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The CompleteBogo-Indian DefenseMaxim Chetverik

The Complete Bogo-Indian DefenseAuthor: Maxim ChetverikTranslated from the Russian by Ilan RubinTypesetting by Andrei Elkov (www.elkov.ru) LLC Elk and Ruby Publishing House, 2020. All rights reservedFollow us on Twitter: @ilan rubywww.elkandruby.comISBN 978-5-6041769-7-9

About the authorMaxim Chetverik, born in Voronezh in 1963, is one of Russia’s biggestchess opening experts. He has written books published in Russian, English,French and German on the Queen’s Indian Defense, Catalan Opening,English Opening, Benoni System, Queen’s Gambit Accepted, SicilianDefense, Petroff Defense, Dutch Defense, Alekhine Defense and AlbinCounter Gambit, as well as more general opening books, a book on middlegame strategy, and books on the games of Alekhine, Tal and Spassky.He became an International Master in 2003 and is a regular tournamentplayer to this day, as well as being a coach in his native Voronezh. Hisbest tournament results include Budapest Open, 1st place, 1996, Openchampionship of Slovan Club, Bratislava, 1st place, 1998, Prague Open,2nd equal, 2002, Kecskemet (Hungary) round robin tournament, 1st place,2003, Stuttgart Open, 2nd place, 2009, Yaroslavl Open, 3rd place, 2015,Olomouc (Czech Republic), 2nd place, 2017, and Heraklion (Greece), 2ndplace, 2019.

4CONTENTSHistorical Introduction . 5PART I. System with 3.g3 Eb4 . 18Introduction . 18Chapter 1. 4.Cd2 variation. 19Chapter 2. 4.Ed2 variation . 26PART II. System with 3.Cf3 Eb4 4.Cbd2 . 39Introduction . 39Chapter 3. Miscellaneous black replies . 40Chapter 4. 4 d5 variation . 51Chapter 5. 4 0-0 variation . 65Chapter 6. 4 b6 variation . 99PART III. System with 3.Cf3 Eb4 4.Ed2 .116Introduction .116Chapter 7. 4 Exd2 5.Cbxd2 variation.117Chapter 8. 4 Exd2 5.Ixd2 variation .123Chapter 9. Various after 4 c5 .134Chapter 10. Various after 4 c5 5.Exb4 cxb4.139Chapter 11. 4 c5 5.Exb4 cxb4 6.g3 variation .147Chapter 12. Various after 4 a5 .162Chapter 13. 4 a5 5.g3 d6 variation .172Chapter 14. 4 a5 5.g3 d5 variation .181Chapter 15. 4 a5 5.g3 b6 variation .188Chapter 16. Various after 4 Ie7.197Chapter 17. Various after 4 Ie7 5.g3 .212Chapter 18. 4 Ie7 5.g3 b6 variation .221Chapter 19. 4 Ie7 5.g3 Cc6 6.Eg2 variation .228Chapter 20. 4 Ie7 5.g3 Cc6 6.Cc3 variation .237Conclusions .250Players’ index .251

HISTORICAL INTRODUCTIONThe Bogo-Indian Defense is a relatively young opening. The first gameto be found in the database is that of Mackenzie – Noa (London 1883). Byan odd coincidence, Hungarian player Josef Noa also defended the honor ofthe black pieces in the earliest-known Queen’s Indian Defense (Blackburne– Noa, Frankfurt 1887). Unfortunately, the chess content of both games wassomewhat lackluster and so we are better off taking a time machine to the 20thcentury.The 10th game of the Rubinstein – Bogoljubov match (Gothenburg 1920)began with the following opening moves: 1.d4 Cf6 2.c4 e6 3.Cf3 Eb4 4.Ed2Exd2 5.Ixd2 b6 6.Cc3 Eb7 7.g3 0-0 8.Eg2 d6 9.0-0 Cbd7 10.Ic2 Ge8.This was a hybrid set-up that I review in chapter 12 of my book The Queen’sIndian Defense: Main Line 4.g3 System (published in 2018 by Elk and RubyPublishing House) in the move order 1.d4 Cf6 2.c4 e6 3.Cf3 b6 4.g3 Eb75.Eg2 Eb4 6.Ed2 Exd2 7.Ixd2. A fragment from this Rubinstein versusBogoljubov game is included in game 2 of that same book. However, count ofgames in the Bogo-Indian proper in the last century should really start fromthe later (tournament) game Bogoljubov – Seleznev (Gothenburg 1920). Itbegan 1.d4 Cf6 2.Cf3 e6 3.c4 Eb4 4.Ed2 Exd2 5.Cbxd2 c5 6.dxc5 Ia57.g3 Ixc5 8.Eg2 Cc6 9.a3 Ie7 10.0-0 0-0 11.e4 d6 12.Ge1 Ed7 13.b4 Gfd814.Ib3 Ee8, where black’s sole weakness was d6 and he had a solid position.White eventually won a long-drawn game. These Russian emigre masters EfimBogoljubov and Alexei Seleznev were friends and most probably discussedtheir game after it ended.We begin our analysis of historical games with a well-known battle won inbrilliant style by the future world champion.

6Historical IntroductionNo. 1 A. Alekhine – E. BogoljubovBudapest 19211.d4 Cf6 2.c4 e6 3.Cf3 Eb4 4.Ed2XIIIIIIIIY9rslwk -t09zpzp pzp09- - ps- 09 - - - -09-vPZ- - 09 - - N -09PZ-VPZPZ09TN QML R0xiiiiiiiiy4.Exd2 5.Ixd2 0-0Bogoljubov is no longer thinkinghere of playing a Queen’s IndianDefense – after 5.b6 apart from6.g3 black has to contend with6.Cc3 (game 53) with the idea of theadvances e2-e4 and d4-d5.6.Cc3 d5 7.e3XIIIIIIIIY9rslw-tk 09zpz- pzp09- - ps- 09 - p - -09- PZ- - 09 -S-ZN -09PZ-W-ZPZ09T- -ML R0xiiiiiiiiyThe pawn structure is mostlysettled, and is the same as that seenin the orthodox Queen’s Gambit.The exchange of the dark-squaredbishops should in theory favorwhite, though one should not forgetthe advantageous role played bysimplifications in cramped positions.7.Cbd7The setup 7.Ie7 and Gf8-d8 isconsidered in chapter 8 (games 56and 57).8.Ed3The exchange 8.cxd5 exd5 isstructurally close to game 56.8.c6 9.0-0Alekhine believed that thisstandard castling enabled blackto gain equal play by opening thecenter and hence recommendedthe prophylactic 9.Gd1 (which hasnot been tested). The continuation9.0-0-0 Ie7 10.e4 dxe4 11.Cxe4c5 12.Ghe1 cxd4 13.Cxd4 Cxe414.Exe4 Cf6 15.Ec2 was met in thegame A. Grigoryan – Tomov (Bansko2010). Now 15.Ic5!? supports thecompletion of development after 16.b6 or an attack against the white kingwith a7-a6 and b7-b5.9.dxc4 10.Exc4XIIIIIIIIY9r lw-tk 09zp n pzp09- p ps- 09 - - - -09- LZ- - 09 -S-ZN -09PZ-W-ZPZ09T- - RM-0xiiiiiiiiy10.e5!This break is possible due to theinterim exchange with check – 11.dxe5Cxe5! 12.Ixd8 Cxf3 13.gxf3 Gxd8.

7Historical Introduction11.Eb3The bishop evades the attackCd7-b6 and protects against e5-e4 (asblack loses the pawn after Cf3-g5 andEb3-c2). The sacrifice 11.Exf7 !?is only enough to draw (as correctlypointed out by Alekhine): 11.Gxf7(11.Kxf7 12.dxe5 Cg4 13.Gad1Ie7 14.e6 ! Kxe6 15.Id4 Cge516.Cxe5 Cxe5 17.f4 places the blackking in danger) 12.dxe5 Cg4 13.e6Gxf3! 14.exd7 Exd7 15.gxf3 Cxh2!16.Kxh2 Ih4 .11.Ie7?!Thus far, Alekhine’s annotationsto the game are comprehensive andobjective. He compares the potentialof the opposing pawn groups and majorpieces on the open file. Each side’spotential proved to be equal in the latergame Johner – Gruenfeld (Piestany1922): 11.exd4 12.Ixd4 Ib6 13.If4Cc5 14.Ca4 Cxa4 15.Ixa4 Ef5.12.e4 exd4 13.Cxd4 Cc514.Ec2 Gd8 15.Gad1 Eg4 16.f3Ce6 17.If2 Cxd4 18.Gxd4 Ee619.Gfd1 b6 20.h3XIIIIIIIIY9r -t- k 09z- -wpzp09-zp ls- 09 - - - -09- -TP - 09 -S- P P09PZL -WP 09 - R -M-0xiiiiiiiiy“The game is practically over”(Alekhine). A premature verdict, asblack is ready both to fight for theopen file and cope with the enemypawn storm. The position after 20.Ch5 21.e5 c5 22.Gxd8 Gxd8 23.f4g6 is defendable.20.c5?! 21.G4d2 Gxd2 22.Ixd2c4?Here the pawn is vulnerable,whereas the white queen gains anexcellent square in the center fromwhere it can support the pawn bind.Alekhine suggested the best defensiveapproach – 22.Ce8 and f7-f6 withchances of saving the game.23.f4 g6 24.Id4 Gc8 25.g4 Exg426.hxg4 Cxg4 27.Kg2 h5 28.Cd5Ih4 29.Gh1 Id8 30.Ed1Black resigned.Bogoljubov began to activelypromote the opening named afterhim, and with both colors. In thegame Bogoljubov – Walter (Ostrava1923) white introduced the move4.Cbd2. That game wasn’t of interest,however, and I prefer a slightly laterexample from Bogoljubov’s career.No. 2 E. Bogoljubov – W. WinterLondon 19271.d4 Cf6 2.Cf3 e6 3.c4 Eb4 4.Cbd2XIIIIIIIIY9rslwk -t09zpzp pzp09- - ps- 09 - - - -09-vPZ- - 09 - - N -09PZ-SPZPZ09T-VQML R0xiiiiiiiiy

242PART III. System with 3.Cf3 Eb4 4.Ed2Thecomputerrecommends21.fxe4 22.Cd2 e3 23.Ixe3 Ed724.Ce4 b5, and white’s activity is notworth more than the sacrificed pawn.22.Eh3 Gc8 23.Exf5 Exf524.exf5 Gxc7 25.Gxc7 Gc8 26.Gxb7Ixb6 27.Gxb6 Kf8 28.Gb5Gc5XIIIIIIIIY9- - -m- 09 - - nzp09- -z- - 09zRtPzP -09- - - - 09 - - NZ-09-Z- -Z-Z09 - - -M-0xiiiiiiiiy29.Gb8 White’s pawns are too weakto give him real winning chances.Nevertheless, he should have testedthe knight endgame after 29.Gxc5dxc5 30.Cd2.29.Ke7 30.Gb7 Ke8 31.Gb6Ke7 32.Gb7 Ke8 33.h4 Gxd534.Cg5 Cxg5 35.hxg5 g6 36.fxg6hxg6 37.Gg7 Gb5 38.Gxg6 Ke739.Gg7 Ke6 40.Ga7 Kf5 41.Ga6Gd5 42.Gb6 Kxg5 43.b4 axb444.Gxb4Draw agreed.No. 111 A. Delchev –J. Campos MorenoBarcelona 20191.d4 Cf6 2.c4 e6 3.Cf3 Eb4 4.Ed2 Ie7 5.g3 Cc6 6.Cc3 0-07.Eg2 Exc3 8.Exc3 Ce4 9.Gc1XIIIIIIIIY9r l -tk 09zpzpwpzp09- n p - 09 - - - -09- PZn - 09 -V- NZ-09PZ- PZLZ09 -TQM- R0xiiiiiiiiyIn this and the following gameswhite protects his bishop with hisrook (usually on move 8, without theadditional moves 6.0-0 7.Eg2). Inthis example, black rejected Ce4xc3.9.d6If 9.a5 10.0-0 d6 it makes senseto avoid exchanging the bishop via11.Ee1. Further, the game Postny –Schmitz (Bad Wiessee 2013) continued11.f5 12.d5 Cb8 13.dxe6 Exe614.Cd2 Cc5 15.Cb3 Cxb3 16.Ixb3c6 17.Ie3 Cd7 18.Ec3 with a tangibleadvantage thanks to the bishop pair.10.d5 Cd8If black waits to exchange with10.Cb8 11.dxe6 then he has theoption of 11.Exe6 12.Cd4 Ed7 (butnot 12.Exc4? 13.Cf5). If 13.0-0black can count on equality via 13.Ge814.Cb5 Ec6.XIIIIIIIIY9r ls-tk 09zpz-wpzp09- -zp - 09 - P - -09- P n - 09 -V- NZ-09PZ- PZLZ09 -TQM- R0xiiiiiiiiy

Chapter 20. 4.Ie7 5.g3 Cc6 6.Cc3 variation11.0-0Let’s see what happens if whiteevades the exchange with 11.Eb4.The game Rombaldoni – Caruana(Bratto 2006) continued 11.a512.Ea3 e5 13.Cd2 Cxd2 14.Ixd2b6 15.0-0 Cb7 16.b3 Cc5 (theknight has reached a nice outpostvia a slightly unusual route)17.Eb2 Ef5 18.h3 Eg6 19.Kh2f5. The bishops haven’t achievedanything and the game should endin a draw.The continuation 11.dxe6 Cxe612.Eb4 was introduced by a youngKramnik in 1992, but black soonfound strong counter arguments. Asan example see the game Chetverik– Loginov (Zalakaros 1994): 12.a5 13.Ea3 f5 14.0-0 Kh8 15.b3 b616.Eb2 Eb7 17.Cd4 Cxd4 18.Ixd4Gf6 19.Gcd1 Ge6 20.Gfe1?! (hereand earlier the prophylaxis e2-e3is useful) 20.Gf8 21.Ef3 (21.e3c5! 22.Id3 Cg5) 21.f4 with aninitiative for black.11.e5 12.c5 f5 13.cxd6 cxd614.Cd2Let’s try 14.Eb4 in the changedstructure: 14.Cf7 15.a4 b6 16.a5Cc5 17.Ea3 Ed7 18.Cd2 Gfc819.b4 Ea4 20.Ie1 Cd7 21.Cb1 Cf622.Id2 Eb5 23.Eb2 bxa5 24.bxa5Gab8 25.Ca3 Ea6 26.Gxc8 Gxc827.Cc2, and a draw (Korchnoi–Loginov,Moscow1994).Grandmaster Loginov, a knownexpert in this variation, extinguishedhis opponent’s ambitions on thequeenside in exemplary fashion.14.Cxd2 15.Exd2243XIIIIIIIIY9r ls-tk 09zp -w-zp09- -z- - 09 - Pzp -09- - - - 09 - - -Z-09PZ-VPZLZ09 -TQ RM-0xiiiiiiiiy15.f4If 15.b6 16.Gc3 Eb7 17.Ib3e4 18.f3 the vulnerability of the d5pawn cannot be exploited. Any blackactivity on the kingside promisesnothing either.16.gxf4 exf4 17.Gc4 Ig518.Kh1?!He should have taken control ofthe third rank via 18.Ib3 thanksto the nice tactic 18.Eg4 19.Gxf4!Gxf4 20.Ig3. Now it’s black who hasa tactical opportunity.18.Eh3! 19.Exh3 Ixd5 20.Eg2 f3This is to capture the rook after21.Exf3 (lengthening the operatingreach along the file of the f8 rook).The variation 20.Ixc4 21.Ec3 Gf522.Ixd6 f3 23.exf3 If4 leads tounclear consequences.21.Gg4!? fxg2 22.Gxg2 Ce623.Eb4 Ixa2 24.Ixd6 Gf725.Ec3 Gd8 26.Ib4 Id5 27.f3Gdd7 28.Gg4 b6 29.Gfg1 h6 30.Ge4Cf8Instead of the knight’s unjustifiedretreat 30.Gf5 was better, in order toneutralize the dangerous rook on g1from the g5 square.31.Ge5 Id6 32.Ic4 Gc7?

244PART III. System with 3.Cf3 Eb4 4.Ed2It’s not easy for white to extendhis advantage once black movesout of the pin with 32.Kh7. Thisbig blunder was likely due to timetrouble.b6? 27.Cd6. Black of course playedweakly, but the reputation of themaneuver Cc6-b4-a6 is generallypretty poor.10.Gxc3 d6XIIIIIIIIY9- - -sk 09z-t- rz-09-z-w- -z09 - -T- -09- Q - - 09 -V- P -09-Z- P -Z09 - - -TK0xiiiiiiiiyXIIIIIIIIY9r l -tk 09zpz-wpzp09- nzp - 09 - - - -09- PZ- - 09 -T- NZ-09PZ- PZLZ09 - QM- R0xiiiiiiiiy33.Gxg7 ! Kxg7 34.Ge7 Black resigned.No. 112 R. Markus – E. TothHungary 20141.d4 Cf6 2.c4 e6 3.Cf3 Eb4 4.Ed2 Ie7 5.g3 Cc6 6.Cc3 0-07.Eg2 Exc3 8.Exc3 Ce4 9.Gc1Cxc3Black occasionally continues9.a5, which supports the sortieCc6-b4. However, the knight getschased from b4 to a6, and in the gameProhaszka – Tratar (Sarajevo 2010)it was stuck there until the end:10.0-0 Cxc3 11.Gxc3 d6 12.d5 Cb413.a3 Ca6 14.dxe6 fxe6 15.Cd4 c616.Ge3 Ed7 17.f4 Gae8 18.Cf3Ec8 19.Ic2 Ic7 (if 19.Id8 thevariation from this game wouldn’thave worked due to the hangingknight on g5) 20.Cg5 g6 21.Ic3e5 22.fxe5 Gxf1 23.Exf1 Gxe524.Gxe5 dxe5 25.c5 Kg7? 26.Ce411.d5Here we view the plan to captured5xe6.11.Cb8After 11.Cd8 12.dxe6 fxe613.0-0 e5 14.c5 black’s camp lackscoordination, whereas 12.Cxe6looks solid. Even a worse endgameafter 13.0-0 Ed7 (13.If6!? notallowing white’s knight to get to thecenter) 14.Cd4 Cxd4 15.Ixd4 Ixe2(not forced and 15.Ec6 was solid)16.Ge3 Ig4 17.Ixg4 Exg4 18.Ge7Gab8 19.Gxc7 Gfc8 20.Gxc8 Gxc821.b3 b6 and black defends easily(Arkell – Vlassov, Marianske Lazne2016).12.dxe6 fxe6 13.Cd4This prevents 13.Cd7 in view of14.Cxe6! In the later game Markus– S. Popov (Kragujevac 2016)white allowed the enemy knight totravel to f6 and he retained a smalladvantage after 13.0-0 Cd7 14.Cd4Cf6 15.Id2 e5 16.Cc2 Ee6 17.Ce3

248PART III. System with 3.Cf3 Eb4 4.Ed2f3 54.Ke6 Kg8 55.Ke5 Kh856.Gf7 Ge8 57.Ee6Black resigned.No. 114 M. Lagarde – S. SchneiderRhodes 20131.d4 e6 2.Cf3 Cf6 3.c4 Eb4 4.Ed2 Ie7 5.g3 Cc6 6.Cc3 Exc37.Exc3 Ce4 8.Gc1 0-0 9.Eg2 d610.0-0 Cxc3 11.Gxc3 e5 12.d5 Cb8XIIIIIIIIY9rsl -tk 09zpz-wpzp09- -z- - 09 - Pz- -09- P - - 09 -T- NZ-09PZ- PZLZ09 - Q RM-0xiiiiiiiiy13.b4White aims to break with c4-c5supported by his b-pawn, as after13.c5 Ca6 14.cxd6 cxd6 15.Cd2Ed7 the c-file is opened too early,and black will not concede it. Thesame has happened in practice after13.Ic2 a5 14.c5 Ca6 15.cxd6 cxd616.Cd2 b5 17.Gc1 Ed7.The more flexible continuation13.Cd2 after 13.a5 offers white theopportunity to play 14.f4!?, while if14.c5 Ca6 15.cxd6 cxd6 it’s usefulto bring the knight into play, insteadof building a harmless battery withmajor pieces. After the complicatedcontinuation 16.Cc4 Id8 17.Ib3 Cc518.Ib6 Ca4 19.Ixd6 Cxc3 20.bxc3Ixd6 21.Cxd6 f6 22.c4 (Gupta –Amin, Dubai 2012) 22.Gd8 23.c5 b6the initiative gained at the cost of theexchange is only sufficient to draw.13.Eg4If 13.a5 then the pin 14.Ga3!?has proved a good answer. Inthe game Chetverik – Passchyn(Geraardsbergen 2019) after 14.b6 15.Cd2 Ca6?! 16.bxa5 Cc517.Cb3 Cxb3 18.axb3 bxa5 19.Id2white won a pawn without any clearcompensation for black. After thebetter 15.Cd7 white still retainssome initiative on the queenside.14.Ic2The standard break c4-c5 hasbeen carried out several times withsupport from a knight via 14.Cd2Cd7 15.Cb3 b6. After 16.c5 a517.Gc4 Cf6 18.h3 Eh5 19.cxd6 cxd620.b5 Cd7 (Fridman – Timoshenko,Eforie Nord 2009) the rook’s invasionis harmless, and the players soonexhausted their fighting resources.14.a5 15.a3 axb4 16.axb4 Exf317.Exf3XIIIIIIIIY9rs- -tk 09 pz-wpzp09- -z- - 09 - Pz- -09-ZP - - 09 -T- LZ-09- Q PZ-Z09 - - RM-0xiiiiiiiiy17.Id7An unexpected and ratherquestionable decision by black. If17.b6 18.e4 c5 19.b5 Ia7 white’s

Chapter 20. 4.Ie7 5.g3 Cc6 6.Cc3 variationspatial advantage didn’t promise himanything real.18.Gb1 Ia4 19.Ic1The principled continuation was19.c5 Ixc2 20.Gxc2 f5. Black hasfreed the f7 square for his rook in theevent the c-file is immediately opened,but white can gradually improve hisposition with 21.e3 Ga3 22.Ee2.19.Cd7 20.e4 Cf6 21.g4 Id722.h3 h6 23.c5 Id8XIIIIIIIIY9r -w-tk 09 pz- pz-09- -z-s-z09 -ZPz- -09-Z- P P 09 -T- L P09- - -Z- 09 RW- -M-0xiiiiiiiiy24.g5The young French grandmasterplaying white tries to outplay hisweaker opponent in a sharp struggle,given that quiet continuations (suchas 24.Ga3) promise nothing morethan equality.24.hxg525.Ixg5Id726.Eg2 Ch7 27.Id2 Id8 28.Gg3If6 29.Gbb3 Ga1 30.Kh2 If431.Ixf4 exf4 32.Ggf332.Ggc3 Ga2 33.b5 dxc5 34.Gxc5Gxf2 35.Gxc7 Ga8 leads to a draw, andLagarde attempts a rook adventurefrom the edge of the board.32.g5 33.Ga3 Ge1 34.Ga7 Cf635.Gxb7?White has crossed a bridge too far.The right continuation was 35.Gfa3,249in order to exchange one rook pairand thereby neutralize his opponent’scounterplay on the kingside.35.Kg7 36.Eh1 Gh8XIIIIIIIIY9- - - -t09 Rz- pm-09- -z-s- 09 -ZP -z-09-Z- Pz- 09 - - R P09- - -Z-M09 - -t- L0xiiiiiiiiy37.Kg2Now compared with the variation37.Gxc7 Cg4 38.Kg2 Ce5 theknight alters its victory march.KEY TIP. The knight’s triumphover the fianchettoed bishop isnotable, and this is frequently foundin the Bogo-Indian Defense. Whiteshould weigh up carefully whetherhe wants to create a strong pawnchain with d5-e4, only to suffer forhis efforts with his bishop.37.Cxe4 38.Gxc7 Cd2 39.Gd3f3 40.Kg3 Gxh1 41.Gxd2 G1xh3 White resigned.This final chapter contained whatis considered to be the main line of theBogo-Indian Defense. On the whole,white’s position is preferable, but thevariety of possible structures and plansthat arise promises further deepeningof the 6.Cc3 system and, hence,potential changes to evaluations.

251Players’ index(the number refers to the game number; games in white are highlighted in bold)Adianto – 106Akopian – 65Alekhine – 1, 3Alekseev – 30Al Sayed – 64Amin – 40, 64Andreikin – 55Antipov – 34Anton – 75Babula – 65, 79Bachmann – 69Balleisen – 72Banikas – 16, 76Banusz – 59Basso – 61Bocharov – 37Boensch – 42Bogdanovich – 12, 24Bogoljubov – 1, 2Borsuk – 12Brown – 71Campos Moreno – 111Caruana – 26Chadaev – 41Chetverik – 86Cori – 97Delchev – 111Ding Liren – 40Dobrov – 83Donchenko – 7Druska – 58Drygalov – 24Duda – 43El Debs – 105Eljanov – 8, 74, 113Enchev – 100Eriksson – 99Esipenko – 49Farago – 82, 103Fedorchuk – 56, 85Fernandez – 94Ftacnik – 42Gaehwiler – 51Ganguly – 27Gareev – 36, 49Gelfand – 37Georgiev – 109Gerasimov – 41Ghaem Maghami – 53Gheorghiu – 77Gipslis – 88Gleizerov – 9Gmeiner – 84Golubka – 96Gonda – 60Gonzalez Zamora – 67Gunina – 11Haba – 45Halkias – 95Harsha – 46Hartl – 63Hernandez Carmenates – 101Hertneck – 107, 108Hess – 17Hillarp Persson – 99Hjartarson – 44, 47Holzhaeuer – 90Hutois – 100Illner – 60Ionov

French and German on the Queen’s Indian Defense, Catalan Opening, English Opening, Benoni System, Queen’s Gambit Accepted, Sicilian Defense, Petroff Defense, Dutch Defense, Alekhine Defense and Albin Counter Gambit, as well as more general opening books, a book on middle-game strategy, and books on the games of Alekhine, Tal and Spassky.

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