Attacking 1...D5
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Attacking 1...d5 Kiril Georgiev Chess Stars www.chess-stars.com Chess Stars Publishing Current Theory and Practice Series Attacking 1...d5 Translation and editing by Semko Semkov Cover design by Kaloyan Nachev Copyright © 2021 by Kiril Georgiev Printed in Bulgaria ISBN: 978-619-7188-33-2 Contents Bibliography 4 Introduction 5 Chapter 1. The Geller-Tolush Gambit Sidelines Main Ideas 7 Step by Step 10 Annotated Games 15 Chapter 2. The Geller-Tolush Gambit 4.Nc3 dxc4 5.e4 b5 6.Be2 e6 Main Ideas 21 Step by Step 25 Annotated Games 43 Chapter 3. The Semi-Slav 4...e6 5.g3 dxc4 6.Ne5 Main Ideas 47 Step by Step 50 Annotated Games 64 Chapter 4. The Semi-Slav 4...e6 5.g3 dxc4 6.Bg2 Main Ideas 83 Step by Step 91 Annotated Games 110 Chapter 5. The Triangle System Step by Step 127 Annotated Games 130 Chapter 6. The Closed Catalan Main Ideas 135 Step by Step 138 Annotated Games 151 Chapter 7. The Open Catalan Main Ideas 171 Step by Step 177 Annotated Games 201 Index of Variations 219 Preface Bibliography Books The Modern Triangle, Semko Semkov, Chess Stars 2020 Play 1.d4 d5 2.c4 e6!, Alexei Kornev, Chess Stars 2018 A Practical Black Repertoire with d5, c6, Volume 1: The Slav and Other De- fences, by Alexei Kornev, Chess Stars 2017 The Semi-Slav, Lars Schandorff, Quality Chess 2015 Playing 1.d4 d5, Nikolaos Ntirlis, Quality Chess 2017 The Classical Slav, Boris Avrukh, Quality Chess 2014 Grandmaster Repertoire 1A – The Catalan, Boris Avrukh, Quality Chess 2015 Periodicals Chess Informant New in Chess Yearbook Internet resources Databases The Week In Chess (www.theweekinchess.com) Chess Publishing (www.chesspublishing.com) 4 Preface Introduction XIIIIIIIIY I have been seeking for new weap- 9rsnlwqkvl-tr0 ons against 1.d4 d5 for many years. 9zpp+-+pzpp0 In my previous 2-volume work on 9-+p+psn-+0 the English I offered some ideas, 9+-+p+-+-0 specific to the move order with 1.c4. 9-+PzP-+-+0 However, the systems based on 1... 9+-sN-+NzP-0 d5 are so solid and deeply analysed 9PzP-+PzP-zP0 that we need a wider arsenal in or- 9tR-vLQmKL+R0 der to be unpredictable. It should xiiiiiiiiy include sharp variations which re- In both cases White sacrifices the quire concrete knowledge and dif- c4-pawn, proposing a real gambit. ficult decisions early in the open- ing. Players that embrace set-ups Of course in the latter case Black is with ...d5 commonly prefer calmer not obliged to take on c4, so I also positional play, so unbalanced posi- considered the Closed Catalan with tions may throw them off from their 5...Nbd7. zone of comfort. A natural add-on was a chapter on the Triangle System since it could My initial intention was to analyse transpose to the Geller-Tolush Gam- gambit treatment of the Slav and the bit after 3.Nf3 e6 4.Nc3 dxc4 5.e4 Semi-Slav. Its core was supposed to b5 or to the Semi-Slav after 5.g3. be 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e4 b5 6.Be2 Then I decided to include also the XIIIIIIIIY set-up without 1...c6 – 1.d4 d5 9rsnlwqkvl-tr0 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.g3 0-0 6.Bg2 9zp-+-zppzpp0 XIIIIIIIIY 9-+p+-sn-+0 9rsnlwq-trk+0 9+p+-+-+-0 9zppzp-vlpzpp0 9-+pzPP+-+0 9-+-+psn-+0 9+-sN-+N+-0 9+-+p+-+-0 9PzP-+LzPPzP0 9-+PzP-+-+0 9tR-vLQmK-+R0 9+-sN-+NzP-0 xiiiiiiiiy 9PzP-+PzPLzP0 and 4...e6 5.g3 9tR-vLQmK-+R0 xiiiiiiiiy 5 Preface Now ...c6 would transpose to the My own experience with both col- Closed Catalan, while 6...dxc4 7.Ne5 ours has taught me that it is not easy would at least optically be similar for Black to anticipate all the tricks to the plan against the Semi-Slav. I White hides up his sleeve. was amazed to discover in my prac- tice that second players answer al- Gelfand-Kiril Georgiev most automatically 7...Nc6?!, when Mallorca ol. 2004 8.Bxc6! bxc6 9.Nxc6 Qe8 10.Nxe7+ XIIIIIIIIY Qxe7 11.Qa4 has been assessed as 9r+lwqr+k+0 toothless for many years, but late- 9+p+-vlpzpp0 ly White has found the right keys 9-+-+-+-+0 to Black’s position. After 11...c5! 9zp-snnsN-+-0 12.dxc5 Qxc5 13.Be3 Qc7 14.f3! first 9-+p+-vL-+0 players score the incredible 75% in 9+-+-+-zP-0 OTB games. 9PzP-+-zPLzP0 XIIIIIIIIY 9tR-+QtR-mK-0 9r+l+-trk+0 xiiiiiiiiy 9zp-wq-+pzpp0 In this position I was expecting 9-+-+psn-+0 only 16.Bxd5 Be6=, when suddenly 9+-+-+-+-0 16.Nxf7!! came out of the blue. After 9Q+p+-+-+0 16...Kxf7?! 17.Bxd5+ Kg6 18.Re5! 9+-sN-vLPzP-0 Bf5 19.Rxf5! it was all over. 9PzP-+P+-zP0 9tR-+-mK-+R0 Who is this book for? xiiiiiiiiy It turns out that the opposite-col- If you are fed up with all the main- oured bishops do not guarantee an stream Slav/Meran theory out-there, easy draw. Note that the current this book will offer you new refre- trend is 14.0-0-0, but I prefer to shing approaches for both sides. leave the king on f2. However, you should feel at ease in positions with an initiative for I’d like to stress that the proposed a pawn or two. You should be able repertoire is not a hit-and-run tac- to use the full power of your pie- tic. It is meant to withstand a tho- ces. Do not get frustrated if things rough home preparation as I nev- go not so smoothly in the beginning. er recommend tricky, but dubious With practice, you’ll get in taste and lines. Sometimes the engines will you’ll be glad to meet 1...d5 players show their favourite “0.00” evalua- over the board. tions, but they do not recognize the initiative as a crucial factor. Also the Kiril Georgiev cost of Black’s mistakes is higher. Sofia, May 2021 6 The Geller-Tolush Gambit Sidelines Chapter 1. The Geller-Tolush Gambit Sidelines Main Ideas 1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 Let me point out that you cannot dxc4 5.e4 b5 skip this chapter, as the attempt to XIIIIIIIIY convert play to the 4...e6 5.g3 dxc4 9rsnlwqkvl-tr0 system with 5.g3 could stumble into 9zp-+-zppzpp0 5...g6!. 9-+p+-sn-+0 I divided the material into 2 chap- 9+p+-+-+-0 ters as the character of play in the 9-+pzPP+-+0 sidelines is completely different 9+-sN-+N+-0 from the main line 7...e6. 9PzP-+-zPPzP0 9tR-vLQmKL+R0 The first move we should be ready xiiiiiiiiy to face after 6.Be2 is 6...b4?!. We We start the book with the Geller- should give up the central pawn Tolush Gambit, sometimes referred without hesitation: as the Slav Gambit. To be complete- 7.Na4! Nxe4 8.Bxc4 ly precise, both Godfathers attacked XIIIIIIIIY 5...b5 with 6.e5 Nd5 7.a4, which is 9rsnlwqkvl-tr0 beyond the scope of our analysis. We 9zp-+-zppzpp0 owe the current renaissance of the 9-+p+-+-+0 old gambit to Dubov and Adhiban. 9+-+-+-+-0 They were the first top grandmas- 9NzpLzPn+-+0 ters to embrace a new plan, based 9+-+-+N+-0 on 6.Be2! in 2018. Carlsen also 9PzP-+-zPPzP0 tried it twice recently, but it was a 9tR-vLQmK-+R0 pure improvisation, obviously not xiiiiiiiiy backed with deep home work. The Black’s knight can retreat to d6 or word about the new weapon against f6. I suggest the following rule: the Slav has been spreading around quickly, and I expect hundreds of We meet ...Nd6 by Bb3, Qc2. games in the next months. So we We meet ...Nf6 by Bd3, Qe2 (Re1). should grasp the chance to collect as many points as possible until Black I consider the first case in Game 2 has not found the best retorts. Basso-Brunello, Padova 2019. 7 Chapter 1 8...e6 9.0-0 Be7 followed by ...Nf6 17.Nxf7! Kxf7 (or 17...Rxf7 18.Bxe6) is more natural. Then we have two 18.Bxe6+ Ke8 19.Qh5+ (19.d5±) approaches. My main line is 10.Qe2 19...g6 20.Qxh7±. Nf6 11.Nc5 with typical play on the queenside. Karthik-Skoberne It is more tricky to attack the e6- Spilimbergo 2018 f7 complex with 10.Ne5 0-0 11.Re1 XIIIIIIIIY Nf6 12.Bg5. This plan is more like- 9rsnl+-trk+0 ly to award you with crushing vic- 9zp-+nwqpzpp0 tories right in the opening. Here is: 9-+p+p+-+0 9+-+-sN-+-0 A Practical Attacking Guide 9NzpLzP-+-+0 9+-+-+-+-0 Whenever Black’s c8-bishop loses 9PzP-+-zPPzP0 contact with e6, you should watch 9tR-+QtR-mK-0 for destructive sacrifices on e6/f7: xiiiiiiiiy 14.Nxf7!+– Kxf7 15.Rxe6. Analysis XIIIIIIIIY Analysis 9rsn-wq-trk+0 XIIIIIIIIY 9zpl+-vlpzpp0 9rsn-wq-trk+0 9-+p+psn-+0 9zp-+-vlpzpp0 9+-+-sN-vL-0 9-+p+p+l+0 9NzpLzP-+-+0 9+nsN-sN-+-0 9+-+-+-+-0 9-zp-zP-+P+0 9PzP-+-zPPzP0 9+L+-+-+-0 9tR-+QtR-mK-0 9PzP-+-zP-zP0 xiiiiiiiiy 9tR-vLQtR-mK-0 13.Nxf7! Rxf7 14.Bxe6 Bc8 15.Bxf7+ xiiiiiiiiy Kxf7 16.Bxf6 Bxf6 17.Qh5+ Kf8 15.Nxe6! fxe6 16.Nxg6 hxg6 17.Rxe6 18.d5 cxd5 19.Rad1+–.