thanks to the obvious weakness of the dark-squares in Black's camp. 14...WTd7 The bad news for Black is that 1 4 . . .f6? is impossible due to 1 5.ixf6!. 15.tLlf6t �xf6 16.�xf6 E!e6 This defensive manoeuvre has been played in all the games that reached this position.

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2 1 .E!d l !N White regains the pawn by force, and his bishops will remain a powerful force in the endgame. 2 l .. .id7 22.\Mfxd6 WTxd6 23.E!xd6 ie8 24.if6 a5 25.b5 cxb5 26.cxb5 ixb5 27.ixb7 E!b8 28.if3 The mating net around Black's king should decide the game.

1 8.b4 tLld7 This position has occurred in rwo games, but White's play left much to be desired on both occasions. Fortunately it is easy to improve his play as follows:

17.�c3! This is stronger than 1 7.WTc3. 17...WTe7 This does not solve Black's problems, but I doubt that he has anything better. 1 7 ...WTd8 1 8.b4 E!xe1 t Or 1 8 ... tLld7 Vasilev - Maitesian, Cannes 2000, and now 1 9.E!xe6N fxe6 20.E!d l d5 2 1 .\Mfe2 with a powerful attack. 1 9Jhe 1 tLle6 20.\Mfd2 The vulnerabiliry of the dark-squares in not Black's only problem - he also has trouble developing his light-squared bishop. 20 ...\Mff8 Lagowski - Chojnacki, Poznan 2006. Here I found a simple improvement:

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1 9.E!xe6!N fxe6 20J�dl e5 21 .WTd2 2 1 .b5 cxb5 22.cxb5 ttJc5 23.\Mfd2 .if5 is less convincing.

Chapter 28 - 6 ... ltJbd7

2 1...lLlb6 22.Wxd6 Wxd6 23.!!xd6 �f5 24.c5 ttJc4 25.!!dl± It is doubtful that Black can hold this endgame. C222) l 1 ...aS

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12.lLldb5! This is the most principled continuation. Needless to say, White has numerous alternatives, but I like the text move the most. Black is prevented from playing ... c6 for the time being and has to suffer White's annoying knight, which might help to facilitate many tactical ideas for us. 1 2 ...�d7 We should also pay attention to three other moves: 12 . . . a4 has been tried four times, but strangely enough on each occasion White missed the thematic 1 3 .e5!N, which is extremely strong here. Here is an illustrative line: 1 3 ... dxe5 14.'<MfxdS �xdS 1 5 .ltJxc7 �b8 (Black loses a pawn after 1 5 . . .:1!a5 1 6.�xe5) 1 6.�e3 ltJd3 1 7.�ed l and Black is in trouble, due to the threat of l S .�a7. 1 2 ... ltJfd7 1 3 .�g5! A very important tactical resource. Practice

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revealed 1 3.�e3 ltJe5 14.�xc5 dxc5 1 5.'<MfxdS �xdS 1 6.ltJxc7 �bS to be perfectly playable for Black. 1 3 ...'<Mfxg5 Black has to accept the challenge, as otherwise his position is simply unpleasant. 13 ...�f6 1 4.�xf6 ltJxf6 1 5.e5! dxe5 1 6.'<MfxdS �xdS 1 7.ltJxc7 �bS l S.�xe5± with a healthy extra pawn for White. 1 3 ... f6 1 4.�e3± leaves Black with a blocked bishop. 1 4.ltJxc7 '<MfdS 1 5.ltJxaS �xc3! The best chance. 1 5 ... ltJe5 1 6.ltJb5 ltJxc4 1 7.ltJac7 leaves Black with no compensation for the exchange. 1 6.bxc3.�e6 1 6 ... ltJe5!? This move, which was mentioned by Vul in Chess Informant S6, may be a better practical chance although White still remains on top. 1 7.�b l ltJxc4 l S.�fl Vul stopped analysing here, evaluating the position as clearly better for White, and indeed after l S ...�e6 1 9.�xc4 �xc4 20.ltJb6 �xa2 2 1 .�b5 Black fails to demonstrate compensation. 1 7.�b l b6 1 7 ... b5 runs into strong l S.e5! dxe5 1 9.�xb5 when Black can resign. l S.e5! A key idea; now Black will hardly be able to crap the knight. l S ... dxe5 l S ...�b7? is much worse. Vul gives the following brilliant line: 1 9.�xb7 ltJxb7 20.ltJxb6 ltJxb6 2 1 .'<Mfd4 dxe5 (2 l . ..ltJc5 22.exd6+-) 22.'<MfxdSt ltJxdS 23.�ed l ltJb7 24.�b5!+- and Black unavoidably loses one of his knights. We have been following the game Vul Markosian, Moscow, 2002. Now I think White should have played: 1 9.�d5!N .�f6 20.�e3! Intending �f3. 20 ...�b7 2 1 .�xb7 ltJxb7 22.ltJxb6

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Equally effective is 22.:B:b5 Wi'c8 23.:B:d5 4Jbc5 24.:B:exe5! Wi'xa8 25.:B:xd7 4Jxd7 26.Wi'xd7. 22 . . . 4Jxb6 23.Wi'xd8t 4Jxd8 24.:B:xe5 @f8 25 .:B:xa5 4Jxc4 26.:B:a8 White has a large, probably decisive advantage.

1 9.4Jb5 4Jfd7 20.i.f4 With an obvious positional advantage, Ki. Georgiev - J . Ivanov, Bulgaria 1 99 1 .

13.i.f4 This is one of the critical positions of the whole line.

1 2 ...i.e6

a b c d e f g h 1 3 .e5! dxe5 1 4.Wi'xd8 :B:exd8 No better is 1 4 ... :B:axd8 1 5.4Jxc7 :B:e7 1 6.4Jxe6 :B:xe6 1 7 .i.e3 4Jd3 1 8.:B:e2! The most accurate. 1 8 ... e4 1 9.:B:d l Black faces serious troubles, for instance 1 9 ... :B:de8 20.4Jxe4! 4Jxb2 2 1 .:B:xb2 4Jxe4 22.:B:xb7 4Jxg3 23.:B:dd7!+- Harika - Salman, Jodhpur 2003. 1 5 .4Jxc7 :B:ac8 1 6.4Jxe6 fxe6 After 1 6 ... 4Jxe6 1 7.:B:xe5 White remain with an extra pawn, while Black fails to prove his compensation, for example: 1 7 ... b6 ( l 7 ... :B:xc4 1 8.:B:xa5 4Je8 1 9.:B:d5!±) 1 8.i.e3 :B:xc4 1 9.i.xb6 :B:d2 20.:B:b5± Cech - Jirovsky, Czech Republic 2000. 1 7.b3!? I really like this "human" move. Still, 17.:B:e2 should also be enough for an advantage. 1 7 ... e4 1 8.:B:b l :B:d3 Black's best chance was 1 8 ... 4Jd5!, but also here after 1 9.4Jxd5 exd5 20.i.g5 :B:d7 2 1 .cxd5 :B:xd5 22.h4! White's advantage is clear, due to his bishop pair and Black's weak central pawn.

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1 3 ...i.xbS This has been Black's most common choice, although it is clearly a rather double-edged idea. Black removes the annoying knight and gets a bit more space for his pieces, but the weakness of the c7-pawn and the powerful enemy bishops might spell trouble for him in the long run. Here are a few of the other options: 1 3 . . .Wi'c8 runs into a thematic tactical strike for this variation: 1 4.4Jxc7! Wi'xc7 1 5.i.xd6 Wi'c8 1 6.e5 4Jh5 Payen - Seeman, Helsinki, 2000, and now the simple 17.i.xc5N 4Jxg3 1 8.i.d6! 4Jf5 1 9.4Jd5 would have given White a clear advantage. 1 3 ... h6 allows the very same idea: 1 4.4Jxc7! W1xc7 1 5.i.xd6 Wi'c8 (also after 1 5 ...Wi'b6 1 6.e5 i.c6 1 7 .i.xc5 Wi'xc5 1 8.i.xc6 bxc6 1 9.exf6 :B:xel t 20.Wi'xe l i.xf6 2 1 .4Je4 White remains with a healthy extra pawn) 1 6.e5 White will regain the piece while keeping a material

Chapter 28 - 6 . . . itJ bd7 advantage. Still, the following continuation was certainly not the way for Black to try and salvage his position: 16 ...ixh3? 1 7.ixh3 �xh3 1 8.exf6 �xe 1 t 1 9.�xe 1 +- Barsov - Malyshev, Abu Dhabi 2003.

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17.bxc6 bxc6 Now in Mchedlishvili Hartoch, Amsterdam 2004, White automatically moved the queenside rook to the centre. Instead he should have played:

13 ...ic6 prevents the aforementioned tactical threat, but leaves White with a pleasant position all the same. 14.�c2 itJfd7 1 5.�ad l White's army is well coordinated and he needs just to find a suitable moment for jumping with his knight to d5. 1 5 ... ttJe5 1 6.ttJd5 ( l 6.ie3!N seems to be even stronger, for instance 16 . . .�c8 1 7.ttJd5 ixd5 1 8.exd5 and Black is tied to the defence of the c7-pawn.) 1 6 ...ixb5 1 7.cxb5 �b8?! (Black should have opted for 17 ... c6, although after 1 8.bxc6 bxc6 1 9.ttJe3! White maintains a pleasant advantage.) 1 8.ie3 White's positional advantage is beyond any doubts, Kalinitschew - Hannebauer, Berlin 2007.

14.cxb5 The doubled pawns can hardly be considered a weakness - it is more important to increase the control over the light squares, as well as opening the c-file. 14 ... itJfd7 1 5.�c2 itJe6 Another game saw 1 5 ... ttJb6 1 6.�ad 1 �f6 Hernandez Onna - Vogt, Leipzig 1 975, and now White has a nice tactical shot: 1 7.e5!N dxe5 1 8.i.e3 ttJe6 (Black is not helped by 1 8 ... �e7 1 9.ttJd5 ttJxd5 20.ixc5! ttJb4 2 1 .�c l �e6 22.a3 trapping the knight.) 1 9.i.xb7 �ab8 20.itJd5 ttJxd5 2 1 .ixd5 with a big positional advantage. 16 ..ie3 c5 Black eliminates the backward c7 -pawn, but now the pawns on c6 and d6 may become vulnerable. There is also 1 6 . . .id4 1 7.�ad l ixe3 1 8.�xe3 ttJec5 Ki. Georgiev - I1incic, Belgrade 2000. Now White should continue with 1 9.f4N intending a central breakthrough with e4-e5 when the circumstances are right.

19 ... liJec5 20.ttJa4 White maintains unpleasant pressure along the c- and d-files. C223) 1 1 .. ..id7 This is another big tabiya with more than 400 games on the database. Black's main idea is to play . . .�c8 (attacking h3), intending to meet Wh2 with . . . �e5 followed by ... �h5.

12.<j;Jh2!? I like this prophylactic move, which prevents the threat before it even occurs. White's general strategy in this line is to restrain any counterplay before gradually completing development. 1 2.if4 used to be a principal line here, but recent games have shown that after 12 . . . h6 1 3.�c2 ttJfxe4! Black is doing okay.

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Now we will consider C223 1 ) 12 h6 and C2232) 12 a6 in detail, as well as: ...

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1 2 ... E:e5 This thematic move has only been played once, in the game Shvedov - Chuprov, St Petersburg 1 999. White can obtain an excellent position with some resolute play, beginning with: 1 3.f4N E:h5 1 4.f5! This is an important antidote against Black's attacking manoeuvre, which should always be remembered. 1 4 ... tt'lg4t No better is 1 4 ... gxf5 1 5.exf5 ixf5 1 6.tt'ld5 ig6 1 7.tt'le7t �hB 1 8.tt'lxg6t hxg6 1 9.b4! and Black's knight does not have a good square, for instance: 1 9 ... tt'le6 20.tt'lxe6 fxe6 2 1 .E:xe6 1M!d7 22.1M!e2± 1 5.1M!xg4 ixd4 1 6.1M!e2! ie5 1 7.tt'ld5! The rook on h5 can hardly feel comfortable with tt'lf4 on the way. 1 2 ...1M!cB This immediately justifies White's last move. Having already protected the h3-pawn, he can now afford the time to prevent the intended . . . E:e5. 1 3.f4! a5 1 4.e5! This "concrete" approach ro the position works well here.

1 4 ... dxe5 1 4 ... tt'lh5 1 5.tt'lf3 does not change much. 1 5.fxe5 tt'lh5 1 6.tt'lf3! Now Black must constantly be on guard against g4 winning a piece. In certain positions he can get enough compensation by sacrificing his bishop, but sooner or later it will become a real threat. 1 6 ... b6 After 1 6 .. .f5 1 7.ie3 tt'le6 I B.tt'ld5! White keeps an obvious positional advantage. 1 7.ie3 There is no point in rushing with 1 7.g4?! ixg4 l B. hxg4 1M!xg4 when Black has a dangerous initiative. 1 7 . . .E:bB This position occurred in Sheers - Mano, e-mail 200 1 . Now was the right moment for:

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1 8.g4N ixg4 1 9.hxg4 1M!xg4 20.1M!d4! 1M!xd4 There is nothing better. 2 1 .ixd4 tt'ld3 22.tt'ld5! tt'lxel 23.E:xe l White has a clear advantage thanks ro his tremendously active minor pieces.

C223 1 ) 12 h6 13.gb1 ...

White continues the strategy involving useful prophylactic moves.

1 3 1M!c8 Most other sensible moves have been tried as well. Here are a few of the main ones: •••

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Chapter 28 - 6 . . . ttJbd7 2 1 .eS lLlfd7 22.f4 With an obvious advantage.

1 3 ... a6 leads straight to line C2232. l3 ... l'%eS?! Once again this does not work properly. 1 4.b4 (This is my preferred choice, although the thematic 1 4. f4 l'%hS l S.fS! is also strong.) 1 4 ... lLle6 Wastney - Schlosser, Yerevan 1 996. Now White should play the simple I s.lLlf3!N l'%hS 1 6.@g l ! when it is obvious that the rook is misplaced on hS. l 3 ... aS 1 4.lLldbS Also worthy of consideration is 1 4.b3!? 14 . . .�c6 14 . . .�xbS I S.cxbS lLlfd7 1 6.f4 (also interesting was: 1 6.�e3!? hS 1 7.\1;l!c2 h4 1 8.g4 g5 1 9 .@gl;!;) 1 6 ... a4 1 7.\1;l!c2 hS Serafimov - Dochev, Bankia 1 992. Now White should have played I S .�d2N maintaining a pleasant positional advantage. Obviously I S . . . h4 is nothing to worry about, as after 1 9.94 Black's h-pawn might become weak.

1 4.b4 lLle6 1 5.lLlxe6 Black is absolutely fine after I S .lLlb3 lLlgS!. 15 ...�xe6 16.liJd5 Now we see the value of the earlier l'%al -b l .

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1 6...�d8 I doubt that Black has anything better, although as usual we will check a few alternatives.

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l S.\1;l!c2N This looks clearly preferable to 1 5.f3, as occurred in Maric - Eidelson, New Delhi 2000. 1 5 ...\1;l!d7 1 6.�f4 White has a pleasant game. It is important to note that Black has no time to double his rooks along e-file, since after: 1 6 . . . l'%e7 1 7.l'%bd l l'%aeS?! White strikes with: l S.lLlxc7! \1;l!xc7 1 9.�xd6 \1;l!b6 20.�xe7 l'%xe7

1 6 ... c6 was played in C. Horvath - Kovalev, Debrecen 1 992. Now White should have played the natural and critical: 1 7.lLlxf6t!N �xf6 1 8.�xh6 (But not l S.\1;l!xd6 \1;l!dS! 1 9.\1;l!xdS l'%axdS 20.�xh6 ixc4�) I S . . .�xc4 1 9.\1;l!xd6 �e5 20.\1;l!d2 Blackwill have problems demonstrating compensation. 1 6 ... lLld7 1 7.�b2 The exchange of dark-squared is clearly in White's favour, as Black will lose a good deal of his dynamic potential and may also suffer from the weak dark squares on the kingside. 1 7 ...�xb2 Clearly inferior is 1 7 . . . c6?! I S.�xg7 @xg7 1 9.1Lle3! when the d6-pawn becomes a target. 1 9 ...\1;l!c7 20.\1;l!d4t lLlf6 (even worse

482


is 20 .. .f6 2 1 .:1'%ed 1 ± when Black loses his pawn) 2 1 .f4 and Whire has nice arracking prospecrs. 1 8.l'hb2 �d8 Intending to rransfer the queen to f6. Another option is 1 8 ... a5 Kharitonov Kalashnikov, Moscow 2008. Now I prefer nor to give Black the a-file and thus suggesr 1 9.b5N maintaining the advantage. 1 9.f4! This is exactly the right moment to start aggressive action. Note that rhe queen's rook can easily swing over to f2 to join the arrack. 1 9 ... a5 20.b5 Once again it makes sense to keep the a-file closed. 20 ... a4 2 1 .lOe3 �f6 2 l ...lOc5 should be met by 22.�d4! raking conrrol over the key a l -h8 diagonal. White has an obvious advantage. 22.:1'%f2 lOb6 23.f5! gxf5 If 23 ...�xc4 24.�c l ! intending lOg4 White develops a decisive offensive. 24.exf5 Black faces serious problems in Avrukh Kanrsier, Israeli league 2004.

17.ib2 c6 1 8.lLle3! On rhis occasion White musr avoid simplificarions for the time being. Afrer 1 8.lOxf6t ixf6 1 9.�c2 �xb2 20.:1'%xb2 �f6! Black was absolurely fine in Arsovic Markovic, Belgrade 2003.

20... :1'%a2 21 .:1'%e2! 'lWa8 This was Tadic - Markovic, Vrnjacka Banja 2005.Now the strongest continuarion would have been:

8 7 6 5 4 3 2 1

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22.:1'%c2!N Maintaining control. Instead 22.�xd6 :1'%d8 23.�f4 :1'%d3 allows Black reasonable compensation. 22 ... :1'%d8 23.:1'%d2 'lWa4 24.'lWc1� Whire maintains all the pluses of his position. C2232) 12 ... a6 13.:1'%bl Again we see rhis calm prophylactic move.

1 8... a5 1 9.a3 On this occasion 1 9.b5 is not really an option, as the a2-pawn is hanging. 19 axb4 20.axb4 This position is certainly playable for Black, but still White's chances seem preferable, thanks to his space edge and the weakness of the d6-pawn. Here is a good example: .•.

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Chapter 2 S - 6 . . . ltJbd7

13 ... h6 Black also decides to play the waiting game. He has also tried: 1 3 .. J:%b8 1 4.b4 CLJe6 1 5.�e3 h6 16.Wd2 <Jih7 (Or 1 6 ... CLJg5 1 7.f3 WcS I S.h4 CLJe6 1 9.CLJb3 with a nice advantage.) This position occurred in Izeta Txabarri - Lezcano Jaen, Las Palmas 1 995, and now I suggest: 1 7.f4N b5 Black needs to look for counterplay somewhere. I B.cxb5 axb5 (Worse is 1 S ... CLJxd4 1 9.�xd4 axb5 20.e5! dxe5 2 1 .fxe5 CLJgB 22.Wf2± when White dominates.) 1 9.CLJb3± and White is clearly in control. 13 ... b5 1 4.cxb5 axb5 Cvitan - Loffler, Switzerland 200 1 . Now of course the principled reaction would be: 1 5.CLJdxb5N �xb5 1 6.CLJxb5 CLJcxe4 After 1 6 .. .l'ha2 1 7.CLJc3 �a6 I S.b4 CLJcd7 1 9.Wc2t White keeps a slight but long-term advantage, due to his bishop pair and Black's weak c7-pawn. 1 7.Wc2 �d7 I S.a4 c6 1 9.CLJc3! 1 9.CLJd4 d5 looks perfectly playable for Black. 1 9 ... CLJxc3 20.�xeBt WxeB 2 1 .bxc3 It seems to me that White keeps a small edge everywhere; for instance 2l ...d5 22.c4 CLJe4 23.cxd5 Better than 23.�f4 CLJc3. 23 ... cxd5 24.�f4t

14.M tiJe6 15 ..ie3

483

1 5 ...tiJg5 This is the most common move. The main al ternative is: 1 5 ... CLJxd4 1 6.�xd4 �e6 16 ... c5? 1 7.bxc5 dxc5 1 B ..ixc5 �cB 1 9.�b6 We7 20.e5 CLJh7 2 1 .CLJd5 was dreadful for Black in Ilic - Miljanic, Nis 1 997. 1 7.CLJd5 b5 I B.�cl �cB No better is I S ... c6 1 9.�b6! WbS 20.�c7 Wb7 2 1 .CLJxf6t ixf6 22.�xd6 �xc4 23.e5 ig7 24.Wd2 with definite pressure. This position was reached in Vukic - Ilic, Vrnjacka Banja 1 99B. Now White should not hurry to exchange on b5 but instead play: 1 9.Wd2N With the possible continuation: 19 ... c6 20.�b6 Wd7 2 1 .CLJxf6t �xf6 22.c5 dxc5 23.Wxd7 ixd7 24.ixc5 Black will suffer in this endgame, due to his weak queenside pawns. 16.8 Usually we would prefer to avoid this move, but here it is more or less forced, in order to defend e4 while also preparing h3-h4 without allowing a check on g4. 16 ...Wc8 17.h4 ltJe6 1 8.tiJd5 Despite the minor positional concession, White has seized a lot of space while his opponent remains huddled on the back three ranks. 1 8...Wd8 19.1tJxe6 ixe6 20.Wd2 Wh7 21 .id4� White maintained a pleasant edge m Blagojevic - Markovic, Niksic 1 997. D) 8 ... c6 Finally we arrive at Black's most popular and flexible Sth move.

9.h3

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484

Dl) 9 ...a6 1O.ie3

f g h Now we will consider in detail: Dl) 9...a6 and D2) 9 .. J';eS. after a quick round-up of the less common alternatives.

a b c d

e

The big main line is 9 ...\Wb6, which will be considered in the following chapter. 9 ... exd4 1 0.lLlxd4 reaches line C l . 9 ...\Wa5 is considered in Line F32 of chapter 27 via the 6 ... c6 move order. 9 ... lLle8 1 0.E:e 1 exd4 1 1 .lLlxd4 1Mlb6 1 2.lLlb3 transposes to Line B3 of the following chapter. 9 . . . h6 This does not have much sense. 1 0 ..te3 \We7 Compared with line B there is no time for the ... lLlh7-g5 manoeuvre in view of: 1 0 ... lLlh7?! 1 1 .\Wd2± 1 1 .\Wd2 Wh7 Black can hardly afford to play so passively in the opening, as shown by the following example. 1 2.E:ad l E:d8 1 3 .E:fe l a6 Desperately searching for some activity, but this only worsens Black's position. Now in the game Rantanen - Walsh, Moscow 1 956, White could have created major problems for his opponent with: 1 4.c5! dxc5 1 5 .dxe5 lLlg8 1 6.lLla4!±

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lO ... E:eS AI; usual, Black would be ill-advised to seek queenside activity prematurely. 1 O . . . b5? This can be more or less refuted by the following typical response. 1 1 .c5! b4 1 1 ...dxc5, Dautov - Sutovsky, Bad Homburg 1 997, might lead to immediate disaster after the obvious: 1 2.dxe5 lLle8 1 3.ixc5+12.lLla4 d5 There is also 1 2 ... lLlxe4, but Black is far from solving his problems here too. 1 3.cxd6 lLlxd6 1 4.lLlxe5 lLlxe5 1 5.dxe5 lLlc4 (if 1 5 ...ixe5 1 6 . .tc5! Black unavoidably loses material) 16 ..tc5 E:e8 1 7. f4N wirh an obvious positional advantage, Jirka - Schauer, Plzen 2000. 1 3.ig5 \Wc7 1 4.ixf6! A very strong and concrete approach. 1 4 ... lLlxf6 Or 1 4 ...ixf6 1 5.dxe5 lLlxe5 1 6.lLlb6 E:b8 1 7.exd5 and Black remains a pawn down. 1 5.exd5 Now the play proceeds along a more or less forced pathway: 1 5 ... lLlxd5 1 6.lLlxe5 ixe5 1 7.dxe5 \Wxe5 1 8.E:el \Wf6 1 9 ..txd5! cxd5 20.lLlb6 E:b8 2 1 .lLlxd5 \Wxb2 22.c6

485

Chapter 28 - G . . . lLlbd7 The mighty passed pawn easily decides the result. 22 ...ixh3 23.�b 1 Wig7 24.c7+ Gagunashvili - Bayramov, Urumia 2008.

1 1 .Vffc2 Also quite promising is 1 1 .d5 cxd5 1 2.cxd5 b5 1 3.'tJd2, but Black's position seems to be more or less acceptable after 1 3 ... 'tJbG. 1 1 ...b5 1 2.dxe5 dxe5 Only once has Black tried 1 2 ... 'tJxe5 1 3.'tJxe5 dxe5. In this case, after 1 4.�fd 1 Wie7 1 5.cxb5! White maintains better chances, for instance: 1 5 ... cxb5 ( 1 5 ... axb5 1 6.a4±) Milos - Fedorowicz, Buenos Aires 1 99 1 , and now simply 1G.'tJd5!N 'tJxd5 1 7.exd5 if5 1 8.Wid2 �ac8 1 9.�ac l gives White the advantage, since Black is unable to set up a blockade on d6.

�xd8 22.ixc5±) 1 8.b4! axb4 1 9.axb4 White has long-term pressure, due to the passivity of Black's light-squared bishop. Obviously Black cannot capture on b4 in view of 20.ib6 winning material.

1 5.b4 ib7 1 6.lLld2 �ac8 This was seen in the game Lelievre - Viaud, France 1 989. Here White should continue with: 17.1L1b3N �ed8 1 8.�ac1 i.a8 1 9.1Lle2;t Maintaining a stable advantage thanks to the more harmonious position. Black will have particular difficulty finding a useful role for his light-squared bishop. D2) 9 ... �e8 10.ie3

8 7 6 5 4 3 2

13.�fdl Wie7 14.a3

8 7 6 5 4 3 2

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14... h6 I also examined the more natural 14 ...ib7 1 5.�d2!? (Also worthy of consideration was 1 5.'tJd2 intending to meet 1 5 ... 'tJf8 with 1 G.cxb5 cxb5 17.a4! bxa4 1 8.'tJc4± with definite pressure.) 1 5 ... �ed8 1 6.�ad 1 a5 1 7 .if! �ac8 ( 1 7 ... b4 is worse in view of 18.'tJa4 bxa3 1 9.bxa3 when 1 9 ... c5? loses a pawn due to: 20.'tJxc5 'tJxc5 2 1 .�xd8t

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1 O ... exd4 As usual Black has tried virtually all possible moves, but in my opinion only the following idea deserves to be mentioned specifically: 1 0 ... a5 1 1 .Wic2 a4 1 1 ...exd4 1 2.'tJxd4 'tJc5 1 3.�ad 1 would just transpose to the main line below. 1 2.�ad 1 Wia5 1 3.�fe 1 Wib4 It is more reliable to play 1 3 ... exd4 1 4.'tJxd4, reaching a position examined via the move order 8 ... exd4 9.'tJxd4 c6 move order, in line Cl.

486


14.c5! Again this move is very strong. 14 ... dxc5 1 5.dxe5 ltJxe5 1 6.ltJxe5 l:%xe5 1 7.f4 l:%e8 I S.e5 ltJd7 1 9.1tJe4 i.fS Paci - Pelle, Paris 2000. Now White could have secured a big advantage with:

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20.i.d2!N iWb6 2 1 .i.c3±

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1 1 . ttJxd4 ttJc5 1 1 ...a5 1 2.iWc2 reaches a position from line Cl. 12.iWc2 a5 The only reliable alternative is 1 2 ...iW e7, when White should react with 1 3 .l:%fe l . (Certainly if i t is possible we should always avoid playing f2-f3, especially when h2-g3 has already been played.)

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Now 1 3 ... a5 would transpose to 1 2 ... a5, so we will examine fWO other possibilities:

a) Of course it is important to check the greedy option: 1 3 ... ltJ&.e4? This move can be punished by the following forcing sequence. 1 4.i.xe4! (I have taken a slight liberty with the move order. The game actually continued 14'ltJxe4 ltJxe4 1 5.i.xe4 iWxe4, but Black could also have considered 1 5 ... c5!?, as played in a few games. The text move leads to the same position while sidestepping this possibility.) 1 4 ... ltJxe4 1 5 .ltJxe4 iWxe4 ( 1 5 ... c5? is useless here due to 1 6.i.g5) 1 6.i.d2 iWxe 1 t 1 7.l:%xel l:%xe 1 t I S .i.xe 1 i.xd4 1 9.i.c3 ( 1 9. g4!? is also interesting) 1 9 ...i.xc3 20.iWxc3 i.xh3 2 1 .iWb4! Without this important detail Black would be fine. In my opinion it is tough for Black to hold this position, for instance: 2 1 ...b6 22.iWxd6 c5 23.iWe7!± and Black did not manage to survive, Shamkovich - Baljon, Amsterdam 1 979. b) 1 3 ...i.d7 1 4.ltJb3! This excellent move enables White to remove the pressure against the e4-pawn. 14 ...i.e6 14 ... ltJxb3 1 5.axb3 Now Black must take time out to defend the a-pawn. 1 5 ... a6 ( l 5 ... c5 1 6.iWd2 i.c6 17.l:%ad l ± leaves White with an obvious positional advantage, A. Petros ian - Akopian, Yerevan 1 9S5.) 1 6.l:%ad l i.e6 1 7.iWd2! Now the weakness of the b6-square becomes very important, as we can see from the following line: 1 7 ... l:%adS I S.i.b6 l:%cS ( l S ... l:%d7 is well met by 1 9.f4± when the threat of f5 is very unpleasant.) We have been following the game Burmakin - Iskusnyh, Novgorod 1 995. Now White could simply have grabbed the d6-pawn with 1 9.iWxd6 iWxd6 20.l:%xd6 ltJd7 21 .i.e3, keeping a healthy extra pawn. 1 5'ltJxc5 dxc5 1 6.b3 Now White can look to exploit his "extra" kingside pawn. 1 6 . . . l:%adS 1 7.l:%adl i.cs l S.f4 ltJd7 Raicevic F. Portisch, Odzaci 1 975. Here White missed a strong opportunity: -

Chapter 28 - 6 . . . ttJbd7

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19.e5!N Intending 20.tiJe4. 1 9 . . .f6 20.tiJe4! Still we see this powerful knight manoeuvre. 20 . . . fxe5 2 1 .tiJd6 �f8 22.f5± Black has a difficult position.

13.�adl There have been more than two hundred games played from this position, but for me the evaluation is obvious. White has achieved an optimal arrangement of his pieces and his chances are clearly higher.

1 3 . . . a4?? is a blunder in view of: 1 4.tiJxc6 bxc6 1 5.i.xc5+-

487

1 3 . . .1Wc7? This is also a serious inaccuracy, as it allows White to strike immediately with the elegant: 1 4.tiJdb5! cxb5 1 5.tiJxb5 1We7 1 6.tiJxd6 tiJa6 16 ... tiJe6 1 7.e5!N So far White has only captured immediately on e8, which I believe to be less accurate than the text. 1 7 . . . tiJd7 (Another option is 17 ... tiJh5 1 8.tiJxe8 '?fixe8 1 9 .1We4! Threatening 20.g4 1 9 .. .f5 20.exf6 tiJxf6 2 1 .1Wc2 intending 22.�fel . White is clearly better.) 1 8.tiJxe8 1Wxe8 1 9.f4± This kind of position is strongly in White's favour, as it is difficult for Black to develop his queenside. 1 7.tiJxe8 tiJxe8 1 8.f4 Intending to advance the e-pawn. 1 8 ... tiJb4 1 9.1Wf2 i.f8 I f 1 9 . . . tiJxa2 20.�a l i.e6 (or 20 ... tiJb4 2 1 .i.c5 1Wd7 22.md 1 tiJd3 23.1We3 tiJxc5 24.�xd7 tiJxd7 25.e5±) 2 1 .�xa2 i.xc4 22.�aa 1 i.xfl 23.�xfl ± White's bishop will be very strong after the imminent e4-e5 advance. 20.b3 White was clearly better in Szmetan - Milos, Buenos Aires 1 99 1 . 1 3 ... tiJfd7 This should me met by a calm reaction. 14.b3 1 4.tiJb3 was also a good move, but I like the idea of defending the c4-pawn in advance, thus preventing Black's threats before they even occur. White is firmly in control, and I just want to share with the reader the following nice line: 14 . . .1Wb6 1 5.�b l 1Wc7 The desirable 1 5 . . .1Wb4 runs into 16.tiJdb5! when it suddenly transpires that the queen is not so well placed on b4. 1 6.�fd l tiJb6 This position occurred in Makarov Askarov, Tomsk 2006. Now White could

488


have obtained a big advantage with the following thematic blow:

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1 5 ... h5 1 6.f4 �fB There is also 1 6 ... h4 1 7.g4 ltJf6 1 B.�f2 ltJxg4 1 9.hxg4 �xg4 Goczo - 5tupavski, Budapest 2005, and now the natural 20.�f3N would have left Black without sufficient compensation. 1 7 .�f2 ltJ e6 This was Bocharov - Apicella, Internet 2002. Here I suggest:

h

1 7.ltJdb5!N cxb5 1 B.ltJxb5 Now the following line looks natural: I B .. .'o&e7 1 9.ltJxd6 ltJbd7 20.ltJxeB �xeB 2 l .f4 b6 22.e5! It is essential to restrict Black's dark-squared bishop. 22 ...�b7 23.�xb7 ltJxb7 24.�g2 ltJbc5 25.a3±

14.lUel a4 I doubt that Black has anything better. 1 4 . . .�d7 looks a bit passive, but this is not the biggest problem for Black, since after 1 5.�f4! it is hard for him to deal with the threat of ltJxc6 followed by �xd6, for example: 1 5 ...:!:%adB (after 1 5 ... ltJh5 1 6.ltJxc6! �xc6 1 7.�xd6 �e6 1 B .�xc5 �xc4 1 9.�d6± and Black has no compensation for the pawn, Malaniuk - Mohr, Nova Gorica 2003.) 1 6.ltJb3! �e6 1 7.ltJxa5 ltJh5 I B .�e3 �c7 1 9.1tJb3± White had a healthy extra pawn in Vasilev - Maherramzade, Medellin 1 996. 1 4 ... ltJfd7 1 5.b3! This is why I consider 14 ... a4 to be more accurate. The text move not only prevents here Black from attacking the c4-pawn, but also from opening up the a-file for his rook. Here is one illustrative line:

a b c d e f g h 1 B.ltJxe6!N :!:%xe6 1 9.1tJa4! Black's position is very difficult. He has no active play and the b6-square requires constant observation.

1 5.f4 1 5.�f4 is not so strong in view of 1 5 . . . ltJfd7, Guimard - Olivera, Buenos Aires 1 964. 1 5 ... 11Jfd7 We must also pay close attention to: 1 5 ... ltJfxe4 1 6.ltJxe4 ltJxe4 1 7.�xe4 'IMlxe4 I B.�f2 �xe l t 1 9.�xel �xd4t 20J%xd4 :!:%xe1 t 2 1 . c;f{f2 �f5 After this forced sequence I do not believe that Black has enough compensation for his material deficit. 22.�d2 :!:%a1 Another option is 22 .. J�h 1 23.c;f{g2 c5 24.c;f{xh 1 cxd4 25.�xd4 �xh3 26.�xd6 i.e6 27.�d4± and it looks like White should convert his material advantage, Dautov Akopian, Tbilisi 1 9B9. 50 far we have been following the game

489

Chapter 28 - 6 . . . ttJbd7 Moncelli - Bilic, Bratto 1 988. At this point I found a serious improvement for White: 23.g4!N Now my main line runs as follows: 23 .. Jha2 24.�xd6! 24.gxf5?? a3 might lead to the opposite result. 24 ...ie6 24 ... a3 does not work now. White can give checks on d8, take on f5, give a check with the pawn on f6 and then with the queen on f8 and c5, with mate to follow. 25.f5! gxf5 26.1Mfg5t @f8 27.gxf5 With a decisive attack.

16.b4 1 6.if2 ttJb6 1 7.b3 is another move order. 16 ... axb3 17.axb3 llJb6 Black has managed to open the a-file for his rook, but this is not enough to make up for White's central dominance. 1 8.if2 i.d7 1 8 ... �a3 occurred in Kopylov - Seifert, internet 2004. Now White has a wide choice of interesting possibilities, but my own preference is 1 9.�a l N with the idea to exchange Black's only active piece. 19.ttJf3 White has achieved a model arrangement of his pieces. Now he threatens not only ixc5 or b4, but also e5. 19 J3a3?! Black must have either overlooked or underestimated his opponent's next move. Somewhat stronger would have been 1 9 . . .ieG, although here it looks tempting for White to make the transition to a strategically advantageous position by means of 20.ixc5 dxc5 21 .e5. ..

20.e5!±

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The opening of the centre was dearly favourable for White in Greenfeld - Koneru, Lippstadt 2004.

Conclusion: The system with G ... ttJbd7 and ... e5 is considered to be one of Black's most principled responses to the Fianchetto system, and rightly so. From a long-term perspective, the pawn structure following the typical ... exd4 exchange should favour White, who dominates the centre. The main challenge for the first player is likely to come in the early stages of the game, when he must strive to develop his pieces on purposeful squares while restraining the opponent's tactical opportunities. His plans will usually involve the moves h3 and ie3, followed by a queen move to c2 (often to defend the e4-pawn) and finally centralizing the rooks, typically on d1 and e 1 . If he can achieve all of this then he will invariably stand very well in the middlegame, unless Black has really achieved something concrete. Obviously Black has plenty of resources as well, and there are a few particular lines in which White has to be especially well prepared for a tactical confrontation. This is especially true of the Gallagher variation, which we encountered in line C2 l . The good news is that, in this and other lines, White's chances appear to be higher as long as he plays precisely.

King's Indian Variation Index l.d4 tDf6 2.c4 g6 3.g3 ig7 4.ig2 0-0 5.tDc3 d6 6.tDf3 tDbd7 7.0-0 e5 8.e4 c6 9.h3 �b6 10J:�e1 A) 10 .. J:�e8 B) 10 ... exd4 1 1 .tDxd4 B1) 1 1 . .. �e8 1 2.�e2!? B l l) 1 2 ... ltJxe4 B 12) 1 2 ... tDg4 B 1 3) 1 2 ...Wb4 B2) 1 1 ...tDg4 B3) 1 l . . . tDe8

491 493 494 494 495 497 498 498 B l I ) after 13 . . .ixd4

A) after 1 9 ... �xc3

B 1 2) afrer 18 ...�b4

8 7 6 5 4 3 2

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20.4Jb3!N

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1 9.4Jcb5!N

Chapter 29 - 9 . . .'Wb6

l.d4 �f6 2.c4 g6 3.g3 ig7 4.ig2 0-0 5.�c3 d6 6.�f3 �bd7 7.0-0 e5 8.e4 c6 9.h3 'Wb6 This is the most theoretically challenging move, and the one I have always been most cautious about facing. 1 0J:�el I believe this to be the most promising line. White has other interesting options, including both the positional 1 0.d5 and the more aggressive l O.c5!? dxc5 1 l .dxe5 lLJe8 l 2.e6 fxe6 l 3 .lLJg5 lLJe5, but I failed to discover any advantage after either of them. Now we must pay close attention to both A) 10 .. J�e8 and B) 10 ...exd4. 1 0 ...'Wb4 1 1 .ifl is examined in Variation F32 of Chapter 27 via the 6 ... c6 move order. 1 0 ... a5 is not really a serious option due to the following strong idea: 1 1 .c5! dxc5 1 2.lLJa4! 'Wa7 (after 12 . . .'Wc7 1 3.dxc5± Black must already have been regretting his 1 0th move in M . Novikov - Timoshin, St Petersburg 200 1 ) 1 3.dxc5 lLJxc5 Black rries to complicate matters, bur this does not bring him any relie( 14.ie3 lLJfd7 1 5.lLJxc5 lLJxc5 1 6.'Wd6 b6 17.lLJxe5 with a definite advantage for White, Bell - P. Littlewood, England 1 997.

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Black should postpone the capture in the centre until he is either forced to do it, or an otherwise suitable moment presents itsel( The immediate exchange is premature: 1 2 ... cxd5 1 3.cxd5 a5 14.ie3 id7 1 5 .lLJd2 This is the optimal set-up for White's minor pieces. The light-squared bishop might also assist in the fight for the queenside after ifl - j ust one example of how the inclusion of the moves gfl -e l and ... gf8-e8 was in White's favour. Quite a lot of games have been played from this position, but there is no doubt that White has a superior version of the main line, so I will only mention one illustrative game to show some ideas. 1 5 ...'Wc7 1 6.'We2 A worthy alternative is 1 6 .ifl . 1 6 ... gec8 1 7.gecl lLJe8 1 8.b3 White slowly prepares the b4 advance. 1 8 ... b6 1 9.a3 f5 20.b4 axb4 21 .axb4 lLJa6 Here I found an improvement over the game Fridman - Lykinov, Marijampole 1 996:

A) 10 ... ge8 1 1.d5 Compared with the position after 1 0.d5, the inclusion of the mutual rook moves to the e-file definitely helps White, for reasons that will become apparent.

1 1 . .. �c5 If 1 1 ... c5 Black's pieces are somewhat misplaced for the closed position and White obtains a pleasant edge after: 1 2.a3 gf8 1 3.ie3 'Wd8 1 4.lLJd2 b6 1 5.gbl a6 1 6.b4;!;; Timman Day, Haifa 1 976.

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22.exf5!N gxf5 23.lLJf3! 'Wd8 White was threatening 24.lLJa4. 24.lLJg5! The knight will arrive on e6 with great effect. It is very important that the following tactical sequence turns our in White's favour. 24 ... f4 Objectively Black should try something else, but in that case White's superiority would not be in any doubt.

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25.gxf4 exf4 26.ixf4 l%xc3 27.l%xc3 ixc3 28.W!d3 ig7 29.W!xh7t Wf8 30.W!g6! W!e7 3 1 .l%b3+White has a crushing attack.

13.ie3 Wfc7 14.lLld2 14.ixc5 has been known to be premature ever since the famous game Portisch - Fischer, Sousse 1 967, in which Black got a perfectly playable position after 14 ... dxc5 1 5.dxc6 bxc6 1 6.ltJa4 if8. 14...id7 Again premature is 1 4 ... cxd5?! 1 5.cxd5 id7 (Senseless is: 1 5 ... ltJd3 1 6.l%fl ltJxb2?? 1 7.W!b3+-) 1 6.W!e2 and we have transposed to the note to Black's 1 2th move above. I s.ifl Once again we see this very important resource. Now after a possible exchange on d5 the bishop might become very useful on the fl-a6 diagonal.

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15 . l%ab8 Let's also look at these ideas: ..

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After 1 5 . . .l%ec8 I propose the modest 1 6.b3N intending a3 followed by b4. I do not see how Black can profit from his last move, as 1 6 ... cxd5 17.cxd5 is still very much in White's favour.

1 5 ... l%eb8 1 6.�f3 I nstead 1 6.dxc6 ixc6! gives Black a plenty of counterplay, for instance 1 7.ig2 b6 1 8.b3 �b7 1 9.W!c2 l%c8 20.a3 ltJe6 with balanced chances, Ivkov - Liberzon, Amsterdam 1 969. 1 6 ... ltJe8 White also keeps some pressure after 1 6 ... cxd5 17.cxd5 b5 1 8.l%ec1 W!d8 1 9.b3t Black is tied to the defence of the b5-pawn. His problem is that advancing wi th . . . b4 would present the c4-square to White's knight. 1 7.dxc6 I suggest that the reader pays close attention to the timing of this exchange. If the timing is correct, it can be one of his key positional ideas. Having said that, I should also mention that there is nothing wrong with 1 7.b3 intending the standard plan of a3 and b4. 1 7 ...ixc6 Black would ideally prefer to play 1 7 ... bxc6, but the problem is that after 1 8.ixc5 dxc5 19.1tJa4 Black will lose the c5-pawn, as White can always step up the attack with ltJb3 and W!e3. If this were not the case, then White would have been better off eschewing the exchange on c6. 1 8.ltJd5 W!d8 1 8 . . .ixd5 does not solve Black's problems, as after 1 9.cxd5 White's bishop pair gives him the advantage. Here I found a nice new idea: 19.1%bd 1 !N White is planning ltJ b 1 -c3 and he maintains better chances. This is much stronger than 1 9.1%ed 1 ltJc7 20.ltJb3 ltJ7e6 when Black was alright in Panno - Stein, Caracas 1 970. I now analysed the following important line: 19 ... ltJc7 20.ig5! W!xg5 2 1 .ltJxc7 l%a7 22.ltJb5! ixb5 23.cxb5 ltJe6 24.ic4 W!e7 25.ixe6 W!xe6 26.l%c1 White keeps a positional advantage.

Chapter 29 - 9 ... �b6

16.a3! White immediately exploits the fact that Black removed his rook from as, meaning thar rhe standard reaction of ... a4 is nor available. 16 ... cxd5 17.cxd5 b5 This was rhe idea behind Black's 1 5rh move. l S.b4 liJd3 Black should refrain from exchanging on b4, as after I S ... axb4 1 9.axb4 ltJd3 20.j,xd3 'Wxc3 White is not obliged to defend his a3pawn and can instead accelerate his queenside play by the following means: 2 1 .'We2 1'!ecS (Very bad is 2 1 ...j,xh3? 22.1'!ec1 'Wa3 23.j,xb5 followed by ltJc4) 22.1'!b3 'Wc7 23.�h2 This kind of position is clearly favourable for White, as he can slowly increase his pressure on the queens ide, while Black is a long way from doing anything special on the kingside. 23 ...'Wb7 24.1'!a3 1'!aS 25.1'!ea l with ongoing pressure, Marovic - Tatai, Malaga 1 965.

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20 ... a4 The tactical justification behind the last move is seen after: 20 ... axb4? 2 1 .1'!c 1 'Wb2 22.1'!e2 'Wxa3 23.1'!a l +- as well as : 20 ...j,xh3? 2 1 .1'!c 1 'Wb2 22.1'!e2 Wxa3 23.1'!a l Wxb4 24.j,d2+21.Wfe2! This is the second key point. White's knight is untouchable in view of the threat to trap the queen. 2 1 ...WfeS 22.1'!ecl Wfa6 23.liJa5 1'!eeS 24.@g2 The b5-pawn is a constant weakness, and the c6-square will make an ideal future outpost for the knight. White's advantage is obvious. B) 10 exd4 .•.

This is considered to be the principal reply according to theory.

1 l .liJxd4 1 9.hd3 �xc3 Now I found a very strong novelty:

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20.liJb3!N After 20.1'!b3 'Wc7 2 1 .bxa5 'Wxa5 22.�h2 1'!ecS 23.'We2 1'!b7 24.1'!eb l 1'!cbS Black should hold the balance easily, Najdorf - Tal, Beograd 1 970.

Now Black has three moves that warrant serious attention: BI) l 1 ...1'!eS, B2) 1 l ... liJg4 and B3) l 1 . . .liJeS. 1 1 ...ltJc5 is not so challenging, and White can soon develop his pieces in the optimal way: 1 2.1'!b l a5 1 3.j,e3 1'!eS 1 4.'Wc2 ltJfd7

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1 5.f4 a4 1 6.�f2 �b4 1 7.a3 �a5 I BJ�bd 1 4Jb6 1 9.4Ja2!? ( l 9.�fl was a good option as well) 1 9 . . .�d7 20.4Jb4 l'!adB 2 1 .c;t>h1 �aB 22.g4t We have reached a typical situation for this variation. Black is searching in vain for counterplay, while White slowly improves his position, Arencibia - Garza Marco, Santa Clara 2002.

Bl) 1 1 ... l'!e8

1 2 ... 4Je5 1 3.b3 4Jfd7 1 4.�e3 4Jc5 1 5.l'!d2 just leaves Black with an inferior version of the positions reached in line B 1 2. 1 2 ... 4Jc5 also does not create any problems after: 1 3 .�e3 �b4 1 4 .l'!c l ! Whi te easily defends the c4-pawn by indirect means. 14 ... a5 1 5.a3 �b6 Two games reached this position, but still I found an improvement:

This certainly looks like the most natural move. Here White must make an important decision.

1 2.l'!e2!? I believe this to be the most promlsmg option. The main purpose is to defend the b2pawn in order to facilitate the development of the dark-squared bishop, although we will see in the variations that the rook has some other uses on the second rank as well. Also worthy of consideration is the main theoretical move 1 2.4Jc2!?

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1 6.4Jf3!N with the following nice point: 16 ...�e6 17.�xd6 4Jfxe4 1 B.4Jxe4 4Jxe4 1 9.�f4 4Jc5 20.�h4! and Black faces serious troubles.

B 1 1) 1 2 ... lLlxe4 This is certainly a critical line, although I still like White's chances.

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In this tense position there are three main ways in which Black may try to disrupt his opponent's plans: Bl 1 ) 12 ... lLlxe4, B 1 2) 1 2 ... lLlg4 and B 13) 1 2 .. JWb4. As usual, there are a few less common alternatives to consider.

1 3.lLlxe4 ixd4 The other option is: 1 3 ... �xd4 1 4.�e3! White will keep a nice initiative 111 the position without queens. It is difficult to evaluate the position after 14.4Jf6t 4Jxf6 1 5.�xd4 l'!xe2 1 6.�xd6 4Jd7, but it seems to me that Black has good chances to hold. 14 ...�xd l t 1 5 .l'!xd l 4Je5 1 6.4Jxd6 l'!dB 17.l'!ed2 ixh3? An obvious error, but even after 17 ...ifB I B.c5 f6 1 9.b3 White is clearly better.

Chapter 29 l s.ixh3 ltJf3t 1 9.cj;f1 ltJxd2t 20J%xd2+ Kursova - Kirillova, Orel 2006.

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9 .. Wb6

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1 5 ... d5 This attempt to obtain some activity does not bring Black any relief. 1 6.:B:b3 �a7 1 7.cxd5 cxd5 l S .ttJd6 :B:xe2 1 9.�xe2 ltJf6 20.ie3! ixe3 2 1 .:B:xe3 Faced with the threats of 22.:B:eSt and 22.:B:e7, Black is in big trouble.

16.ixe4 Very unclear is 1 6.:B:xe4 ixf2t 1 7.cj;f1 ltJfS l S.:B:b3 �a7. 1 6... ltJe5 17..!g2 I do not believe that Black has sufficient compensation for the exchange. The following point is very important:

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14.a4!?N This is a very interesting novelty. Apart from the incidental threat of 1 5.a5, the main idea is to activate the queen's rook via the a3-square. The usual move is 1 4.ttJxd6, but it seems to me that Black is doing alright after 14 ...:B:xe2 1 5.�xe2 ltJe5. 14... a5 This is the most natural move, although I checked a few others as well: Black fails to obtain adequate compensation after: 1 4 ... :B:xe4?! 1 5.ixe4 ttJf6 1 6.ig2 ie6 17.a5 �c5 l S .:B:a4!±

17....!e6 18.'!e3!? l S.b3 intending ie3 is also good enough. 1 8 ... .!xe3 1 9.:B:axe3 liJxc4 White is clearly better after 1 9 . . .ixc4 20.:B:d2 ie6 2 1 .b3 when the d6-pawn is falling. 20.:B:xe6 fxe6 2 1 .b3 liJe5 22.Wxd6 lLlf7 23.Wxe6 :B:d8 24..!f1 !± The vulnerability of Black's king should eventually tell. B 1 2) 12 ...liJg4 13.:B:d2 It is important that White is not obliged to retreat with his knight, but can instead maintain its strong position in the centre.

Also unsatisfactory is: 14 ... c5 1 5.a5 �c7 1 6.ie3 ixe3 1 7.:B:xe3 :B:e6 l S.:B:d3 White will regain the pawn, while maintaining serious pressure.

1 5.:B:a3 :B:xe4!? Perhaps this is the best chance to complicate the game, as the alternatives do not bring Black any relief: 1 5 ...ig7 1 6.ie3 �c7 1 7.ttJxd6 :B:e7 I S.c5 White is clearly better.

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13 ... �ge5 14.b3 lLlc5 1 5J'�c2! White intends to develop his dark bishop on its preferred home of d. Obviously White could not play 1 5.ib2? in view of 1 5 ... tLled3 winning material. 1 5 ... a5 It is much too optimistic for Black to try: 1 5 ...ixh3? 1 6.ixh3 tLlxe4 1 7.ie3! (but certainly not 1 7.tLlxe4?? 'lWxd4! 1 8.'lWxd4 tLlf3t 1 9.1t>fl tLlxd4 when it is Black who emerges with extra material) 1 7 ... tLlxc3 1 8J�xc3 c5 Bagirov - Geller, Lvov 1 978. Now the simplest route to victory would be: 1 9.tLle2N tLl f3t 20.lt>h 1 ixc3 2 1 . tLlxc3+-

2 1 .b4!N tLle6 22.tLlde2 with an obvious advantage. Perhaps best is 1 8 ... �a3!?N although even here after the forcing seq uence 1 9. b4 tLlxc4 20. bxc5 'lWxc5 2 1 .'lWcl tLlxe3 22.fxe3 ixd4 23.exd4 'lWxd4t 24.lt>h2 I would prefer White's chances, despite the approximate material balance.

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16.ie3 a4 Black logically continues his play on the queenside. The problem is that he does not achieve anything concrete and White stays firmly in control. 17J�bl axb3 1 8.axb3 W'b4 This looks like the most natural con tinuation, but unfortunately it meets with a beautiful refutation. Black can hardly hope for an acceptable game by playing passively, as seen after 1 8 ...'lWc7 1 9 .�d2 'lWe7 20.f4 tLled7 Borovikov - Schaefer, Senden 2005. Here White should have played

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1 9.�cb5!N This attractive tactical solution creates serious problems for the defence. Less convincing is 1 9.tLla2 'lWa3 20.b4 tLle6 2 1 .tLlcl Fridman - Schaefer, Essen 200 1 , and now after 2 l .. .tLlxd4!N 22.ixd4 ie6 23.�a2 'lWxa2 24.tLlxa2 �xa2 Black has decent chances. 19 ...cxb5 2o.id2 W'a3 2 1 .�xb5 W'a6 22.�c7 W'c6 23.lLlxa8 The last few moves were forced. Now Black has a choice, but neither continuation brings him any relief. 23 ... b5 23 . . .ie6 hardly looks like an improvement after: 24.�a2 tLla6 25.f4 'lWc5t 26.lt>h2 tLlc6 27.b4! 'lWxc4 28.�xa6 bxa6 29.�cl +24.f4 W'xa8 25.fxe5 ixe5 26.if4± It is clear that Black faces serious problems in this line.

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Chapter 29 - 9 .. .'IWb6

It is very important to check the other possibilities:

BI3) 1 2 .. .'&b4 This time Black tries to harass the c4-pawn.

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I3.l'k2 The rook takes full advantage of its position on the second rank. I3 ... lZkS 14 ..id2 'Wb6 Although this is undoubtedly the main line, we should not overlook the queen sacrifice: 1 4 ...Wxc4! ? 1 5.tLlcb5 cxb5 1 6.lhc4 bxc4 17.tLlb5! White has to take action very quickly, otherwise he could easily slip into a worse position. 17 ... tLlfxe4 I S.tLlc7 �f5 I also examined l S ...�e6 1 9.tLlxaS l:1xaS 20.�e3 �xb2 2 1 .l:1b 1 �g7 (2 l ...tLlc3 22.Wc2 tLlxb l 23.Wxb2 �f5 24.Wf6! tLld7 25.Wxd6±) 22.�d4 and it is hard to believe Black has enough compensation for the queen. 1 9.tLlxaS l:1xaS 20.g4 �xb2 2 1 .gxf5 �xal This position occurred in Seglins - Remde, corr. 1 990. Now I suggest: 22.'Mfxa l N tLlxd2 23.Wd4 c3 24.Wxc3 tLlde4 25 .�xe4 tLlxe4 26.Wc7 White keeps a definite edge.

Too risky is 1 5 ... tLlfxe4? 1 6.tLlxe4 tLlxe4 1 7.tLlf5! c5 I S.tLlxg7 Wxg7 1 9.1:1e2 tLlf6 20.Wd2 l:1xe3? (A strange decision, but even after the relatively best 20 ...�d7 2 1 .�h6t WgS 22.l:1ae 1 Black has serious problems defending the dark squares.) 2 1 .l:1xe3+- Stamenkovic Djuric, Nis 1 994. 1 5 ...Wc7 1 6.f3 Usually White tries to avoid this move, but in this concrete situation I do not see any problems, as he will slowly improve his position and later play f3-f4. 1 6 ... a5 17.Wd2 �d7 l S.l:1d l l:1adS Calleja Quintana - Roiz Baztan, Gijon 2000. Now I like the following arrangement: 1 9.Wf2N �cS 20.b3:t and White's chances are better, thanks to his space advantage.

1 6.ttJb3 I also spent some time on the tempting 1 6.tLlxc6!? Wxc6 ( l 6 ... bxc6? 1 7.'Mfxd6 tLl fd7 l S.tLla4 tLlxa4 1 9.�xb6 tLl axb6 20.c5+-) 1 7.e5 Pragua - Zehm, corr. 2000, but eventually concluded that after 1 7 ... tLlfe4!N l S.�xc5 tLlxc3 1 9.�xc6 tLlxd l 20.�xeS dxc5 2 1 .l:1xdl �f5 22.�a4 �xc2 23.�xc2 �xe5 the endgame looks rather drawish. 16 ... a4 17.ttJxcS dxcS Here I found an interesting improvement:

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18.�ac1 !?N I found nothing special for White after 1 B.�b 1 lLld7 19.b3 (White also gets nowhere after 1 9.�d2 lLle5 20.lLlxa4 Wia5 2 1 .b3 lLlxc4!) 19 ...axb3 20.axb3 Wic7 2 1 .f4 Kunte Kotronias, Edinburgh 2003, and now after the accurate 2 1 ...�dB!N 22.Wie1 id4 Black has a decent game. 1 8 ... �d8 Now the aforementioned idea of I B . . . lLld7 1 9.�d2 lLle5? does not work, because after 20.lLlxa4 the c4-pawn is protected by the rook on d . 1 9.�d2 �xd2 20.'lWxd2 White keeps the better chances, thanks to his superior pawn formation. It is important to note that Black cannot solve his problems in a radical way by means of: 20 ... ie6 21.eS ltJe8 22.£4 ixc4 In view of the unexpected: 23.ltJxa4! �xa4 24.b3 ixb3 2s.ixcs Wlc7 26.axb3 �a8 27.�dl White maintains a clear positional edge.

1 4 ... �eB 1 5.�b 1 a5 1 6.�fl is just another route to the same position.

l S.�bl �e8 16.�fl! This great prophylactic move was played first by Botvinnik back in 1 96 1 ! Now Black fails to get any concrete counterplay and his pieces will soon be expelled from the centre. 16...Wld8 Another line is 1 6 ...Wic7 17.Wic2 lLled7 1 B.lLlc3 lLlf6 (too passive is 1 B ... lLlfB 1 9.Ei:bd 1 lLlfe6 20.lLlde2 .tfB 21 .Wid2 lLld7 22.ih6 lLlg7 23.Ei:fe 1 ± Botvinnik - Pachman, Germany 196 1 ) 1 9.Ei:fe 1 id7 20.Ei:ed 1 and White keeps a clear space advantage, Sergeev - Lundberg, Ceske Budejovice 1 993. 17.Wlc2 Wle7 1 8.ltJc3 ltJed7 1 9.�fel 1tJf6 20.�bdl ltJfd7 21.£4 White continues to improve his position, while Black struggles to find any counterplay. 2 1 ...Wld8 22.ifl Wlb6 23.�bl Wlc7 24.Ei:e2 ltJb6 2S.�dl White maintains all his pluses, Furman Nezhmetdinov, Soviet Championship 1 959.

B2) 1 1 ...ltJg4 B3) 1 1 . . .ltJe8 This may appear unexpected, but it has actually been the most popular choice according to the database. It is surprisingly awkward for White to develop his pieces in the desired way, and great precision is required.

1 2.ltJb3 as This time the alternatives are not really impressive:

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12.ltJce2 1tJgeS 13.b3 ltJcS 14.ie3 as

1 2 . . .Wib4 1 3 .ifl lLlc5 14.id2 gives White a very pleasant game, for instance 1 4 ... lLlxb3 1 5.axb3 Wib6 1 6.ie3 Wic7 1 7.Wid2 White

Chapter 29 - 9 . . .'t&b6 slowly improves his pOSItIOn, while Black remains passive. 1 7 ... b6 l S.b4! i.b7 1 9.E1ed 1 White intends to continue with 20.c5 or 20.b5. 1 9 ... c5 20.bxc5 bxc5 2 1 .i.g2 White's positional advantage is beyond any doubts, Matamoros Franco - Paramos Dominguez, Santa Clara 1 999.

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14.cild4! This is the correct way, although it would not be easy to determine this over the board.

1 2 ... lZle5 This allows the strong thematic sacrifice: 1 3.c5! dxc5 1 4.i.e3i.e6 1 5.lZla4 Wic7 1 6.lZlaxc5 i.c4 1 7.lZld2 b6 More stubborn would be 1 7 ... E1dS, but also here after l s .Wic1 i.b5 1 9.f4 lZld3 ( l 9 ... b6 20.fxe5 bxc5 2 1 .lZlf3 c4 22.E1d 1 !±) 20.lZlxd3 i.xd3 2 1 .e5 White gets a stable advantage. l S.'t&c2 bxc5 J 9.lZlxc4 lZlxc4 20.Wixc4 i.xb2 This was Ruck - Jobava, Dresden 2007. Now I found the following improvement:

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21 .E1ad l N lZlg7 22.i.xc5 E1fdS 23.E1b 1 i.f6 24.f4 lZle6 25 .e5 lZlxc5 26.exf6! lZle6 27.i.xc6 E1d6 27 ... E1acS loses to 2S.E1xe6 fxe6 29.Wixe6t Wif7 30.i.d5!. 2S.i.d5 Wixc4 29.i.xc4 lZld4 30.E1e7 E1xf6 3 1 .E1bb7 White has a strategically winning position.

13.ie3 'lWb4 Black continues to pose problems. White must find a precise way to deal with the threats against his queenside pawns.

14 ...Wixc4 This leads to a forced sequence: 1 5.i.f1 Wib4 1 6.a3 Wib6 1 6 ... Wixb2?? loses the queen after 17.lZla4. 1 7.lZle6 Wixb2 1 S.lZlxg7 lZlxg7 1 9.lZld5 Threatening 20.i.d4, trapping the queen. 19 ... lZle6 Mamedjarova - Umanskaya, Warsaw 200 1 . Now Dautov's recommendation from ChessBase Magazine 91 looks strong: 20.lZlc7! lZlxc7 2 1 .i.d4 Wixa1 22.i.xal lZleS 23.f4! White has a clear advantage, as his attacking chances are quite real. 14 ...Wixb2 1 5.lZla4 Wia3 16.Wic2!N This looks like a very strong novelty. Black's queen is in real danger, and he will have to make some serious concessions in order to extricate her. J 6 ... lZlc5 16 ... lZle5 does not help after: 1 7.E1ed1 Wib4 l S.i.fl !± Threatening 1 9.a3.

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1 7.tOb6 �bB I B.�ab 1 ! Less convincing is 1 8 .�ed 1 tOa6!. 1 B ... tOd3 If 1 B ... tOf6 1 9.�ed 1 Black must already lose material in view of the threatened 20.�c l . 1 9.�e2 tOb4 20.Wd2 Wd3 2 1 .Wxd3 tOxd3 22.tOxcB �xcB 23.�xb7 White has regained his pawn while keeping a very strong initiative. A sample continuation might be: 23 ... tO f6 24.tOb3 �a8 25.�a7! a4 26.tOa5±

l S.a3 WaS Nobody seems to have tried 1 5 ...Wxb2. It does not seem to be so bad, as after 1 6 . tOxa4 �xa4 1 7.Wxa4 tOb6! Black has chances to obtain decent compensation for the exchange. Nevertheless after 1 B.Wa7 tOxc4 1 9.�eb 1 Wc3 20.�c 1 Wb2 2 1 .�ab l Wa2 22.tOc2! White keeps the better chances. 16.f4 Another possible move order is 1 6.Wc2 tOc5 1 7.�ad 1 tOf6 1 B. f4 leading to the same position. 16 ... tOcS 17.Wc2 lLlfG Clearly inferior is: 17 ... h5?! 1 B.�ad 1 tOf6 1 9.tOf3 �eB 20.tOg5 Black's d6-pawn is hanging and retreating the bishop to fB would be a clear admission of failure. Thus in the one practical encounter I found Black tried 20 ... tOe6, but after 2 1 .tOxe6 ixe6 22.�xd6 �xc4 23.W£1 Wc7 24.e5 tOd7 25.�ed 1 �e6 26.tOe4± White was in total control, Fridman - Gladyszev, Port Erin 2002. 18.�ad1 �e8 19.ifl hS I also checked 19 ... Wc7 20.tOf3 tOfd7 2 1 .id4! and White should be much better after exchanging the dark-squared bishops. Now I found a promising improvement: 2o.lLlf3!?N

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There is no point in rushing with 20.f5 tO fd7 2 1 .fxg6 fxg6 22.tOf3 tOe5 23.�xd6 �e6 when Black has reasonable compensation, Vladimirov - Novopashin, Gorky 1 954.

20....ie6 21 .�xd6 Lc4 22.eS tLlfd7 23.tLld2 ie6 24.tLlce4 lLlxe4 2S.tLlxe4 White has definite pressure. Conclusion: The 9 ...Wb6 varIation deserves its own dedicated chapter, as it sets White a totally different set of challenges from the lines we encountered previously. Here White really has to work hard and show great resourcefulness (or a high standard of opening preparation) simply to get his pieces out without allowing an unpleasant tactical blow. Subtle manoeuvres like �e2-d2 (or c2) can make all the difference. In line B3 we saw a case where White left the pawns on b2 and c4 en prise at the same time, which was j ustified by some specific tactics. Fortunately, there is a reward for all these difficult moves; after successfully repelling his opponent's early threats, White can look forward to a typically favourable middlegame thanks to his great control over the centre. As usual, I found several important improvements which I believe will pose considerable problems for adherents of Black's set-up.

Modern Defence a

b

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Wade Defence Variation Index l.d4 d6 2.ttJf3 �g4 3.c4 502 502 505 509 510 511 515 515 516 516 518

A) 3 ... c6 B) 3 ...g6 C) 3 ... ttJf6 D) 3 ...�xf3 4.exf3 D l ) 4... g6 D2) 4... c6 E) 3 ... ttJd7 4.ttJc3 E l ) 4 ...�xf3 E2) 4 . . . e5 5.g3 E21 ) 5 ... ttJgf6 E22) 5 ...�xf3 £ 1 ) after 1 2 . . . tUb6

D2) note to 1 0 . . . cxd5

C) after 1 8 .. ic7 .

8 7 6 5 4 3 2

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1 9.'<Wel !N

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502

The Modern Defence

l .d4 d6 2.�f3 ig4 This line is known as the Wade Defence, named after Bob Wade, the British 1M who played it for many years. 3.c4 It is too early for us to play our usual fianchetto, since after 3.g3 Black has a strong positional idea at his disposal: 3 ...ixf3 4.exf3 d5! with a very solid position. This is the main branching point of the Wade Defence. The main lines we shall study are: A) 3 ... c6, B) 3 ... g6, C) 3... �f6, D) 3 ...ixf3 and E) 3 ... �d7. A) 3 ... c6 4.lLlc3 �d7 This position might also arise via the 3 ... lUd7 4.lUc3 c6 move order. White's fWO main options according to the theory are 5.e4 and 5.g3, but I prefer a less popular move that is rather aggressive:

Then White shows another point to 5.d5: 6.lUd4! Black's light-squared bishop looks misplaced on g4, as the following examples show: 6 ... lUe5 Veingold - Maki Duro, Finland 1 998, continued 6 ... c5 7.lUc2 e6 8.f3 (or 8.lUe3 ih5 9.g3± is also quite pleasant for White) 8 ...ih5 9.e4 ie7 1 0.ie2 a6 1 1.0-0 h6 1 2.a4 and White had a comfortable advantage, due to Black's badly placed bishop. 7.h3 id7 8.e4 e6 9.dxe6!? Changing the pawn structure is interesting, though obviously the natural 9.ie2± would also retain the advantage. 9 ... fxe6 1 0.ie2 ie7 1 l .f4 lUf7 1 2.0-0 0-0 This position was reached in Gulko Ardaman, Hawaii 1998, and now White can play simple chess:

S.dS This fits perfectly with the rest of our anti Wade repertoire, as will become clear if Black takes on f3.

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1 3.ie3!?N c5 1 4.lUf3 ic6 1 5.id3 This would maintain White's advantage.

6.exf3 g6 7.ie3 ig7 8.ie2 �gf6 9.0-0 0-0 1O.'?Nb3 This leads to a line that will be examined via the 3 ...ixf3 4.exf3 c6 5.lUc3 lUd7 6.ie2 move order (line D) . B) 3...g6 Not a very popular move order, but quite important for us, since we cannot play the

Chapter 3 0 - Wade Defence

503

natural 4.ltJc3 (see my notes after 2 ... g6 3.c4 ig7 on page 522) .

1 0.�d l ltJge7 1 1 .ie2 0-0 1 2.0-0± when the black pieces are uncoordinated.

4.�b3!

6.�xf3 ig7 7.e3 Now 1 examined three options for Black, all of which lead to very different play.

In general this is a thematic move in this line, but this is the only moment when we will use it.

4...�c8 The alternative is 4 ...ixf3, but this looks like a concession to me: 5:�xf3 c6 6.ltJc3 ig7 7.e3 ltJf6 S.g3 This is usually the best way to develop the light-squared bishop. S ... ltJbd7 9.ig2 0-0 1 0.0-0 e6 (we shall examine the type of position that arises after 1 0 ... e5 l 1 .d5 in the 4 .. :�cS line) 1 1 .b3 d5 1 2.ib2 ltJb6 1 3:�e2;!; White has a pleasant game with the bishop pair and a space advantage, Vukic Puric, Jahorina 2003. 5.h3 The main point of White's previous move; now White can recapture with the queen on f3. 5 ...ixf3 The passive 5 . . .id7 was played in Velikov Ivkov, Cannes 1 990, and now White should play the natural 6.e4N ig7 7.ltJc3 ltJc6 S.ie3 when after S ... e5 White has a pleasant choice between the calm 9.�dl and 9.dxe5 dxe5

7...c5 Black's two other options are: 7 . . . ltJf6 S.ltJc3 0-0 9.g3 As mentioned above, the fianchetto seems the best way to develop the light-squared bishop. 9 . . . ltJbd7 The alternative is 9 ... c5 1 0.d5 when White has a nice version of the Benoni pawn structure. Let's see one example: 1 0 . . . e6 l 1 .ig2 exd5 1 2.ltJxd5! The point: White recaptures on d5 with a piece. 1 2 ... ltJxd5 13.'lWxd5 'lWc6 1 4.0-0 'lWxd5 1 5.ixd5 ltJc6 16.�d l �fdS White obviously has a long term edge, thanks to his better pawn structure and the bishop pair, Jaworski - Mokry, Czech Republic 1 999. White only needs to complete the development of his queenside, and this can be achieved by 1 7.�b 1 N �d7 IS.a3 a5 1 9.id2 when Black is doomed to a passive defence. 1 0 .ig2 c6 1 1 .0-0 e5 1 2.d5 Sooner or later White has to play this move to make progress in the centre.

The Modern Defence

504

12 ... cxd5 1 3.cxd5 ttJeB 14.e4 f5 Finally we have reached what appears to be a thematic King's Indian position, but Black's missing light-squared bishop is a significant long-term factor. Here is a nice example: 1 5.h4!? White activates his light-squared bishop via h3. The simple 1 5.id2 f4 1 6.�e2;j; would also promise White the better prospects. 1 5 ...�c4 1 6.h5 fxe4 1 7.�d l !? White bets on a middlegame, while 1 7.�xe4 �xe4 I B'ttJxe4 gxh5 1 9.ih3! was also quite promising. 1 7 . . .gxh5 I B.�xh5 ttJef6 1 9.�h4 ttJc5 20.ie3 White has a very nice position and just needs to find a suitable moment to capture on e4, Portisch - Larsen, Sousse 1 967 7 ... e5 B.dxe5 ixe5 9.ttJc3 ixc3t This seems quite risky, but on the other hand after the natural 9 . . . ttJe7 1 0.id2 0-0 l 1 .h4 h5 1 2.g3;J; White's chances are preferable. 1 0.bxc3 ttJc6 l 1 .c5 Opening up the position is of course desirable, since White has the bishop pair. 1 1 . . . dxc5 This position has occurred twice in tournament practice, and in both cases Black emerged from the opening with reasonable play. Naturally we need an improvement:

1 2J'!b l !N gbB Black cannot develop his knight in view of 1 2 ... ttJge7 1 3.�f6! 0-0 1 4.e4 and Black faces serious problems. 1 3.�b5 The best way to regain the pawn. 1 3 . . .�d7 Another line is 1 3 ... �e6 1 4.�xc5 �d6 1 5.gd5 and White is better. 1 4.�xc5 ttJge7 1 5.ie2 0-0 1 6.e4 White's edge may not be big, but it will be long-lasting, thanks to his bishop pair.

S.dS llJf6 9.ltlc3 0-0 10.g4 Certainly White could choose the modest 1 0.g3, but the text is interesting and more aggressive. 10 ... ltla6 This is Lechtynsky - Mokry, Rimavska Sobota 1 990, and now I suggest the following plan:

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1 1 .ig2!N ltlc7 1 2.a4! It is better not to allow a Benko-style ... b7b5 pawn sacrifice.

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12 ... ltla6 1 3.0-0 ltlb4 14.id2 White is better thanks to his extra space, and the play might continue as follows:

Chapter 3 0 - Wade Defence

14 ...a6 IS.aS Wfc7 1 6.Wfe2 e6 17.gS lLld7 1 8.dxe6!? fxe6 1 9.f4t In this complex position White's chances are preferable. C) 3 ... lLlf6 4.lLlc3

4...c6 This is the only move order that actually forces us to play 5.e4, which I have tried hard to avoid. The alternatives are 4 ...�xf3 and 4 ... lLlbd7: 4...�xf3 5.exf3 g6 After 5 ... e6 it is a good opportunity to opt for my favourite 6.g4!? (the more common 6.d5 is also quite promising). 6 ...�e7 7.f4 c6 (little is changed by 7 ... 0-0 8.�g2 c6 9.d5! as White's chances are preferable) 8.g5 lLlfd7 9.d5 0-0 This position was reached in Cheparinov - Klinova, Metz 2005, and despite White's quick win after 10.�d3, I believe his light-squared bishop belongs on another diagonal; after 1 0.�g2 White would enjoy a pleasant edge. 6.�e3 �g7 7.�e2 Now there is a split between plans with . . . c7c6 and instead simply castling: a) 7 ... c6 Probably White can transpose to a position

505

that is covered in the 3 . . .ixf3 4.exf3 c6 5 .lLlc3 lLld7 6.�e2 line, by means of 8.d5 0-0 9.0-0 when I hardly believe Black has anything better than 9 ... lLlbd7. However, once again I would like to campaign for greater aggression: 8.g4 I played this once and it turned into quite an instructive game: 8 . . . e6 1f8 ... h5 then White just continues his normal development with 9.\Wd2 and 0-0-0. 9.f4!? A remarkable idea: White intends to push his pawn to f5 in order to open lines. The thematic 9.d5 is also worthy of consideration. 9 ... d5 1 0.f5 exf5 1 1 .gxf5 dxc4?! Probably this is the wrong strategy, as it helps activate White's light-squared bishop. 1 2.�xc4 b5 1 3.�b3 b4 1 4.lLle2 lLld5 This is Avrukh - Bellini, Amsterdam 2005, and now instead 1 5 .\Wd3 allowing 1 5 ... 4Jd7, I should have played: 1 5.\Wc2 0-0 1 6.fxg6 hxg6 1 7.h4 The obvious plan of 1 8.h5 will give White a sttong initiative. b) 7 . . . 0-0

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Here it will be no surprise that I like the aggressive 8.g4!?N, especially compared with 8.h4 e5 9.d5 lLlh5 1 0.g3 lLld7 when

506

The Modern Defence

Black obtained a very reasonable game in Ligterink - Hartoch, Hilversum 1 985. I have even suggested the move g2-g4 with Black's king still on e8, so I believe this is a significantly improved version for White, since with the king on g8 we have even more reasons to starr advancing the kingside pawns. 4 ... ltJbd7 5.d5!? Again I would like to mention this rare option. Cerrainly White can opt for the natural 5.e4, which will probably transpose to the 4 ... cG-line after 5 ... e5 G.�e2 �e7 7.0-0 0-0 8.�e3 cG. 5 ... e5 Another option is 5 ... gG, but then after G.ltJd4 we already know that the light squared bishop is misplaced on g4. Ftacnik - Jansa, Hamburg 1 993, continued G ... ltJc5 and now I believe White should have played 7.b4!N ltJaG 8.a3 �g7 9.g3 0-0 1 0.�g2t with a pleasant advantage. G.dxeG �xeG An alternative is G . . . fxeG when I believe White retains the better chances after 7.h3 �xf3 8.exf3 �e7 9.�e2 0-0 1 0.0-0 cG 1 U%e l !t. 7.e4 �e7 If 7 ...�g4 then simply 8.�e2. 8.ltJd4 0-0 9.�e2 ltJc5 1 0.f3 a5 1 1 .0-0 cG 1 2.�e3 White had a big space advantage in B. Lalic - Rodriguez Aguilera, Dos Hermanas 200G.

5.e4 I was not satisfied with the results of our usual fianchetto: 5.g3 This allows the following positional idea: 5 . . .�xf3 G.exf3 d5! Black has good play. Also 5.d5 is not so good in this case. The point is that Black has not played ... ltJbd7, so the d7-square is free for his light-squared bishop,

while the knight can develop on aG. 5 ... cxd5 G.cxd5 gG 7.ltJd4 �g7 leads to a double-edged position.

i.

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8

%

4 3

2 1

. � � � . � 8 1�%% 8 _.i.� � ��.�m"" . . .;�� ttJ'.� ��.� _ 1[j 8 1� %8.�1[j. .x�7��x.� �§ �� _ § /� a b c d f h . .

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5 ltJbd7 Playable but somewhat passive is: 5 . . . eG Here I like the following set-up for White: G.�e2 �e7 7.0-0 0-0 8.�e3 There is no point rushing with 8.h3 , since Black will answer with 8 ...�h5. 8 ... d5 I also examined 8 ... ltJbd7 when the following plan looks good for White: 9.ltJd2 �xe2 1 0.�xe2 d5 l 1 .e5 ltJe8 1 2.f4 (the calm 1 2.l"1ac l is also worthy of consideration) 1 2 . . .dxc4 This is Suvraj it - Koshy, Calcutta 1 996, and now the natural-looking 1 3.ltJxc4 was strong enough. The threat of f4-f5 is unpleasant and probably forces Black to play 1 3 ... b5 1 4.ltJd2 f5 when after 1 5.exfG ltJdxfG I G.l"1ac l White has a positional advantage, due to Black's badly damaged pawn structure. 9.e5 ltJfd7 1 0.ltJd2 �xe2 1 1 .�xe2 dxc4 1 2.�g4 'tt> h 8 White was threatening 1 3.�hG. 1 3.ltJxc4 ltJbG This is Krogius - Karasev, St Petersburg 1 995, and now I like a modest move: 1 4.b3N ltJd5 1 5 .ltJe4 ...

507

Chapter 3 0 - Wade Defence White should be better, due to his extra space, for instance: 1 5 ... ltJd7 1 6Jhc1 Wic7 1 7.id2t 5 ... e5 6.ie2 ltJbd7 7.0-0 ie7 will just uanspose to 5 ... ltJbd7.

6.i.e2 eS 7.0-0 i.e7 Finally we have reached a position that is similar to an Old Indian Defence, except with Black's light-squared bishop on g4. At first glance, it feels like a favourable version for Black, as the bishop is much more active on g4 than cS. Even so, my general impression is that Black can hardly hope for equal play in Indian-type positions with his dark-squared bishop passively placed on e7. 8.i.e3 0-0 The line S ...ixf3 9.ixf3 0-0 does not have any independent value, as we can reply 1 O.d5 transposing to the main line, though I believe White also has reasonable alternatives. For example, I would seriously consider 1 0.g3. 9.dS Obviously the critical move. It seems White can also fight for an advantage with 9.ltJd2 ixe2 1 0.Wixe2, but the text is the most challenging. This is a significant theoretical tabiya. Black now has a wide choice between which type of position he would like to play. 9 ... cxdS There are two other important lines to discuss: 9 ... c5 1 O.ltJel ! This is stronger than 1 0.ltJd2, since White's knight is transferred to d3, where it can support both the £2-f4 and b2-b4 advances. 1 0 ...ixe2 1 1 .Wixe2 ltJeS Black plays in the spirit of the Czech Benoni; his plan includes ... g7-g6 and ... ltJg7 followed

by ... 0-f5 . He would also be happy to trade dark-squared bishops. 1 2.g3 An important prophylactic move, as now . . .ig5 can be met by f2-f4. 12 . . .g6 1 3.ltJd3 ltJg7 Here I like the following idea: 14.f4 exf4

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1 5 .ixf4!N After 1 5.gxf4 if6 White's central pawns are rather vulnerable and Black has definite counterplay, as in the following game: 16.id2 id4t 1 7.l!fh l a6 l S.!'lae l Wih4 With a double-edged position, Smejkal Benjamin, Thessaloniki 1 9S5. 1 5 ... !'leS If 1 5 ... f6 then 1 6.ih6 !'leS 17.ltJf4! ltJfS I S.!'lf2, followed by !'lafl , when Black's position is very passive. 1 6.!'lael ltJh5 1 7.Wif3 With the idea: 1 7 ... ltJxf4 Or 1 7 ... f6 1 s .id2. I S. gxf4 if6 1 9.e5! A thematic pawn sacrifice. 1 9 ... dxe5 20.f5 White has a dangerous initiative. 9 ... ltJeS A thematic move for this kind of pawn structure. 1 0.dxc6

50B

The Modern Defence

In my opinion the most promising continuation. Other options are less clear: If 1 0.ttJd2 then 1 0 . . .ixe2 1 1 .Wxe2 ig5 somewhat eases Black's task. At first I preferred 1 0.b4, but then I failed to discover anything interesting for White after 1 0 ...ixf3 1 1 .ixf3 c5! 1 2.a3 ig5 1 3.Wd2 ixe3 1 4.Wxe3 E1c8 and Black was doing fine in D. Gurevich - Hickl, Groningen 1 98B. 10 ... bxc6 1 1 .b4 This change of pawn strucrure appears favourable for White. In the following encounter he had definite pressure after: 1 l . ..a6 1 2.ttJd2 ixe2 1 3.Wxe2 ttJc7 1 4.a3 ttJe6 1 5 .ttJb3 And now after the inaccurate: 1 5 ... c5?! In Geller - Matulovic, Skopje 1 967, White could have secured his advantage with:

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1 6.ttJd5!N ttJd4 17.ixd4 exd4 I B.ttJa5±

1 7.';f;?hl E1f6 1 8.E1g 1 E1g6 1 9.Wd3 White had a pleasant edge in Uhlmann - Orbaan, Poland 1 967. 1 3.E1b l ttJef6 1 4.ih3 b5 Black consistently follows the plan he has prepared, but any opening of the position favours White: 1 5.cxb5 axb5 1 6.b4! cxb4 Not much better is 1 6 ... c4 1 7.E1a l ! WbB 1 8.a4 bxa4 1 9.E1xa4±. 1 7.E1xb4 Wa5 1 8.Wb l ttJc5 1 9.E1cl E1fb8 20.ifl Black has been strategically outplayed, plus his b5-pawn is fal ling, Ruck - Runic, Bled 2002.

l O.cxdS Once again Black has a choice:

8

7 6 5 4 3 2 1

lo .ixf3 The alternatives are: ..

9 . . .ixf3 Even though the position is closed, I consider this trade a concession. 1 0.ix.f.3 c5 1 1 .g3 With the idea of slowly preparing f2-f4. 1 1 . . .ttJe8 1 2.ig4!? The natural 1 2.ig2 also comes into consideration. 1 2 ... a6 Another example is: 1 2 . . . g6 1 3. f4 exf4 ] 4.gxf4 f5 1 5.exf5 gxf5 1 6.ih3 ttJg7

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1 0 . . . a6 1 1 .ttJd2 ixe2 1 2.Wxe2 White's d5-pawn secures a clear space advantage and it is easier for him to generate play on the queens ide. 1 2 ... ttJe8 Advancing the b-pawn would only ease White's task, for example: 1 2 ... b5 1 3.E1fc1 b4 1 4.ttJd l ttJe8 1 5 .a3 bxa3 1 6.E1xa3± Black faced serious difficulties in Li Wen liang Reh, Bad Zwesten 2003.

509

Chapter 3 0 - Wade Defence 1 3.b4 White starts his play on the queenside, not worrying about a possible trade of dark squared bishops. 1 3 ... g6 After 13 . . .�g5 White can continue with 1 4.�xg5 'lWxg5 1 5 .ttJc4. 14.ttJc4 �g5 1 5.�xg5 'lWxg5 1 6.�acl 'lWe7 17. ttJa5 �b8 This position arose in Blagojevic Guzijan, Niksic 1 996, and now I found an improvement: 1 8.'lWe3!?N f5 1 9.'lWa7 ttJc7 20.f3 ttJf6 2 1 .a4t Maybe there is still nothing concrete, but White has achieved more on the queenside and has the better prospects. 1 0 ... ttJe8 Now I like the following idea: 1 1 .'lWb3 'lWb8 1 2.�fc l ttJc5 1 3 .'lWc2 f5 Black's last two moves were simply wrong and now White achieves a solid plus with a simple idea: 14.�xc5! dxc5 1 5.exf5 �xf5 1 6.�d3 ixd3 1 7.'lWxd3± White has a clear positional advantage, Marin Khasin, Dresden 1988.

8 Jml��m;�

7 .� � �. ' W� r_""' �_' 6� . �%. {�Y-_ 'l..." .�' ' %_ ..... 5

L'� ��" � �. 4� %'''/ - �� ,� 3 . m � 8 W� 2 ��.�"";_� "",�� , ,.%� , 1Z=" " 1 ;�""% a b c d f h g

e

1 9.'lWel!N ib8 20.ttJa2! ia7 2 1 .ttJb4 The knight is ready to jump to c6. White can also create more pressure on the queenside with �h3, and then start playing along the c-file. His advantage is obvious. D) 3 ... ixf3 4.exf3 I always prefer to recapture with the e-pawn, bur of course 4.gxf3 is a worthy alternative that leads to more closed positions.

I I.ixf3 'lWb8 Now Black's main positional idea is to trade dark-squared bishops with . . .id8-b6, which is why White's next couple of moves are logical. 12.a4 �c8 13.aS id8 Now I found the following example quite instructive: 14.ie2 bS IS.£3! The best reaction; White carries out a fine regrouping. IS ...a6 16.�f2 'lWb7 17.ifl h6 1 8.g3 ic7 This is Gelfand - Campora, Izmir 2004. Black's idea is to transfer his dark-squared bishop to a7 with ...�b8-a7, but White has a strong positional idea at his disposal:

f

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h There is now a split between Dl) 4 . g6 and D2) 4 ... c6.

a b c d

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4 ... e6 5.ttJc3 ttJf6 will be examined via 3 ... ttJf6, and 4 . . . ttJf6 5.ttJc3 will also transpose to 3 ... ttJf6.

510

The Modern Defence

DI) 4. .g6 5.lLlc3 ig7 6.ie3 e6 .

Other options, such as 6 ... tLld7 or 6 . . . tLlf6, are examined via different move orders.

7.�b3 A tempting continuation that attacks the b7pawn and thus White gains a tempo to castle long. Instead Black has a reasonable game after both nMfd2 tLle7 8.h4 d5! and 7.h4 tLle7 8.h5 tLl f5 , as in this case Black keeps the option of castling long.

8 7 6 5 4 3 2 1

White's position looks very promising, for instance: 1 0 ... tLlbc6 1 1 .d5 tLla5 1 2.�c2± It is hard to imagine where Black's king will hide. b) 7 ...�c8 This looks too passive, and the following example illustrates White's resources. 8.h4 h5

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7... lLle7 The critical move. Perhaps White is not really threatening to capture on b7 at once, but it should always be considered. Black sometimes chooses to defend against the alleged threat to b7: a) 7... b6 Now I like immediate aggression: 8.h4!?N White has tried only 8.d5 and 8 . .ie2, but neither move is in the spirit of the position. 8 ... tLle7 I also examined 8 ... h5 9.0-0-0 tLlh6 (9 ... tLle7 1 0.g4 j ust transposes to 8 . . . tLle7) 1 O ..ig5 �c8 1 1 ..id3 and White has a comfortable edge. 9.g4 h5 1 0.0-0-0

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9.d5! This is very strong, especially with the black queen stuck on c8. 9 . . . exd5 The main point is that 9 ... e5 runs into 1 0.c5! which underlines how badly placed the black queen is. The best try was 9 ... tLle7, although after 1 0.dxe6 fxe6 1 1 .0-0-0 tLlbc6 1 2.g4! White has clearly better prospects. 1 0.tLlxd5 ! tLld7 Black cannot play 1 0 ... c6 in view of 1 1 .tLlc3 tLle7 1 2.tLle4! and Black loses the d6-pawn. 1 1 . 0-0-0 'it> f8 The line 1 1 .. .tLlgf6 1 2 . .id4 'it>f8 1 3.tLle3± does not change much. 1 2.g4± White's superiority was undeniable in Pogorelov - Panchenko, Katowice 1 992.

8.0-0-0 Grabbing the b7-pawn would allow Black excellent counterplay: 8.�xb7 tLlbc6

511

Chapter 30 - Wade Defence 9.0-0-0 �b8 1 0.�a6 0-0 Black definitely has compensation.

8...0-0 9.h4 ttJbc6 1 O.d5 Not allowing Black to build pressure against the d4-pawn with ... lUf5. 10 ... ttJa5 This is Peek - Hartoch, Edinburgh 1 988, and now a possible improvement is:

Now I checked what happens if Black delays playing ...ig7. 7 ... lUgf6 Instead 7 . . .ig7 8.ie2 lUgf6 9.g4 would transpose to the 3 ... lUd7 4.c4 ixf3 5.exf3 g6 6.ie3 ig7 7.�d2 c6 8.ie2 Iine, which is variation El on page 5 1 5. 8.g4! White's play in the following game looks very powerful. 8 . . . lUb6 9.h4 d5 1 0.c5 lUbd7 Another option is 1 0 ... lUc4 l 1 .ixc4 dxc4 12.�e2! when Black fails to obtain sufficient compensation for the pawn. l 1 .h5 gg8 12.0-0-0 b6 This extremely complex position arose In Ilincic - Pikula, Yugoslavia (ch) 2002, and now White should have played:

8 7 6 5 4 3 2 1 1 ...b6 Black cannot play 1 1 ... c5 in view of 1 2.dxe6 fxe6 1 3.ixc5. 12.dxe6 Also quite promising is 1 2.h5 �d7 1 3.g4. 12 ... fxe6 13.h5 ttJrs 14.hxg6 hxg6 15.ttJe4 White is clearly better, due to Black's vulnerable kingside. D2) 4 ... c6 5.ttJc3 ttJd7 Black has three interesting alternatives: 5 ... g6 6.ie3 lUd7 7.�d2

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1 3.cxb6N This move, and the following variation, was suggested by Ilincic in Informant 84. 1 3 . . . axb6 1 4.f8 1 2 .�d2! a5 1 3 .�c2 !%b8 1 4.h3 h6 1 5 . .te3 lUfd7 1 6.!%ad l White had a huge advantage in Plischki - Verkasalo, Prague 2008. 8 ..txf4 .th6 9 ..txh6 lUxh6 1 0.�d2 lUf5 l I . .th3 lUg7 The key point is that Black cannot play 1 1 ...0-0 1 2 ..txf5 !%e8t, since after 1 3 . .te4! f5 1 4.0-0 fxe4 1 5.!%ae1 Black cannot hold his central pawn: I 5 ... lUf6 1 6.�c2 �e7 I 7.lUxe4! lUxe4 1 8.f3± 1 2.�e3t rJif8 Also I 2 . . .�e7 1 3.0-0! �xe3 I 4.fxe3 f5 1 5.e4 0-0 1 6.exf5 lUxf5 1 7.lUb5! does not bring Black relief either. 1 3.0-0 lUf6 1 4.�f3 !%b8 1 5.!%fe 1 ± White had a clear advantage In Dizdar Hicld, Yerevan (01) 1 996. 6 . . . lUgf6 7 ..tg2 .te7 7 ... c6 8.0-0 .te7 9.f4 will eventually transpose to 7 ....te7. The key line is 7 . . . exd4, as I think this is the right move order if Black wants to play our main line with 6 . . . exd4. 8.0-0 0-0 9.f4 c6 Here I like the following plan: 10.fxe5 dxe5 l l .d5 �c7 This position has been reached in two games, and now I suggest a natural novelty: 1 2 ..te3N !%fd8 Black should avoid I 2 ... .tc5 as White rolls forward with tempo after 1 3 ..txc5 lUxc5 1 4 .b4 lUcd7 1 5.c5±. 1 3.!%c 1 t Th e strong d-pawn, with the support of the bishops, secures White a comfortable edge.

519

7.Wxd4 ltJgf6 8.ig2 With the move order Black has used, White has a very interesting alternative at his disposal: 8 .g4!? lUc5 (Other moves are hardly sufficient for Black: 8 . . ..te7 9.g5 lUe5 1 0 ..te2 lUc6 1 1 .�h4 lUd7 I 2 ..te3±, or 8 ... h6 9 ..te3 g6 1 0.0-0-0 .tg7 1 1 ..te2 0-0 1 2.�d2 r;t>h7 1 3.h4 with an initiative.) 9 . .te3 .te7 1 0.g5 lUe6 1 1 .�d2 lUd7 1 2.f4 c6 1 3.0-0-0 �a5 1 4.rJibl lUb6 1 5 ..td3± White reached a very promising position in Komarov - Klinova, Valle d'Aosta 2002. 8 .ie7 9.0-0 0-0 ..

1 0 ... !%e8 l 1.f4 c6 We have reached a typical position for this variation. White has a space advantage and his plan includes advancing his kingside pawns after first consolidating his position in the centre. This should win White even more space and push back Black's minor pieces. 1 2.h3 It is essential to take control of the g4square, while at the same time preparing the g3-g4 advance.

520

The Modern Defence

1 2 ... a5 13.h3 It is useful to prevent a possible ... a5-a4, which would gain Black more space on the queenside. 13 ...liJc5 14J'!ahl This move is a bit slow, but this is not a big problem as it does not change the character of the position. 14 ...ifS 1 5.g4 g6 16J�hdl Now in the game Vyzmanavin - Mokry, Tilburg 1 994, Black dubiously sacrificed a pawn with: 1 6...ig7?! Black should instead have played the natural 1 6 . . . lLlfd7. In this case after 1 7.lLle2 '&b6 (or 17 ...'&f6 1 8.lLlg3 '&xd4 1 9.1:hd4t) 1 8.'&d2 '&b4 1 9.1Llg3t White would retain slightly the better chances. His main idea is to play f4-f5 and fire up the action on the kingside. After the text move there was nothing wrong with taking the pawn: 17.VBxd6N Since the following idea does not work for Black.

17 ... VBxd6 1 8.ihd6 �he3 1 9.fxe3 lLle8

8 7 6 5 4 3 2 1

I......'/''////''''

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20J�d4! lLle6 2 1 .lLle2 liJxd4 22.exd4± White has a healthy extra pawn. Conclusion: The Wade Defence usually leads to interesting unbalanced play. White should keep an edge, with his extra space or bishop pair being two common sources of this advantage. The attentive reader will have noted my fondness for the advance g2-g4, sometimes as an attack, other times as a purely positional space-grab.

Modern Defence a

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Modern Defence Variation Index l .d4 d6 2.tiJa g6 3.c4 �g7 4.g3 A) 4... �c6 B) 4 ... c5 5.d5 b5 6.cxb5 B l ) 6...a6 B2) 6...'lWa5t C) 4... e5 5.�c3 Cl) 5 ...�g4 C2) 5 ... �c6 C3) 5 ... exd4 C4) 5 ... �d7 6.�g2 C41) 6 ... �h6 C42) 6 ... �e7 7.0-0 0-0 8.e4 exd4 9.�xd4 �c6 10.�de2 C421 ) 1 0 ... � de5 C422) 1 0 ... �c5 C423) l O ... a5 .

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C423) after 1 2 .. .f5

C2) note to 6 . . . lOxe5

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522

The Modern Defence

l.d4 d6 2.llJa g6 The Modern Defence requires careful treatment from White, because of the many transpositional possibilities. Naturally the King's Indian is lurking in the background. 3.c4 At first my intention was to recommend the immediate 3.g3, bur then I discovered that 3 . . .�g7 4.�g2 c5!? lures us into unfamiliar territory. 3 ...ig7 4.g3 Instead 4.ttlc3 �g4 is not a bad system for Black, so it seems wise to avoid this variation. Now we must consider three main lines: A) 4... llJc6, B) 4... cS and C) 4 ... eS. Instead 4 ... ttld7 5.ttlc3 e5 just transposes to the 4 ... e5 line. And of course 4 ... ttlf6 would lead to a normal King's Indian.

A) 4 ... llJc6 I recommend avoiding the main theory of 5 .�g2 e5 or 5.ttlc3 �g4 and instead opt for:

S.dS llJeS 5 ... ttlb8 looks too artificial, and after 6.�g2 ttlf6 7.ttlc3 0-0 8.0-0 we reach a very favourable version of the King's Indian. 6.llJxeS ixeS 7.ig2 Now in order to develop his kingside knight Black needs to waste a tempo:

10 ...eS l 1 .dxe6 Le6 1 2.b3 c6 1 3J'gcl White has easier play in this pawn structure, with the following game a good thematic example: 13 .. .'�aS 14.'�·d2 �fd8 IS.�fdl 'ff hS 16.id4 ih3 This is Burgess - Anand, Prestwich 1 990, and now White missed a strong manoeuvre:

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17.'fff4!N ixg2 1 8.�xg2 llJe8 19.ixg7 �xg7 20.�d3 White has good pressure on Black's weak d6pawn. B) 4 ... cS S.dS In the next few moves the play should transpose to either the Benoni or the Benko Gambit. However, I also analysed some rare ideas after the following pawn sacrifice:

5 . . bS 6.cxbS The split now is between Bl) 6 ... a6 and B2) 6 .. .'�aSt. .

7 ... ig7 8.0-0 llJf6 9.llJc3 0-0 I believe White should avoid playing 1 0.e4, as the following line seems much more to the point: 10.ie3 The only game to reach this position continued:

Bl) 6...a6 7.bxa6 White is willing to transpose to the Benko Gambit.

7 ... tiJf6 8.llJc3 0-0 9.ig2

Chapter 3 1 - The Modern Defence Now of course 9 ...ixa6 transposes to the Benko, but Black can vary:

9 ... 4Jxa6 Another method of carrying out a similar idea is: 9 ... if5 This idea was mentioned by Kasimdzhanov in his DVD on the King's Indian, to which opening this position might transpose, so this could be important in practice. 1 0.tLld2 This is White's best continuation. If instead 1 0.0-0 then Black carries out his main idea: 1 0 ... tLle4 1 1 .tLlxe4 ixe4 1 2.tLld2 ixg2 1 3.i>xg2 lha6� With interesting play for Black. 1 0 ... tLlxa6 1 0 ...'lMfcB is too artificial: 1 1 .tLlc4 'lMfxa6 After 1 2.tLle3 icB as in Drasko - Ristic, Ulcinj 1 997, White should have played the simple 1 3.0-0 tLlbd7 1 4.'lMfc2± with a good version of a thematic Benko position.

523

White manages to consolidate and Black can hardly hope for full compensation without his light-squared bishop.

10.0-0 Here 1 O.tLld2 does not achieve its goal, since after 1 0 ... tLlc7 1 1 .0-0 .ia6 Black has very nice play for the pawn, as White's pieces lack coordination.

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10.. J.f5 Otherwise there is no point in 9 ... tLlxa6. .

1 1 .4Jh4 I think this is the most promising line for White. 1 1 ...i.d7 1 2.i.d2 Now the following continuation is quite natural: a

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1 1 .tLlc4!N An important novelty that obviously improves upon 1 1 .0-0 tLlb4 1 2.tLlc4 ic2 1 3.'lMfd2 ib3! when Black has good play. 1 l ...tLlb4 1 2 .e4 ig4 It makes little difference to the assessment if Black tries 12 ... icB l 3.a3 ia6 1 4.ifl . 13.f3 icB 1 4.a3 ia6 1 5.if! ixc4 1 6.ixc4 tLld7 1 7.ie3 tLla6 1 B.0-0 'lMfa5 1 9.'lMfd2±

12 ...'lMfa5 1 3.'lMfcl!? As we already know from the main line, this is not such a bad square for the white queen, especially when we take into account that 1 3.'lMfc2 would run into . . . tLlb4. 1 3 .. JHb8 14.h3 This is always a useful move in this kind of position. 14... c4

524

The Modern Defence

This position was reached in Sargissian Kurnosov, Plovdiv 2008, and now White should have played:

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7... liJf6 Obviously dangerous is 7 ...i.xc3t 8.bxc3 'lWxc3t 9.i.d2 as the absence of the dark squared bishop should tell eventually. 7 ...i.d7 looks ridiculous and White played strongly in the following encounter: 8.i.d2 (8.e4!?) 8 ...i.xb5 9.lLlxb5 'lWxb5 1 0.e4 'lWb7 ( l 0 ...'lWxb2 would of course be dangerous for Black: 1 U�b l 'lWxa2 1 2.i.b5t 'iflf8 1 3.0-0 White has the initiative) 1 1 .'lWa4t! <j;Jf8 ( l 1 ...lLld7 1 2.i.b5 does not bring Black relief either) 1 2.i.h3!? 'lWa6 1 3 .'lWc2 ttJf6 14.i.fl 'lWc8 1 5.i.e2 h6 1 6.0-0 With the black king on f8, White's advantage is undeniable, Khamzin Singh, New Delhi 2009.

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1 5.�e3!N Keeping control of the d4-square; let's see a typical continuation: 1 5 ... liJe8 16.liJa It is very important that the thematic tactical idea 1 6 .. .:1hb2?! 1 7.'lWxb2 i.xc3 does not work in view of 1 8.'lWb7± when White keeps an extra pawn. B2) 6 ...\Wa5t 7.lLlc3! Not so clear is 7.i.d2 'lWxb5 8 .lLlc3 'lWb6 and Black has a half-decent version of the Benko.

8.id2 a6 9.bxa6 0-0 10.�g2 ixa6 1 1 .0-0 liJbd7 1 2J3bl We have finally transposed to a position from the main line of the Benko Gambit, which is covered on page 2 1 4. C) 4... e5 5.liJc3 We have reached a major crossroads for Black. He has a wide choice in this position, with four main lines and even a couple of minor variations:

525

Chapter 3 1 - The Modern Defence We will also mention and dismiss 5 ... ttJe7 and 5 ... f5: 5 ... ttJe7 I do not see how Black can profit from this move order, and it also allows White an additional option: 6.dxe5!? There is nothing wrong with 6.ig2. 6 ... dxe5 7.WxdBt WxdB B.ig2 Usually this type of endgame is defendable for Black, but here there is one small detail that makes Black's life tougher: normally Black develops his kingside knight via h6 to f7, where it controls the important d6-square and allows Black to slowly complete his development. But in this case it is obviously misplaced on e7, so White has good chances of gaining an advantage. B .. .f6 9.0-0 c6 This position was reached in Rinder - Weise, Solingen 1 964, and now I found a strong idea:

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1 0.b3!N This is quite problematic for Black, for instance: 10 . . . Wc7 l l .ia3 :!'%eB 1 2.ttJe4 ig4 1 3.h3 ixf3 14.id6t Wc8 1 5.exf3 ttJf5 1 6.f4 White has the initiative. 5 .. .f5?! This is one of Black's weakest legal moves! 6.dxe5! dxe5 7.WxdBt WxdB B.ig5t

White gains far too many tempos for his development. B . . . @eB 9.0-0-0 ttJe7? This is j ust a blunder. Black should have opted for 9 ...id7, although even here after 1 0.e4 h6 l 1 .ie3 ttJe7 1 2.exf5! gxf5 1 3.ttJh4!± he is under serious pressure due to his weak king, which is stuck in the centre and has lost the right to castle. 1 0.ixe7! @xe7 l 1 .ttJd5t @d6 1 2.ttJb6t White was winning in Tadic - Borsos, Senta 2002.

Cl) 5 ig4 ...

This mixture of a kingside fianchetto, ... e7-e5 and ...ig4 does not work well for Black.

6.dxe5

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6 hO The simple pawn recapture walks into trouble: 6 ... dxe5 7.WxdBt WxdB B.ttJg5! ttJh6 9.ig2 c6 (Not much better is: 9 ... WcB 1 0.0-0 ttJc6 1 1 .h3 id7 1 2.ttJge4 Heading for c5 at an appropriate moment. 1 2 ... f5 1 3.ttJc5 e4 1 4.:!'%d 1 ttJe5 1 5.if4 ttJhf7 1 6.ttJd5± White seized a decisive initiative in Adorjan - Kupreichik, Jyvaskyla 1 99 1 .) This is Ribli - Matulovic, Vrbas 1 977, and now White should continue ...

526

The Modern Defence

with: 1 0.b4!N f6 1 1 .ltJge4 ltJf7 1 2.b5 With a strong initiative on the queenside.

7.exf3 ixe5 8.Wfb3 A tempting continuation, but it is also worth considering 8 .i.h3!?N with the following possible line: 8 . . .i.g7 (if Black moves his knight from g8, White has the annoying 9.i.h6) 9.0-0 ltJe7 1 0.i.g5 0-0 1 1 .1"!el ltJbc6 1 2.ltJd5 White's position plays itself. 12 . . . f6 1 3.i.d2± Black's set-up is very suspicious from a positional point of view. 8 ...Wfc8 9.£4 ig7 10.ig2 lLlc6 1 1.0-0 llJge7 1 2.ltJd5! Not allowing Black to complete his development in a natural way. 1 2 ... ltJxd5 13.cxd5 lLlb8 14.1"!el t �f8 15.ih3± Black faced serious problems in Van Wely Hommeles, Netherlands 1 997. C2) 5 ... ltJc6 6.dxe5! This looks more convincing than 6.d5 ltJce7.

ltJe6 9.ltJg5! and the c7-pawn is dropping, T.R. Hansen - Flaata, Norway 2000. 8.i.g5t! Black is in serious trouble. 8 ... ltJce7 The other options do not help either: 8 .. .f6 9.0-0-0t �e8 (or 9 ...i.d7 1 0.i.h3!+-) 1 0.ltJd5 The c7 -pawn cannot be saved. 1 0 . . . �f7 1 1 .ltJxc7 1"!b8 1 2 .i.d2 ltJge7 1 3.i.c3 e4 1 4 .ltJd4 White was simply a pawn up in Comas Fabrego - Sanpera Bonet, Castellar 2004. 8 ... ltJge7 9.0-0-0t i.d7 This is Jasnikowski - Swpka, Lublin 1 988, and now the simple 1 0.ltJd5 would be decisive, since Black is helpless against the threats of 1 1 .ltJf6 or 1 1 .i.f6. 9.0-0-0t i.d7 1 0.i.h3 f5 This is the best Black can do in this dubious line, bu t still after: 1 1 .e4! Black's position is extremely dangerous, for instance: 1 1 ...�c8 1 2.1"!he1 ltJc6 1 3.exf5 gxf5 In Milos - Fulgenzi, Buenos Aires 1 99 1 , a simple tactic was possible:

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6... ltJxe5 The pawn recapture is simply inferior: 6 ... dxe5? 7.Wfxd8t �xd8 Black loses material after 7 ... ltJxd8 8.ltJb5

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1 4.1"!xd7!N �xd7 1 5.i.xf5t <j;>e8 1 6.ltJd5 �f7 1 7.ltJxc7 1"!b8 1 8.ltJb5 This would secure a huge advantage for White.

7.ltJxe5 he5

527

Chapter 3 1 - The Modern Defence Once again the pawn recapture is simply bad: 7 ... dxe5? 8 .\Wxd8t <j;lxd8 9.ig5t f6 1 0J:%d 1 t We8 1 1 .lLlb5! Black loses at least a pawn, Vaulin - Belotserkovsky, Krasnodar 1 997.

1O.ig5 Instead 1 0.ih6 l'%e8 1 1 .\Wd2 would promise White a pleasant edge, but the text move is even more challenging.

8.ig2

10 ... f6 If 1 0 ... c6 then White continues his natural development: 1 1 .\Wd2 ie6 1 2.b3 \Wc7 1 3.l'%ad 1 White has a pleasant game, with definite pressure against the d6-pawn. 13 ... lLlf5? (somewhat better would have been 1 3 ... l'%ad8, although here after 1 4.lLle4 f6 1 5.ih6 l'%fe8 1 6.if4! White has serious pressure) Now in Tran Minh - Nguyen Hoang, Vietnam 2002, White overlooked the simple 1 4.e4 with the point that after 1 4 . . . lLld4 White has 1 5.ie3! c5 1 6.ixd4 cxd4 1 7.lLlb5 winning a pawn.

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8... lLle7 Black has also tried: 8 ...ig7 9.0-0 lLle7 But then White has a powerful blow: 1 0.c5! Black experiences definite problems: 1 0 . . . lLlf5 Mter 1 0 ... 0-0 1 1 .cxd6 cxd6 1 2.if4 Black is clearly worse. 1 1 .\Wa4t! A very annoying check. 1 l ...Wf8 A sad necessity; Black's problem is that 1 1 ...c6 runs into 1 2.l'%d l ! followed by e2-e4 and Black loses his d-pawn. 12.l'%d 1 id7 1 3.\Wb4± There is no doubt White is much better, with Black's king stuck on f8, Milos - Cifuentes Parada, Buenos Aires 1 99 1 . 9.0-0 0-0 Of course 9 . . .ig7 leads ro the position that was examined above via the 8 ...ig7 move order.

1 1.ie3 White's prospects are clearly preferable due ro his favourable pawn structure and Black's insecure dark-squared bishop. The game continued: 1 1 ...ie6 If 1 1 ...lLlf5 then White responds with 1 2.\Wd5t Wg7 1 3 .id2 keeping all the pressure. 1 2.�d3 �d7 13.l'%fdl l'%ae8 Now White can strike with:

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52S

The Modern Defence

14.c5! tLlc6 The main point is that Black cannot play 1 4 . . . d5 in view of 1 5. ttJxd5 ttJxd5 1 6.i.xd5 ixd5 1 7.Wxd5t Wxd5 1 SJhd5 i.xb2 1 9.l'�b 1 followed by Elxb7 with an extra pawn for White. 15.cxd6 cxd6 White had a significant positional advantage in Sorokin - Shariyazdanov, Dubai 200 1 , and now after the natural move: 16.tLle4 Black is left with a very poor position. C3) 5 ... exd4 6.lDxd4 This is also quite a popular line for Black. Now his main continuation is:

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6... ttJe7 Black also has a serious alternative: 6 ... ttJc6 Theory considers that White has a promising position after: 7.ttJxc6 bxc6 8.i.g2 ttJe7 9.ig5 0-0 Another option is 9 . . .f6 1 0.i.f4 �e6 (Black has also played 1 0 ...0-0 when I like the idea of 1 1 .Wa4N with the following point: 1 l ...Elb8 1 2.b3 f5 1 3.Elc l White's queen is pretty annoying on a4, while 1 3 ... a6 runs

into the strong 1 4.c5 d5 1 5 .0-0 with a clear positional advantage.) 1 1 .Wa4 Again I like this jump; the white queen puts a lot of pressure on Black's queenside pawns. 1 l . . .Wd7 1 2.0-0 0-0 1 3.Elfdl White intends to continue with c4-c5, and Black is unable to stop this idea. This example shows the danger of Black's position: 1 3 . . . ElfbS 14.c5 d5 1 5.e4! Elxb2? 1 6.exd5+- Black suddenly found himself in a lost position in Staiger Frick, Germany 1 992. 1 0.0-0 After the inaccurate 1 0.i.xc6 Elb8 Black has sufficient compensation for the pawn. l O ... ElbS The text is Black's first choice according to theory, but we should also consider two other possibilities: 1 0 ...i.e6 Now I found an interesting innovation: 1 1 .Elcl !N (The usual line is 1 1 .Wd3 Elb8 1 2.b3 c5 1 3.�d2, but my idea is to get the same posirion with an extra tempo for White.) 1 1 . ..f6 (Other options include 1 l . ..i.xc4 1 2.i.xc6 Elb8 1 3.�a4 i.e6 1 4.b3 when White has a pleasant advantage, and 1 l ...Elb8 1 2.b3 c5 1 3 .�d2 when we get exactly the kind of position we want. We shall examine this type of position in the 1 0 ... Elb8 line.) 1 2 .i.e3 i.xc4 1 3.�a4 i.e6 14.ixc6 ttJxc6 1 5.Wxc6;!; Black's bishop pair is irrelevant, while White's better pawn structure makes his play much easier. 1 0 .. .f6 1 1 .i.f4 i.e6 Once again this allows a thematic sortie: 1 2 .Wa4! ElbS 13.b3 Now Black tried to build up an attack on the kingside to make up for his problems on the queenside: 1 3 ... g5 14.i.d2 f5 In the game Esposito - Reinhardt, Buenos Aires 1 963, White obtained a pleasant edge with 1 5.Elac l , but I do nor see any problem with capturing the pawn: 1 5.i.xc6 ttJxc6 1 6.�xc6 f4 1 7.Elacl EI£7 l S.gxf4! gxf4 1 9.\tlh 1 Black does not have any serious compensation for the pawn.

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Chapter 3 1 - The Modern Defence 1 1 .�d2 c5 1 2.b3 White makes all the necessary prophylactic moves to neutralize Black's initiative on the long diagonal. I believe White's chances are slightly better in this position. Let's see a few examples: 1 2 ...ie6 After 1 2 .. .f6 it is a good idea not to swap dark-squared bishops: 1 3.if4 ib7 This is Birnboim - Radulov, Berlin 1 986, and now I believe White should also avoid trading light squared bishops with: 1 4.e4 ltJc6 1 5.ie3! White has established control over the d4square and enjoys a pleasant game, though Black remains pretty solid. 13.�ad 1 f6 1 4.if4 Again it is the same idea: White keeps the bishops on the board, whereas 14.ih6 ixh6 1 5.�xh6 �d7 would ease Black's task, as in Hulak - Schneider, Neu Isenburg (rapid) 1 992. 14 ... @h8? This slip allows White an unexpected tactical idea: 1 5 .ltJb5! a6 1 6.ltJxc7 The point. 16 ...�xc7 1 7.ixd6 �d7 1 8.ixb8 �xd2 1 9.�xd2 �xb8 20.�d6 White had quickly gained a decisive advantage in Magerramov - Kantsler, Podolsk 1 989. 6 ... ltJf6 7.ig2 0-0 8.0-0 is almost certainly heading towards a normal King's Indian. For example, 8 ... ltJbd7 9.e4 immediately leads to the KID, while after 8 ...�e8 9.h3! it is hard to imagine Black has anything cleverer than 9 ... ltJbd7 when 1 O.e4 transposes to Line C2 in Chapter 28.

The alternative 8 ... bxc6 leads to a position that was examined in the 6 ... ltJc6 line.

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9.0-0 0-0 1 0.id2 This is the best way of solving the problems on the long diagonal. This pawn structure can arise in many openings, and in my opinion White always keeps slight but lasting pressure if Black is unable to create something special on the kingside. Note that White must avoid 1 0.�d2, since it allows 1 0 ... a5 1 1 .b3 a4 with counterplay. 10...ie6 1 1 .b3 Wld7 Now in almost every game where this position was reached White continued with 1 2.�e 1 , preventing the exchange of light squared bishops. In this case, that plan is a bit slow and White can play more aggressively.

7.ig2 ltJ be6 The other move order 7 ... 0-0 8.0-0 ltJbc6 9.ltJxc6 leads to the same positions.

1 2. h 8 1 8.ib2 1'!e8 1 9.'lWd2 'lWh4 20.1'!f2 And Black ended up in a lost position.

1 6.�b2 'lWd7 17.'lWd2 Here I tried to improve on Black's play: 17...hSN But this novelty still falls short. Black must find an improvement somewhere, as White easily gained a big advantage after 17 ... 'tt> h 8 1 8 .lDg3 1'!ae8 1 9.1Dd5 lDg8 in Csom Riazantsev, Budapest 1 999, and now j ust 20.1'!ae 1 ±. 18.f5! gxf5 1 9.9S lLle4 Or 1 9 ... lDh7 20.h4± followed by lDf4. 20.tlJxe4 hb2 2 1 .'lWxb2 fxe4 22.tlJf4 tlJeS 23.�e2!± Black is in trouble. C422) lO ... tlJcS 1 1 .�e3 Worse is l 1 .1'!b 1 because it gives Black an opportunity to break free: l 1 ...f5 1 2. b4 lDxe4 1 3.lDxe4 fxe4 1 4.ixe4 if5 Black has comfortable play.

l 1 ...f5 1 2.exf5 ixf5 1 3.'lWd2 a5 1 4.1'!ad 1 This is the position White should aim for in this line; he has consolidated his pieces in an optimal way and now he should slowly develop his play in the centre and on the kingside. 1 4 . . . a4 Now in the game P. Nikolic - Damljanovic, Manila 1 990, White opted for 1 5.lDd4, which eased Black's task after heavy exchanges on d4. This is why I developed another idea:

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1 5.lDf4!?N �h8 1 6.h3t White does not need to rush, but in some lines he can consider g3-g4 to push away the bishop. White's chances are clearly preferable.

12.1'!bl! Now the play transposes to the main line. It is important to understand that the natural 1 2.'lWd2 is actually a serious inaccuracy, as it allows Black to create counterplay on the queenside with: 1 2 ...ie6! 1 3.b3 (or 1 3.lDd5 lDe5 1 4.b3 a4�) 1 3 ... a4 1 4.1'!ab 1 axb3 1 5.axb3 1'!a3 As in Bentzen E. Mortensen, Denmark 2002. -

a b c d

e

f

11 ...aS The most popular alternative is:

g

C423) lO ... aS 1 1 .1'!bl h The main idea of this move is not to allow Black to open up the a-file, as would happen

536

The Modern Defence

after the natural 1 1 .b3 a4 1 2.l'!b 1 axb3 1 3. axb3 when Black has a totally reliable position.

1 l ... lt'lcS 12.J.e3 Black is doing fine after 1 2.b3 f5 . After the text move we reach the final crossroads for Black in this line. 12 ...£5 The most natural continuation and also Black's main idea to activate his pieces. Various other possibilities have also been tried: 1 2 ... a4 This gains some space on the queens ide, but after: 1 3.f4 It will be hard for Black to carry out the . . . f7f5 advance, since White will always have the idea of e4-e5, exploiting the vulnerable position of the black knight on c5. 13 ...ig4 1 4.h3 ixe2 In Ferrer Duran - Todorcevic, Ponferrada 1 992, White wrongly recaptured with the knight, but we can do better:

a pleasant advantage. 1 6.e5 It'ld7 1 7.Wff2 dxe5 1 8.f5 White has a strong initiative. Black cannot afford to play slowly In this position: 1 2 . . . l'!e8 1 3. b3 �g4 1 4.f3 id7 1 5.Wd2 b6 1 6.lt'ld4 It'le5 1 7.h3 f6 1 B.s1f8 8.ltlf3 ltlf6 Again the only move. 8 ...i.xh I ? leads co a hopeless position after 9.ltle5! i.xe5 l O.dxe5. 9.�g6 i.xf3 9 ...i.xh l ? loses co 1 0.i.h6 �xh7 1 1 .ltlg5 and Black will quickly be mated. 1 O.�gl �xh7

1 1 .�g3! The key move in this line; White regains the piece and remains a pawn up with a clearly better position. 1 l ...i.e4 1 2.i.xe4 ltlxe4 1 3.�f3t ltlf6 Black's position is hopeless after 1 3 . . . i>g8 1 4.�xe4 c6 1 5.i.f4 �f8 1 6.i.e5 d5, as in

551

S.H. Jensen - 1hestrup, Helsingor 2008, as the simple 17.�e3N �f5 1 8.ltld2 is winning for White. 14.�xa8 �xh2 1 5 .i.f4 �h4 1 6.�g2 �g4 This was Dallmann - Ewald, Leipzig 1 996, and after: 17.�h2+White remains an exchange up with an easily winning position. 3 ... g6 Black opts for a double fianchetto and most probably a set-up with his knights on e7 and d7, a system which some call the Hippo. I recommend the following idea: 4.c4!?

centre. 4 . . .i.g7 5 .ltle2 This is more Aexible than 5.ltlf3. 5 ... ltlc6 6.i.e3 ltlb4 Black exchanges his knight for White's light-squared bishop as otherwise his knight would simply be misplaced on c6. 7.ltlbc3 ltlxd3t 8.�xd3 e6 9.0-0-0 d6 In Najer - Blatny, Pardubice (rapid) 2007, White's space advantage was obvious, but Black has a fairly sound position. I recommend that White vary from the game with the following suggestion:

552

Minor Systems

1 O.h4N The game saw 1 0.f4 l:jj e7 l 1 .g4 h5 1 2.g5 and now the well-timed 12 . . . d5! would have offered Black fine play, as he gains control over more squares in the centre. 1 0 . . . l:jj f6 1 1 .f3 h5 Otherwise White would grab more space with g2-g4. 1 2.<j{b l 1&d7 1 3.1&c2!? Black has to solve an unpleasant dilemma with his king. If Black castles short he would Black obviously face a Samisch-sryle attack, while 1 3 . . .0-0-0 runs into the unpleasant 1 4.e5.

4.l:jj d2 White can also defend the e4-pawn with 4.1&e2 or 4.l:jj c3, but I prefer the text. 4 ...e6 5.l:jj e2!? It is true that in most cases White develops his knight to f3, but I find the text move quite interesting. First of all, White keeps the option of advancing the f-pawn in many lines and, secondly, if Black decides to go for a closed rype of position (by playing at some moment . . . d6-d5, e4-e5 . . . l:jj fd7) White would enjoy a more comfortable set-up with the knight on e2 compared with on f3. I decided to concentrate on Black's two main options: 5 ... c5 The alternative is: 5 . . . d5 6.e5

And here we shall consider two options: a) 6 . . . l:jj e4 7.c3 l:jj d7 If 7 ... c5 then after 8.l:jj xe4 dxe4 9.ic2 Black's e4-pawn is very vulnerable. 8. l:jjg3 There is also nothing wrong with 8.0-0 l:jj xd2 9.ixd2 c5 10.l:jj f4 g6 1 1 .1&g4t. White could instead have tried 8.l:jj xe4 dxe4 9.ic2, but Black could avoid this option by playing ... l:jj xd2 on the previous move. 8 . . . l:jj xd2 9.ixd2 c5 1 0.0-0 �c8 So far we have followed the game Lelumees - Siempos, Patras 1 999. Now a natural looking continuation is: 1 1 .1&g4N g6 1 2.ig5 1&c7 Or 1 2 . . .ie7 1 3 .ih6!. 1 3.h4 This leads to a position that is much like a very favourable French Defence for White. b) 6 . . . l:jj fd7 7.0-0 c5 8.c3 l:jj c6 8 . . . g6 makes Black's dark squares vulnerable, which was exploited neatly in the following encounter: 9.l:jj f3 ie7 1 0.ih6! ia6 1 1 .c4! With the black king stuck in the centre, it is correct to open up the play. 1 1 . ..ixc4 1 2.ixc4 dxc4 1 3.d5 White was clearly better in Poluljahov - Shevchenko, Polanica Zdroj 1 999. 9.f4 This is a reasonable plan, but the immediate 9.l:jj f3 is quite good as well , for instance: 9 . . .ie7 1 0.a3 A prophylactic move that secures White from a possible . . . l:jj b 4-jump after exchanging on d4. 1 0 ...cxd4 1 1 .cxd4 �c8 1 2.b4 0-0 1 3 .l:jj f4 �e8 1 4.g3 Now White has gained a lot of space on the kingside and can easily seize the initiative there. 1 4 . . . g6 1 5.h4 if8 1 6.h5 ig7 1 7.�e 1 White had the better prospects in Korneev Triquell, Badalona 1 994. 9 ... g6 1 O.l:jj f3 ig7 1 0 . . .1&c7 is well met with I l .ie3.

553

Chapter 33 - b-pawn Systems I I .g4 Obviously White's plan is to push f4-f5. Black should have tried to castle long, but instead in the game he entered the battle in the centre, which naturally ended in White's favour: I 1 . . .f5 I 2.exf6 .ixf6 1 3.f5! e5 1 4.dxe5 Simple, although it should be said that 1 4.g5 .ie7 1 5.f6± was good enough as well . 14 ... ttJcxe5 1 5.ttJf4 d4 1 6.ttJe6 Wle7 1 7.ttJxe5 .ixe5 1 8.Wle2! Black ended up in a lost position in Browne - Kueiuer, Skopje 1 972.

6.c3 li:Jc6 Black's first choice according to theory, but he has additional options as well: 6 ... cxd4 7.cxd4 ttJc6 8.a3 j,e7 9.0-0 0-0 1O.b4! This is probably White's best set-up. I O . . . d6 1 1 ..ib2 �c8 1 2.ttJg3 White prepares to advance his f-pawn, which should give him serious attacking chances. 1 2 ... ttJd7 1 3.f4 g6 I 4.Wlg4 ttJf6 1 5.Wlh3 White enjoyed the better prospects in Ermenkov - Sahovic, Jurmala 1 978. 6 ... d6 7.0-0 .ie7 White now has two equally strong options. 8.f4 Or 8.ttJg3 ttJc6 9.ttJf3 cxd4 1 0.cxd4 0-0 as in Beshukov - Turikov, St Petersburg 200 1 , and now simply 1 1 .id2 �c8 I 2.Wle2t and White hb8 1 6.a5+- White developed a decisive attack in Dub - Jamrich, Budapest 2000. 1 O.f4 g6 l 1 .ctJd4 �g7 Black can also choose to commit his king immediately: 1 1 .. .0-0-0 This was tried successfully by Nigel Short against Gelfand in Novgorod 1 997. In fact Black's last move is risky and I believe White could pose serious problems after the following strong move:

u.�� i% f1Y.� '1 li " r_�I� "" 6 " , z_ !� z.l" "", z� "",z�� 4 �� i�� {%�� b ;�:iJ, b t"� ",z D � � �� V ��,� �,�"",; ��J� 2 � �.1llffP� � � �� i �a b �c �d � 8 7 5

3

rm

e

f

g

White's attack is very strong, since Black has nothing to oppose the �bl -b4 manoeuvre.

1 2.f5! This is stronger than 12.�e3 0-0 1 3.f5, as in S, Savchenko - Koenig, Bad Woerishofen 2003, as then Black has the opportunity to play 1 3 ...�xd4!N 14.�xd4 e5 1 5 .�d3 f6 16.�h6 �f7 reaching a defendable position.

.

1 2 . .gxf5 Now it is a different story and 1 2 ... �xd4t 1 3.�xd4 e5 does not solve Black's problems: 1 4.�f2 gxf5 1 5 .exf5 c6 1 6.ctJe4 0-0-0 1 7.ctJf6 �c7 1 8.�h6!± Black cannot do much against the upcoming 1 9 .�g7, winning an exchange. 1 3.exfS �xd4t Or 1 3 ... ctJxf5 1 4.ctJxf5 exf5 1 5.�g5 0-0 1 6.�xf5 f6 1 7.�e3 �ae8 1 8 .�d4± leads to an obvious positional advantage for White. 14.�xd4 0-0-0 1 5.fxe6 Instead 1 5.�g5 is well met by 1 5 ... �hg8. 1 5 ... fxe6

h

12.a4!?N Instead Gelfand played 1 2.b4?!. After 1 2.dxe6 fxe6 1 3.�h3 Short analysed 1 3 ...�g7 and then 14.ctJxe6 �xc3 1 5.bxc3 �de8� when Black has fantastic compensa tion for the pawn. 1 2 ... a5 Otherwise it is hard to imagine how Black can defend his king against the advance of the a4-pawn. 1 3 .ctJcb5 White has every chance of building a dangerous offensive, for instance: 1 3 ...�g7 1 4.b4! exd5 1 5.exd5 c5 1 6.dxc6 ctJxc6 1 7. ctJxc6 �xc6 1 8 .�a2 axb4 1 9 .�e3 'it>b7 20.a5 bxa5 2 1 .�xa5 �a8 22.ctJa7!

1 6 ... �hg8

565

Chapter 34 - English Defence I also looked at 1 6 ... e5 17.'.Wd3 h6 when White is still in control after 1 8.�d2 Wb8 1 9J:U7 �dg8 20.�afl .

17.ctJe4 e5? A serious mistake, but Black was struggling even after the best defence: 17 ... lL'lf5 I B .'.Wd2 �df8 1 9.1L'lf6 White wins an exchange due to the following line: 1 9 ...'.Wg7 20.�ae 1 ! �xf6 2 1 .�xf6 '.Wxf6 22.�xe6 '.Wd4t (if 22 ...'.W£7 23.'.Wc2 �g5 24.h3!+- and Black is defenceless against the threat of 25.g4) 23.'.Wxd4 lL'lxd4 24.�e7 WbB 25.�ff7 With a clear advantage. 1 8.Wd2 �g7 In the game Miniboeck - Schroll, Austria 2004, White now missed an easy win:

0 1 ) 5 ixg2?! .•.

This move is correctly regarded as dubious by existing theory, but it is essential to be familiar with the following line:

6.Wh5t g6 7.fxg6 ig7 Obviously bad is 7 ... lL'lf6? B.g7t lL'lxh5 9.gxhB='.W+-. 8.gxh7t c;f.1f8 9.ig5 Usually 9.lL'le2 lL'lf6 1 0.'.Wh4 �xh l 1 1 .�g5 leads to the same position. 9 ... ctJf6 This is the only move, since 9 ... lL'le7? loses to 1 0.lL'lf3! �xh l 1 1 .lL'le5 '.WeB 1 2.lL'lg6t lL'lxg6 1 3.�xg6 '.WcB 1 4.'.Wh4 and Black is helpless against the mating threats.

19.ctJf6!N We7 20.ctJh5! �g6 2 1 .�f7 �e8 22.ctJg7+0) 4. . £5 .

This move is definitely the reason why some players avoid playing the natural 3.e4 line with White.

5.exfS Naturally White should not shrink from the challenge. Now Black has a choice between 01) 5 ...�xg2?! and 02) 5 ...ib4t.

lo...ixhl An alternative is: 1 0 ... lL'lc6 This has actually scored well for Black; nevertheless, White has a great position: 1 1 .lL'le2 lL'lb4 l l ...�xhl would j ust transpose to the 1 0 ... �xh l line. 1 2.�g6 �xh l

566

M inor Systems

�.i 8 �. � • ", 7 J i�1.& ,1.WJI/j ...r. . •.z . . ,.:r. � � . .... /" ""�;r frc.§ Ni 0! ,,,,%�• ��"" \".�":.� . , 2 [j t� .QJ� � � 6

5

4 3 1

.z

"z

��'�M�Wffi�;"" " ��r'l; �Wffi �z �z

�:(l5. ��""z_r '/

'/

a b c d

e

f

g

h

This position was reached in Shumiakina - Matveeva, Russia 1 995, and now it is not that difficult to find the following idea: 13.ttJd2!N White prevents ... �f3 and prepares the decisive ttJe2-f4-h5. The best defence I managed to discover was: 1 3 ... ttJc6 Instead 1 3 ...�b7 loses neatly after: 1 4.ttJf4 @e7 1 5.ttJh5 'lWfS 1 6.d5! (threatening 1 7.ttJe4) 1 6 ... exd5 (or 1 6 ...ttJbxd5 1 7.ttJe4+-) 1 7.0-0-0 White's attack is unstoppable, as l"Ie1 is on the way. Similarly hopeless is 1 3 ... @e7 1 4.a3 ttJc6 1 5.0-0-0 �g2 1 6.l"Igl +-. 1 4.0-0-0 ttJe7 1 5.ttJf4 ttJxg6 1 6.ttJxg6t @f7 1 7.ttJxhSt 'lWxhS I S .l"Ixhl ttJxh7 1 9.'lWh5t @gS 20.�e3 White is simply a pawn up.

1 1. ttJ e2 ttJ c6 Black has tested a couple of alternatives: 1 l ...'lWe7 This is simply too slow and allows White to unleash a powerful attack: 1 2.ttJf4 'lWf7 I nstead 1 2 ... 'it>eS, as in Elsness - Antoniou, Istanbul (01) 2000, loses at once to 1 3.ttJh5. 1 3.ttJg6t @eS 1 4.ttJe5 'lWfS 1 4 ...'lWe7 would lose to 1 5.ttJg4. 1 5.ttJc3 d6 1 6.0-0-0 �b7

In the game Browne - Miles, Reno 1 999, Black soon had a dreadful position after 1 6 ... dxe5 1 7.dxe5 @e7 I S .l"Ixh l ttJbd7 . Now White played some strange moves (perhaps already in time trouble). After the simple 1 9.exf6t ttJxf6 (or 1 9 ...�xf6 20.l"Ie1 c6 2 1 .ttJe4 �xg5t 22.ttJxg5 and White wins) 20.l"Ie1 @d7 2 1 .�g6 Black would be doomed. 1 7.�g6t @e7

8

7

1.."=' = y /..,,,� ;..

6 5

4 3

2

a

b

c d

e

f

g

h

I B .ttJd5t!! White wins easily in every line. I B ... �xd5 Also losing is I B ... exd5 1 9.1"Ie1 @dB 20.ttJf7t @cB 2 1 .�xf6. 1 9.cxd5 dxe5 20.dxe5 ttJbd7 2 1 .'lWb4t! @dB Or 2 1 ...ttJc5 22.'lWf4 winning. 22.'lWxfBt l"IxfB 23.dxe6 @cB 24.exf6 ttJxf6 25.e7 l"IhB 26.�xf6 �xf6 27.eB='lWt l"IxeB 2B.�xeB White has a won position. 1 1 ...�f3 1 2.ttJf4 ttJc6 1 3.ttJd2 �g4 Now the best way to proceed is: 1 4.�xf6 Wxf6 1 5.'lWxg4 'lWxd4 The other capture is also losing: 1 5 ... ttJxd4 1 6.ttJg6t 'it>eB 1 7.ttJxhB �xhB I B.'lWgBt 'lWfB 1 9.0-0-0 and White is completely winning. The text move was played in Lower D. Marshall , e-mail 1 999. White's advantage is decisive after:

Chapter 34 - English Defence

567

1 3.f3! A good positional decision; White traps the bishop on h I , intending to capture it after castling long. 1 3 ... lLlb4 14.�b1 Black has to deal with White's i ntended lLlf4 which will create many threats. Black failed to find an adequate defence in the following encounter:

A big improvement over 1 6.lLlf3, as played in the game. After the text move Black's position falls apart. For example: 16 ...�f6 1 7.lLlg6t Wf7 I S .�e4+ The main threat is lLlf3.

14 ...cS l S.ltJf4 dS 1 6.�g6t @e7 1 7.lLlhS �f8 This is Santini - Nava, e-mail 2004, and now White has a simple solution:

1V!tJd2 @f7 Black has three other moves we should consider: 1 2 ... lLlb4 1 3.�g6 �b7 1 4.lLlf4 lLlc6 1 5.0-0-0 lLlxd4 This is Popovics - Babujian, Chalkidiki 2003, and now White could have won on the spot with 1 6.lLlh5. 12 ... e5 1 3.0-0-0 e4 1 4.�xe4 �xe4 1 5.lLlxe4 gxh7 1 6.�f4 White's attack is very dangerous, as shown in the following game: 1 6 ... @f7 1 7.lLl2c3! The most natural move and probably the strongest. 1 7 ... gh5 I S.h4± Black cannot do much against White's threat of lLld5, Magerramov - Psakhis, Soviet Union 1 9S0. 12 ... b5 Now White's initiative develops almost effortlessly. 1 3.lLlf4 lLlxd4? This of course significantly eases White's task. (I also examined 1 3 ... bxc4 1 4.lLlxc4 lLlxd4 1 5.lLlg6t WeS 1 6.�xd4 gxh7 1 7.lLlge5 gh3 I S.0-0-0 �d5 1 9.�g6t WfS 20.�f4! d6 2 1 .�xf6 �xf6 22.lLld7t+-.) 1 4.lLlg6t Wf7 1 5.lLle5t WeS 1 6.�xd4 White had a big advantage in Boor - Kraai, USA 2004.

02) S �b4t .•.

This is a more testing line for White than the dodgy pawn grab on g2 we have j ust looked at.

6.@f1 Stepping out of the way, covering g2, and also leaving the b4-bishop as a potential target. Black must now decide between 021) 6 ... exfS and 022) 6 ... ltJf6.

568

Minor Systems

D21) 6 ... exfS 7.c5!

14.i.d5 Elhe8 1 5 .g3 Black is lost.

10.Wb3 White undoubtedly also keeps the initiative after 1 0. tuf3, but the text is more ambitious. 10 ...i.a6 1 1.i.xa6 ttJxa6 1 2.ttJa Certainly White has no intention of winning a pawn with 1 2.Wd3, since after 1 2 ... Wc8 1 3.Wxf5 tuf6 1 4.tuf3 O-O� Black has reasonable compensation, M. Johansson Scholbach, e-mail 2000.

8.a3 c4 The alternative is hardly playable for Black: 8 ...i.a5 9.dxc5 Wf6 Now I really like the following elegant idea: 10 J!a2! id5 (instead 1 0 . . . c6 does not help after 1 1 .b4 i.d8 1 2.Ele2t tue7 13.i.b2 Wf7 1 4.tuf3± with a strong initiative) 1 1 .We2t tue7 1 2.b4 i.xa2 1 3.Wxa2 d5 1 4.bxa5 tud7 1 5.tuf3 Elb8 1 6.Wc2± White's material advantage should tell, Mielke - Heusslein, Germany 1 986.

1 2 ... c6 In Summerscale - S. Williams, Britain (ch) 1 998, Black did not manage to solve his king's problems: 1 2 . . . tuf6 1 3.tuc3 c6 1 4.i.g5 Wb6 1 5.Ele l t �d8 1 6.i.xf6t (also good enough was 1 6.Wxb6t axb6 1 7.tuh4, winning the f-pawn) 1 6 ... gxf6 1 7.Wc2 White is clearly better. 1 3.ttJc3 Wb6 14.Wc4 ttJc7 1 5.g3 Wa6 1 6.Wxa6 ttJxa6 17.d5! Black has managed to swap queens, but even so White's active pieces allow him to keep the initiative. 17 ... lDe7 1 8.dxc6 dxc6 1 9.rj;>g2 0-0 20.Eldl Elad8 This is L. Christensen L. Nielsen, Denmark 1 992. Now White could have won a pawn with: -

9.ixc4 i.d6 The alternative is simply bad: 9 ...i.a5? 1 0.Wb3! Attacking both the b7-bishop and the g8knight. 1 0 . . .We7 Now the simplest would be: 1 1 .tud2!N In the game Krueger - Galicki, Hattingen 2005, Black gained some counterplay after 1 1 .tue2 We4! 1 2.f3 Wc6 1 3 .ixg8 d5, although White is still much better. 1 1 ...ib6 1 2.i.xg8 tuc6 1 3.tugf3 0-0-0

2 1.i.g5N Elfe8 22.ixe7 i.xe7 23.ttJd4!± D22) 6 ... ttJf6 7.a3!? Not the most popular continuation, but in my opinion a very promising one. In the more popular lines Black has been doing fine, according to recent theory.

7 ..i.d6 .

Chapter 34 - English Defence Black can hardly hope for adequate compensation if he plays passively: 7 ...fie7 S.LtJc3 0-0 9.LtJf3 iMfeS Black has also tried 9 ... exf5 1 O.fixf5 iMfeS, Holmsgaard - Nemitz, Porz 1 990 (instead 1 0 ... d5? as in Moreno Trujillo - Zamarbide Ibarrea, Mondariz 2003, is not a serious option, as the simple 1 1 .LtJg5!N± would pose Black tough problems) . I think White should continue developing normally: 1 1 .fie3N For example, 1 l . . .iMfh5 1 2.LtJg5! iMfxd1 t 1 3 .l:hd1 g6 14.fie4 LtJxe4 1 5.LtJgxe4 fia6 1 6.LtJd2 leaves Black with insufficient compensation.

569

simplifications in Dautov - Filipovic, Switzerland 2004: 1 1 .fxe6 dxe6 1 2.fixf6! �xf6 1 3.fie4 �dS 1 4.iMfa4!± 1 1 .fxe6 dxe6 1 2.iMfe2 iMfd7 1 3.�e 1 White is clearly better, and the game Goldin - Gofshtein, Rishon LeZion 1 995, was decided very quickly: 1 3 ... h6 1 4.fixf6 �xf6 1 5.LtJe4 �f4 1 6.c5!+9 ... exf5 1 0 .fixf5

a

b

c

d

e

f

g

h

Here we have a few possible options: a

b

c

d

e

f

g

h

1 O.fxe6!N This is obviously stronger than 1 0.iMfe2 as in Beliavsky - Czebe, Hungary 1 999, as now 1 0 . . . exf5N 1 1 .fixf5 iMfh5 would give Black some play for the pawn. 1 0 ... dxe6 1 1 .iMfe2 Now very simple play gives White a large advantage. For example: 1 1 . ..fid6 1 2.LtJg5! e5 1 3.d5 LtJbd7 1 4.LtJe6 �f7 1 5.fie3±

a) 1 0 ... LtJc6 1 1 .fig5 iMfeS 1 2.fixf6!? A fine positional move; White establishes control over the h I -aS diagonal, which secures him against Black's tactical ideas. 1 2 ... �xf6 1 3.fie4 fia6 1 4.iMfa4 fib7 1 5.�e 1 ± White was clearly better in Sherbakov - Volzhin, Poland 1 999.

8.lLlc3 0-0 9.1tJf3 Wfe8 This is Black's main choice according to theory. There are also a couple of alternatives:

b) 1 0 ...fixf3?! Black cannot hope for adequate compensation after giving up his light-squared bishop. 1 1 .iMfxf3 LtJc6 1 2.fie3 g6 1 3.fic2 �g7 1 4.g3 h5 1 5.�g2 LtJg4 Now i n Yermolinsky Blatny, San Francisco 2000, the simple 1 6.iWe2 LtJxe3t (or 1 6 . . .iMff6 1 7.LtJe4) 1 7.fxe3± would have left White with a healthy extra pawn and a positional advantage.

9 ... LtJc6 1 0.fig5 LtJe7 1 0 ... exf5 1 1 .fixf5 would transpose to the 9 . . . exf5 1 0.fixf5 LtJc6 variation. 1 0 ... iWeS allowed White to force favourable

c) 1 0 ...iMfeS 1 1 .fie3 iMfh5 1 2.LtJg5! Without queens it will be hard for Black to rustle up compensation, as was shown in the following encounter:

570

Minor Systems

1 2 ... h6 1 3.�h7t c;t>hS 14.1&xh5 tLlxh5 This is Jaworski - Kalinitschew, Poland 2006.

a

b

c

d

e

f

g

h

1 5.�g6!N An easy improvement over 1 5 .�e4, as played in the game. 1 5 ... tLlf4 Or 1 5 ... hxg5 1 6.�xh5 �f4 1 7.c;t>g l ! with the idea of h2-h4. 1 6.�xf4 �xf4 1 7.tLlf7t c;t>gS I S.ttJe2 �d6 1 9.tLlxd6 cxd6 20.d5 White has a strategically winning position.

1 O ..igS The most challenging continuation, as the endgame after 1 O.i&e2 exf5 l 1 .i&xeS tLlxeS is very playable for Black.

1 O . . .i&h5 l 1 .d5 This move is positionally well motivated, but I also like the following idea: 1 1 .h4N exf5 1 2.l'l:h3!? 1 1 . ..exf5 If 1 1 ...exd5 1 2.�xf6 l'l:xf6 1 3.ttJxd5 l'l:fS 1 4.h3! tLlc6 1 5.g4 i&h6 1 6.Wcl and White swaps down to a clearly favourable endgame. 1 6 ... i&xcl t 1 7.l'l:xcl tLle7 I S.tLlxelt �xe7 1 9. c;t>g2 White retained his advantage in Shalimov - Janturin, St Petersburg 2002. 1 2.ttJb5 This is the point of 1 1 .d5. White intends to capture the dark-squared bishop, leaving Black with a bad light-squared bishop. 1 2 ... ttJe4 1 3.tLlxd6 cxd6 1 4.�e3 ttJa6 1 5 .b4!N 1 5.l'l:c l unnecessarily allows 1 5 ... tLlac5, as in Schlosser - Totsky, Pardubice 2007. After the text I like the following illustrative line: 1 5 ... tLlc7 1 6.tLld4 i&g6 1 7.f3 b5 l S.ttJxb5 tLlxb5 1 9.cxb5 tLlc3 20.i&d2 ttJe4 2 1 .i&b2 �xd5 22.i&d4 White has a clear positional advantage.

1 l .cS! A strong and concrete approach. Instead Black had serious counter-chances after 1 1 .�xf5 i&h5! 1 2.h4 h6 in Khenkin Bunzmann, Poland 1 999. An interesting alternative was tested in a recent game: 1 1 .�xf6 l'l:xf6 1 2.c5 �fS Black had to retreat, �s the c5-pawn is untouchable due to 1 3.i&b3t winning the b7-bishop. 1 3 .i&b3t c;t>hS 1 4.tLld5 This is Doric - Hrvacic, Slovenia 2009, and now I think Black missed the best defensive idea: 1 4 ... �xd5N 1 5.i&xd5 ttJc6 1 6.l'l:el tLle7 1 7.i&c4 l'l:bS White has a good looking position, but Black is pretty much in the game.

1 1 .ie7 ...

Chapter 34 - English Defence Of course the c5-pawn is still untouchable: l l .. .bxc5? 1 2.'Wb3t @hS 1 3.'Wxb7 +-

12.ixfS �h8 I also analysed the thematic move: 1 2 ...'Wh5 White should continue: 1 3.h4 And now: 1 3 ...�xf3 1 4.'Wxf3 Also interesting is 1 4.gxf3!? bxc5 (weaker is 1 4 ... h6 1 5.�xf6 fi:xf6 1 6.'Wb3t @hS 17.�g4!± followed by I S.fi:e 1 ) 1 5.dxc5 ltJc6 ( l 5 ...�xc5 allows White a strong initiative after 1 6.ltJd5) 1 6.ltJd5 White looks to be better. 1 4 ... 'Wxf3 1 5.gxf3 bxc5 1 6.dxc5 �xc5 Black has managed to regain the pawn, but White retains an initiative after: 1 7.fi:d l For example: 1 7 ... c6 I S .ltJe4 �e7 1 9.@g2 d5 20.ltJg3 a5 2 l .fi:he 1 White is better. 1 3.cxb6 axb6 Now I found the following interesting idea.

571

14.ic2!?N Removing the bishop from a vulnerable square and also intending to create threats along the b l -h7 diagonal with 'Wd3, after a preparatory 'it>gl (to sidestep . . .�a6 tricks). Instead 1 4.h4 as played in Likavsky Bunzmann, Austria 200S, which was premature as it allows the reply 1 4 ... ltJd5!N with unclear play.

14.. '\Wh5 Black has a few alternatives: 1 4 ... c5 allows White to block the light-squared bishop by 1 5.d5! with a clear edge. 1 4 ... ltJc6 is also unsatisfactory in view of 1 5.d5 ltJa5 1 6.'it>gl 'Wh5 1 7.h4±. 14 ... ltJg4 is met strongly by 1 5.h4! ltJc6 1 6.'it>g l ± and White is clearly better.

15.h4! id6 1 6.fi:h3! ltJcG 17.�gl Black has no compensation for his missing pawn. Conclusion: The English Defence surrenders a lot of space in the centre and White should be bold enough to take it with 3 .e4. Black has various tricky tactical lines, but the variations above provide all the answers. The positional verdict is simple - White's extra space is the key factor.

Minor Systems Black Knights Tango Variation Index l .d4 l2Jf6 2.c4 l2J c6 3.l2Jf3 A) 3 ... d6 B) 3 ... e6

573 575

A) note to 4 . . . e5

1 2 .�g5N

A) after 16 . .1J9 d7 .

1 7.b4N

B) after 9 i'lb8 ...

1 0.d5N

573

Chapter 3 5 - Black Knights Tango

l .d4 lLlf6 2.c4 ctJc6 The Black Knights Tango is an off-beat line that is respectable enough to be regularly ventured by GM Viktor Bologan. The Tango tempts White into advancing his pawns in the hope that the knights will dance away, leaving the white centre over-extended. We shall decline the invitation. 3.ctJf3 This move is the best fit with our repertoire. If 3.LtJc3 we would have to deal not only with 3 . . . eS, but also 3 ... e6, which would probably lead to Nimzo-Indian type positions. After 3.LtJf3 Black has two main lines to con sider: A) 3 ... d6 and B) 3 ... e6 . Besides these, we should also have a quick look at two minor lines: 3 ... dS Obviously this allows White to seize total control of the centre. 4.cxdS LtJxdS S.e4 LtJ f6 6.LtJc3 Here Black probably should accept a passive position after 6 . . . e6, since active development does not work: 6 . . .ig4 The problem is as follows: 7.dS! And Black cannot play: 7 . . . LtJeS? The lesser evil is 7 ... ixf3, but even here after 8.gxf3 LtJb8 (or 8 ... LtJeS 9.f4) 9.iWb3! Black's position is unpleasant. 8.LtJxeS! . A well-known idea in various openings. 8 ...ixd 1 9.ibSt c6 1 0.dxc6 Many games have reached this position; it is obvious that Black is losing too much material. 3 ... eS also does not work: 4.dS e4 S .dxc6 exf3 6.cxb7 ixb7 7.exf3± I do not believe Black has

serious compensation for his mlssmg pawn, Tempone - Olivieri, Santiago 1 996.

A) 3 d6 4.lLlc3 e5 •..

This seems like the most serious option, but let's also consider a couple of alternatives: 4 ... g6 S .dS Certainly we could also choose S.g3, which would probably transpose to the Yugoslav variation of the King's Indian. S ... LtJb8 6.g3!?N Surprisingly, no one has tried this fianchetto set-up. Of course the main line is 6.e4 ig7 7.ie2 0-0 8.0-0. I found many games from this position, but it is hard for me to take them seriously, as the position is similar to a Classical King's Indian, except with one or even two extra tempos for White. The following is j ust a sample line: 6 . . . ig7 7.ig2 0-0 8.LtJd4!? I like this move as it reduces Black's options. 8 ... eS 9.dxe6 fxe6 1 0.0-0 eS 1 1 .LtJc2 LtJc6 This is the game Rubinstein - Bluemich, Dresden 1 926. I propose the following improvement:

a

b

c

d

e

f

g

h

1 2.igSN ie6 1 3.LtJe3 iWd7 If 1 3 ... LtJd4 then White has the strong 1 4.LtJbS!. 1 4.LtJedS Elae8 l S .iWd2t White enjoys a pleasant game.

574

Minor Systems

4 ...�g4 5.d5 �xf3 If 5 ... ltJbS then we can use the thematic 6.ltJd4! when Black's light-squared bishop is misplaced on g4. Dziuba - Przewoznik, Poland 2006, continued: 6 ... g6 7.g3 �g7 S.�g2 Wfcs 9.h3 (or 9.f3) 9 . . .�d7 1 0.e4 0-0 1 1 .�e3 c5 And here I like 1 2.ltJde2!?N ltJa6 13.g4 as after 1 3 .. J::\ b S 1 4.a4 ltJb4 1 5.Wfd2 White has a promising position. 6.exf3 ltJe5 7.f4 ltJed7 S.g3 Black's position may be solid, but his missing l ight-squared bishop is significant. S . . . g6 9.�g2 �g7 1 0.0-0 0-0 1 1 .�e3 White has a very pleasant game; the game Dokhoian - Donner, Porz 1 99 1 , continued: 1 l .. .a5 1 2.ltJa4!? b6 Obviously it was better to refrain from this move. 1 3.ltJc3 ltJc5 1 4 .ltJb5 White was clearly better, since Black lacks any counterplay.

S.g3

a long-term edge. The following is a nice example: 9 ... c6 Otherwise it is hard to deal with the pressure along the h I -aS diagonal, but now the d6-pawn becomes a target. 1 0.b3 �e6 1 1 .�b2 Wfa5 1 2.e4 Wfh5 Black tries to create some play on the kingside. This is Donchenko - Varavin, Tula 2000, and now the natural-looking 1 3.Elfe l N �h3 1 4.f3 �xg2 1 5 . cj{ xg2 ElfeS 1 6.Elad U would secure White a pleasant game. S.o-o 0-0 Now I recommend: 9.ltJc2 Preventing Black's idea of . . . ltJxd4 followed by ... �c6. It is usually wise to avoid swapping minor pieces when you have a space advantage. 9 . . .Wfcs 1 0.e4 �h3 l 1 .ltJe3 White has a pleasant advantage, for example: 1 1 ...�xg2 12. cj{ xg2 EleS 1 3.b3 �fS 1 4.f3 g6 1 5 .�b2 �g7 1 6.Wfd2 Wfd7 1 7.Elad 1 White is clearly better, thanks to his extra space, Brenninkmeijer Martschausky, Germany 200 1 .

6.�g2!? Also not bad is the natural 6.d5, but it would allow Black some additional options. 6...�e7 White should not worry about the following exchanges: 6 ...�xf3 7.�xf3 exd4 Clearly inferior is: 7 . . . ltJxd4 S.�xb7 ElbS 9.�g2N Wfd7 (defending against Wfa4) 1 0.0-0 �e7 1 l .f4! And if 1 1 . .. 0-0 then 1 2.fxe5 dxe5 1 3.Elxf6! �xf6 1 4.e3± and White wins material. S.ltJb5 �e7 9.ltJxd4 ltJxd4 1 O.Wfxd4 c6 1 1 .0-0 0-0 This is Kirchner - Hohlbein, Germany 1 995, and now I suggest a simple novelty: 1 2.Eld1 Nt

Chapter 3 5 - Black Knights Tango

575

After provoking the weakening of Black's light squares, carrying out b2-b4 becomes a serious positional threat.

1 5 ... 0-0 1 6.a3 Wfd7

7.d5 CDb8 8.h3 ih5 Exchanging the light-squared bishop would be a concession: S ...ixf3 9.ixf3 0-0 1 0.e4 White enjoys a fine advantage, for instance: 1 0 ... ctJfd7 1 1 .h4! Preventing the thematic ... ig5. l l ...a5 1 2.0-0 ctJc5 1 3.b3 ctJba6 1 4.�b l c6 1 5.ie3 cxd5?! This only makes Black's position worse. 1 6.'Wxd5 ctJb4 17.'Wd2± White's advantage was obvious in Uhlmann - Calvo Minguez, Madrid 1 973. 9.Wfb3! A very annoying move that creates tricks on the long white diagonal. 9 ...ixB White's tactical threats force Black into a long-term positional concession. The problem is that 9 ...'WcS runs i nto the sneaky 1 0.ctJxe5! dxe5 I l .d6±, with a big advantage. 1 O.ixB b6 1 1.0-0 The absence of Black's light-squared bishop and his general passivity makes White's position easy to play. For example: 1 1 ...Wfc8 1 2.ig2 etJbd7 1 3.Wfc2 a5 14.�bl lLlc5 1 5.b3

17.b4N axb4 1 8.axb4 CDa6 1 9.1Llb5± White obviously has the upper hand. B) 3...e6 This line is definitely Black's main choice.

4.g3 ib4t If 4 ... d5 5 .ig2 dxc4 then play would transpose to the Catalan, so you can find this position covered in the first Volume. 5.id2 ixd2t 5 ...'We7 6.ctJc3 transposes to the Bogo Indian variation (see Chapter 4, page 45). 6.Wfxd2 d6 This is a new position for us, since in the Bogo-Indian with 3 ... ib4t followed by ... ixd2, we always have the option of playing e2-e4 quickly, because against the Bogo we delay the development of our kingside knight.

576

Minor Systems

7.lLlc3 0-0 8J�dl! A very important moment. After S.�g2 Black has a decent variation available in S ... e5 9.0-0 �g4 with complicated play, while instead the text move causes Black problems. The main point is that White temporarily stops ... e6-e5, and all Black's moves that prepare ...e6-e5 have drawbacks. 8 a6 With the text move Black intends to play on the wing. We will also examine a couple of other options, where Black prepares ... e6-e5. ...

S ...'lWe7 9.�g2 e5 1 0.ctJd5! The key move in this line, which forces a favourable change of pawn structure after: 1 0 ... ctJxd5 I l .cxd5 ctJxd4 1 2.ctJxd4 exd4 1 3.'lWxd4 �d7 Another example is Komarov - Martinovic, Vrnjacka Banja 1 999, which continued: 1 3 ... a5 1 4.l'!d2 �d7 1 5.0-0 l'!fcS 1 6.l'!c1 a4 1 7.l'!dc2± Thanks to the permanent weakness of the c-pawn, White obtained a clear advantage. 1 4 .l'!d2 A necessary prophylactic move. 1 4 ... l'!fdS 1 5.0-0 a5

White should follow up with l'!dc2 with a clear superiority; the pressure along the c-file is obvious and strong. S ...�d7 9.�g2 e5 1 0.dxe5 dxe5 1 1 .0-0 Black has managed to carry out ... e6-e5, but his pieces lack coordination; in the following encounter he faced serious problems. 1 1 . ..�e6 1 2.'lWe3! 'lWcs Black cannot play 1 2 ... ctJd7? in view of 1 3.ctJg5 �xc4 1 4.l'!xd7 'lWxd7 1 5.'lWe4+-. 1 3.ctJd5 Also 1 3.ctJxe5 ctJxe5 1 4.'lWxe5 �xc4 1 5.'lWf4 �e6 1 6.e4 c6 1 7.e5 ctJd7 I S.l'!d6± leads to an advantage for White. 1 3 ... ctJg4 1 4.'lWc5 White was much better in De Lange - Safvat, Siegen (01) 1 970.

9.i.g2 l'!b8 Black intends to carry our the ... b7-b5 advance.

a b c d

a

b

c

d

e

f

g

h

This is Komarov - Skembris, Bolzano 1 995, and now White played the most natural continuation: 1 6.l"kl

e

f

g

h

1 0.dSN In my oplOlOn this is the most natural reaction to Black's idea. Instead Black easily solved his problems after 1 0.0-0 b5 l 1 .cxb5 axb5 1 2.E!fe l b4 1 3.ctJa4 �d7 in Tregubov Meier, Merida 2007.

Chapter 3 5 - Black Knights Tango Another option is l O ... lLle7. Then I like the following positional idea: 1 1 .lLld4 e5 1 2.lLlc2 b5 1 3.cxb5 axb5 1 4.lLlb4!± Black did not achieve much by carrying out the ... b7-b5 advance, as White has dear targets on the queenside.

1 l.dxe6! A well-timed change of pawn structure. I l...�xe6 The point of the previous move is that White is better after 1 1 ...fXe6 1 2.c5! lLlc4 1 3:��!fcl±. I 2.b3 b5 Otherwise White simply has a favourable pawn structure. 13.llJd5 llJc6 I4.llJg5 hd5 I 5.ad5 lLle5

a b c d

e

f

g

h

I 6.0-0� Once again we have managed to achieve a favourable pawn structure with Black's c7pawn a long-term target.

577

Conclusion: The Black Knights Tango is not a ridiculous line, but White can keep an edge with accurate play. Best of all, White can play in our standard repertoire style with a kingside fianchetto, so the reader should feel at home in the resulting positions. It is also worth remembering that the Tango can, at various points, transpose to the Catalan or Bogo-Indian.

Minor Systems a

b

c

e

d

f

g

Old Indian Variation Index l.d4 ltJf6 2.c4 d6 3.ltJa ltJbd7 4.ltJc3 e5 5.g3 ie7 6.ig2 0-0 7.0-0 A) 7 .. J�e8 B) 7...exd4 C) 7... c6 8.e4 ge8 9.h3 a6 1 0.a4! a5 l 1 .ie3 Cl) l l ...ifS C2) 1 l ... exd4

A)

note to

CI)

1 3 . . . tiJb6

note to

579 581 583 584 586

C2)

l S ... ig7

note to

14 .. Wc7 .

8 7 6

4 3 2

a

b

c

d

e

f

I B.Wb3!N

g

h

a

b

c

d

e

f

1 6. tiJh21?N

g

h

a

b

c

d

e

f

1 4.igS!N

g

h

h

579

Chapter 36 - Old I ndian The Old Indian Defence looks like a poor man's King's Indian Defence; instead of developing the dark-squared bishop to g7, it goes to e7. Bent Larsen used to play this line regularly and with some success, but in general Black is worse in this system, as the bishop is too passive on e7. This is illustrated by the fact that Black often plays the bishop to f8 and later plays ".g6 and " .�g7. As with almost all the other openings, I am recommending a system for White that involves a kingside fianchetto. As ever, this causes Black a lot of problems.

l .d4 ctJf6 2.c4 d6 3.ctJf3 I selected this move order for a couple of reasons. Firstly, because Black can simply force this via another move order ( 1 .d4 d6 2.CtJf3 CtJf6 3.c4 CtJbd7 4.CtJc3) . Secondly, I recommend avoiding 3.CtJc3 e5 4.CtJf3 e4 5.CtJg5 1Mfe7!?, which has recently brought Black very decent results. 3 ... ctJbd7 4.ctJc3 e5 This line is heading for the Old Indian Defence, which is indeed quite similar to the new-fangled King's Indian Defence, with one big difference - the destination of Black's dark squared bishop. 5.g3 This is my favoured move in this line, which stems from the fact that Black still has the option of switching to the King's Indian Defence. For example, after the most popular move, 5.e4, Black can choose 5".g6 transposing to the Classical line of the King's Indian with ".CtJbd7, which is not part of my repertoire. 5 ...ie7 If 5" .g6 then we are heading for the King's Indian part of our repertoire, which is of course examined in a different chapter. 6.ig2 0-0 7.0-0

a b c d

e

f

g

h

This is the initial position of the whole vananon. There are many possible moves, but as we cannot cover everything, we will have to decide what is important and what is not. I decided to concentrate on three main possibilities: A) 7 ... �e8, B) 7 ... exd4 and C) 7...c6.

A) 7 ... �e8 8.e4 White very often opts for 8.1Mfc2 but I believe the following sequence is quite playable for Black: 8".�f8 9.1"\d1 c6 1 O.e4 1Mfc7 1 1 .h3 b5!

8 ...if8 Black's first choice; another option is 8".c6, which we will consider in line C under the 7".c6 move order. 9.h3 c6 10.ie3 a6 The only decent plan for Black, as releasing the tension in the centre favours White: 10".exd4 1 1 .CtJxd4 CtJc5 12.1Mfc2 a5 1 3.1"\ad1 We have reached a position that will be examined in line B, using the 7".exd4 move order. 1 1 .d5!? I want to show this additional idea for White, although the thematic 1 1 .a4 was also possible and would eventually transpose to one of the lines considered below.

580

M inor Systems

1 1...cx:d5 Instead 1 1 ...ttJc5? is j ust a blunder in view of 1 2.dxc6 bxc6 1 3.i.xc5 dxc5 1 4.'lWxdS ElxdS 1 5.ttJxe5 winning a pawn. 1 2.cx:d5 h5 1 3.liJd2 An optimal set-up for White's minor pieces. White enjoys a serious space advantage, thanks to his d5-pawn. His play on the queenside is quite easy to carry out and in general his chances are favourable. To get a feel for how to play the position we should have a look at several examples:

1 7.ttJc4! i.d7 l S.ttJb6 ElbS 1 9.ttJxd7 'IWxd7 So far we have been following Ftacnik Hausner, Marianske Lazne 1 975. Now White should have opted for the exchange of queens and a pleasant ending: 20.W'xa4 W'xa4 2 1 .Elxa4 ElecS 22.Elel Elxel t 23.i.xel ttJeS 24.i.d2 ttJc7 25.i.f1 ElaS 26.i.d3± It would be very hard for Black to hold this position. 1 3 ...'lWc7 1 4.'lWe2 i.e7 1 5.Elfe l 'lWbS This was played in Vukic - Zapata, Zenica 1 9S6. Instead of the usual thematic idea of 1 6.b4 followed by 1 7.a4, I like another plan: 1 6.a3N ttJb6

7

6 5

4 2 a

1 3 ... g6 1 4.b4 White is ready to play a2-a4 next. 1 4 ... ttJb6 1 5.a4 ttJxa4 1 6.ttJxa4 bxa4

a

b

c

d

e

f

g

h

b

c

d

e

f

g

h

1 7.ttJa2! The knight is heading for glory on c6. 17 ... i.d7 I S .lLl b4 'IWb7 1 9.ttJc6 ElacS 20.ttJa5 'lWbS 2 1 .b3± White is obviously better. 1 3 ...i.e7 This move is in the spirit of this variation; Black intends to transfer his dark-squared bishop to the dS-a5 diagonal, but White is very fast on the queenside. 1 4.b4 ttJb6 1 5.a4 The same thematic play as we have seen before. 1 5 ... bxa4 1 6.ttJxa4 ttJxa4 1 7.'lWxa4 i.d7

Chapter 36 - Old Indian

58 1

with the b-pawn, followed by c3-c4 when Black is going to lose his a-pawn.

1 9...l'!e7 20.J.f1 l'!ee7 This position was reached in Schroll - Appel, Germany 1 998, and now White could have achieved an advantage by simple means:

a

b

c

d

e

f

g

h

Thus far we have been following the game A. Petrosian - Gulko, Soviet Union 1 984. Here I think I have found an improvement on White's play with: 1 8.'lMrb3!N ib5 1 9.1'!fc l l'!c8 20.ifl ! Black seems to find it hard to equalize, for instance: 20 ...'lMrd7 2 1 .ixb5 axb5 Or Black could try: 2 1 ...'lMrxb5 22.l'!xc8 l'!xc8 23. g2 l'!b8 (the endgame after 23 ... ttJd7 24.'lMra4 'lMrxa4 25.l'!xa4 ttJb8 26.ia7! is difficult for Black) 24.'lMral h6 25.'lMrxa6 'lMrxa6 26.l'!xa6 l'!xb4 27.l'!a8t! h 7 28.l'!a7 if8 29.f3 After massive complications, Black's position is rather difficult. White has a clear target in Black's d6-pawn. 22.g2 h6 23.'lMrd3± White is clearly better, due to the weakness of Black's b5-pawn.

2 1.�aS �d7 22.LbS! axbS 23.l'!xe7 l'!xe7 24. c;f; g2 Next, White is going to attack the b5-pawn (with 'lMrb4, l'!a5 and ttJ b l -c3) while Black's counterplay, if it exists, is well hidden. B) 7...exd4 8.ttJxd4 The most natural recapture, but 8 .'lMrxd4!? is also worthy of consideration. Let's see one example: 8 ... l'!e8 9.b3 if8 1 0.ib2 a5 1 1 .l'!fd l 'lMre7 1 2.ttJel ttJc5 13.ttJd3 ttJe6 1 4.'lMre3 c6 1 5.ttJa4! White had a nice edge in Gabancho Galarce, Buenos Aires 2004.

14.a4! With the knight on b6 as a target, White can immediately launch his a-pawn. 1 4...bxa4 The main point is 1 4 ... b4 is met strongly with 1 5.a5! ttJbd7 1 6.ttJa4 with a clear advantage. l S.ttJxa4 ttJxa4 1 6.'lMrxa4 J.d7 17.'lMra3 J.bS 1 8.l'!fd l'!e8 1 9.1'!c3! A neat positional idea. White creates pressure along the c-file, while capturing on c3 is clearly i nferior for Black, as White would recapture

I did not find much point in the aggressive looking: 8 . . . ttJe5 White simply continues his normal development, while Black remains passive.

582

Minor Systems

9.b3 c6 1 0.!b2 �e8 I l .Wd2 !d7 1 2.h3 White slowly prepares f2-f4, chasing Black's knight from the centre. 1 2 ...Wc8 1 3 .�h2 !d8 1 4.LtJc2 Attacking the d6-pawn and thus not allowing Black to activate with ideas such as ...!a5. 1 4 ... !c7 This was J. Walker - M . Spiegel, Seattle 1 974. And now I recommend a natural looking novelty: 1 5.f4N LtJg6 1 6.e4 h5 1 7.�ad l ± White has a serious advantage. 8 . . . LtJb6 9.Wb3 Not only defending the c4-pawn, but also preventing the idea of ... d6-d5. Although in fact Black would be far from equalizing even after carrying out . . . d6-d5, as we shall see in the line below. After 9.b3 d5N (if 9 ... c6 1 0.e4 Black should ask himself what his knight is doing on b6, as he can hardly hope to play . . . d6-d5, as in this case White would favourably change the central structure with cxd5 . . . cxd5, e4e5) 1 0.cxd5 LtJfxd5 I l .LtJxd5 LtJxd5 1 2.!b2 White retains a strong advantage after either 1 2 ... cS 1 3.e4 LtJb4 1 4.LtJf5! or 1 2 . . .!f6 1 3.�c1 �e8 1 4.Wd2 followed by 1 5.e4. 9 ... c5 1 0.LtJc2 !e6 Maybe trickier would be 1 0 ... LtJg4, nevertheless after 1 1 .!f4 !e6 1 2.LtJa3 White would enjoy a pleasant advantage. I l .LtJe3 �b8 1 2.a4 Wc8 1 3.�d l ± I n Villegas - Garcia Balado, Argentina 1 936, Black did not gain any counterplay in return for his weakened d5-square and misplaced knight on b6.

9.Wc2 Now White can vary his set-up, although there is certainly nothing wrong with 9.e4. 9 ...ifS 9 . . . LtJe5 does not bring Black any dividends after 1 0.b3.

1 O.e4 c6 1 1.h3 An essential move that prepares !e3.

8 :i_j,J� :i m.� 7 •% r.i).i�.; ��n� �r//.( "" %� 6 � m � ' w� , � ;�, ;;� � � . ", % %"

••

� : ·.!m!� � �%. , / ;j'l . . �w.' � � 0 _ w� o /,

...

. % C''d�' ' %�

%� ��r�;..;�

;�

A

,;� 2 8 w �"iV_ w�� . ' � .� 1 �� k � M � 3

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1 1 . .. a5 The attempt to free himself with a ... d6-d5 break falls short: 1 L" LtJb6 1 2.b3 d5 This was played in Bannik - Pogrebissky, Kiev 1 959, and now White had a strong possibility: 1 3.exd5!N cxd5 1 4.�d l ! a6 (Black cannot play 14 ... dxc4 in view of 1 5 .LtJc6!) 1 5 .LtJxd5 LtJbxd5 1 6.cxd5 LtJxd5 1 7,!b2± White's bishops dominate the board. 1 2.ie3 lLlc5 1 3.�adl White is already threatening a small combination with 14.LtJxc6 followed by 1 5.!xc5. 13 ...Wb6 If 1 3 . . .Wc7 then 1 4,b3! and White enjoys a space advantage, while Black has no counterplay on the queenside. 14.b3 I like this positional approach more than: 1 4.LtJb3 LtJfd7 1 5.LtJxc5 LtJxcS 1 6.LtJa4 Wa6 1 7. LtJxc5 dxc5 1 8.a4 (better was 1 8. f4 !e6 1 9.b3 a4 20.f5 axb3 2 1 .axb3 !c8 as in this case White keeps some advantage, but Black also has some play on the queenside, thanks to the open a-file) 1 8 . . .!e6 1 9.b3 b5! Black

Chapter 36 - Old Indian had reasonable counterplay on the queenside in Pyhala - Valkesalmi, Lahti 1 985.

14 a4 15J:;b 1 ! A well-timed switch to the queenside.

583

20...c5 20 ... ltJf6 does not help as White can play 2 l .ltJe6!± .

..•

1 5 axb3 1 6.axb3 V!1b4?! This was played in Jobava - Galego, Warsaw 2005, but it is inaccurate due to a clever trick. •..

Black should be satisfied with the passive 1 6 ...V!1c7 even though in this case White enjoys a very pleasant game after 1 7.b4 ltJe6 I B .ltJb3. Now, as pointed out by Bruzon in Informant 94, White overlooked a very nice idea:

8 7 6 5 4 3 2 1

2 1.i.xe4 l3xe4 Or if2 1 .. .cxd4 then 22.i.xd4 V!1c7 23.i.xh7t with a clear edge. 22.V!1xe4 cxd4 23.i.xd4 White has a winning position. C) 7...c6

8 � �..te �� .m 7 , l.ii;w§f'iy.trr 6 ' ' '�� f.' '�.' ' ' � � H _ " � �� 5� � '� �. 4 � ! � %% lZJw�,�� 3 � ",�,/J" "!i_ 2 . 8H' 8dj£� ' ' ;_ W%."""�' i{ ""% ""0"" "�'0 �� i1imM � a b c d f h �

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17.V!1d2! The threat of I B.ltJc2 followed by 1 9.b4 is very unpleasant. 1 7 V!1b6 17 . . . ltJa6 I B.l3a l ! does not bring relief either. •••

1 8.b4! This is the point of Bruzon's idea. 1 8 ... tDcxe4 1 9.tDxe4 tDxe4 20.'lWd3! Black cannot avoid losing material.

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In this line Black avoids (or at least delays) exchanging on d4, which is a logical approach. Instead, releasing the tension (as in the line we have j ust seen) is a concession that significantly eases White's task.

8.e4 Now the main line is: 8... l3e8 Other popular alternatives are: B ...V!1c7 Here we react in the same way as in the main line: 9.h3 a6 1 0.a4! a5 1 l .i.e3 And eventually, after 1 1 . ..exd4 1 2.ltJxd4 l3eB 1 3 .V!1c2 and so on, we are heading towards the same position as in the main line.

Minor Systems

584

S ... a6 Again I consider White's best idea is to prevent the ... b7-b5 advance by radical means: 9.a4 (Instead 9.h3 b5 1 0.c5 �b7! leads to a position that slightly resembles a Meran variation of the Semi-Slav Defence, especially Black's set-up. The position is very complicated and I did not manage to find any advantage for White.) 9 ... a5 1 0.h3 :B:eS 1 1 .�e3 exd4 1 2.ttJxd4 And we reach a position from our main line (line C2).

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1 1 ..ie3 At this point Black has two main options, Cl) l 1.. ..ifB and C2) 1 1...exd4. Cl) l 1.. ..ifB In this line Black keeps the tension in the centre, at least for the moment.

9.h3 a6

8 7 6 5 4 3 2 1

positional trumps (such as a grip on the b4square), but White's space advantage is still more significant.

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1 0.a4! In my opinion this is the best continuation, stopping Black's counterplay connected with the ... b7-b5 advance. In order to gain a better understanding of the nuances of this line, I would like to show why I was not satisfied with other options: 1 0.d5 cxd5 1 1 .cxd5 b5 White cannot reach his optimal set-up (with �e3 and ttJd2) as Black is already threatening 12 ... b4 attacking the e4pawn. 1 O.�e3 b5 1 1 .c5 �b7 again leads to a rather double-edged position.

lO ... aS An obvious reaction; Black gains some

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12.'&c2 Meanwhile White continues with useful moves and normal development. There is no point in changing the character of the game with 1 2.d5 as after 1 2 ...Wc7 Black has reasonable play. 1 2 ...'&c7 Obviously 1 2 ... exd4 1 3.ttJxd4 transpose to our main line.

would

1 3J!adl g6 Again 1 3 ... exd4 14.ttJxd4 ttJc5 is another path to the main destination. 14J'Uel I nstead 1 4.c5 is not so dangerous for Black: 1 4 ... dxc5 1 5.dxe5 ttJxe5 1 6.ttJxe5 Wxe5

Chapter 36 - Old I ndian And White cannot play 1 7.f4? In view of 1 7 ... Wh5!.

14... exd4 Black takes on d4 now in order to avoid specific problems with his other options. Thus it is very important that White is familiar with the following lines where Black attempts to maintain the tension: 1 4 ... �g7 Now it is time to strike with: 1 5.c5! dxc5 Even worse is 1 5 ...exd4 1 6.cxd6 Wxd6 1 7.�xd4± followed by l S.e5. 1 6.dxe5 1Oxe5 1 7.lOxe5 Wxe5 I S.f4 Wc7 This time I S ... Wh5 is met strongly by 1 9.e5 lOd7 20.g4 Wh4 2 1 .1Oe4 with an obvious advantage. 1 9.�xc5 �e6 20.e5 20.�f2!? also deserves serious attention. 20 ... lOd5 2 1 .1Oe4 �edS 22.Wf2± White had a clear advantage in Leontiev Aleksikov, Moscow 1 996 1 4 ... b6 1 5.d5! After Black has moved his b-pawn this move is much stronger, because the c6- or b5squares will be weakened. 1 5 ...�b7 Or: 1 5 ... cxd5 1 6.cxd5 �a6 1 7.lOd2 �ecS I S.�fl and White has a significant positional advantage on the queenside, due to the weakness of Black's light squares. 1 6.dxc6 �xc6 1 7.lOd2 1Oc5 I S.lOdb 1 ! The knight i s heading for the b5-square via a3; White undoubtedly has a positional edge.

1 s.hd4!? This recapture is very interesting for White. If instead 1 5.lOxd4 lOc5 then Black has a slightly favourable version of the main line. 1 S ...i.g7

585

Black has also tried 1 5 ... b6. Now I like 1 6.lOh2!?N with the idea of preparing the f2f4 advance. (In Matamoros Franco - Hick!, Seville 2006, White decided to regroup with 1 6.�e3 and after 1 6 ...�a6 1 7.b3 b5 l S.axb5 cxb5 1 9.cxb5 �xb5 20.lOd4 �a6 2 1 .Wd2 White gained the upper hand. Still, Black should have more reliable moves than 16 ...�a6.) 16 ... �b7 1 7.f4 �g7 l S.g4 White slowly builds his activity on the kingside, while Black finds it hard to create any reasonable counterplay.

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1 6.ctJh2! ctJf8 This looks passive, but even after 1 6 ... lOc5 1 7.f4 lOfd7 l S.�xg7 �xg7 1 9.1Ofl lOb6 20.lOe3 �e6 2 1 .b3± White is firmly in control. 17.f4 ctJe6 1 8.i.f2 ctJd7 1 9.ctJf3 ctJecS 20.i.d4 i.f8 White also has pressure after 20 ...�xd4t 2 1 .�xd4 lO f6 22.�ed 1 ! . 2 1 .�h2 White's position is preferable. He can slowly generate an offensive on the kings ide, while Black lacks any activity, Miezis - Heinig, Dresden 200S. C2) 1 l ... exd4

586

Minor Systems

Black's most popular continuation, clarifying the situation in the centre immediately rather than maintaining the tension as in the previous line.

12.e7 1 5.0-0 ElheS 1 6.Elc2t) 1 1 .'Llxc7 ElacS 1 2.'Llb5 'Lle4! and it looks like Black has interesting compensation for the sacrificed pawn. An approximate line runs 1 3.0-0 a6 1 4.'Lla3 �xa3 1 5.bxa3 Elc2 1 6.Ele 1 'Lldf6 with plenty of activity. 9 ... 0-0 1 0.0-0 Now Black's queen blocks what would have been a potential destination square for the bS-knight, while also being a target for a knight j ump to e5. 1 0 ... 'Lla6 Clearly inferior is 1 0 ... c5?! 1 1 .dxc5 �xc5 (if 1 1 ...bxc5 1 2.'Lle5! Black loses a pawn) 1 2.Eld1 and Black has quite a poor version of the I QP position.

Chapter 37 - Queen's I ndian Attempt l l .ttJe5 Wie6 12.ig5 EladS I also examined 1 2 ... c5 1 3.ixf6! gxf6 (This is forced; 1 3 ...ixf6 1 4.ttJxd5 ixe5 1 5 .dxe5 is clearly favourable for White, as the e5-pawn is untouchable: 1 5 ...Wixe5? 1 6.ttJf6t Wixf6 1 7.ixb7+-) 1 4.ttJf3 Although the black position is playable, the damaged kingside structure should enable White to count on a long-term edge. 1 3.ttJd3 c6 After 1 3 ... h6 1 4.ttJf4! Wid6 1 5.ixf6 ixf6 1 6.ttJcxd5 ixd4 1 7.Elad l ± Black is under serious pressure. 1 4.a4!? A very interesting idea, intending to attack Black's pawn formation on the queenside. 14 ... h6 1 5.ixf6 Wixf6 1 6.e3 id6 1 7.a5 b5 I S.Elfe l White has a pleasant positional edge, Mitenkov - Dragomarezkij, Moscow 1 99 1 .

9.ltJe5! It is important to be precise with the move order. In case of the natural 9.0-0 Black has the extra option of9 ... ttJbd7. 9 ...0-0 After 9 ... ttJfd7 1 0.ttJd3 0-0 1 l .0-0 we reach the position from our main line. 1 0.0-0

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591

The point of White's opening strategy has been to hinder the development of the bS knight. Black must now decide how to solve that problem.

10... ltJfd7 The alternatives are: 10 ... b5 is hardly an ideal solution. Now Black can hardly hope to achieve the thematic ... c6c5 advance, and his light-squared bishop looks destined to remain passive for quite some time. 1 l .Wic2 Wib6 1 2.Eld l EldS was seen in the game Urban - Delander, Berlin 1 993.

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Now I like the simple 1 3.e4N with the following approximate line: 1 3 ... ttJa6 14.ie3 ttJb4 1 5.Wib3 a5 1 6.a4 bxa4 1 7.ttJxa4 Wic7 I S.Elae l with definite positional pressure. 1 0 ... a5 l l .if4 b5 1 2.Wic2 Wib6 was tried in Cvitan - Vucinic, Novi Sad 1 9S5. Now instead of the slow 1 3 .Elad 1 , I suggest the more natural 1 3 .e4!. I examined the following line: 1 3 ... ttJa6 1 4.exd5 cxd5 (If 1 4 ... ttJb4 1 5 .Wie2 ttJbxd5 1 6.ixd5 cxd5 1 7.Wixb5 White keeps a healthy extra pawn) 1 5.Wid3 ttJc7 1 6.Elfe 1 and White has serious positional pressure.

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1 1 .ltJd3 ltJa6 This position has occurred a few times in tournament practice, but White somehow refrained from the following natural move: h

592

Minor Systems

1 2.e4!N Breaking open the centre is the best way to fight for the initiative. 12 ... dxe4 13.lDxe4 lDc7 The knight is heading for d5, easing the pressure along the h I -a8 diagonal. Nevertheless White's position remains preferable after: 1 4J�e1

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1 4.. J'ge8 If I 4 . . . lLJd5 White maintains the initiative by means of I 5.lLJc3 lLJ7f6 I 6.lLJe5 �d6 I 7.id2. lS.tLlc3 Black is under some pressure, for instance: l S ... tLldS 1 6.tLlxdS cxdS 1 8J�ac1� With a pleasant edge.

17.if4

tLlf6

Conclusion: The set-up with 3 ... b6 is rarely seen at high levels, but it generally leads to quite solid positions for Black. That is why I was attracted to the slightly unusual 8.�a4t!?, which takes Black away from his usual comfort zone and i mmediately poses concrete problems for the defence. After inducing the defensive move ... c6, the plan of breaking open the centre with e4 seems quite appealing. Obviously Black's set-up cannot be refuted, but White can certainly obtain a pleasant position with good chances for an ongoing initiative.

8 7 6 5 4

Minor Systems

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Odd Ideas Variation Index l.d4 594 596 597 599

A) 1 ...e5?! B) 1 ...tlJc6 2.d5 tlJe5 3.e4 e6 4.£4 tlJg6 5.dxe6 B l) 5 ...fxe6 B2) 5 ...dxe6

B l ) after 8 . . . tLlh4

A) after 1 1 ... tLlh6

� �"� .t. � i. 'i" ��'.li� .� i�;I;i?" �i�i . . '�i\� ;I;� 'rl1 6 .. � ��m 5 �� . '� '.....� �� 3 � . . ' . � � �?Ji."�?Ji" . 2 � t::, � � � t::,Z{� t::, � t::, � �.''''?0' ';''. ' '' l � � �.t � H

B2) 1 4 ... tLlf5

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1 5 J':lhd l !N

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Minor Systems

594

In trus chapter we shall look at two odd ideas in reply to our favourite pawn push.

l .d4 Our lines in this chapter are A) 1 ...eS?! and B) 1 ... 1lJc6. A) 1 ...eS?!

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7

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5.g3 d5 Or 5 ... �c5 6.�g2 d6 7.0-0 �f5 8 .'D c3 (8.c3 followed by 9.'Dd4 is also a nice idea) 8 ...\Wd7 as in Umansky - Walter, Augsburg 200 1 . Now in the game White was better after 9.'Da4, but I believe even stronger would be 9.�g5N with the idea of capturing the knight followed by 'Dd5. 9 ...'De4 (horrible for Black would be 9 ... 0-0-0 1 0.�xf6 gxf6 1 1 .'Dd5 and White will easily create a queenside attack with c3, b4, a4 and so on) 1 0.'Da4 �b6 1 1 .�f4 With the idea 1 1 ...0-0 1 2.'Dxb6 axb6 1 3.'Dh4! with a huge advantage, as Black has to give up his second bishop. 6.�g2 �c5 7.0-0 0-0

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This seems to me the worst possible reply to White's first move. I am sure you will not be surprised to learn that White accepts the sacrifice.

2.dxeS llJc6 3.11Jf3 We7 This is Black's main idea: he either hopes to regain the pawn, or to j ump with his queen to b4 in search of tricks. 3 .. .f6 I cannot take this gambit seriously either. White is a pawn up for absolutely nothing. 4.exf6 Also worthy of consideration is 4.e4 with the idea 4 ... fxe5 5 .�c4 'Df6 6.'Dg5, but I definitely prefer to play with a healthy extra pawn. 4 ... 'Dxf6 Many set-ups are possible and Black's compensation is really questionable. I worked out the following arrangement for White:

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8 .�g5 �e6 9.'Dc3 a6 Obviously this is a very slow move, but even after the best line 9 ... h6 1 0.�xf6 :gxf6 1 1 .'De1 ! �d4 1 2.'Dd3 �xc3 1 3.bxc3 White's advantage is undisputable. 1 0.'De1 'De7 1 1 .'Dd3 �d6 1 2.�xf6 :gxf6 1 3.e4 White had a decisive advantage in Kludacz Savary, Rennes 2008.

4.Af4 One approach for White would be to guess that you will face this line once in your life, and decide to play something like 4.'Dc3 'Dxe5 5.e4, or 4.g3 'Dxe5 5.�g2, developing normally, while Black's queen is obviously

595

Chapter 3 S - Odd ideas misplaced on e7. But when working on this book I fel t Black's dubious opening deserves to be refuted, which is why I decided to develop a line based on the principled 4.�f4. Another quite promising idea is 4.�d5 f6 5.exf6 ltJxf6 6.�b3. White seems to be a pawn up.

4.. .'.Wb4t The point of Black's 3rd move. Instead Black has absolutely no compensation after 4 ... f6 5.exf6 �xf6 6.�c1 . After 6 ... d5, as played in Solozhenkin - Bocchicchio, Montecatini Terme 1 999, White could easily have accepted the second pawn: 7.�xc7 �f5 S.c3 with an enormous advantage. 5.i1.d2 �xb2

This is the moment Black has been waiting for. However, we are not going to walk into the trap.

6.liJc3! There is a famous childish trick: 6.�c3?? �b4 7.�d2? �xc3 S.�xc3 �c1 mate! 6 .i1.b4 The only more or less playable continuation. Other options are j ust bad: ..

6 ... a6 7J::l b 1 �a3 S.ltJd5 i>dS 9.e4 with a huge advantage for White. 6 ... ltJb4 7.ltJd4 c6 (If7 ... c5 S.E:b 1 �a3 9.ltJdb5 then Black's position is hopeless: 9 ... �a5 l O.a3 ltJa6 1 1 .ltJe4 Followed by a check on d6.) S.E:b 1 �a3 9.E:b3 �a5 1 0.a3 ltJd5 1 1 .ltJf5!N Black can hardly survive for long. For example, l l .. .ltJxc3 1 2.�xc3 �dS 1 3 .e4 with complete domination.

7.E:b l Wfa3 8.cll d5 Out of all the promising continuations the text seems to me the most accurate. 8 i1.a5 The alternative is: S ...�xd2t 9.�xd2 �xa2 1 0.E:d1 i>dS After 1 0 ... i>fS 1 1 .ltJxc7 E:bS 1 2.ltJb5 Black has no extra material to compensate for his suffering. 1 1 .ltJg5 ltJh6 •..

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1 2.e6! A nice tactical trick, although even after the modest 1 2.f4 White's compensation for the pawn would be more than sufficient. 1 2 ... d6N Obviously the only move. Strangely enough, in both games that reached this position Black lost in the same way: 1 2 ... �a5? 1 3 .e7t! i>eS 1 4.�xa5 ltJxa5 1 5.ltJxc7t �xe7 1 6.ltJxa8 and White wins.

Minor Systems

596

I 3.exf7 I 3.e7t is not entirely clear, as Black calmly continues: I 3 .. .';i;>d7 ( l 3 ... 'Llxe7 loses to I 4.'Llxc7) I 4.g3 "Wa5 I 5 ..ih3t f5! I 3 ... E1f8 I 4.'Llxc7! The decisive blow. I 4 ... �xc7 I 5."Wxd6t �b6 I 6.'Lle4! The point. I 6."WxfS? leads to a perpetual after I 6 . . . "Wa5t I7.E1d2 "Wal t. 1 6 ..."Wxc2 I 6 ....if5 loses on the spot to 1 7.'Llc3 "Wxc2 l S .'Lld5t. 1 7.'Lld2 E1xf7 1 8.E1b 1 t "Wxb 1 t I 9.'Llxb 1 White has a decisive advantage.

9.l:!b5 ixd.2t 9 ... a6? is j ust a blunder, but was still played in Koenig - Neumann, Heroldsbach 1 997. White decided the issue immediately with 1 0.E1xa5! 'Llxa5 1 1 .'Llxc7t. 1 0."Wxd.2 �d8 1 1.tLlg5 The modest 1 1 .c3 also deserves attention: 1 1 ...'Llge7 1 2.e4 'Llxd5 1 3.E1xd5 �e7 I 4.'Lld4 'Llxd4 1 5.cxd4 With a clear advantage, as in Luzuriaga - Valverde Lopez, e-mail 2002. 1 1...tLlh6 Now I believe White should continue with:

8 7 6 5 4 3 2 1

This is a slight improvement over 1 2.e4 'Llxe5 I 3 .E1b3 "Wd6 I 4.f4 'Llc6, as in Hartwich - Grott, e-mail 1 999, where White also gained a clear advantage.

1 2...a6 Or I 2 ... E1e8 I 3.e3 "Wxa2 1 4 . .ie2 with a big advantage. 1 3.l:!h3 Wxa2 14.ltJc3 Walt 1 5.l:!hl Wa5 16.e3 Despite being a pawn up, Black's position is close to losing, as the following line illustrates: 16 ... l:!e8 17.ic4 'Llxe5 1 8.fxe5 Wxe5 1 9.ixf'7! Wxg5 20.ixe8 �xe8 2 1 .ctJd5 We5 22.0-0 White wins. B) 1 ...tLlc6 This move is very seldom seen at GM level, although of course there was a Kramnik Short game at the Dresden Olympiad. White has a pleasant choice between the main move 2.d5, or 2.'Llf3 transposing to the Chigorin Defence. Also 2.c4 e5 3.d5 is a decent way of fighting for an advantage.

2.d5 This is undoubtedly the most principled con tinuation. 2 ... ctJe5 3.e4 It is like watching the Alekhine Defence in a mirror. 3 ... e6 In my OpllllOn this is the only playable independent line.

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3 ... 'Llg6 is an acceptable move order as after 4.f4 both 4 ... e5 and 4 ... e6 would transpose to our main line after 5.dxe6.

597

Chapter 3 8 - Odd ideas 3 ... d6 This seems very passive to me. 4.f4 ltJg6 5.ltJf3 e5 6.dxe6 Less clear is 6.f5 ltJ6e7 and Black has the idea of undermining White's centre from both flanks by means of ...g7-g6 and ... c7-c6. 6 ... fxe6 7.�d3 Black has serious difficulties with developing his kingside. 7 ... ltJf6 I also investigated 7 ... e5 when Black's position is very difficult after 8.f5 ltJ6e7 9.0-0 ltJf6 1 0.ltJc3. Now I worked out the following line: 1 0 ... ltJc6 1 l .ltJg5! h6 1 2.ltJe6 �xe6 1 3.fxe6 White's advantage is probably decisive, as ltJd5 is coming with devastating effect, while 1 3 ...�e7 loses immediately to 14.1hf6 followed by 'IWh5.

8.e5!N This natural advance seems much stronger than 8.0-0 c6 9.<j;l h l as in Skodvin Wrangell, Norway 1 99 1 . 8 ... ltJd5 8 ... dxe5 does not bring Black much relief: 9.fxe5 (less clear is 9.�xg6t hxg6 1 O.'Wxd8t <j;lxd8 l l .ltJxe5 1'%h5 1 2.ltJxg6 �d6 and Black has some compensation for his missing pawn) 9 ... ltJg4 1 O.'We2 'Wd5 1 l .�xg6t hxg6 1 2.�d2 Followed by ltJc3 and 0-0-0; Black's position looks very dangerous. 9.�xg6t hxg6 1 0.'Wd3 White is clearly better.

4.£4 Again this is the most principled decision. The difference with the immediate 4.dxe6 is that after 4 ... fxe6 5.f4 Black's knight is not obliged to go to g6 and can step back to the more flexible f7-square. 4. lLlg6 Only move. 4 ...�c5? loses simply to: 5.dxe6 �xgl (the point is that Black cannot recapture with the f-pawn: 5 ... fxe6 6.'Wh5t) 6.1'%xgl ltJc6 7.exf7t <j;lxf7 8.�c4t+- Hulak - Mestrovic, Yugoslavia 1 983. ..

5.dxe6

Bl) 5 ... fxe6 6.ftJf3 .ic5 After 6 ... d6 7.�d3 the play would transpose to the 3 . . . d6-line.

7.lLlc3 lLlh6 The most frequently played continuation. I also investigated two other options: 7 ... ltJf6 8.e5 ttJg4 9.ttJe4 'We7 After 9 ... ttJe3 1 O.�xe3 �xe3 l l .g3 White's advantage is obvious. For example: 1 1 .. .'We7

Minor Systems

598

1 2.a3 Before starting concrete action, White takes the necessary prophylactic action by covering the b4-square. 1 2 ... 0-0 1 3 .Wfd3 �xf4 (Black tries to complicate matters, as after 1 3 ... �b6 1 4.0-0-0± it is hard to see how Black is going to develop his queenside) 1 4.gxf4 tLlxf4 This was Sutkovic - Kalajzic, Croatia 2006, and now after the accurate 1 5.Wfd2 tLlg6 ( 1 5 ... b6 runs into 1 6.tLlf6t! �xf6 1 7.exf6 Wfxf6 1 8.Wfd4 with a decisive advantage) 1 6.Wfe3! Black still has no compensation. 1 0.We2!?N I believe this move is stronger than 1 0.d as in Hampel - Malinin, corr. 1 997, which looks pretty slow. 1 0 ... 0-0 1 l .tLlfg5 tLlh6 1 2.g3 d5 This seems to me like Black's only decent try to create some activity. 1 3.tLlxc5 Wxc5 14.�e3 d4 White also retains an edge after 1 4 ...Wfe7 1 5.0-0-0 tLl f5 1 6.�f2 h6 1 7.tLlf3 and White is ready to start an offensive by means of h4h5, followed by g3-g4. 1 5.�gl Wfb4t 1 6.Wfd2 Wfxd2t 1 7.�xd2 tLlf5 1 8.�c4 �e8 1 9.�f2 White has a clear advantage. 7 ... d6 8.tLla4! White should take the opportunity to exchange Black's dark-squared bishop. 8 ... �b6 9.tLlxb6 axb6

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g

h

1 O.�d3!N This is an obvious improvement over 1 0.e5 tLl8e7 when matters were not so clear 1 0 Ruban - Ermenkov, Miskolc 1 990. 1 0 ... tLl8e7 1 0 ... tLl f6 runs into the unpleasant l 1 .e5. 1 1 .0-0 0-0 1 2.g3± White is better due to his bishop pair and space advantage. We also should not forget about Black's misplaced knight on g6.

8.£5! This is a very active and principled move. 8 lLlh4 The alternative is 8 ... exf5 9.�g5 �e7 (if 9 ... tLle7 then 1 0.�xh6 gxh6 1 1 .Wfd2± poses Black serious problems) 1 0.�xh6 gxh6 I I .exf5 tLlh4 1 2.tLlxh4 �xh4t 1 3.g3 Wfen as in D. Obukhov - Davidovich, USA 2004. Now many moves lead to an advantage for White, but the most accurate is: 14.�e2 �g5 1 5.Wfd4 �f6 (instead 1 5 ... 0-0 1 6.tLld5 Wfd6 1 7.0-0 is also clearly better for White) 1 6.Wfc4!± ...

8 ... tLlg4 is simply bad in view of 9.fxg6 tLlf2 1 0.Wfe2 tLlxhl 1 1 .�g5 �e7 1 2.�xe7 Wfxe7 1 3.0-0-0± and Black's knight is trapped in the corner.

Chapter 3 8 - Odd ideas This unexpected knight j ump (with the idea of'IWh5) poses Black serious problems. In Minasian - Teran Alvarez, Ubeda 1 999, White opted for the natural 9.g3 tt:lxf3t 1 0.'lWxf3 and was better in this complicated position.

9 ... exf5 There are other moves such as 9 . . . 0-0 1 0.'lWh5 when Black simply loses his knight for no compensation, or 9 ... tt:l6xf5 1 0.exf5 tt:lxf5 1 1 .i.d3 when White has a large advantage. 1O.\Wh5t CtJg6 l 1.exf5 lLlxf5 Black loses by force after 1 1 ...'lWe7t 1 2.tt:lge4 i.b4 1 3.i.d3 'lWh4t 14.'lWxh4 CLlxh4 1 5.i.xh6 gxh6 1 6.0-0 and the knight is trapped on h4. 12.td3 Black has no defence against White's direct threats, for instance: 1 2 d5 1 2 ...'lWf6 does not help, as after 1 3.l"m d6 14.'lWe2t White is winning. •••

599

B2) 5 ... dxe6 6.\Wxd8t �xd8 7.CtJO

8 �� 0 � .JL� ��a � �� W w.� A

: "�'-%i��%i·'�.""%,,�!-��......-;:%i.�j'.... a

� � �' " 5� � � 8 �p � �fJ _ m m �� W& 3 ��-%� W&� � .8 � 2 8.... 0r�' %%!'8_ 0 0�W&.' .. . . W&?0' l �QJ� m�alI 4

.

.

,

f g h In my opinion, despite the exchange of queens, Black has not managed to solve his problems, as the arising endgame is highly unpleasant for Black due mainly to two factors. Firstly, Black's wandering king is a constant problem. Secondly, his knight is clearly misplaced on g6, where it is restricted by White's f4-pawn, and it will definitely take time to re-enter the game. Meanwhile, White enjoys a pleasant space advantage and can choose between many possible set-ups.

a b c d

e

7 ...tc5 Black's most popular move. The other options are:

1 5.h3! Black cannot avoid losing material.

7 ...i.b4t This seems pointless, as White's pawn will be very useful on c3. 8.c3 i.c5 9.i.d3 I also like 9.CLlbd2 with the idea of meeting 9 ... CLlf6 with the immediate 1 0.e5 followed by 1 1 .CLle4, while the f4-pawn is certainly untouchable in view of 9 ... CLlxf4 1 0,CLlb3 i.d6 1 1 .e5 winning a piece. 9 .. ,CLlf6 1 0.�e2 a5 1 1 .g3 \!;e7 1 2.CLlbd2 a4 After 1 2 ... Eld8 White executes the same idea: 1 3.e5 CLld5 1 4.CLle4 i.b6 1 5.a3! With the unpleasant idea of driving Black's knight from d5 with 1 6.c4.

600

Minor Systems

1 3.e5 lLld5 14.lLle4 �b6 1 5 .�d2! White was much better in Karpov Berlandier, Internet Simul 1 998. 7 ... lLlf6

1 2.h3 lLle3 1 3.�xe3 �xe3 1 4.g3 There is a well-known saying: if you have one bad piece, then your whole position is bad. This is probably the case here, as Black's knight is poorly placed on g6. 1 4 ...�c6 l 5.�e2 �b6 l 6.c4 �xe4 l 7.�xe4 c6 1 8.b4 White is dominant.

9.e5 ttJd5 10.lLle4 �b6 1 l .g3 i.d7 12.i.d2 lLle3 1 3.�d3 �c6 14.@e2 lLlfS

a

b

c

d

e

f

g

h

8 .e5!?N A novelty, but in my opinion a very natural reaction. Previously White has mainly tried 8.lLlc3, but after 8 ...�b4 9.�d3 �d7 1 0.0-0 �c5t 1 1 .� h 1 lLlg4 the position was not at all clear in 1. Smirnov - Zubarev, Alushta 200 1 . 8 ... lLld5 9.g3 As in the p revious line, White's main idea is to slowly prepare the c2-c4 advance, driving back Black's knight from the centre. The following line is not forced, but shows the main ideas: 9 . . .�c5 1 0.a3 �d7 1 1 .�d3 �c6 Or 1 l ...a5 1 2.lLlbd2 �c6 1 3.lLle4 �b6 l 4.�e2± and next 1 5.c4. 1 2.b4 �b6 l 3 .�e2 White is clearly better, thanks to his huge space advantage. Black's minor pieces hardly have any good squares.

8.lLlc3 lLlf6 I also examined: 8 ...�d7 9.�d3 lLlf6 1 0.e5 lLlg4 1 1 .lLle4 �b6 If 1 1 . ..�e3 l 2.h3 �xcl 1 3 .l':!xcl lLle3 1 4 .�f2 lLld5 1 5.g3± the swap of dark squared bishops does not really help Black, and White is clearly better.

l SJ3hdl!N @c8 1 6.b4 l3d8 17.a4 Black is really suffering. Conclusion: There is no doubt 1 ...e5 is a dubious continuation and I think the line I recommend is very close to be a refutation. On the other hand 1 ... lLlc6 has some point, for example if 2.lLlf3 d5 3.c4 �g4 White would reach a line of the Chigorin Defence that is not part of my repertoire. I nstead my recommendation of 2.d5! is very challenging and forces Black to choose between a dangerous position after 5 ... fxe6 and a passive endgame if 5 ... dxe6.

Index ofVariations Chapter 1 l .d4 tLlf6 2.c4 e6 3.g3 .ib4t 4..id2 cS s ..ixb4 cxb4 6..ig2 A) 6 ... d5 1 4 B ) 6 ... 0-0 7.e4 d6 8.ctJe2 1 5 B l ) 8 ... ctJc6 1 5 B2) 8 ... e5 9.a3 1 6 B2 l ) 9 ... ctJa6 1 7 B22) 9 ...�b6 1 8 Chapter 2 l .d4 tLlf6 2.c4 e6 3.g3 .ib4t 4..id2 .ixd2t S.�xd2 A) 5 . . . 0-0 6.ig2 d6 20 B) 5 ... d5 6.ctJf3 0-0 7.ig2 2 1 B l ) 7 . . Y!Je7 22 B 1 l ) 8 ... dxc4 22 B 1 2) 8 ... b6 23 B 1 3) 8 ... l"ld8 24 B2) 7 ... ctJbd7 8.0-0 25 B2 l ) 8 ... dxc4 25 B22) 8 ...�e7 26 B23) 8 ... c6 28 Chapter 3 l .d4 lDf6 2.c4 e6 3.g3 .ib4t 4..id2 as S ..ig2 A) 5 ... d6 3 1 B) 5 ... 0-0 3 1 C) 5 . . .d 5 6.ctJf3 0-0 7.0-0 32 C l ) 7 ... c6 33 C2) 7 ... ctJc6 33 Chapter 4 l .d4 tLlf6 2.c4 e6 3.g3 .ib4t 4..id2 �e7 s.lDf3 A) 5 ... b6 6.ig2 ib7 7.0-0 37 A l ) 7 ... 0-0 37 A2) 7 ... ixd2 8.�xd2 39 A2 l ) 8 ... d6 39 A22) 8 . . . 0-0 4 1

602

Grandmaster Repertoire 2 - 1 .d4 Volume Two

B) 5 ... 0-0 6.�g2 �xd2t 7.'lWxd2 d6 8.lLlc3 e5 9.0-0 43 B 1 ) 9 . . . lLlc6 43 B2) 9 ...�g4 44 B3) 9 . . . ge8 44 C) 5 . . . lLlc6 6.lLlc3 45 C 1 ) 6 ... d5 46 C2) 6 . . . 0-0 7.�g2 48 C2l ) 7 ... d6 48 C22) 7 ... lLla5 49 C3) 6 ...�xc3 7.�xc3 lLle4 8.gc1 50 C3 1 ) 8 . . . d6 50 C32) 8 ... 0-0 9.�g2 d6 1 0.d5 lLld8 1 1 .0-0 e5 l 2.lLld2 lLlxc3 l 3.gxc3 53 C321 ) 13 ... b6 54 C322) 13 ...�d7 55 C323) 13 ... f5 l 4.c5 lLlf7 1 5.'lWb3 b6 1 6.cxd6 cxd6 l7.'lWa3! 56 C323 1 ) 17 ...�b7 56 C3232) 1 7 ... e4 57 C3233) l7 ... a5 57

Chapter 5 l .d4 ctJf6 2.c4 eS 3.dxeS ctJe4?! 4.a3 A) 4 ... b6 60 B) 4 . . . lLlc6 62 C) 4 ... 'lWh4 63 D) 4 . . . d6 64 Chapter 6 l.d4 lLlf6 2.c4 eS 3.dxeS ctJg4 4.ctJf3 A) 4 ... �b4t?! 67 B) 4 . . . lLlc6 5.�f4 �b4t 6.lLlbd2 68 B 1 ) 6 .. .f6 68 B2) 6 ... 'lWe7 7.e3! lLlgxe5 8.lLlxe5 lLlxe5 9.�e2 7 1 B2 1 ) 9 ... d6 72 B22) 9 ... b6 74 B23) 9 ...�xd2t 76 B24) 9 ... 0-0 78 B25) 9 ... a5! 8 1 C) 4 ...�c5 5.e3 lLlc6 6.lLlc3 0-0 7.�e2 lLlgxe5 8.lLlxe5 lLlxe5 9.0-0 83 C 1 ) 9 ... d6 84 C2) 9 ... a5 86 C3) 9 . . . ge8 86

I ndex o f Variations

603

Chapter 7 l.d4 lLlf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 h5 A) 6.e4!? It:lxe4 7YJie2 Vlie7 8 .ig2 93 A I ) 8 ... lt:ld6 94 A2) 8 . . .f5! 94 B) 6.lt:lf3!? 95 B 1 ) 6 . . .ib7 96 B2) 6 ...d6 7.e4 97 B2 1 ) 7 ... a6 98 B22) 7 . . . b4N 1 00 Chapter 8 l .d4 llJf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 id6 6.llJc3 0-0 7.ig2 A) 7 . . . ie5 1 03 B) 7 ...ic7 1 04 C) 7 .. j''&e 8 1 05 Chapter 9 l .d4 e6 2.c4 c5 3.d5 exd5 4.cxd5 d6 5.lLlc3 g6 6.llJf3 ig7 7.g3 lLle7 8.ig2 0-0 9.0-0 a6 10.a4 A) 1 0 . . . h6 1 1 0 B) 1 0 ... lt:lf5 I I I C) 1 0. . . lt:ld7 1 1 1 Chapter 10 l .d4 lLlf6 2.c4 c5 3.d5 d6 4.lLlc3 g6 5.lLlf3 ig7 6.g3 o-0 7.ig2 A) 7 ... e5 8.0-0 1 1 5 A 1 ) 8 ... lt:lg4 1 1 5 A2) 8 ... lt:la6 1 1 6 A3) 8 ... lt:le8 1 17 A4) 8 ... lt:lh5 1 1 8 B) 7 ... lt:la6 8.0-0 It:lc7 9.a4 1 1 9 B 1) 9 ... lt:la6 1 20 B2) 9 ... l'%b8 1 0.e4 1 2 1 B2 l ) 1 0 ... b6 1 2 1 B22) 1 0 ...ig4 1 24

604


Chapter 1 1 l.d4 ltJf6 2.c4 c5 3.d5 e5 4.ltJc3 d6 5.e4 A) 5 . . . g6 6.�e2 1 27 A I ) 6 .. .tZlbd7 1 28 A2) 6 ... a6 1 28 A3) 6 . . .�g7 1 29 B) 5 ... CLJbd7 6.�d3 1 3 1 B 1 ) 6 ... g6 1 3 1 B2) 6 . . .�e7 7.CLJge2 1 32 B2 1 ) 7 ... g6 1 32 B22) 7 ... h5 1 33 B23) 7 ... CL:Jf8 1 34 B24) 7 ... 0-0 1 35 C) 5 . . .�e7 6.g3 0-0 7.�g2 1 36 C 1 ) 7 . . . CLJa6 1 37 C2) 7 ... CLJe8 1 37 C3) 7 ... CLJbd7 8.CLJge2 1 39 C3 1 ) 8 ... CLJe8 1 39 C2) 7 ... ttJe8 C3) 7"'ttJbd7 8 'ttJge2 C3 1 ) 8 ... tLle8 C32) 8 . . . a6 Chapter 1 2 l .d4 c5 2.d5 A) 2 ... b5 145 B) 2 . . .f5 1 47 C) 2 ... e5 3 .e4 d6 4.�b5t!? 1 49 C l ) 4 ...�d7 5.a4! 1 49 C 1 1 ) 5 . . . g6 1 50 C 1 2) 5 ...�e7 1 5 1 C2) 4 ... CLJd7 1 5 1 0) 2 . . . e6 3.CLJc3 1 54 0 1 ) 3 . . . CLJf6 4.e4 d6 5.�b5t!? 1 5 5 0 1 1 ) 5 ... CLJbd7?! 1 55 0 1 2) 5 ... �d7 1 56 02) 3 . . . d6 4.e4 1 58 02 1 ) 4 ... exd5 5.CLJxd5 CLJf6 6.CLJf3 1 58 021 1 ) 6 . . . CLJxd5 1 5 8 02 1 2) 6 . . .�e7 1 60 022) 4 . . . a6 1 60 03) 3 ... exd5 1 62

I ndex of Variations

Chapter 1 3 l.d4 ttJf6 2.c4 c5 3.d5 e 6 4.ttJc3 exd5 5.cxd5 d6 6.g3 g6 7.ig2 ig7 8.ttJf3 0-0 9.0-0 A) 9 . . .�g4 1 66 B) 9 ... b6 1 67 C) 9 ... �e8 1 0.ttJd2 1 69 C l ) 1 0 ... ttJg4 1 69 C2) 1 0 . . . b6 1 69 D) 9 ... a6 1 70 E) 9 ...Vf1e7 1 73 F) 9 ... ttJa6 1 0.h3 1 75 F l ) 1 0 ...�d7 1 76 F2) 1 0 ... �e8 1 77 F3) 1 0 . . .tLlc7 1 78 G) 9 . . . lLlbd7 1 0.a4! �e8 l 1 .lLld2 a6 1 2.h3 1 79 G 1 ) 1 2 ... lLlh5 1 3.lLlce4 1 8 1 G2) 1 2 ... �b8 1 3.lLlc4 1 82 G2 l ) 1 3 ... lLlb6 1 4.lLla3 �d7 1 5.e4 1 82 G21 1 ) 1 5 ... lLlc8 1 84 G2 1 2) 1 5 . . .Vf1c7 1 85 G22) 1 3 ... lLle5 1 4.lLla3 1 86 G22 1 ) 1 4 . . .Vf1c7?! 1 87 G223) 1 4 ...�d7 1 88 G224) 1 4 ... lLlh5 1 5.e4 1 89 G224 1 ) 1 5 ...�d7 1 89 G2242) 1 5 . . . �f8 1 6.cj;lh2 1 92 G2242 l ) 1 6 . . .�d7 1 93 G22422) 1 6 .. .f5 1 94 G2243) 1 5 . . .f5 1 96 Chapter 14 l .d4 ttJf6 2.c4 c5 3.d5 b5 4.cxb5 A) 4 . . . e6 202 B) 4 ... a6 5.bxa6 203 B l ) 5 ...�xa6 203 B2) 5 ... e6 204 B3) 5 ... g6 6.lLlc3 �xa6 7.g3 d6 8.�g2 �g7 9.lLlf3 206 B3 1 ) 9 ... lLlfd7!? 206 B32) 9 ... lLlbd7 1 0.�b 1 ! 208 B32 1 ) 1 0 ... lLlb6 209 B322) 1 0 ... 0-0 1 1 .0-0 2 1 0 B322 1 ) 1 1 ...lLlb6 2 1 1 B3222) 1 1 . ..lLle8 2 1 2

605

606

Grandmaster Repertoire 2 - l .d4 Volume Two B3223) 1 1 ...Wt'a5 1 2.!d2 2 1 3 B3223 1 ) 1 2. . .ltJg4 2 1 4 B32232) 1 2 .. .l'%£b 8 1 3.Wt'c2 2 1 5 B32232 1 ) 1 3 . . . Wt'c7 2 1 6 B322322) 1 3 . . . ltJe8 2 1 7 B322323) 1 3 . . . ltJg4 2 1 7

Chapter 1 5 l .d4 f5 2.ltJf3 lLI f6 3.g3 e6 4.i.g2 d5 5.0-0 A) 5 ... !e7 6.c4 0-0 7.ltJbd2 222 A I ) 7 . . . ltJc6 222 A2) 7 ... c6 8.ltJe5 223 A2 1 ) 8 ... b6 224 A22) 8 ...!d7 225 A23) 8 ... ltJbd7 225 B) 5 . . .!d6 6.c4 c6 7 .ltJc3 0-0 8.Wt'c2 227 B 1 ) 8 ... Wt'e7 229 B2) 8 ...!d7 229 B3) 8 ...Wt'e8 230 B4) 8 ... ltJe4 9.:B:b 1 233 B41 ) 9 ...!d7 233 B42) 9 ... ltJd7 1 0.b4 234 B42 1 ) 1 0 ... ltJdf6 234 B422) 1 0 .. b5!? 235 B43) 9 . . . a5 236 B44) 9 ...Wt'e7 1 0.b4 239 B44 1 ) 10 ...!xb4 239 B442) 10 ... ltJd7 240 B443) 10 ...!d7 24 1 B444) 1 0 ... b5 24 1 Chapter 1 6 l .d4 f5 2.g3 lLIf6 3.i.g2 e6 4.c4 i.e7 s.lLIf3 0-0 6.0-0 A) 6 ...Wt'e8 244 B) 6 . . . ltJe4 245 C) 6 . . . d6 7.ltJc3 246 C 1 ) 7 ... ltJc6!? 246 C2) 7 ... a5 8.b3 249 C2 1 ) 8 ... ltJa6 249 C22) 8 ... ltJe4 249 C3) 7 ... ltJe4 8.ltJxe4 fxe4 9.ltJd2 d5 1 0.f3! 25 1 C3 1 ) 1 0 . . . exf3 252

Index o f Variations C32) 1 0 ... tDc6 252 C4) 7 ...We8 8.b3 253 C4 1 ) 8 ... tDc6 253 C42) 8 ... tDbd7 254 C43) 8 ... c6 255 C44) 8 ... Wh5 255 C45) 8 ... a5 9.�b2 256 C45 1 ) 9 ... tDc6 257 C452) 9 ... Wh5 257 C453) 9 ... c6 258 C454) 9 ... tDa6 259

Chapter 17 l .d4 f5 2.lbn 1tJf6 3.g3 g6 4 .ig2 .ig7 5.0-0 0-0 6.b3 A) 6 ... c5 263 B) 6 ... d6 7.�b2 265 B l ) 7 ... a5 265 B2) 7. . . e6 266 B3) 7 ... c6 267 B4) 7 ... tDe4 8.tDbd2 tDxd2 9.Wxd2 270 B4 1 ) 9 ... tDd7 27 1 B42) 9 ... tDc6 272 B5) 7 ... e5?! 273 B6) 7 ... h6 275 B7) 7 ... tDc6 276 B8) 7 ...We8 8.c4 278 B8 1 ) 8 ... e5 9.dxe5 278 B8 1 1) 9 ... tDg4 278 B8 1 2) 9 ... tDfd7 279 B82) 8 ... tDc6 280 B83) 8 ... tDe4 28 1 B84) 8 ... tDa6 9.Wc2!? 282 B84 1 ) 9 ... h6 284 B842) 9 ... tDb4 285 B843) 9 ...gb8 286 .

Chapter 18 l .d4 g6 2.c4 A) 2 .. .f5 3.h4! 290 A I ) 3 ...�g7 290 A2) 3 ... tDf6 29 1 B) 2 ...�g7 292

607

608

Grandmaster Repertoire 2 - l .d4 Volume Two

Chapter 1 9 1 .d4 ttJ f6 2.c4 g6 3.g3 ig7 4.ig2 d 5 5.cxd5 ttJxd5 6.ttJf3 A) 6 ... c5 298 B) 6 ... 0-0 7.0-0 299 B 1) 7 .. .tt:k6 300 B2) 7 ... c6 302 B3) 7 ... ttJa6 8.ttJc3 303 B3 1 ) 8 ...ttJxc3 304 B32) 8 . . .ie6 304 B33) 8 . . . ttJb6 305 B34) 8 . . . c5 306 B4) 7 . . . c5 8.e4 308 B41 ) 8 ... ttJb6 9.d5 e6 1 0.ttJc3 exd5 1 1 .exd5 308 B4 1 1) 1 1 .. .if5 309 B4 1 2) 1 1 . ..ttJc4 3 1 0 B42) 8 . . .ttJf6 9.e5 ttJd5 1 0.dxc5 3 1 1 B42 1 ) 1 O ... ttJc6 3 1 1 B422) 1 0 ... ttJb4 3 1 2 B423) 1 O. . .ttJa6 3 1 3 C) 6 . . . ttJb6 7.ttJc3 ttJc6 8.e3 3 1 5 C 1 ) 8 ... e5 9.d5 3 1 5 C 1 1 ) 9 ... ttJe7 1 0.e4 ig4 1 1 . h3 ixf3 1 2.�xf3 c6 1 3.0-0 3 1 5 C l l 1 ) 1 3 ... cxd5 3 1 6 C l 1 2) 1 3 . . .0-0 3 1 8 C 1 2) 9. . .ttJb4 1 0.e4 c6 1 1 .a3 ttJa6 1 2.0-0 cxd5 1 3.ttJxd5!?N 3 1 9 C 1 2 1 ) 1 3 . . . 0-0 320 C 1 22) 13 ... ttJxd5 320 C 1 3) 9 . . . ttJa5 1 0.0-0 0-0 1 1 .e4 c6 1 2.ig5 f6 1 3.ie3 32 1 C 1 3 1 ) 1 3 . . . ttJbc4 3 2 1 C 1 32) 1 3 ... cxd5 1 4.ixb6! 322 C 1 32 1 ) 14 ... axb6 323 C 1 322) 14 ... �xb6 324 C2) 8 ... 0-0 9.0-0 325 C21 ) 9 ... e5 326 C22) 9 ... a5 328 C23) 9 ... Ele8 1 0.Ele l ! ? 328 C23 1 ) 1 0 . . . h6!? 329 C232) 10 . . .id7 330 C233) 10 . . . a5!? 33 1 C234) 1 0 . . . e5 1 1 .d5 332 C2341 ) 1 l ...ttJe7 332 C2342) 1 l . ..ttJa5 1 2 .e4 c6 1 3 .b3!? cxd5 1 4.exd5 333 C2342 1 ) 14 ... e4 334 C23422) 14 ...ig4 335

Index of Variations

Chapter 20 l .d4 ttJf6 2.c4 g6 3.g3 c6 4.ttJf3 d5 5.b3 J.g7 6.J.g2 A) 6 ... dxe4 338 B) 6 ... 0-0 7.0-0 339 B 1 ) 7 ... j,e6 340 B2) 7 ... e5 341 B3) 7 ... lLle4 8.j,b2 342 B3 l ) 8 ... dxe4 342 B32) 8 ...j,e6 342 B33) 8 . . . lLld7 344 B4) 7 . . .j,f5 8.j,b2 345 B4 l ) 8 ... lLlbd7 345 B42) 8 ...We8 345 B43) 8 ... lLle4 346 B5) 7 ... lLlbd7 348 B6) 7 ... a5 8.lLlc3 lLle4 9.j,b2 349 B6 1 ) 9 ... lLlxc3 1 0.j,xc3 350 B61 l ) 10 ... b5 350 B6 1 2) 1 O ... lLld7 350 B6 1 3) 1 0 ... a4 3 5 1 B6 1 4) 1 0 . . .j,f5 1 1 .e3 lLld7 1 2.We2 3 5 1 B6 1 4 l ) 1 2. . .a4 352 B 6 1 42) 12 ... j,e4 352 B61 43) 12 ... lLlf6 353 B62) 9 ...j,f5 354 B7) 7 ... dxe4 8.bxe4 e5 9.j,b2 357 B7 l ) 9 ... llffb 6 357 Bn) 9 ... exd4 1 0.lLlxd4 358 Bn l ) 10 . . . lLlg4 359 Bn2) 10 ... lLle6!? 360 Bn3) 1 0 ...Wb6 1 1 .Wb3 361 Bn3 l ) 1 1 . . .lLlbd7 361 Bn32) 1 1 ...lLlfd7 1 2.e3 362 Bn32 1 ) 12 ... lLle5 362 Bn322) 12 ... lLla6 363 Bn323) 12 ... lLle6 364 Chapter 21 l .d4 tlJf6 2.c4 g6 3.g3 J.g7 4.J.g2 d6 5.ttJc3 0-0 6.tlJf3 J.g4 7.h3

609

610


Chapter 22 l.d4 lLlf6 2.c4 g6 3.g3 ig7 4.ig2 d6 S.lLlc3 0-0 6.lDf3 lLlc6 7.0-0 ig4 S.dS lLlaS 9.lLld2 cS 1O.'I1;lfc2 A) 1 0 . . .'I1;lfd7 372 B) 1 0 ... e5 373 C) 1 0 ... a6 1 1 .h3 id7 1 2.b3 b5 1 3 .ib2 l'l:b8 1 4.l'hb 1 375 C 1 ) 1 4 ... bxc4 375 C2) 14 ...'I1;lfc7 376 C3) 1 4 . . . e5 377 Chapter 23 l .d4 lLlf6 2.c4 g6 3.g3 ig7 4.ig2 d6 S.lLlc3 0-0 6.lDf3 lDc6 7.0-0 ifS S.dS lLlaS 9.lDd2 A) 9 ... c6 380 B) 9 ... c5 38 1 Chapter 24 l .d4 lLlf6 2.c4 g6 3.g3 ig7 4.ig2 d6 S.lLlc3 0-0 6.lLlf3 lLlc6 7.0-0 eS S.dS lLle7 9.e4 A) 9 ... c5 1 0.ttJe 1 tLJe8 1 1 .tLJd3 f5 1 2.f4 exf4 1 3.�xf4 389 A l ) 13 ... fxe4 389 A2) 13 ...�d4t 390 B) 9 ... a5 3 9 1 C ) 9 ...h 6 39 1 D) 9 ... tLJd7 393 E) 9 ... tLJe8 1 0.tLJe1 f5 1 1 .tLJd3 tLJf6 1 2.�g5! 395 E 1 ) 12 ... fxe4 395 E2) 12 ... h6 1 3.�xf6 396 E2 l ) 13 ... �xf6 397 E22) 13 . . . l'!xf6 398 Chapter 25 l .d4 lLlf6 2.c4 g6 3.g3 ig7 4.ig2 d6 S.lLlc3 0-0 6.lLlf3 lLlc6 7.0-0 a6 s.Wfd3 A) 8 ... tLJd7 40 1 B) 8 . . . l'!b8 404 C) 8 ... tLJb4 405 D) 8 . . .�d7 406 E) 8 ... �f5 407 F) 8 ... e5 9.dxe5 dxe5 1 0.Wfxd8 l'!xd8 1 1 .�g5 408 F 1 ) 1 1 . ..l'!e8 409 F2) 1 1 . ..�e6 1 2.tLJd2 h6 1 3.�xf6 4 1 0 F2 1 ) 1 3 ... l'!xd2 4 1 1 F22) 1 3 ...�xf6 4 1 2

Index of Variations

Chapter 26 l.d4 lbf6 2.c4 g6 3.g3 ig7 4.ig2 d6 S.lbc3 0-0 6.tDe tDc6 7.0-0 gb8 8.h3 A) 8 ... e5 4 1 5 B) 8 ...�f5 4 1 5 C) 8 ... a6 9.e4 4 1 6 C l ) 9 ... e5 4 1 6 C2) 9. . .tLJa5 4 1 7 C3) 9. . .tLJd7 4 1 8 C4) 9 ...b 5 1 0.cxb5 axb5 l 1 .gel!? 4 1 9 C4 1 ) 1 1 ...tLJd7 420 C42) 1 1 ...e5 421 C43) 1 l ...b4 422 C44) 1 l .. .e6 424 Chapter 27 l .d4 lbf6 2.c4 g6 3.g3 ig7 4.ig2 0-0 S.tDc3 d6 6.lbe c6 7.0-0 A) 7 .. .lLla6 427 B) 7 ... �b6 430 C) 7 ... �f5 8.tLJe 1 432 C 1 ) 8 ... e5 434 C2) 8 ... �e6 436 D) 7 ... a6 437 E) 7 ...�g4 440 F) 7 ...�a5 8.e4 440 F 1 ) 8 ...�g4 9.h3 �xf3 1 0.�xf3 44 1 F 1 1) 1 0 . . . tLJbd7 44 1 F 1 2) 1 0 ... tLJfd7 442 F 1 3) 1 0 ... e5 445 F2) 8 ...�h5 445 F3) 8 ... e5 9.h3 448 F 3 1 ) 9 ... exd4 449 F32) 9 ... tLJbd7 1 0.gel 45 1 F32 l ) 1 0 ... ge8 452 F322) 10 ... exd4 454 Chapter 28 l .d4 tDf6 2.c4 g6 3.g3 ig7 4.ig2 0-0 S.tDc3 d6 6.lbe lbbd7 7.0-0 eS 8.e4 A) 8 ... a6 462 B) 8 ... h6 466 C) 8 ... exd4 9.tLJxd4 467 C 1 ) 9 . . . c6 468 C2) 9 ... ge8 1 0.h3 469

611

612

Grandmaster Repertoire 2 - l .d4 Volume Two

C2 l ) 1 0 . . . a6 470 C22) 1 0 . . . ctJc5 1 1 .l':!e1 475 C22 1 ) 1 1 . ..c6 475 C222) 1 1 ... a5 477 C223) 1 1 . ..�d7 1 2.�h2!? 479 C223 1 ) 1 2 ... h6 480 C2232) 1 2 ... a6 482 D) 8 . . . c6 9.h3 483 D 1 ) 9 ... a6 484 D2) 9 ... l':!e8 485

Chapter 29 l .d4 lLlf6 2.c4 g6 3.g3 �g7 4.�g2 0-0 S.lLlc3 d6 6.ttJf3 lLlbd7 7.0-0 eS 8.e4 c6 9.h3 'lWb6 10.ge1 A) 1 0 ... l':!e8 49 1 B) 1 0 . . . exd4 1 1 .ctJxd4 493 B 1 ) 1 l ...l':!e8 1 2.l':!e2!? 494 B 1 1 ) 12 ... ctJxe4 494 B 1 2) 1 2 ... ctJg4 495 B 1 3) 1 2 . . .�b4 497 B2) 1 1 . . . ctJg4 498 B3) 1 1 . . .ctJe8 498 Chapter 30 l .d4 d6 2.lLlf3 �g4 3.c4 A) 3 ... c6 502 B) 3 . . . g6 502 C) 3 ... ctJf6 505 D) 3 ... �xf3 4.exf3 509 D 1 ) 4 ...g6 5 1 0 D2) 4 ... c6 5 1 1 E) 3 ... ctJd7 4.ctJc3 5 1 5 E 1 ) 4 ...�xf3 5 1 5 E2) 4 " . e5 5.g3 5 1 6 E2 l ) 5 . . . ctJgf6 5 1 6 E22) 5 . . .�xf3 5 1 8

I ndex of Variations

Chapter 3 1 1.d4 d6 2.ltJf3 g6 3.c4 ig7 4.g3 A) 4 ... l2lc6 5 22 B) 4".c5 5.d5 b5 6.cxb5 522 B l ) 6".a6 522 B2) 6 .. :�Va5t 524 C) 4" .e5 5.l2lc3 524 C l ) 5" .ig4 525 C2) 5" .l2lc6 526 C3) 5 ".exd4 528 C4) 5".l2ld7 6.ig2 530 C4 l ) 6".l2lh6 530 C42) 6".l2le7 7.0-0 0-0 8.e4 exd4 9.l2lxd4 l2lc6 1 0.l2lde2 5 3 1 C42 1 ) 1 0" .l2lde5 534 C422) 1 0".l2lc5 535 C423) 1 0".a5 535 Chapter 32 1 .d4 ltJf6 2.c4 b6 3.f3!? A) 3" .e6 539 B) 3".l2lc6 540 Chapter 33 l .d4 A) L .b5 543 B) l ...a6 545 C) 1 ".c6 2.c4 b5 548 D) l ...b6 5 50 Chapter 34 l .d4 e6 2.c4 b6 3.e4 ib7 4.id3 A) 4".l2lf6 557 B) 4".ib4t 558 C) 4".l2lc6 560 D) 4 ... f5 5.exf5 565 D l ) 5 ".ixg2?! 565 D2) 5" .ib4t 6.mfl 567 D2 1 ) 6".exf5 568 D22) 6".l2lf6 568

613

614

Grandmaster Repertoire 2

-

1 .d4 Vol ume Two

Chapter 35 l .d4 ltJf6 2.c4 CLlc6 3.ltJf3 A) 3 ... d6 573 B) 3 . . . e6 575 Chapter 36 l .d4 ltJf6 2.c4 d6 3.ltJf3 ltJbd7 4.ltJc3 e5 5.g3 fie7 6.fig2 0-0 7.0-0 A) 7 . . J''!e 8 579 B) 7 ... exd4 58 1 C) 7 ... c6 8.e4 �e8 9.h3 a6 1 0.a4! a5 1 1. .�e3 583 C 1 ) 1 1 ...ii,f8 584 C2) 1 1 ...exd4 5 86 Chapter 37 1 .d4 ltJf6 2.c4 e6 3.g3 b6 4.fig2 Chapter 38 l .d4 A) 1 .. .e5?! 594 B) 1 ...ltJc6 2.d5 ttJe5 3.e4 e6 4.f4 ttJg6 5.dxe6 596 B 1 ) 5 . . .fxe6 597 B2) 5 . . . dxe6 599

Playing the Queen's Gambit Grandmaster Lars 5chandorff

The power of the Quee n's Gambit is beyond q u estion, even though it a l lows some serious de fences - the S lav a n d Semi-Slav a re favoured by the el ite, Kaspa rov was p l ayi ng the Q u een's Ga mbit Accepted u ntil he retired, a n d the Quee n's G a m bit Dec l i ned has been trusted for a centu ry. The princip led way for White to b u i l d a repertoire after 1 .d4 dS 2.c4 is to play the critical main l i nes. Ta ke a s m uch space a s possible - no compro m i ses. That i s Lars Schand orff's attitude a n d so h i s choice is clear: *

S.i.gS a g a i n st the Semi-Slav 6.tt:leS versus the S i.fS m a i n l i ne S l av * 3.e4 a g a i n st the Queen's Ga mbit Accepted

* *

*

•••

The Exchange Variation versus the Queen's G a m bit Dec l i n ed

S.cS a g a i n st the 4 a6-Slav •••

The Ta rrasch, C h i gorin, A l b i n and all m i nor lines a re a l s o met with the same vigour this is a com p l ete White repertoire after

1 .d4 dS 2.c4.

Grandmaster

Lars

Schandorff

from

P layi ng

Denmark is renowned on the i nternati o n a l

circ u it

for

preparation.

the

depth

of

his

open i n g

the Queen 's Gambit -

A G randmaster Guide

QUALITY CHESS

•I

Grandmaster Repertoire An update to a Classic Concept

Creating the G ra n d master Repertoire series seemed a natural idea. There has been a g l ut of open i n g books offeri ng s i m p l i stic coverage of a s u bject. Apart from a few exceptions, it a l most seemed l i ke the concept of a h i g h-level repertoire book had been forgotten . As chess p l ayers a n d fa ns, we felt we were missing out, and beca use we can, we decided to d o somet h i n g a bout it. The books in the G ra n d m a ster Repertoire series are written by g ra n d m a sters, ed ited by g ra n d ma sters, a n d w i l l certa i n l y be read by grandmasters. Of cou rse, this does not mean that players who a re not g ra n d m a sters cannot benefit from them. We have worked h a rd to m a ke o u r books c l e a r i n t h e i r presentation a n d t o m a ke it possible for the readers t o decide the depth to which they want to study them. It i s our conviction that most players wi l l eventu a l ly enjoy greater success by playing the main l i nes, s i m ply because they a re, i n most cases, based on stronger moves. I n stinctively most players know t h i s, but for one reason or a nother they employ easy-to-Iearn but u n a m bitious systems, or d u bious g a m bits. These a pproaches may yield success from time to ti me, but we wou l d a rg u e that they a re less cond ucive to a pl ayer's overa l l development. In these days of m u lti-m i l l ion game databases, we all have access to information. The d ifficu lty comes from tryi ng to navigate through the ever-expa n d i ng j u n g l e of games a n d variations. I n this g ro u n d brea king new series, readers w i l l be g u ided by the in sig hts of g ra n d m a sters, each chosen for their specia l expertise i n the open i n g i n q u estion. We are i m mensely excited about this new series, and we hope that the readers wi l l s h a re o u r enthusiasm.

Boris Avru kh

1.d4

VOLUME TWO

Grandmaster Repertoire is a new series of high qual ity books based on the main l i n es, written by strong grand masters. The a i m is to provide the reader with a complete repertoire at a level good enough for elite tou rnaments, and certainly also for the club cham pionship. G ra n d ma ster Repertoi re p rovides a reperto i re to last a l i fetime.

Top GM Boris Avrukh charts a course towards an advantage with 1 .d4. Avrukh is used to facing the best players i n the wo rld. I n this book he p resents an i m p roved version of the repertoire that elevated him

to the top 50, focussing on m a i n li nes with a kingside fianchetto.

1 .d 4 Vo l u m e Two covers t h e K i n g's I n d i a n , D u t c h , G r u nfe l d, va r i o u s B e n o n i s , B e n ko, B u d a p e st a n d ot h e r m i n o r syste m s . ·

·

·

·

Critical lines explained by a n expert Hundreds of novelties Busts many recommended lines A repertoire to last a lifetime

Boris Avrukh is a g ra n d master from Israel. H e is an Olympiad gold medall ist, former World J u n ior C h a m pion a n d a n a lysis partner of Wo rld C h a m pi o n s h i p fi na l i sts.

€29.99

Also available

$34.95

I S B N : 978-1 -906552-33-6

QUALITY CHESS www.q u a l ityc h ess.co. u k

9 781 906 552336

5 3495

I

Grandmaster Repertoire 2: 1.d4

1.d4 (Grandmaster Repertoire) (v. 1)

Grandmaster Repertoire 10: The Tarrasch Defence

Grandmaster Repertoire 7: The Caro-Kann

Grandmaster

Starting Out: 1d4 : A Reliable Repertoire for the Improving Player

Starting Out: 1d4 : A Reliable Repertoire for the Improving Player

Grandmaster Repertoire 8: The Grünfeld Defence (Vol.1)

Play 1d4!

Attacking with 1d4

Meeting 1d4 (Everyman Chess)

Grandmaster Chess

Choral Repertoire

First Repertoire for Solo Guitar: Book 2

Murphy, Warren - Grandmaster

Interview with a Grandmaster

Think Like a Grandmaster

Grandmaster Versus Amateur

Like a GrandMaster

Train Like a Grandmaster

Grandmaster Secrets: Counter-Attack!

A Strategic Opening Repertoire

A Strategic Opening Repertoire

Grandmaster Achievement (Cadogan Chess Books)

A Ferocious Opening Repertoire

Grandmaster Secrets - The Caro-Kann

Play Like a Grandmaster, 1978

An Unbeatable White Repertoire After 1 e4 e5 2 Nf3

A Startling Chess Opening Repertoire

A Spanish Repertoire for Black

Grandmaster Repertoire 2: 1.d4

1.d4 (Grandmaster Repertoire) (v. 1)

Grandmaster Repertoire 10: The Tarrasch Defence

Grandmaster Repertoire 7: The Caro-Kann

Grandmaster

Starting Out: 1d4 : A Reliable Repertoire for the Improving Player

Starting Out: 1d4 : A Reliable Repertoire for the Improving Player

Grandmaster Repertoire 8: The Grünfeld Defence (Vol.1)

Play 1d4!

Attacking with 1d4

Meeting 1d4 (Everyman Chess)

Grandmaster Chess

Choral Repertoire

First Repertoire for Solo Guitar: Book 2

Murphy, Warren - Grandmaster

Interview with a Grandmaster

Think Like a Grandmaster

Grandmaster Versus Amateur

Like a GrandMaster

Train Like a Grandmaster

Grandmaster Secrets: Counter-Attack!

A Strategic Opening Repertoire

A Strategic Opening Repertoire

Grandmaster Achievement (Cadogan Chess Books)

A Ferocious Opening Repertoire

Grandmaster Secrets - The Caro-Kann

Play Like a Grandmaster, 1978

An Unbeatable White Repertoire After 1 e4 e5 2 Nf3

A Startling Chess Opening Repertoire

A Spanish Repertoire for Black

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