S A E L A



A00 Polish (Sokolsky) opening
A00 Polish Tuebingen variation
A00 Polish Outflank variation
A00 Benko's opening
A00 Lasker simul special
A00 Benko's opening reversed Alekhine
A00 Grob's attack
A00 Grob spike attack
A00 Grob Fritz gambit
A00 Grob Romford counter-gambit
A00 Clemenz (Mead's, Basman's or de Klerk's) opening
A00 Global opening
A00 Amar (Paris) opening
A00 Amar gambit
A00 Dunst (Sleipner, Heinrichsen) opening
A00 Dunst (Sleipner,Heinrichsen) opening
A00 Battambang opening
A00 Novosibirsk opening
A00 Anderssen's opening
A00 Ware (Meadow Hay) opening
A00 Crab opening
A00 Saragossa opening
A00 Mieses opening
A00 Mieses opening
A00 Valencia opening
A00 Venezolana opening
A00 Van't Kruijs opening
A00 Amsterdam attack
A00 Gedult's opening
A00 Hammerschlag (Fried fox/Pork chop opening)
A00 Anti-Borg (Desprez) opening
A00 Durkin's attack
A01 Nimzovich-Larsen attack
A01 Nimzovich-Larsen attack modern variation
A01 Nimzovich-Larsen attack Indian variation
A01 Nimzovich-Larsen attack classical variation
A01 Nimzovich-Larsen attack English variation
A01 Nimzovich-Larsen attack Dutch variation
A01 Nimzovich-Larsen attack Polish variation
A01 Nimzovich-Larsen attack symmetrical variation
A02 Bird's opening
A02 Bird From gambit
A02 Bird From gambit, Lasker variation
A02 Bird From gambit, Lipke variation
A02 Bird's opening, Swiss gambit
A02 Bird Hobbs gambit
A03 Bird's opening
A03 Mujannah opening
A03 Bird's opening Williams gambit
A03 Bird's opening Lasker variation
A04 Reti opening
A04 Reti v Dutch
A04 Reti Pirc-Lisitsin gambit
A04 Reti Lisitsin gambit deferred
A04 Reti opening
A04 Reti Wade defence
A04 Reti Herrstroem gambit
A05 Reti opening
A05 Reti King's Indian attack, Spassky's variation
A05 Reti King's Indian attack
A05 Reti King's Indian attack, Reti-Smyslov variation
A06 Reti opening
A06 Reti old Indian attack
A06 Santasiere's folly
A06 Tennison (Lemberg, Zukertort) gambit
A06 Reti Nimzovich-Larsen attack
A07 Reti King's Indian attack (Barcza system)
A07 Reti King's Indian attack, Yugoslav variation
A07 Reti King's Indian attack, Keres variation
A07 Reti King's Indian attack
A07 Reti King's Indian attack, Pachman system
A07 Reti King's Indian attack (with ...c5)
A08 Reti King's Indian attack
A08 Reti King's Indian attack, French variation
A09 Reti opening
A09 Reti advance variation
A09 Reti accepted
A09 Reti accepted Keres variation
A10 English opening
A10 English opening
A10 English Adorjan defence
A10 English Jaenisch gambit
A10 English Anglo-Dutch defense
A11 English Caro-Kann defensive system
A12 English Caro-Kann defensive system
A12 English Torre defensive system
A12 English London defensive system
A12 English Caro-Kann defensive system
A12 English Bled variation
A12 English New York (London) defensive system
A12 English Capablanca's variation
A12 English Caro-Kann defensive system, Bogolyubov variation
A13 English opening
A13 English Romanishin gambit
A13 English opening Agincourt variation
A13 English Wimpey system
A13 English opening Agincourt variation
A13 English Kurajica defence
A13 English Neo-Catalan
A13 English Neo-Catalan accepted
A14 English Neo-Catalan declined
A14 English Symmetrical, Keres defence
A15 English, 1...Nf6 (Anglo-Indian defense)
A15 English orang-utan
A15 English opening
A16 English opening
A16 English Anglo-Gruenfeld defense
A16 English Anglo-Gruenfeld, Smyslov defense
A16 English Anglo-Gruenfeld, Czech defense
A16 English Anglo-Gruenfeld defense
A16 English Anglo-Gruenfeld defense, Korchnoi variation
A17 English opening
A17 English Queens Indian formation
A17 English Queens Indian, Romanishin variation
A17 English Nimzo-English opening
A18 English Mikenas-Carls variation
A18 English Mikenas-Carls, Flohr variation
A18 English Mikenas-Carls, Kevitz variation
A19 English Mikenas-Carls, Sicilian variation
A20 English opening
A20 English, Nimzovich variation
A20 English, Nimzovich, Flohr variation
A21 English opening
A21 English, Troeger defence
A21 English, Keres variation
A21 English opening
A21 English, Smyslov defence
A21 English, Kramnik-Shirov counterattack
A22 English opening
A22 English Bellon gambit
A22 English Carls' Bremen system
A22 English Bremen, reverse dragon
A22 English Bremen, Smyslov system
A23 English Bremen system, Keres variation
A24 English Bremen system with ...g6
A25 English Sicilian reversed
A25 English closed system
A25 English closed, Taimanov variation
A25 English closed, Hort variation
A25 English closed, 5.Rb1
A25 English closed, 5.Rb1 Taimanov variation
A25 English closed system (without ...d6)
A26 English closed system
A26 English Botvinnik system
A27 English three knights system
A28 English four knights system
A28 English Nenarokov variation
A28 English Bradley Beach variation
A28 English four knights, Nimzovich variation
A28 English four knights, Marini variation
A28 English four knights, Capablanca variation
A28 English four knights, 4.e3
A28 English four knights, Stean variation
A28 English four knights, Romanishin variation
A29 English four knights, kingside fianchetto
A30 English symmetrical variation
A30 English symmetrical, hedgehog system
A30 English symmetrical, hedgehog, flexible formation
A31 English symmetrical, Benoni formation
A32 English symmetrical variation
A33 English symmetrical variation
A33 English symmetrical, Geller variation
A34 English symmetrical variation
A34 English symmetrical, three knights system
A34 English symmetrical variation
A34 English symmetrical, Rubinstein system
A35 English symmetrical variation
A35 English symmetrical, four knights system
A36 English symmetrical variation
A36 English ultra-symmetrical variation
A36 English symmetrical, Botvinnik system reversed
A36 English symmetrical, Botvinnik system
A37 English symmetrical variation
A37 English symmetrical, Botvinnik system reversed
A38 English symmetrical variation
A38 English symmetrical, main line with d3
A38 English symmetrical, main line with b3
A39 English symmetrical, main line with d4
A40 Queen's pawn
A40 Queen's pawn Lundin (Kevitz-Mikenas) defence
A40 Queen's pawn Charlick (Englund) gambit
A40 Queen's pawn Englund gambit
A40 Queen's pawn English defence
A40 Polish defence
A40 Queen's pawn
A40 Queen's pawn Keres defence
A40 Queen's pawn Franco-Indian (Keres) defence
A40 Modern defence
A40 Beefeater defence
A41 Queen's Pawn
A41 Old Indian Tartakower (Wade) variation
A41 Old Indian defence
A41 Modern defence
A41 Robatsch defence Rossolimo variation
A42 Modern defence Averbakh system
A42 Pterodactyl defence
A42 Modern defence Averbakh system, Randspringer variation
A42 Modern defence Averbakh system, Kotov variation
A43 Old Benoni defence
A43 Old Benoni Franco-Benoni defence
A43 Old Benoni Mujannah formation
A43 Old Benoni defence
A43 Woozle defence
A43 Old Benoni defence
A43 Hawk (Habichd) defence
A43 Old Benoni defence
A43 Old Benoni Schmid's system
A44 Old Benoni defence
A44 Semi-Benoni (`blockade variation')
A45 Queen's pawn game
A45 Queen's pawn Bronstein gambit
A45 Canard opening
A45 Paleface attack
A45 Blackmar-Diemer gambit
A45 Gedult attack
A45 Trompovsky attack (Ruth, Opovcensky opening)
A46 Queen's pawn game
A46 Queen's pawn Torre attack
A46 Queen's pawn Torre attack, Wagner gambit
A46 Queen's pawn Yusupov-Rubinstein system
A46 Doery defence
A47 Queen's Indian defence
A47 Queen's Indian Marienbad system
A47 Queen's Indian Marienbad system, Berg variation
A48 King's Indian East Indian defence
A48 King's Indian Torre attack
A48 King's Indian London system
A49 King's Indian fianchetto without c4
A50 Queen's pawn game
A50 Kevitz-Trajkovich defence
A50 Queen's Indian accelerated
A51 Budapest defence declined
A51 Budapest Fajarowicz variation
A51 Budapest Fajarowicz, Steiner variation
A52 Budapest defence
A52 Budapest Adler variation
A52 Budapest Rubinstein variation
A52 Budapest Alekhine variation
A52 Budapest Alekhine, Abonyi variation
A52 Budapest Alekhine variation, Balogh gambit
A53 Old Indian defence
A53 Old Indian Janowski variation
A54 Old Indian Ukrainian variation
A54 Old Indian Dus-Khotimirsky variation
A54 Old Indian Ukrainian variation, 4.Nf3
A55 Old Indian main line
A56 Benoni defence
A56 Benoni defence, Hromodka system
A56 Vulture defence
A56 Czech Benoni defence
A56 Czech Benoni King's Indian system
A57 Benko gambit
A57 Benko gambit half accepted
A57 Benko gambit Zaitsev system
A57 Benko gambit Nescafe Frappe attack
A58 Benko gambit accepted
A58 Benko gambit Nd2 variation
A58 Benko gambit fianchetto variation
A59 Benko gambit 7.e4
A59 Benko gambit Ne2 variation
A59 Benko gambit
A59 Benko gambit main line
A60 Benoni defence
A61 Benoni defence
A61 Benoni Uhlmann variation
A61 Benoni Nimzovich (knight's tour) variation
A61 Benoni fianchetto variation
A62 Benoni fianchetto variation
A63 Benoni fianchetto, 9...Nbd7
A64 Benoni fianchetto, 11...Re8
A65 Benoni 6.e4
A66 Benoni pawn storm variation
A66 Benoni Mikenas variation
A67 Benoni Taimanov variation
A68 Benoni four pawns attack
A69 Benoni four pawns attack, main line
A70 Benoni classical with e4 and Nf3
A70 Benoni classical without 9.O-O
A71 Benoni classical, 8.Bg5
A72 Benoni classical without 9.O-O
A73 Benoni classical, 9.O-O
A74 Benoni classical, 9...a6, 10.a4
A75 Benoni classical with ...a6 and 10...Bg4
A76 Benoni classical, 9...Re8
A77 Benoni classical, 9...Re8, 10.Nd2
A78 Benoni classical with ...Re8 and ...Na6
A79 Benoni classical, 11.f3
A80 Dutch
A80 Dutch, Spielmann gambit
A80 Dutch, Manhattan (Alapin, Ulvestad) variation
A80 Dutch, Von Pretzel gambit
A80 Dutch, Korchnoi attack
A80 Dutch, Krejcik gambit
A80 Dutch, 2.Bg5 variation
A81 Dutch defence
A81 Dutch defence, Blackburne variation
A81 Dutch defence
A81 Dutch Leningrad, Basman system
A81 Dutch Leningrad, Karlsbad variation
A82 Dutch Staunton gambit
A82 Dutch Balogh defence
A82 Dutch Staunton gambit
A82 Dutch Staunton gambit, Tartakower variation
A83 Dutch Staunton gambit, Staunton's line
A83 Dutch Staunton gambit, Alekhine variation
A83 Dutch Staunton gambit, Lasker variation
A83 Dutch Staunton gambit, Chigorin variation
A83 Dutch Staunton gambit, Nimzovich variation
A84 Dutch defence
A84 Dutch defence Bladel variation
A84 Dutch defence
A84 Dutch defence, Rubinstein variation
A84 Dutch Staunton gambit deferred
A84 Dutch defence
A85 Dutch with c4 & Nc3
A86 Dutch with c4 & g3
A86 Dutch Hort-Antoshin system
A86 Dutch Leningrad variation
A87 Dutch Leningrad, main variation
A88 Dutch Leningrad, main variation with c6
A89 Dutch Leningrad, main variation with Nc6
A90 Dutch defence
A90 Dutch defence Dutch-Indian (Nimzo-Dutch) variation
A90 Dutch-Indian, Alekhine variation
A91 Dutch defence
A92 Dutch defence
A92 Dutch defence, Alekhine variation
A92 Dutch stonewall variation
A92 Dutch stonewall with Nc3
A93 Dutch stonewall, Botwinnik variation
A94 Dutch stonewall with Ba3
A95 Dutch stonewall with Nc3
A95 Dutch stonewall Chekhover variation
A96 Dutch classical variation
A97 Dutch Ilyin-Genevsky variation
A97 Dutch Ilyin-Genevsky, Winter variation
A98 Dutch Ilyin-Genevsky variation with Qc2
A99 Dutch Ilyin-Genevsky variation with b3
B00 King's pawn opening
B00 Hippopotamus defence
B00 Corn stalk defence
B00 Lemming defence
B00 Fred
B00 Barnes defence
B00 Fried fox defence
B00 Carr's defence
B00 Reversed Grob (Borg/Basman defence/macho Grob)
B00 St. George (Baker) defence
B00 Owen defence
B00 Guatemala defence
B00 KP Nimzovich defence
B00 KP Nimzovich defence, Wheeler gambit
B00 KP Nimzovich defence
B00 KP Colorado counter
B00 KP Nimzovich defence
B00 KP Nimzovich defence, Marshall gambit
B00 KP Nimzovich defence, Bogolyubov variation
B00 KP Neo-Mongoloid defence
B01 Scandinavian (centre counter) defence
B01 Scandinavian defence, Lasker variation
B01 Scandinavian defence
B01 Scandinavian defence, Gruenfeld variation
B01 Scandinavian Anderssen counter-attack
B01 Scandinavian Anderssen counter-attack orthodox attack
B01 Scandinavian Anderssen counter-attack, Goteborg system
B01 Scandinavian Anderssen counter-attack, Collijn variation
B01 Scandinavian, Mieses-Kotrvc gambit
B01 Scandinavian Pytel-Wade variation
B01 Scandinavian defence
B01 Scandinavian Icelandic gambit
B01 Scandinavian gambit
B01 Scandinavian defence
B01 Scandinavian Marshall variation
B01 Scandinavian Kiel variation
B01 Scandinavian Richter variation
B02 Alekhine's defence
B02 Alekhine's defence Scandinavian variation
B02 Alekhine's defence Spielmann variation
B02 Alekhine's defence Maroczy variation
B02 Alekhine's defence Krejcik variation
B02 Alekhine's defence Mokele Mbembe (Buecker) variation
B02 Alekhine's defence Brooklyn defence
B02 Alekhine's defence
B02 Alekhine's defence Kmoch variation
B02 Alekhine's defence Saemisch attack
B02 Alekhine's defence Welling variation
B02 Alekhine's defence
B02 Alekhine's defence Steiner variation
B02 Alekhine's defence two pawns' (Lasker's) attack
B02 Alekhine's defence two pawns' attack, Mikenas variation
B03 Alekhine's defence
B03 Alekhine's defence O'Sullivan gambit
B03 Alekhine's defence
B03 Alekhine's defence Balogh variation
B03 Alekhine's defence
B03 Alekhine's defence exchange variation
B03 Alekhine's defence exchange, Karpov variation
B03 Alekhine's defence four pawns attack
B03 Alekhine's defence four pawns attack, Korchnoi variation
B03 Alekhine's defence four pawns attack, 6...Nc6
B03 Alekhine's defence four pawns attack, Ilyin-Genevsky var.
B03 Alekhine's defence four pawns attack, 7.Be3
B03 Alekhine's defence four pawns attack, Tartakower variation
B03 Alekhine's defence four pawns attack, Planinc variation
B03 Alekhine's defence four pawns attack, fianchetto variation
B03 Alekhine's defence four pawns attack, Trifunovic variation
B04 Alekhine's defence modern variation
B04 Alekhine's defence modern, Larsen variation
B04 Alekhine's defence modern, Schmid variation
B04 Alekhine's defence modern, fianchetto variation
B04 Alekhine's defence modern, Keres variation
B05 Alekhine's defence modern variation, 4...Bg4
B05 Alekhine's defence modern, Flohr variation
B05 Alekhine's defence modern, Panov variation
B05 Alekhine's defence modern, Alekhine variation
B05 Alekhine's defence modern, Vitolins attack
B06 Robatsch (modern) defence
B06 Norwegian defence
B06 Robatsch (modern) defence
B06 Robatsch defence three pawns attack
B06 Robatsch defence
B06 Robatsch defence Gurgenidze variation
B06 Robatsch (modern) defence
B06 Robatsch defence two knights variation
B06 Robatsch defence two knights, Suttles variation
B06 Robatsch defence Pseudo-Austrian attack
B07 Pirc defence
B07 Pirc Ufimtsev-Pytel variation
B07 Pirc defence
B07 Pirc 150 attack
B07 Pirc Sveshnikov system
B07 Pirc Holmov system
B07 Pirc Byrne variation
B07 Pirc defence
B07 Pirc Chinese variation
B07 Pirc bayonet (Mariotti) attack
B07 Robatsch defence Geller's system
B08 Pirc classical (two knights) system
B08 Pirc classical (two knights) system
B08 Pirc classical, h3 system
B08 Pirc classical system, 5.Be2
B09 Pirc Austrian attack
B09 Pirc Austrian attack
B09 Pirc Austrian attack, 6.e5
B09 Pirc Austrian attack, 6.Be3
B09 Pirc Austrian attack, 6.Bd3
B09 Pirc Austrian attack, dragon formation
B09 Pirc Austrian attack, Ljubojevic variation
B10 Caro-Kann defence
B10 Caro-Kann Hillbilly attack
B10 Caro-Kann anti-Caro-Kann defence
B10 Caro-Kann anti-anti-Caro-Kann defence
B10 Caro-Kann closed (Breyer) variation
B10 Caro-Kann defence
B10 Caro-Kann Goldman (Spielmann) variation
B10 Caro-Kann two knights variation
B11 Caro-Kann two knights, 3...Bg4
B12 Caro-Kann defence
B12 de Bruycker defence
B12 Caro-Masi defence
B12 Caro-Kann defence
B12 Caro-Kann Tartakower (fantasy) variation
B12 Caro-Kann 3.Nd2
B12 Caro-Kann Edinburgh variation
B12 Caro-Kann advance variation
B12 Caro-Kann advance, Short variation
B13 Caro-Kann exchange variation
B13 Caro-Kann exchange, Rubinstein variation
B13 Caro-Kann Panov-Botvinnik attack
B13 Caro-Kann Panov-Botvinnik, Gunderam attack
B13 Caro-Kann Panov-Botvinnik attack
B13 Caro-Kann Panov-Botvinnik, Herzog defence
B13 Caro-Kann Panov-Botvinnik, normal variation
B13 Caro-Kann Panov-Botvinnik, Czerniak variation
B13 Caro-Kann Panov-Botvinnik, Reifir (Spielmann) variation
B14 Caro-Kann Panov-Botvinnik attack, 5...e6
B14 Caro-Kann Panov-Botvinnik attack, 5...g6
B15 Caro-Kann defence
B15 Caro-Kann Gurgenidze counter-attack
B15 Caro-Kann Gurgenidze system
B15 Caro-Kann Rasa-Studier gambit
B15 Caro-Kann defence
B15 Caro-Kann Alekhine gambit
B15 Caro-Kann Tartakower (Nimzovich) variation
B15 Caro-Kann Forgacs variation
B16 Caro-Kann Bronstein-Larsen variation
B17 Caro-Kann Steinitz variation
B18 Caro-Kann classical variation
B18 Caro-Kann classical, Flohr variation
B18 Caro-Kann classical, Maroczy attack
B18 Caro-Kann classical, 6.h4
B19 Caro-Kann classical, 7...Nd7
B19 Caro-Kann classical, Spassky variation
B20 Sicilian defence
B20 Sicilian Gloria variation
B20 Sicilian Steinitz variation
B20 Sicilian wing gambit
B20 Sicilian wing gambit, Santasiere variation
B20 Sicilian wing gambit, Marshall variation
B20 Sicilian wing gambit, Marienbad variation
B20 Sicilian wing gambit, Carlsbad variation
B20 Sicilian Keres variation (2.Ne2)
B21 Sicilian Grand Prix attack
B21 Sicilian Smith-Morra gambit
B21 Sicilian Andreaschek gambit
B21 Sicilian Smith-Morra gambit
B21 Sicilian Smith-Morra gambit, Chicago defence
B22 Sicilian Alapin's variation (2.c3)
B22 Sicilian 2.c3, Heidenfeld variation
B23 Sicilian closed
B23 Sicilian closed, Korchnoi variation
B23 Sicilian closed, 2...Nc6
B23 Sicilian chameleon variation
B23 Sicilian Grand Prix attack
B23 Sicilian Grand Prix attack, Schofman variation
B24 Sicilian closed
B24 Sicilian closed, Smyslov variation
B25 Sicilian closed
B25 Sicilian closed, 6.Ne2 e5 (Botvinnik)
B25 Sicilian closed, 6.f4
B25 Sicilian closed, 6.f4 e5 (Botvinnik)
B26 Sicilian closed, 6.Be3
B27 Sicilian defence
B27 Sicilian Stiletto (Althouse) variation
B27 Sicilian Quinteros variation
B27 Sicilian Katalimov variation
B27 Sicilian Hungarian variation
B27 Sicilian Acton extension
B28 Sicilian O'Kelly variation
B29 Sicilian Nimzovich-Rubinstein variation
B29 Sicilian Nimzovich-Rubinstein; Rubinstein counter-gambit
B30 Sicilian defence
B30 Sicilian Nimzovich-Rossolimo attack (without ...d6)
B31 Sicilian Nimzovich-Rossolimo attack (with ...g6, without ...d6)
B31 Sicilian Nimzovich-Rossolimo attack, Gurgenidze variation
B32 Sicilian defence
B32 Sicilian Flohr variation
B32 Sicilian Nimzovich variation
B32 Sicilian Labourdonnais-Loewenthal variation
B32 Sicilian Labourdonnais-Loewenthal (Kalashnikov) variation
B33 Sicilian defence
B33 Sicilian Pelikan (Lasker/Sveshnikov) variation
B33 Sicilian Pelikan, Bird variation
B33 Sicilian Pelikan, Chelyabinsk variation
B33 Sicilian Sveshnikov variation
B34 Sicilian accelerated fianchetto, exchange variation
B34 Sicilian accelerated fianchetto, modern variation
B35 Sicilian accelerated fianchetto, modern variation with Bc4
B36 Sicilian accelerated fianchetto, Maroczy bind
B36 Sicilian accelerated fianchetto, Gurgenidze variation
B37 Sicilian accelerated fianchetto, Maroczy bind, 5...Bg7
B37 Sicilian accelerated fianchetto, Simagin variation
B38 Sicilian accelerated fianchetto, Maroczy bind, 6.Be3
B39 Sicilian accelerated fianchetto, Breyer variation
B40 Sicilian defence
B40 Sicilian Marshall variation
B40 Sicilian defence
B40 Sicilian Anderssen variation
B40 Sicilian Pin variation (Sicilian counter-attack)
B40 Sicilian Pin, Jaffe variation
B40 Sicilian Pin, Koch variation
B41 Sicilian Kan variation
B41 Sicilian Kan, Maroczy bind (Reti variation)
B41 Sicilian Kan, Maroczy bind - Bronstein variation
B42 Sicilian Kan, 5.Bd3
B42 Sicilian Kan, Gipslis variation
B42 Sicilian Kan, Polugaievsky variation
B42 Sicilian Kan, Swiss cheese variation
B43 Sicilian Kan, 5.Nc3
B44 Sicilian defence
B44 Sicilian, Szen (`anti-Taimanov') variation
B44 Sicilian, Szen, hedgehog variation
B44 Sicilian, Szen variation, Dely-Kasparov gambit
B45 Sicilian Taimanov variation
B45 Sicilian Taimanov, American attack
B46 Sicilian Taimanov variation
B47 Sicilian Taimanov (Bastrikov) variation
B48 Sicilian Taimanov variation
B49 Sicilian Taimanov variation
B50 Sicilian
B50 Sicilian wing gambit deferred
B51 Sicilian Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack
B52 Sicilian Canal-Sokolsky attack, 3...Bd7
B52 Sicilian Canal-Sokolsky attack, Bronstein gambit
B52 Sicilian Canal-Sokolsky attack, Sokolsky variation
B53 Sicilian, Chekhover variation
B53 Sicilian Chekhover, Zaitsev variation
B54 Sicilian
B54 Sicilian Prins (Moscow) variation
B55 Sicilian Prins variation, Venice attack
B56 Sicilian
B56 Sicilian Venice attack
B56 Sicilian
B57 Sicilian Sozin, not Scheveningen
B57 Sicilian Magnus Smith trap
B57 Sicilian Sozin, Benko variation
B58 Sicilian classical
B58 Sicilian Boleslavsky variation
B58 Sicilian Boleslavsky, Louma variation
B59 Sicilian Boleslavsky variation, 7.Nb3
B60 Sicilian Richter-Rauzer
B60 Sicilian Richter-Rauzer, Bondarevsky variation
B60 Sicilian Richter-Rauzer, Larsen variation
B61 Sicilian Richter-Rauzer, Larsen variation, 7.Qd2
B62 Sicilian Richter-Rauzer, 6...e6
B62 Sicilian Richter-Rauzer, Podvebrady variation
B62 Sicilian Richter-Rauzer, Margate (Alekhine) variation
B62 Sicilian Richter-Rauzer, Richter attack
B62 Sicilian Richter-Rauzer, Keres variation
B63 Sicilian Richter-Rauzer, Rauzer attack
B63 Sicilian Richter-Rauzer, Rauzer attack, 7...Be7
B64 Sicilian Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f4
B64 Sicilian Richter-Rauzer, Rauzer attack, Geller variation
B65 Sicilian Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4
B65 Sicilian Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4
B66 Sicilian Richter-Rauzer, Rauzer attack, 7...a6
B67 Sicilian Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7
B68 Sicilian Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7
B69 Sicilian Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6
B70 Sicilian dragon variation
B71 Sicilian dragon, Levenfish variation
B71 Sicilian dragon, Levenfish; Flohr variation
B72 Sicilian dragon, 6.Be3
B72 Sicilian dragon, classical attack
B72 Sicilian dragon, classical, Amsterdam variation
B72 Sicilian dragon, classical, Grigoriev variation
B72 Sicilian dragon, classical, Nottingham variation
B73 Sicilian dragon, classical, 8.O-O
B73 Sicilian dragon, classical, Zollner gambit
B73 Sicilian dragon, classical, Richter variation
B74 Sicilian dragon, classical, 9.Nb3
B74 Sicilian dragon, classical, Stockholm attack
B74 Sicilian dragon, classical, Spielmann variation
B74 Sicilian dragon, classical, Bernard defence
B74 Sicilian dragon, classical, Reti-Tartakower variation
B74 Sicilian dragon, classical, Alekhine variation
B75 Sicilian dragon, Yugoslav attack
B76 Sicilian dragon, Yugoslav attack, 7...O-O
B76 Sicilian dragon, Yugoslav attack, Rauser variation
B77 Sicilian dragon, Yugoslav attack, 9.Bc4
B77 Sicilian dragon, Yugoslav attack, Byrne variation
B77 Sicilian dragon, Yugoslav attack, 9...Bd7
B78 Sicilian dragon, Yugoslav attack, 10.O-O-O
B79 Sicilian dragon, Yugoslav attack, 12.h4
B80 Sicilian Scheveningen variation
B80 Sicilian Scheveningen, English variation
B80 Sicilian Scheveningen, Vitolins variation
B80 Sicilian Scheveningen, fianchetto variation
B81 Sicilian Scheveningen, Keres attack
B82 Sicilian Scheveningen, 6.f4
B82 Sicilian Scheveningen, Tal variation
B83 Sicilian Scheveningen, 6.Be2
B83 Sicilian modern Scheveningen
B83 Sicilian modern Scheveningen, main line
B83 Sicilian modern Scheveningen, main line with Nb3
B84 Sicilian Scheveningen (Paulsen), classical variation
B84 Sicilian Scheveningen, classical, Nd7 system
B84 Sicilian Scheveningen (Paulsen), classical variation
B85 Sicilian Scheveningen, classical variation with ...Qc7 and ...Nc6
B85 Sicilian Scheveningen, classical, Maroczy system
B85 Sicilian Scheveningen, classical
B85 Sicilian Scheveningen, classical main line
B86 Sicilian Sozin attack
B87 Sicilian Sozin with ...a6 and ...b5
B88 Sicilian Sozin, Leonhardt variation
B88 Sicilian Sozin, Fischer variation
B89 Sicilian Sozin, 7.Be3
B89 Sicilian Velimirovic attack
B90 Sicilian Najdorf
B90 Sicilian Najdorf, Adams attack
B90 Sicilian Najdorf, Lipnitzky attack
B90 Sicilian Najdorf, Byrne (English) attack
B91 Sicilian Najdorf, Zagreb (fianchetto) variation
B92 Sicilian Najdorf, Opovcensky variation
B93 Sicilian Najdorf, 6.f4
B94 Sicilian Najdorf, 6.Bg5
B94 Sicilian Najdorf, Ivkov variation
B95 Sicilian Najdorf, 6...e6
B96 Sicilian Najdorf, 7.f4
B96 Sicilian Najdorf, Polugayevsky variation
B96 Sicilian Najdorf, Polugayevsky, Simagin variation
B97 Sicilian Najdorf, 7...Qb6
B97 Sicilian Najdorf, Poisoned pawn variation
B98 Sicilian Najdorf, 7...Be7
B98 Sicilian Najdorf, Browne variation
B98 Sicilian Najdorf, Goteborg (Argentine) variation
B98 Sicilian Najdorf variation
B99 Sicilian Najdorf, 7...Be7 main line
C00 French defence
C00 French defence, Steiner variation
C00 French Reti (Spielmann) variation
C00 French Steinitz attack
C00 French Labourdonnais variation
C00 French defence
C00 French Wing gambit
C00 French defence
C00 French Pelikan variation
C00 French Two knights variation
C00 French Chigorin variation
C00 French King's Indian attack
C00 French Reversed Philidor formation
C00 French defence
C00 Lengfellner system
C00 St. George defence
C00 French defence
C00 French Schlechter variation
C00 French Alapin variation
C01 French exchange variation
C01 French exchange, Svenonius variation
C01 French exchange, Bogolyubov variation
C02 French advance variation
C02 French advance, Steinitz variation
C02 French advance, Nimzovich variation
C02 French advance, Nimzovich system
C02 French advance variation
C02 French advance, Wade variation
C02 French advance variation
C02 French advance, Paulsen attack
C02 French advance, Milner-Barry gambit
C02 French advance, Euwe variation
C03 French Tarrasch
C03 French Tarrasch, Haberditz variation
C03 French Tarrasch, Guimard variation
C04 French Tarrasch, Guimard main line
C05 French Tarrasch, closed variation
C05 French Tarrasch, Botvinnik variation
C05 French Tarrasch, closed variation
C06 French Tarrasch, closed variation, main line
C06 French Tarrasch, Leningrad variation
C07 French Tarrasch, open variation
C07 French Tarrasch, Eliskases variation
C08 French Tarrasch, open, 4.ed ed
C09 French Tarrasch, open variation, main line
C10 French Paulsen variation
C10 French Marshall variation
C10 French Rubinstein variation
C10 French Fort Knox variation
C10 French Rubinstein variation
C10 French Rubinstein, Capablanca line
C10 French Frere (Becker) variation
C11 French defence
C11 French Swiss variation
C11 French Henneberger variation
C11 French Steinitz variation
C11 French Steinitz, Bradford attack
C11 French Steinitz variation
C11 French Steinitz, Brodsky-Jones variation
C11 French Steinitz variation
C11 French Steinitz, Boleslavsky variation
C11 French Steinitz, Gledhill attack
C11 French Burn variation
C12 French MacCutcheon variation
C12 French MacCutcheon, Bogolyubov variation
C12 French MacCutcheon, advance variation
C12 French MacCutcheon, Chigorin variation
C12 French MacCutcheon, Grigoriev variation
C12 French MacCutcheon, Bernstein variation
C12 French MacCutcheon, Janowski variation
C12 French MacCutcheon, Dr. Olland (Dutch) variation
C12 French MacCutcheon, Tartakower variation
C12 French MacCutcheon, Lasker variation
C12 French MacCutcheon, Duras variation
C12 French MacCutcheon, Lasker variation, 8...g6
C13 French classical
C13 French classical, Anderssen variation
C13 French classical, Anderssen-Richter variation
C13 French classical, Vistaneckis (Nimzovich) variation
C13 French classical, Frankfurt variation
C13 French classical, Tartakower variation
C13 French Albin-Alekhine-Chatard attack
C13 French Albin-Alekhine-Chatard attack, Maroczy variation
C13 French Albin-Alekhine-Chatard attack, Breyer variation
C13 French Albin-Alekhine-Chatard attack, Teichmann variation
C13 French Albin-Alekhine-Chatard attack, Spielmann variation
C14 French classical variation
C14 French classical, Tarrasch variation
C14 French classical, Rubinstein variation
C14 French classical, Alapin variation
C14 French classical, Pollock variation
C14 French classical, Steinitz variation
C14 French classical, Stahlberg variation
C15 French Winawer (Nimzovich) variation
C15 French Winawer, Kondratiyev variation
C15 French Winawer, fingerslip variation
C15 French Winawer, Alekhine (Maroczy) gambit
C15 French Winawer, Alekhine gambit, Alatortsev variation
C15 French Winawer, Alekhine gambit
C15 French Winawer, Alekhine gambit, Kan variation
C16 French Winawer, advance variation
C16 French Winawer, Petrosian variation
C17 French Winawer, advance variation
C17 French Winawer, advance, Bogolyubov variation
C17 French Winawer, advance, Russian variation
C17 French Winawer, advance, 5.a3
C17 French Winawer, advance, Rauzer variation
C18 French Winawer, advance variation
C18 French Winawer, classical variation
C19 French Winawer, advance, 6...Ne7
C19 French Winawer, advance, Smyslov variation
C19 French Winawer, advance, positional main line
C19 French Winawer, advance, poisoned pawn variation
C19 French Winawer, advance, poisoned pawn, Euwe-Gligoric variation
C19 French Winawer, advance, poisoned pawn, Konstantinopolsky variation
C20 King's pawn game
C20 KP Indian opening
C20 KP Mengarini's opening
C20 KP King's head opening
C20 KP Patzer opening
C20 KP Napoleon's opening
C20 KP Lopez opening
C20 Alapin's opening
C21 Centre game
C21 Centre game, Kieseritsky variation
C21 Halasz gambit
C21 Danish gambit
C21 Danish gambit Collijn defence
C21 Danish gambit Schlechter defence
C21 Danish gambit Soerensen defence
C21 Centre game
C22 Centre game
C22 Centre game Paulsen attack
C22 Centre game Charousek variation
C22 Centre game l'Hermet variation
C22 Centre game Berger variation
C22 Centre game Kupreichik variation
C22 Centre game Hall variation
C23 Bishop's opening
C23 Bishop's opening Philidor counter-attack
C23 Bishop's opening Lisitsyn variation
C23 Bishop's opening Calabrese counter-gambit
C23 Bishop's opening Calabrese counter-gambit, Jaenisch variation
C23 Bishop's opening Classical variation
C23 Bishop's opening Lopez gambit
C23 Bishop's opening Philidor variation
C23 Bishop's opening Pratt variation
C23 Bishop's opening Lewis counter-gambit
C23 Bishop's opening del Rio variation
C23 Bishop's opening Lewis gambit
C23 Bishop's opening Wing gambit
C23 Bishop's opening MacDonnell double gambit
C23 Bishop's opening Four pawns' gambit
C24 Bishop's opening Berlin defence
C24 Bishop's opening Greco gambit
C24 Bishop's opening Ponziani gambit
C24 Bishop's opening Urusov gambit
C24 Bishop's opening Urusov gambit, Panov variation
C25 Vienna game
C25 Vienna Zhuravlev countergambit
C25 Vienna game, Max Lange defence
C25 Vienna Paulsen variation
C25 Vienna Fyfe gambit
C25 Vienna gambit
C25 Vienna Steinitz gambit
C25 Vienna Steinitz gambit, Zukertort defence
C25 Vienna Steinitz gambit, Fraser-Minckwitz variation
C25 Vienna gambit
C25 Vienna Hamppe-Allgaier gambit
C25 Vienna Hamppe-Allgaier gambit, Alapin variation
C25 Vienna Hamppe-Muzio gambit
C25 Vienna Hamppe-Muzio, Dubois variation
C25 Vienna Pierce gambit
C25 Vienna Pierce gambit, Rushmere attack
C26 Vienna Falkbeer variation
C26 Vienna Mengarini variation
C26 Vienna Paulsen-Mieses variation
C26 Vienna game
C27 Vienna game
C27 Vienna `Frankenstein-Dracula' variation
C27 Vienna Adams' gambit
C27 Vienna game
C27 Vienna Alekhine variation
C27 Boden-Kieseritsky gambit
C27 Boden-Kieseritsky gambit Lichtenhein defence
C28 Vienna game
C29 Vienna gambit
C29 Vienna gambit Kaufmann variation
C29 Vienna gambit Breyer variation
C29 Vienna gambit Paulsen attack
C29 Vienna gambit Bardeleben variation
C29 Vienna gambit Heyde variation
C29 Vienna gambit
C29 Vienna gambit, Wurzburger trap
C29 Vienna gambit, Steinitz variation
C30 King's gambit
C30 KGD Keene's defence
C30 KGD Mafia defence
C30 KGD Norwalde variation
C30 KGD Norwalde variation, Buecker gambit
C30 KGD classical variation
C30 KGD classical, Svenonius variation
C30 KGD classical, Hanham variation
C30 KGD classical, 4.c3
C30 KGD classical, Marshall attack
C30 KGD classical counter-gambit
C30 KGD classical, Reti variation
C30 KGD classical, Soldatenkov variation
C30 KGD classical, Heath variation
C30 KGD 2...Nf6
C31 KGD Falkbeer counter-gambit
C31 KGD Falkbeer, Tartakower variation
C31 KGD Falkbeer, Milner-Barry variation
C31 KGD Falkbeer counter-gambit
C31 KGD Nimzovich counter-gambit
C31 KGD Falkbeer, 3...e4
C31 KGD Falkbeer, Rubinstein variation
C31 KGD Falkbeer, Nimzovich variation
C31 KGD Falkbeer, 4.d3
C31 KGD Falkbeer, Morphy gambit
C32 KGD Falkbeer, 5.de
C32 KGD Falkbeer, Alapin variation
C32 KGD Falkbeer, main line, 7...Bf5
C32 KGD Falkbeer, Tarrasch variation
C32 KGD Falkbeer, Charousek gambit
C32 KGD Falkbeer, Charousek variation
C32 KGD Falkbeer, Keres variation
C32 KGD Falkbeer, Reti variation
C33 King's gambit accepted
C33 KGA Tumbleweed gambit
C33 KGA Orsini gambit
C33 KGA Pawn's gambit (Stamma gambit)
C33 KGA Schurig gambit
C33 KGA Carrera (Basman) gambit
C33 KGA Villemson (Steinitz) gambit
C33 KGA Keres (Mason-Steinitz) gambit
C33 KGA Breyer gambit
C33 KGA Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit
C33 KGA bishop's gambit
C33 KGA bishop's gambit, Chigorin's attack
C33 KGA bishop's gambit, Greco variation
C33 KGA bishop's gambit, classical defence
C33 KGA bishop's gambit, Grimm attack
C33 KGA bishop's gambit, classical defence
C33 KGA bishop's gambit, McDonnell attack
C33 KGA bishop's gambit, McDonnell attack
C33 KGA bishop's gambit, Fraser variation
C33 KGA bishop's gambit, classical defence, Cozio attack
C33 KGA bishop's gambit, Boden defence
C33 KGA bishop's gambit, Bryan counter-gambit
C33 KGA bishop's gambit, Bryan counter-gambit
C33 KGA bishop's gambit, Steinitz defence
C33 KGA bishop's gambit, Maurian defence
C33 KGA bishop's gambit, Ruy Lopez defence
C33 KGA bishop's gambit, Lopez-Gianutio counter-gambit
C33 KGA Lopez-Gianutio counter-gambit, Hein variation
C33 KGA bishop's gambit, Bledow variation
C33 KGA bishop's gambit, Gifford variation
C33 KGA bishop's gambit, Boren-Svenonius variation
C33 KGA bishop's gambit, Anderssen variation
C33 KGA bishop's gambit, Morphy variation
C33 KGA bishop's gambit, Cozio (Morphy) defence
C33 KGA bishop's gambit, Bogolyubov variation
C33 KGA bishop's gambit, Paulsen attack
C33 KGA bishop's gambit, Jaenisch variation
C34 King's knight's gambit
C34 KGA Bonsch-Osmolovsky variation
C34 KGA Gianutio counter-gambit
C34 KGA Fischer defence
C34 KGA Becker defence
C34 KGA Schallop defence
C35 KGA Cunningham defence
C35 KGA Cunningham, Bertin gambit
C35 KGA Cunningham, three pawns gambit
C35 KGA Cunningham, Euwe defence
C36 KGA Abbazia defence (classical defence, modern defence[!])
C36 KGA Abbazia defence, modern variation
C36 KGA Abbazia defence, Botvinnik variation
C37 KGA Quaade gambit
C37 KGA Rosentreter gambit
C37 KGA Soerensen gambit
C37 KGA King's knight's gambit
C37 KGA Blachly gambit
C37 KGA Lolli gambit (wild Muzio gambit)
C37 KGA Lolli gambit, Young variation
C37 KGA Ghulam Kassim gambit
C37 KGA MacDonnell gambit
C37 KGA Salvio gambit
C37 KGA Silberschmidt gambit
C37 KGA Salvio gambit, Anderssen counter-attack
C37 KGA Cochrane gambit
C37 KGA Herzfeld gambit
C37 KGA Muzio gambit
C37 KGA Muzio gambit, Paulsen variation
C37 KGA double Muzio gambit
C37 KGA Muzio gambit, From defence
C37 KGA Muzio gambit, Holloway defence
C37 KGA Muzio gambit, Kling and Horwitz counter-attack
C37 KGA Muzio gambit, Brentano defence
C38 King's knight's gambit
C38 KGA Hanstein gambit
C38 KGA Philidor gambit
C38 KGA Greco gambit
C38 KGA Philidor gambit, Schultz variation
C39 King's knight's gambit
C39 KGA Allgaier gambit
C39 KGA Allgaier, Horny defence
C39 KGA Allgaier, Thorold variation
C39 KGA Allgaier, Cook variation
C39 KGA Allgaier, Blackburne gambit
C39 KGA Allgaier, Walker attack
C39 KGA Allgaier, Urusov attack
C39 KGA Allgaier, Schlechter defence
C39 KGA Kieseritsky, Paulsen defence
C39 KGA Kieseritsky, long whip (Stockwhip, classical) defence
C39 KGA Kieseritsky, long whip defence, Jaenisch variation
C39 KGA Kieseritsky, Brentano (Campbell) defence
C39 KGA Kieseritsky, Brentano defence, Kaplanek variation
C39 KGA Kieseritsky, Brentano defence
C39 KGA Kieseritsky, Brentano defence, Caro variation
C39 KGA Kieseritsky, Salvio (Rosenthal) defence
C39 KGA Kieseritsky, Salvio defence, Cozio variation
C39 KGA Kieseritsky, Polerio defence
C39 KGA Kieseritsky, Neumann defence
C39 KGA Kieseritsky, Kolisch defence
C39 KGA Kieseritsky, Berlin defence
C39 KGA Kieseritsky, Berlin defence, Riviere variation
C39 KGA Kieseritsky, Berlin defence, 6.Bc4
C39 KGA Kieseritsky, Rice gambit
C40 King's knight opening
C40 Gunderam defence
C40 Greco defence
C40 Damiano's defence
C40 QP counter-gambit (elephant gambit)
C40 QP counter-gambit Maroczy gambit
C40 Latvian counter-gambit
C40 Latvian Nimzovich variation
C40 Latvian Fraser defence
C40 Latvian gambit, 3.Bc4
C40 Latvian Behting variation
C40 Latvian Polerio variation
C40 Latvian corkscrew counter-gambit
C41 Philidor's defence
C41 Philidor Steinitz variation
C41 Philidor Lopez counter-gambit
C41 Philidor Lopez counter-gambit, Jaenisch variation
C41 Philidor's defence
C41 Philidor Philidor counter-gambit
C41 Philidor Philidor counter-gambit, del Rio attack
C41 Philidor Philidor counter-gambit, Berger variation
C41 Philidor Philidor counter-gambit, Zukertort variation
C41 Philidor exchange variation
C41 Philidor Boden variation
C41 Philidor exchange variation
C41 Philidor Paulsen attack
C41 Philidor exchange variation
C41 Philidor Berger variation
C41 Philidor Larsen variation
C41 Philidor Nimzovich (Jaenisch) variation
C41 Philidor Improved Hanham variation
C41 Philidor Nimzovich, Sozin variation
C41 Philidor Nimzovich, Larobok variation
C41 Philidor Nimzovich variation
C41 Philidor Nimzovich, Sokolsky variation
C41 Philidor Nimzovich, Rellstab variation
C41 Philidor Nimzovich, Locock variation
C41 Philidor Nimzovich, Klein variation
C41 Philidor Hanham variation
C41 Philidor Hanham, Krause variation
C41 Philidor Hanham, Steiner variation
C41 Philidor Hanham, Kmoch variation
C41 Philidor Hanham, Berger variation
C41 Philidor Hanham, Schlechter variation
C41 Philidor Hanham, Delmar variation
C42 Petrov's defence
C42 Petrov French attack
C42 Petrov Kaufmann attack
C42 Petrov Nimzovich attack
C42 Petrov Cozio (Lasker) attack
C42 Petrov classical attack
C42 Petrov classical attack, Chigorin variation
C42 Petrov classical attack, Berger variation
C42 Petrov classical attack, Krause variation
C42 Petrov classical attack, Maroczy variation
C42 Petrov classical attack, Jaenisch variation
C42 Petrov classical attack, Mason variation
C42 Petrov classical attack, Marshall variation
C42 Petrov classical attack, Tarrasch variation
C42 Petrov classical attack, Marshall trap
C42 Petrov classical attack, close variation
C42 Petrov Cochrane gambit
C42 Petrov Paulsen attack
C42 Petrov Damiano variation
C42 Petrov three knights game
C42 Petrov Italian variation
C43 Petrov modern (Steinitz) attack
C43 Petrov modern attack, main line
C43 Petrov modern attack, Steinitz variation
C43 Petrov modern attack, Bardeleben variation
C43 Petrov Urusov gambit
C43 Petrov modern attack, Symmetrical variation
C43 Petrov modern attack, Trifunovic variation
C44 King's pawn game
C44 Irish (Chicago) gambit
C44 Konstantinopolsky opening
C44 Dresden opening
C44 Inverted Hungarian
C44 Inverted Hanham
C44 Tayler opening
C44 Ponziani opening
C44 Ponziani Caro variation
C44 Ponziani Leonhardt variation
C44 Ponziani Steinitz variation
C44 Ponziani Jaenisch counter-attack
C44 Ponziani Fraser defence
C44 Ponziani Reti variation
C44 Ponziani Romanishin variation
C44 Ponziani counter-gambit
C44 Ponziani counter-gambit, Schmidt attack
C44 Ponziani counter-gambit, Cordel variation
C44 Scotch opening
C44 Scotch Lolli variation
C44 Scotch Cochrane variation
C44 Scotch Relfsson gambit ('MacLopez')
C44 Scotch Goering gambit
C44 Scotch Sea-cadet mate
C44 Scotch Goering gambit
C44 Scotch Goering gambit, Bardeleben variation
C44 Scotch gambit
C44 Scotch gambit Anderssen (Paulsen, Suhle) counter-attack
C44 Scotch gambit
C44 Scotch gambit Cochrane-Shumov defence
C44 Scotch gambit Vitzhum attack
C44 Scotch gambit
C44 Scotch gambit Hanneken variation
C44 Scotch gambit
C44 Scotch gambit Cochrane variation
C44 Scotch gambit Benima defence
C44 Scotch gambit Dubois-Reti defence
C45 Scotch game
C45 Scotch Ghulam Kassim variation
C45 Scotch Pulling counter-attack
C45 Scotch Horwitz attack
C45 Scotch Berger variation
C45 Scotch game
C45 Scotch Rosenthal variation
C45 Scotch Fraser attack
C45 Scotch Steinitz variation
C45 Scotch Schmidt variation
C45 Scotch Mieses variation
C45 Scotch Tartakower variation
C45 Scotch game
C45 Scotch Blackburne attack
C45 Scotch Gottschall variation
C45 Scotch Paulsen attack
C45 Scotch Paulsen, Gunsberg defence
C45 Scotch Meitner variation
C45 Scotch Blumenfeld attack
C45 Scotch Potter variation
C45 Scotch Romanishin variation
C46 Three knights game
C46 Three knights Schlechter variation
C46 Three knights Winawer defence (Gothic defence)
C46 Three knights Steinitz variation
C46 Three knights Steinitz, Rosenthal variation
C46 Four knights game
C46 Four knights Schultze-Mueller gambit
C46 Four knights Italian variation
C46 Four knights Gunsberg variation
C47 Four knights Scotch variation
C47 Four knights Scotch, Krause variation
C47 Four knights Scotch, 4...exd4
C47 Four knights Belgrade gambit
C48 Four knights Spanish variation
C48 Four knights Ranken variation
C48 Four knights Spielmann variation
C48 Four knights Spanish, classical defence
C48 Four knights Bardeleben variation
C48 Four knights Marshall variation
C48 Four knights Rubinstein counter-gambit
C48 Four knights Rubinstein counter-gambit, Bogolyubov variation
C48 Four knights Rubinstein counter-gambit, 5.Be2
C48 Four knights Rubinstein counter-gambit Maroczy variation
C48 Four knights Rubinstein counter-gambit, exchange variation
C48 Four knights Rubinstein counter-gambit, Henneberger variation
C49 Four knights double Ruy Lopez
C49 Four knights Gunsberg counter-attack
C49 Four knights double Ruy Lopez
C49 Four knights Alatortsev variation
C49 Four knights
C49 Four knights Janowski variation
C49 Four knights Svenonius variation
C49 Four knights symmetrical variation
C49 Four knights symmetrical, Metger unpin
C49 Four knights symmetrical, Capablanca variation
C49 Four knights symmetrical, Pillsbury variation
C49 Four knights symmetrical, Blake variation
C49 Four knights symmetrical, Tarrasch variation
C49 Four knights symmetrical, Maroczy system
C49 Four knights Nimzovich (Paulsen) variation
C50 King's pawn game
C50 Blackburne shilling gambit
C50 Rousseau gambit
C50 Hungarian defence
C50 Hungarian defence Tartakower variation
C50 Giuoco Piano
C50 Giuoco Piano four knights variation
C50 Giuoco Piano Jerome gambit
C50 Giuoco Pianissimo
C50 Giuoco Pianissimo Dubois variation
C50 Giuoco Pianissimo
C50 Giuoco Pianissimo Italian four knights variation
C50 Giuoco Pianissimo Canal variation
C51 Evans gambit declined
C51 Evans gambit declined, Lange variation
C51 Evans gambit declined, Pavlov variation
C51 Evans gambit declined, Hirschbach variation
C51 Evans gambit declined, Vasquez variation
C51 Evans gambit declined, Hicken variation
C51 Evans gambit declined, 5.a4
C51 Evans gambit declined, Showalter variation
C51 Evans gambit declined, Cordel variation
C51 Evans counter-gambit
C51 Evans gambit
C51 Evans gambit normal variation
C51 Evans gambit Ulvestad variation
C51 Evans gambit Paulsen variation
C51 Evans gambit Morphy attack
C51 Evans gambit Goering attack
C51 Evans gambit Steinitz variation
C51 Evans gambit
C51 Evans gambit Fraser attack
C51 Evans gambit Fraser-Mortimer attack
C51 Evans gambit Stone-Ware variation
C51 Evans gambit Mayet defence
C51 Evans gambit 5...Be7
C51 Evans gambit Cordel variation
C52 Evans gambit
C52 Evans gambit compromised defence
C52 Evans gambit compromised defence, Paulsen variation
C52 Evans gambit compromised defence, Potter variation
C52 Evans gambit Leonhardt variation
C52 Evans gambit
C52 Evans gambit Tartakower attack
C52 Evans gambit Levenfish variation
C52 Evans gambit Sokolsky variation
C52 Evans gambit
C52 Evans gambit Richardson attack
C52 Evans gambit
C52 Evans gambit Waller attack
C52 Evans gambit Lasker defence
C52 Evans gambit Sanders-Alapin variation
C52 Evans gambit Alapin-Steinitz variation
C53 Giuoco Piano
C53 Giuoco Piano LaBourdonnais variation
C53 Giuoco Piano close variation
C53 Giuoco Piano centre-holding variation
C53 Giuoco Piano Tarrasch variation
C53 Giuoco Piano Mestel variation
C53 Giuoco Piano Eisinger variation
C53 Giuoco Piano
C53 Giuoco Piano Bird's attack
C53 Giuoco Piano
C53 Giuoco Piano Ghulam Kassim variation
C53 Giuoco Piano
C53 Giuoco Piano Anderssen variation
C54 Giuoco Piano
C54 Giuoco Piano Krause variation
C54 Giuoco Piano Cracow variation
C54 Giuoco Piano Greco's attack
C54 Giuoco Piano Greco variation
C54 Giuoco Piano Bernstein variation
C54 Giuoco Piano Aitken variation
C54 Giuoco Piano
C54 Giuoco Piano Steinitz variation
C54 Giuoco Piano Moeller (Therkatz) attack
C54 Giuoco Piano Therkatz-Herzog variation
C54 Giuoco Piano Moeller, bayonet attack
C55 Two knights defence
C55 Giuoco piano Rosentreter variation
C55 Giuoco piano
C55 Giuoco piano Holzhausen attack
C55 Two knights defence (Modern bishop's opening)
C55 Two knights defence
C55 Two knights defence, Keidanz variation
C55 Two knights defence, Perreux variation
C55 Two knights defence
C55 two knights Max Lange attack
C55 two knights Max Lange attack, Berger variation
C55 two knights Max Lange attack, Marshall variation
C55 two knights Max Lange attack, Rubinstein variation
C55 two knights Max Lange attack, Loman defence
C55 two knights Max Lange attack, Schlechter variation
C55 two knights Max Lange attack, Steinitz variation
C55 two knights Max Lange attack, Krause variation
C56 Two knights defence
C56 two knights defence Yurdansky attack
C56 two knights defence Canal variation
C57 Two knights defence
C57 two knights defence Wilkes Barre (Traxler) variation
C57 two knights defence Ulvestad variation
C57 two knights defence Fritz variation
C57 two knights defence Fritz, Gruber variation
C57 two knights defence Lolli attack
C57 two knights defence Pincus variation
C57 two knights defence Fegatello attack
C57 two knights defence Fegatello attack, Leonhardt variation
C57 two knights defence Fegatello attack, Polerio defence
C58 two knights defence
C58 two knights defence Kieseritsky variation
C58 two knights defence Yankovich variation
C58 two knights defence Maroczy variation
C58 Two knights defence
C58 two knights defence Bogolyubov variation
C58 two knights defence Paoli variation
C58 two knights defence Colman variation
C58 two knights defence Blackburne variation
C58 Two knights defence
C59 Two knights defence
C59 two knights defence Knorre variation
C59 two knights defence Goering variation
C59 two knights defence Steinitz variation
C60 Ruy Lopez (Spanish opening)
C60 Ruy Lopez Nuernberg variation
C60 Ruy Lopez Pollock defence
C60 Ruy Lopez Lucena defence
C60 Ruy Lopez Vinogradov variation
C60 Ruy Lopez Brentano defence
C60 Ruy Lopez fianchetto (Smyslov/Barnes) defence
C60 Ruy Lopez Cozio defence
C60 Ruy Lopez Cozio defence, Paulsen variation
C61 Ruy Lopez Bird's defence
C61 Ruy Lopez Bird's defence, Paulsen variation
C62 Ruy Lopez old Steinitz defence
C62 Ruy Lopez old Steinitz defence, Nimzovich attack
C62 Ruy Lopez old Steinitz defence, semi-Duras variation
C63 Ruy Lopez Schliemann defence
C63 Ruy Lopez Schliemann defence, Berger variation
C64 Ruy Lopez classical (Cordel) defence
C64 Ruy Lopez classical defence, Zaitsev variation
C64 Ruy Lopez classical defence, 4.c3
C64 Ruy Lopez classical defence, Benelux variation
C64 Ruy Lopez classical defence, Charousek variation
C64 Ruy Lopez classical defence, Boden variation
C64 Ruy Lopez Cordel gambit
C65 Ruy Lopez Berlin defence
C65 Ruy Lopez Berlin defence, Nyholm attack
C65 Ruy Lopez Berlin defence, Mortimer variation
C65 Ruy Lopez Berlin defence, Mortimer trap
C65 Ruy Lopez Berlin defence, Anderssen variation
C65 Ruy Lopez Berlin defence, Duras variation
C65 Ruy Lopez Berlin defence, Kaufmann variation
C65 Ruy Lopez Berlin defence, 4.O-O
C65 Ruy Lopez Berlin defence, Beverwijk variation
C66 Ruy Lopez Berlin defence, 4.O-O, d6
C66 Ruy Lopez Berlin defence, hedgehog variation
C66 Ruy Lopez Berlin defence, Tarrasch trap
C66 Ruy Lopez closed Berlin defence, Bernstein variation
C66 Ruy Lopez closed Berlin defence, Showalter variation
C66 Ruy Lopez closed Berlin defence, Wolf variation
C66 Ruy Lopez closed Berlin defence, Chigorin variation
C67 Ruy Lopez Berlin defence, open variation
C67 Ruy Lopez open Berlin defence, l'Hermet variation
C67 Ruy Lopez open Berlin defence, Showalter variation
C67 Ruy Lopez open Berlin defence, 5...Be7
C67 Ruy Lopez Berlin defence, Rio de Janeiro variation
C67 Ruy Lopez Berlin defence, Zukertort variation
C67 Ruy Lopez Berlin defence, Pillsbury variation
C67 Ruy Lopez Berlin defence, Winawer attack
C67 Ruy Lopez Berlin defence, Cordel variation
C67 Ruy Lopez Berlin defence, Trifunovic variation
C67 Ruy Lopez Berlin defence, Minckwitz variation
C67 Ruy Lopez Berlin defence, Rosenthal variation
C68 Ruy Lopez exchange variation
C68 Ruy Lopez exchange, Alekhine variation
C68 Ruy Lopez exchange, Keres variation
C68 Ruy Lopez exchange, Romanovsky variation
C69 Ruy Lopez exchange variation, 5.O-O
C69 Ruy Lopez exchange variation, Alapin gambit
C69 Ruy Lopez exchange, Gligoric variation
C69 Ruy Lopez exchange, Bronstein variation
C70 Ruy Lopez
C70 Ruy Lopez fianchetto defence deferred
C70 Ruy Lopez Cozio defence deferred
C70 Ruy Lopez Bird's defence deferred
C70 Ruy Lopez Alapin's defence deferred
C70 Ruy Lopez Classical defence deferred
C70 Ruy Lopez Caro variation
C70 Ruy Lopez Graz variation
C70 Ruy Lopez Taimanov (chase/wing/accelerated counterthrust) variation
C70 Ruy Lopez Schliemann defence deferred
C71 Ruy Lopez modern Steinitz defence
C71 Ruy Lopez Noah's ark trap
C71 Ruy Lopez modern Steinitz defence, Three knights variation
C71 Ruy Lopez modern Steinitz defence, Duras (Keres) variation
C72 Ruy Lopez modern Steinitz defence, 5.O-O
C73 Ruy Lopez modern Steinitz defence, Richter variation
C73 Ruy Lopez modern Steinitz defence, Alapin variation
C74 Ruy Lopez modern Steinitz defence
C74 Ruy Lopez modern Steinitz defence, siesta variation
C74 Ruy Lopez Siesta, Kopayev variation
C75 Ruy Lopez modern Steinitz defence
C75 Ruy Lopez modern Steinitz defence, Rubinstein variation
C76 Ruy Lopez modern Steinitz defence, fianchetto (Bronstein) variation
C77 Ruy Lopez Morphy defence
C77 Ruy Lopez four knights (Tarrasch) variation
C77 Ruy Lopez Treybal (Bayreuth) variation (exchange var. deferred)
C77 Ruy Lopez Wormald (Alapin) attack
C77 Ruy Lopez Wormald attack, Gruenfeld variation
C77 Ruy Lopez Anderssen variation
C77 Ruy Lopez Morphy defence, Duras variation
C78 Ruy Lopez 5.O-O
C78 Ruy Lopez Wing attack
C78 Ruy Lopez ...b5 & ...d6
C78 Ruy Lopez Rabinovich variation
C78 Ruy Lopez Archangelsk (counterthrust) variation
C78 Ruy Lopez Moeller defence
C79 Ruy Lopez Steinitz defence deferred (Russian defence)
C79 Ruy Lopez Steinitz defence deferred, Lipnitsky variation
C79 Ruy Lopez Steinitz defence deferred, Rubinstein variation
C79 Ruy Lopez Steinitz defence deferred, Boleslavsky variation
C80 Ruy Lopez open (Tarrasch) defence
C80 Ruy Lopez open, Tartakower variation
C80 Ruy Lopez open, Knorre variation
C80 Ruy Lopez open, 6.d4
C80 Ruy Lopez open, Riga variation
C80 Ruy Lopez open, 6.d4 b5
C80 Ruy Lopez open, Friess attack
C80 Ruy Lopez open, Richter variation
C80 Ruy Lopez open, 7.Bb3
C80 Ruy Lopez open, Schlechter defence
C80 Ruy Lopez open, Berger variation
C80 Ruy Lopez open, Harksen gambit
C80 Ruy Lopez open, 8.de
C80 Ruy Lopez open, Zukertort variation
C80 Ruy Lopez open, 8...Be6
C80 Ruy Lopez open, Bernstein variation
C80 Ruy Lopez open, Bernstein variation, Karpov gambit
C81 Ruy Lopez open, Howell attack
C81 Ruy Lopez open, Howell attack, Ekstroem variation
C81 Ruy Lopez open, Howell attack, Adam variation
C82 Ruy Lopez open, 9.c3
C82 Ruy Lopez open, Berlin variation
C82 Ruy Lopez open, Italian variation
C82 Ruy Lopez open, St. Petersburg variation
C82 Ruy Lopez open, Dilworth variation
C82 Ruy Lopez open, Motzko attack
C82 Ruy Lopez open, Motzko attack, Nenarokov variation
C83 Ruy Lopez open, classical defence
C83 Ruy Lopez open, Malkin variation
C83 Ruy Lopez open, 9...Be7, 10.Re1
C83 Ruy Lopez open, Tarrasch trap
C83 Ruy Lopez open, Breslau variation
C84 Ruy Lopez closed defence
C84 Ruy Lopez closed, centre attack
C84 Ruy Lopez closed, Basque gambit (North Spanish variation)
C85 Ruy Lopez Exchange variation doubly deferred (DERLD)
C86 Ruy Lopez Worrall attack
C86 Ruy Lopez Worrall attack, sharp line
C86 Ruy Lopez Worrall attack, solid line
C87 Ruy Lopez closed, Averbach variation
C88 Ruy Lopez closed
C88 Ruy Lopez closed, Leonhardt variation
C88 Ruy Lopez closed, Balla variation
C88 Ruy Lopez closed, 7...d6, 8.d4
C88 Ruy Lopez Noah's ark trap
C88 Ruy Lopez Trajkovic counter-attack
C88 Ruy Lopez closed, 7...O-O
C88 Ruy Lopez closed, anti-Marshall 8.a4
C88 Ruy Lopez closed, 8.c3
C89 Ruy Lopez Marshall counter-attack
C89 Ruy Lopez Marshall counter-attack, 11...c6
C89 Ruy Lopez Marshall, Kevitz variation
C89 Ruy Lopez Marshall, main line, 12.d2d4
C89 Ruy Lopez Marshall, main line, 14...Qh3
C89 Ruy Lopez Marshall, main line, Spassky variation
C89 Ruy Lopez Marshall, Herman Steiner variation
C90 Ruy Lopez closed (with ...d6)
C90 Ruy Lopez closed, Pilnik variation
C90 Ruy Lopez closed, Lutikov variation
C90 Ruy Lopez closed, Suetin variation
C91 Ruy Lopez closed, 9.d4
C91 Ruy Lopez closed, Bogolyubov variation
C92 Ruy Lopez closed, 9.h3
C92 Ruy Lopez closed, Keres (9...a5) variation
C92 Ruy Lopez closed, Kholmov variation
C92 Ruy Lopez closed, Ragozin-Petrosian (`Keres') variation
C92 Ruy Lopez closed, Flohr-Zaitsev system (Lenzerheide variation)
C93 Ruy Lopez closed, Smyslov defence
C94 Ruy Lopez closed, Breyer defence
C95 Ruy Lopez closed, Breyer, 10.d4
C95 Ruy Lopez closed, Breyer, Borisenko variation
C95 Ruy Lopez closed, Breyer, Gligoric variation
C95 Ruy Lopez closed, Breyer, Simagin variation
C96 Ruy Lopez closed (8...Na5)
C96 Ruy Lopez closed, Rossolimo defence
C96 Ruy Lopez closed (10...c5)
C96 Ruy Lopez closed, Borisenko defence
C96 Ruy Lopez closed, Keres (...Nd7) defence
C97 Ruy Lopez closed, Chigorin defence
C97 Ruy Lopez closed, Chigorin, Yugoslav system
C98 Ruy Lopez closed, Chigorin, 12...Nc6
C98 Ruy Lopez closed, Chigorin, Rauzer attack
C99 Ruy Lopez closed, Chigorin, 12...c5d4
D00 Queen's pawn game
D00 Queen's pawn, Mason variation
D00 Queen's pawn, Mason variation, Steinitz counter-gambit
D00 Levitsky attack (Queen's bishop attack)
D00 Blackmar gambit
D00 Queen's pawn stonewall attack
D00 Queen's pawn Chigorin variation
D00 Queen's pawn Anti-Veresov
D00 Blackmar-Diemer gambit
D00 Blackmar-Diemer Euwe defence
D00 Blackmar-Diemer Lemberg counter-gambit
D01 Richter-Veresov attack
D01 Richter-Veresov attack, Veresov variation
D01 Richter-Veresov attack, Richter variation
D02 Queen's pawn game
D02 Queen's pawn game, Chigorin variation
D02 Queen's pawn game, Krause variation
D02 Queen's pawn game
D02 Queen's bishop game
D03 Torre attack (Tartakower variation)
D04 Queen's pawn game
D05 Queen's pawn game
D05 Queen's pawn game, Zukertort variation
D05 Queen's pawn game
D05 Queen's pawn game, Rubinstein (Colle-Zukertort) variation
D05 Colle system
D06 Queen's Gambit
D06 QGD Grau (Sahovic) defence
D06 QGD Marshall defence
D06 QGD symmetrical (Austrian) defence
D07 QGD Chigorin defence
D07 QGD Chigorin defence, Janowski variation
D08 QGD Albin counter-gambit
D08 QGD Albin counter-gambit, Lasker trap
D08 QGD Albin counter-gambit
D08 QGD Albin counter-gambit, Alapin variation
D08 QGD Albin counter-gambit, Krenosz variation
D08 QGD Albin counter-gambit, Janowski variation
D08 QGD Albin counter-gambit, Balogh variation
D09 QGD Albin counter-gambit, 5.g3
D10 QGD Slav defence
D10 QGD Slav defence, Alekhine variation
D10 QGD Slav Winawer counter-gambit
D10 QGD Slav defence exchange variation
D11 QGD Slav 3.Nf3
D11 QGD Slav Breyer variation
D11 QGD Slav 4.e3
D12 QGD Slav 4.e3 Bf5
D12 QGD Slav Landau variation
D12 QGD Slav exchange variation
D12 QGD Slav Amsterdam variation
D13 QGD Slav exchange variation
D14 QGD Slav exchange variation, 6.Bf4 Bf5
D14 QGD Slav exchange, Trifunovic variation
D15 QGD Slav 4.Nc3
D15 QGD Slav Suechting variation
D15 QGD Slav Schlechter variation
D15 QGD Slav accepted
D15 QGD Slav 5.e3 (Alekhine variation)
D15 QGD Slav Slav gambit
D15 QGD Slav Tolush-Geller gambit
D16 QGD Slav accepted Alapin variation
D16 QGD Slav Smyslov variation
D16 QGD Slav Soultanbeieff variation
D16 QGD Slav Steiner variation
D17 QGD Slav Czech defence
D17 QGD Slav Krause attack
D17 QGD Slav Carlsbad variation
D17 QGD Slav Wiesbaden variation
D18 QGD Slav Dutch variation
D18 QGD Slav Dutch, Lasker variation
D19 QGD Slav Dutch variation
D19 QGD Slav Dutch variation, main line
D19 QGD Slav Dutch, Saemisch variation
D20 Queen's gambit accepted
D20 QGA 3.e4
D20 QGA Linares variation
D20 QGA Schwartz defence
D21 QGA 3.Nf3
D21 QGA Ericson variation
D21 QGA Alekhine defense, Borisenko-Furman variation
D22 QGA Alekhine defence
D22 QGA Alekhine defence, Alatortsev variation
D22 QGA Haberditz variation
D23 Queen's gambit accepted
D23 QGA Mannheim variation
D24 QGA, 4.Nc3
D24 QGA, Bogolyubov variation
D25 QGA, 4.e3
D25 QGA, Smyslov variation
D25 QGA, Janowsky-Larsen variation
D25 QGA, Flohr variation
D26 QGA 4...e6
D26 QGA classical variation
D26 QGA classical, Furman variation
D26 QGA classical variation, 6.O-O
D26 QGA classical, Steinitz variation
D27 QGA classical, 6...a6
D27 QGA classical, Rubinstein variation
D27 QGA classical, Geller variation
D28 QGA classical, 7.Qe2
D28 QGA classical, 7...b5
D28 QGA classical, Flohr variation
D29 QGA classical, 8...Bb7
D29 QGA classical, Smyslov variation
D30 Queen's gambit declined
D30 QGD Slav
D30 QGD Stonewall variation
D30 QGD Slav
D30 QGD Slav Semmering variation
D30 QGD Spielmann variation
D30 QGD
D30 QGD Capablanca variation
D30 QGD Vienna variation
D30 QGD Capablanca-Duras variation
D30 QGD Hastings variation
D31 QGD 3.Nc3
D31 QGD Janowski variation
D31 QGD Alapin variation
D31 QGD Charousek (Petrosian) variation
D31 QGD semi-Slav
D31 QGD semi-Slav, Noteboom variation
D31 QGD semi-Slav, Koomen variation
D31 QGD semi-Slav, Junge variation
D31 QGD semi-Slav, Abrahams variation
D31 QGD semi-Slav, Marshall gambit
D32 QGD Tarrasch defence
D32 QGD Tarrasch, von Hennig-Schara gambit
D32 QGD Tarrasch defence, 4.cd ed
D32 QGD Tarrasch defence, Tarrasch gambit
D32 QGD Tarrasch defence, Marshall gambit
D32 QGD Tarrasch defence
D33 QGD Tarrasch, Schlechter-Rubinstein system
D33 QGD Tarrasch, Folkestone (Swedish) variation
D33 QGD Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation
D33 QGD Tarrasch, Prague variation
D33 QGD Tarrasch, Wagner variation
D34 QGD Tarrasch, Prague variation, 7...Be7
D34 QGD Tarrasch, Prague variation, Normal position
D34 QGD Tarrasch, Reti variation
D34 QGD Tarrasch, Prague variation, 9.Bg5
D34 QGD Tarrasch, Bogolyubov variation
D34 QGD Tarrasch, Stoltz variation
D35 QGD 3...Nf6
D35 QGD Harrwitz attack
D35 QGD exchange variation
D35 QGD exchange, Saemisch variation
D35 QGD exchange, positional line
D35 QGD exchange, chameleon variation
D35 QGD exchange, positional line, 5...c6
D36 QGD exchange, positional line, 6.Qc2
D37 QGD 4.Nf3
D37 QGD classical variation (5.Bf4)
D38 QGD Ragozin variation
D39 QGD Ragozin, Vienna variation
D40 QGD Semi-Tarrasch defence
D40 QGD Semi-Tarrasch, symmetrical variation
D40 QGD Semi-Tarrasch, Levenfish variation
D40 QGD Semi-Tarrasch defence, Pillsbury variation
D41 QGD Semi-Tarrasch, 5.cd
D41 QGD Semi-Tarrasch, Kmoch variation
D41 QGD Semi-Tarrasch, San Sebastian variation
D41 QGD Semi-Tarrasch with e3
D42 QGD Semi-Tarrasch, 7.Bd3
D43 QGD semi-Slav
D43 QGD semi-Slav Hastings variation
D44 QGD semi-Slav 5.Bg5 dc
D44 QGD semi-Slav Botvinnik system (anti-Meran)
D44 QGD semi-Slav Ekstrom variation
D44 QGD semi-Slav anti-Meran gambit
D44 QGD semi-Slav anti-Meran, Lilienthal variation
D44 QGD semi-Slav anti-Meran, Szabo variation
D44 QGD semi-Slav anti-Meran, Alatortsev system
D45 QGD semi-Slav 5.e3
D45 QGD semi-Slav stonewall defence
D45 QGD semi-Slav accelerated Meran (Alekhine variation)
D45 QGD semi-Slav 5...Nd7
D45 QGD semi-Slav Stoltz variation
D45 QGD semi-Slav Rubinstein (anti-Meran) system
D46 QGD semi-Slav 6.Bd3
D46 QGD semi-Slav Bogolyubov variation
D46 QGD semi-Slav Romih variation
D46 QGD semi-Slav Chigorin defence
D47 QGD semi-Slav 7.Bc4
D47 QGD semi-Slav Meran variation
D47 QGD semi-Slav neo-Meran (Lundin variation)
D47 QGD semi-Slav Meran, Wade variation
D48 QGD semi-Slav Meran, 8...a6
D48 QGD semi-Slav Meran, Pirc variation
D48 QGD semi-Slav Meran
D48 QGD semi-Slav Meran, Reynolds' variation
D48 QGD semi-Slav Meran, old main line
D49 QGD semi-Slav Meran, Blumenfeld variation
D49 QGD semi-Slav Meran, Rabinovich variation
D49 QGD semi-Slav Meran, Sozin variation
D49 QGD semi-Slav Meran, Stahlberg variation
D49 QGD semi-Slav Meran, Sozin variation
D49 QGD semi-Slav Meran, Rellstab attack
D50 QGD 4.Bg5
D50 QGD Been-Koomen variation
D50 QGD Semi-Tarrasch, Krause variation
D50 QGD Semi-Tarrasch, Primitive Pillsbury variation
D50 QGD Semi-Tarrasch
D50 QGD Canal (Venice) variation
D51 QGD 4.Bg5 Nbd7
D51 QGD Rochlin variation
D51 QGD Alekhine variation
D51 QGD
D51 QGD Manhattan variation
D51 QGD 5...c6
D51 QGD Capablanca anti-Cambridge Springs variation
D52 QGD
D52 QGD Cambridge Springs defence
D52 QGD Cambridge Springs defence, Bogoljubow variation
D52 QGD Cambridge Springs defence, Argentine variation
D52 QGD Cambridge Springs defence, Rubinstein variation
D52 QGD Cambridge Springs defence, Capablanca variation
D52 QGD Cambridge Springs defence, 7.cd
D52 QGD Cambridge Springs defence, Yugoslav variation
D53 QGD 4.Bg5 Be7
D53 QGD Lasker variation
D53 QGD 4.Bg5 Be7, 5.e3 O-O
D54 QGD Anti-neo-orthodox variation
D55 QGD 6.Nf3
D55 QGD Pillsbury attack
D55 QGD Neo-orthodox variation
D55 QGD Neo-orthodox variation, 7.Bxf6
D55 QGD Petrosian variation
D55 QGD Neo-orthodox variation, 7.Bh4
D56 QGD Lasker defence
D56 QGD Lasker defence, Teichmann variation
D56 QGD Lasker defence, Russian variation
D57 QGD Lasker defence, main line
D57 QGD Lasker defence, Bernstein variation
D58 QGD Tartakower (Makagonov-Bondarevsky) system
D59 QGD Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5
D59 QGD Tartakower variation
D60 QGD Orthodox defence
D60 QGD Orthodox defence, Botvinnik variation
D60 QGD Orthodox defence, Rauzer variation
D61 QGD Orthodox defence, Rubinstein variation
D62 QGD Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)
D63 QGD Orthodox defence, 7.Rc1
D63 QGD Orthodox defence, Pillsbury attack
D63 QGD Orthodox defence, Capablanca variation
D63 QGD Orthodox defence, Swiss (Henneberger) variation
D63 QGD Orthodox defence, Swiss, Karlsbad variation
D63 QGD Orthodox defence
D64 QGD Orthodox defence, Rubinstein attack (with Rc1)
D64 QGD Orthodox defence, Rubinstein attack, Wolf variation
D64 QGD Orthodox defence, Rubinstein attack, Karlsbad variation
D64 QGD Orthodox defence, Rubinstein attack, Gruenfeld variation
D65 QGD Orthodox defence, Rubinstein attack, main line
D66 QGD Orthodox defence, Bd3 line
D66 QGD Orthodox defence, Bd3 line, fianchetto variation
D67 QGD Orthodox defence, Bd3 line, Capablanca freeing manoevre
D67 QGD Orthodox defence, Bd3 line, Janowski variation
D67 QGD Orthodox defence, Bd3 line
D67 QGD Orthodox defence, Bd3 line, Alekhine variation
D67 QGD Orthodox defence, Bd3 line, 11.O-O
D68 QGD Orthodox defence, classical variation
D68 QGD Orthodox defence, classical, 13.d1b1 (Maroczy)
D68 QGD Orthodox defence, classical, 13.d1c2 (Vidmar)
D69 QGD Orthodox defence, classical, 13.de
D70 Neo-Gruenfeld defence
D70 Neo-Gruenfeld (Kemeri) defence
D71 Neo-Gruenfeld, 5.cd
D72 Neo-Gruenfeld, 5.cd, main line
D73 Neo-Gruenfeld, 5.Nf3
D74 Neo-Gruenfeld, 6.cd Nxd5, 7.O-O
D75 Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3
D75 Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc
D76 Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6
D77 Neo-Gruenfeld, 6.O-O
D78 Neo-Gruenfeld, 6.O-O c6
D79 Neo-Gruenfeld, 6.O-O, main line
D80 Gruenfeld defence
D80 Gruenfeld Spike gambit
D80 Gruenfeld Stockholm variation
D80 Gruenfeld Lundin variation
D81 Gruenfeld Russian variation
D82 Gruenfeld 4.Bf4
D83 Gruenfeld Gruenfeld gambit
D83 Gruenfeld Gruenfeld gambit, Capablanca variation
D83 Gruenfeld Gruenfeld gambit, Botvinnik variation
D84 Gruenfeld Gruenfeld gambit accepted
D85 Gruenfeld exchange variation
D85 Gruenfeld modern exchange variation
D86 Gruenfeld exchange, classical variation
D86 Gruenfeld exchange, Larsen variation
D86 Gruenfeld exchange, Simagin's lesser variation
D86 Gruenfeld exchange, Simagin's improved variation
D87 Gruenfeld exchange, Spassky variation
D87 Gruenfeld exchange, Seville variation
D88 Gruenfeld Spassky variation, main line, 10...cd, 11.cd
D89 Gruenfeld Spassky variation, main line, 13.Bd3
D89 Gruenfeld exchange, Sokolsky variation
D90 Gruenfeld Three knights variation
D90 Gruenfeld Schlechter variation
D90 Gruenfeld Three knights variation
D90 Gruenfeld Flohr variation
D91 Gruenfeld 5.Bg5
D92 Gruenfeld 5.Bf4
D93 Gruenfeld with Bf4 e3
D94 Gruenfeld 5.e3
D94 Gruenfeld Makogonov variation
D94 Gruenfeld Opovcensky variation
D94 Gruenfeld with e3 Bd3
D94 Gruenfeld Smyslov defence
D94 Gruenfeld Flohr defence
D95 Gruenfeld with e3 & Qb3
D95 Gruenfeld Botvinnik variation
D95 Gruenfeld Pachman variation
D96 Gruenfeld Russian variation
D97 Gruenfeld Russian variation with e4
D97 Gruenfeld Russian, Alekhine (Hungarian) variation
D97 Gruenfeld Russian, Szabo (Boleslavsky) variation
D97 Gruenfeld Russian, Levenfish variation
D97 Gruenfeld Russian, Byrne (Simagin) variation
D97 Gruenfeld Russian, Prins variation
D98 Gruenfeld Russian, Smyslov variation
D98 Gruenfeld Russian, Keres variation
D99 Gruenfeld defence Smyslov, main line
D99 Gruenfeld defence Smyslov, Yugoslav variation
E00 Queen's pawn game
E00 Neo-Indian (Seirawan) attack
E00 Catalan opening
E01 Catalan closed
E02 Catalan open, 5.Qa4
E03 Catalan open, Alekhine variation
E03 Catalan open, 5.Qa4 Nbd7, 6.Qxc4
E04 Catalan open, 5.Nf3
E05 Catalan open, classical line
E06 Catalan closed, 5.Nf3
E07 Catalan closed, 6...Nbd7
E07 Catalan closed, Botvinnik variation
E08 Catalan closed, 7.Qc2
E08 Catalan closed, Zagoryansky variation
E08 Catalan closed, Qc2 & b3
E08 Catalan closed, Spassky gambit
E09 Catalan closed, main line
E09 Catalan closed, Sokolsky variation
E10 Queen's pawn game
E10 Blumenfeld counter-gambit
E10 Blumenfeld counter-gambit accepted
E10 Blumenfeld counter-gambit, Dus-Chotimursky variation
E10 Blumenfeld counter-gambit, Spielmann variation
E10 Dzindzikhashvili defence
E10 Doery defence
E11 Bogo-Indian defence
E11 Bogo-Indian defence, Gruenfeld variation
E11 Bogo-Indian defence, Nimzovich variation
E11 Bogo-Indian defence, Monticelli trap
E12 Queen's Indian defence
E12 Queen's Indian Miles variation
E12 Queen's Indian Petrosian system
E12 Queen's Indian 4.Nc3
E12 Queen's Indian 4.Nc3, Botvinnik variation
E13 Queen's Indian 4.Nc3, main line
E14 Queen's Indian 4.e3
E14 Queen's Indian Averbakh variation
E15 Queen's Indian 4.g3
E15 Queen's Indian Nimzovich variation (exaggerated fianchetto)
E15 Queen's Indian 4.g3 Bb7
E15 Queen's Indian Rubinstein variation
E15 Queen's Indian Buerger variation
E16 Queen's Indian Capablanca variation
E16 Queen's Indian Yates variation
E16 Queen's Indian Riumin variation
E17 Queen's Indian 5.Bg2 Be7
E17 Queen's Indian anti-Queen's Indian system
E17 Queen's Indian Opovcensky variation
E17 Queen's Indian old main line, 6.O-O
E17 Queen's Indian Euwe variation
E18 Queen's Indian old main line, 7.Nc3
E19 Queen's Indian old main line, 9.Qxc3
E20 Nimzo-Indian defence
E20 Nimzo-Indian Kmoch variation
E20 Nimzo-Indian Mikenas attack
E20 Nimzo-Indian Romanishin-Kasparov (Steiner) system
E21 Nimzo-Indian three knights variation
E21 Nimzo-Indian three knights, Korchnoi variation
E21 Nimzo-Indian three knights, Euwe variation
E22 Nimzo-Indian Spielmann variation
E23 Nimzo-Indian Spielmann, 4...c5, 5.dc Nc6
E23 Nimzo-Indian Spielmann, Karlsbad variation
E23 Nimzo-Indian Spielmann, San Remo variation
E23 Nimzo-Indian Spielmann, Staahlberg variation
E24 Nimzo-Indian Saemisch variation
E24 Nimzo-Indian Saemisch, Botvinnik variation
E25 Nimzo-Indian Saemisch variation
E25 Nimzo-Indian Saemisch, Keres variation
E25 Nimzo-Indian Saemisch, Romanovsky variation
E26 Nimzo-Indian Saemisch variation
E26 Nimzo-Indian Saemisch, O'Kelly variation
E27 Nimzo-Indian Saemisch variation
E28 Nimzo-Indian Saemisch variation
E29 Nimzo-Indian Saemisch, main line
E29 Nimzo-Indian Saemisch, Capablanca variation
E30 Nimzo-Indian Leningrad variation
E30 Nimzo-Indian Leningrad, ...b5 gambit
E31 Nimzo-Indian Leningrad, main line
E32 Nimzo-Indian classical variation
E32 Nimzo-Indian classical, Adorjan gambit
E33 Nimzo-Indian classical, 4...Nc6
E33 Nimzo-Indian classical, Milner-Barry (Zurich) variation
E34 Nimzo-Indian classical, Noa variation
E35 Nimzo-Indian classical, Noa variation, 5.cd ed
E36 Nimzo-Indian classical, Noa variation, 5.a3
E36 Nimzo-Indian classical, Botvinnik variation
E36 Nimzo-Indian classical, Noa variation, main line
E37 Nimzo-Indian classical, Noa variation, main line, 7.Qc2
E37 Nimzo-Indian classical, San Remo variation
E38 Nimzo-Indian classical, 4...c5
E39 Nimzo-Indian classical, Pirc variation
E40 Nimzo-Indian 4.e3
E40 Nimzo-Indian 4.e3, Taimanov variation
E41 Nimzo-Indian 4.e3 c5
E41 Nimzo-Indian e3, Huebner variation
E42 Nimzo-Indian 4.e3 c5, 5.Ne2 (Rubinstein)
E43 Nimzo-Indian Fischer variation
E44 Nimzo-Indian Fischer variation, 5.Ne2
E45 Nimzo-Indian 4.e3, Bronstein (Byrne) variation
E46 Nimzo-Indian 4.e3 O-O
E46 Nimzo-Indian Reshevsky variation
E46 Nimzo-Indian Simagin variation
E47 Nimzo-Indian 4.e3 O-O, 5.Bd3
E48 Nimzo-Indian 4.e3 O-O, 5.Bd3 d5
E49 Nimzo-Indian 4.e3, Botvinnik system
E50 Nimzo-Indian 4.e3 e8g8, 5.Nf3, without ...d5
E51 Nimzo-Indian 4.e3 e8g8, 5.Nf3 d7d5
E51 Nimzo-Indian 4.e3, Ragozin variation
E52 Nimzo-Indian 4.e3, main line with ...b6
E53 Nimzo-Indian 4.e3, main line with ...c5
E53 Nimzo-Indian 4.e3, Keres variation
E53 Nimzo-Indian 4.e3, Gligoric system with 7...Nbd7
E54 Nimzo-Indian 4.e3, Gligoric system with 7...dc
E54 Nimzo-Indian 4.e3, Gligoric system, Smyslov variation
E55 Nimzo-Indian 4.e3, Gligoric system, Bronstein variation
E56 Nimzo-Indian 4.e3, main line with 7...Nc6
E57 Nimzo-Indian 4.e3, main line with 8...dc and 9...cd
E58 Nimzo-Indian 4.e3, main line with 8...Bxc3
E59 Nimzo-Indian 4.e3, main line
E60 King's Indian defence
E60 King's Indian, 3.Nf3
E60 Queen's pawn Mengarini attack
E60 King's Indian Anti-Gruenfeld
E60 King's Indian Danube gambit
E60 King's Indian 3.g3
E60 King's Indian 3.g3, counterthrust variation
E61 King's Indian defence, 3.Nc3
E61 King's Indian Smyslov system
E62 King's Indian fianchetto variation
E62 King's Indian fianchetto, Larsen system
E62 King's Indian fianchetto, Kavalek (Bronstein) variation
E62 King's Indian fianchetto with ...Nc6
E62 King's Indian fianchetto, Uhlmann (Szabo) variation
E62 King's Indian fianchetto, lesser Simagin (Spassky) variation
E62 King's Indian fianchetto, Simagin variation
E63 King's Indian fianchetto, Panno variation
E64 King's Indian fianchetto, Yugoslav system
E65 King's Indian fianchetto, Yugoslav, 7.O-O
E66 King's Indian fianchetto, Yugoslav Panno
E67 King's Indian fianchetto with ...Nd7
E67 King's Indian fianchetto, classical variation
E68 King's Indian fianchetto, classical variation, 8.e4
E69 King's Indian fianchetto, classical main line
E70 King's Indian 4.e4
E70 King's Indian Kramer system
E70 King's Indian accelerated Averbakh system
E71 King's Indian Makagonov system (5.h3)
E72 King's Indian with e4 & g3
E72 King's Indian Pomar system
E73 King's Indian 5.Be2
E73 King's Indian Semi-Averbakh system
E73 King's Indian Averbakh system
E74 King's Indian Averbakh, 6...c5
E75 King's Indian Averbakh, main line
E76 King's Indian Four pawns attack
E76 King's Indian Four pawns attack, dynamic line
E77 King's Indian Four pawns attack, 6.Be2
E77 King's Indian Six pawns attack
E77 King's Indian Four pawns attack
E77 King's Indian Four pawns attack, Florentine gambit
E78 King's Indian Four pawns attack, with Be2 and Nf3
E79 King's Indian Four pawns attack, main line
E80 King's Indian Saemisch variation
E81 King's Indian Saemisch, 5...O-O
E81 King's Indian Saemisch, Byrne variation
E82 King's Indian Saemisch, double fianchetto variation
E83 King's Indian Saemisch, 6...Nc6
E83 King's Indian Saemisch, Ruban variation
E83 King's Indian Saemisch, Panno formation
E84 King's Indian Saemisch, Panno main line
E85 King's Indian Saemisch, orthodox variation
E86 King's Indian Saemisch, orthodox, 7.Nge2 c6
E87 King's Indian Saemisch, orthodox, 7.d5
E87 King's Indian Saemisch, orthodox, Bronstein variation
E88 King's Indian Saemisch, orthodox, 7.d5 c6
E89 King's Indian Saemisch, orthodox main line
E90 King's Indian 5.Nf3
E90 King's Indian Larsen variation
E90 King's Indian Zinnowitz variation
E91 King's Indian 6.Be2
E91 King's Indian Kazakh variation
E92 King's Indian classical variation
E92 King's Indian Andersson variation
E92 King's Indian Gligoric-Taimanov system
E92 King's Indian Petrosian system
E92 King's Indian Petrosian system, Stein variation
E93 King's Indian Petrosian system, main line
E93 King's Indian Petrosian system, Keres variation
E94 King's Indian orthodox variation
E94 King's Indian orthodox, Donner variation
E94 King's Indian orthodox, 7...Nbd7
E95 King's Indian orthodox, 7...Nbd7, 8.Re1
E96 King's Indian orthodox, 7...Nbd7, main line
E97 King's Indian orthodox, Aronin-Taimanov variation
E97 King's Indian orthodox, Aronin-Taimanov, bayonet attack
E98 King's Indian orthodox, Aronin-Taimanov, 9.Ne1
E99 King's Indian orthodox, Aronin-Taimanov, main line
E99 King's Indian orthodox, Aronin-Taimanov, Benko attack

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