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Game result  (poker)


H. Kruse, 2141
N. Bernal Varela, 2321

1-0

See game 99206




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Chess openings



Here is the complete list of chess openings sorted by ECO code.


ECO codes     (chess openings)


  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 defense
  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 defense
  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, Bogoljubov 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 defense
  A13     English : Neo-Catalan
  A13     English : Neo-Catalan accepted
  A14     English : Neo-Catalan declined
  A14     English : Symmetrical, Keres defense
  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     Variation Nimzo-English Opening : 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 defense
  A21     English, Keres variation
  A21     English Opening
  A21     English, Smyslov defense
  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) defense
  A40     Queen's pawn : Charlick (Englund) gambit
  A40     Queen's pawn : Englund gambit
  A40     Queen's pawn : English defense
  A40     Polish defense
  A40     Queen's pawn
  A40     Queen's pawn : Keres defense
  A40     Queen's pawn : Franco-Indian (Keres) defense
  A40     Modern defense
  A40     Beefeater defense
  A41     Queen's Pawn
  A41     Old Indian : Tartakower (Wade) variation
  A41     Old Indian defense
  A41     Modern defense
  A41     Robatsch defense : Rossolimo variation
  A42     Modern defense : Averbakh system
  A42     Pterodactyl defense
  A42     Modern defense : Averbakh system, Randspringer variation
  A42     Modern defense : Averbakh system, Kotov variation
  A43     Old Benoni defense
  A43     Old Benoni : Franco-Benoni defense
  A43     Old Benoni : Mujannah formation
  A43     Old Benoni defense
  A43     Woozle defense
  A43     Old Benoni defense
  A43     Hawk (Habichd) defense
  A43     Old Benoni defense
  A43     Old Benoni : Schmid's system
  A44     Old Benoni defense
  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     Trompowsky 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 defense
  A47     Queen's Indian defense
  A47     Queen's Indian : Marienbad system
  A47     Queen's Indian : Marienbad system, Berg variation
  A48     King's Indian : East Indian defense
  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 defense
  A50     Queen's Indian Accelerated
  A51     Budapest defense declined
  A51     Budapest : Fajarowicz variation
  A51     Budapest : Fajarowicz, Steiner variation
  A52     Budapest defense
  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 defense
  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 defense
  A56     Benoni defense, Hromodka system
  A56     Vulture defense
  A56     Czech Benoni defense
  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 defense
  A61     Benoni defense
  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 defense
  A81     Dutch defense, Blackburne variation
  A81     Dutch defense
  A81     Dutch : Leningrad, Basman system
  A81     Dutch : Leningrad, Karlsbad variation
  A82     Dutch : Staunton gambit
  A82     Dutch : Balogh defense
  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 defense
  A84     Dutch defense : Bladel variation
  A84     Dutch defense
  A84     Dutch defense, Rubinstein variation
  A84     Dutch : Staunton gambit deferred
  A84     Dutch defense
  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 defense
  A90     Dutch defense : Dutch-Indian (Nimzo-Dutch) variation
  A90     Dutch-Indian, Alekhine variation
  A91     Dutch defense
  A92     Dutch defense
  A92     Dutch defense, 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 defense
  B00     Corn stalk defense
  B00     Lemming defense
  B00     Fred
  B00     Barnes defense
  B00     Fried fox defense
  B00     Carr's defense
  B00     Reversed Grob (Borg/Basman defense/macho Grob)
  B00     St. George (Baker) defense
  B00     Owen defense
  B00     Guatemala defense
  B00     KP : Nimzovich defense
  B00     KP : Nimzovich defense, Wheeler gambit
  B00     KP : Nimzovich defense
  B00     KP : Colorado counter
  B00     KP : Nimzovich defense
  B00     KP : Nimzovich defense, Marshall gambit
  B00     KP : Nimzovich defense, Bogolyubov variation
  B00     KP : Neo-Mongoloid defense
  B01     Scandinavian (centre counter) defense
  B01     Scandinavian defense, Lasker variation
  B01     Scandinavian defense
  B01     Scandinavian defense, 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 defense
  B01     Scandinavian : Icelandic gambit
  B01     Scandinavian gambit
  B01     Scandinavian defense
  B01     Scandinavian : Marshall variation
  B01     Scandinavian : Kiel variation
  B01     Scandinavian : Richter variation
  B02     Alekhine's defense
  B02     Alekhine's defense : Scandinavian variation
  B02     Alekhine's defense : Spielmann variation
  B02     Alekhine's defense : Maroczy variation
  B02     Alekhine's defense : Krejcik variation
  B02     Alekhine's defense : Mokele Mbembe (Buecker) variation
  B02     Alekhine's defense : Brooklyn defense
  B02     Alekhine's defense
  B02     Alekhine's defense : Kmoch variation
  B02     Alekhine's defense : Saemisch attack
  B02     Alekhine's defense : Welling variation
  B02     Alekhine's defense
  B02     Alekhine's defense : Steiner variation
  B02     Alekhine's defense : Two pawns' (Lasker's) attack
  B02     Alekhine's defense : Two pawns' attack, Mikenas variation
  B03     Alekhine's defense
  B03     Alekhine's defense : O'Sullivan gambit
  B03     Alekhine's defense
  B03     Alekhine's defense : Balogh variation
  B03     Alekhine's defense
  B03     Alekhine's defense : Exchange variation
  B03     Alekhine's defense : Exchange, Karpov variation
  B03     Alekhine's defense : Four pawns attack
  B03     Alekhine's defense : Four pawns attack, Korchnoi variation
  B03     Alekhine's defense : Four pawns attack, 6...Nc6
  B03     Alekhine's defense : Four pawns attack, Ilyin-Genevsky var.
  B03     Alekhine's defense : Four pawns attack, 7.Be3
  B03     Alekhine's defense : Four pawns attack, Tartakower variation
  B03     Alekhine's defense : Four pawns attack, Planinc variation
  B03     Alekhine's defense : Four pawns attack, Fianchetto variation
  B03     Alekhine's defense : Four pawns attack, Trifunovic variation
  B04     Alekhine's defense : Modern variation
  B04     Alekhine's defense : Modern, Larsen variation
  B04     Alekhine's defense : Modern, Schmid variation
  B04     Alekhine's defense : Modern, Fianchetto variation
  B04     Alekhine's defense : Modern, Keres variation
  B05     Alekhine's defense : Modern variation, 4...Bg4
  B05     Alekhine's defense : Modern, Flohr variation
  B05     Alekhine's defense : Modern, Panov variation
  B05     Alekhine's defense : Modern, Alekhine variation
  B05     Alekhine's defense : Modern, Vitolins attack
  B06     Robatsch (Modern) defense
  B06     Norwegian defense
  B06     Robatsch (Modern) defense
  B06     Robatsch defense : Three pawns attack
  B06     Robatsch defense
  B06     Robatsch defense : Gurgenidze variation
  B06     Robatsch (Modern) defense
  B06     Robatsch defense : Two knights variation
  B06     Robatsch defense : Two knights, Suttles variation
  B06     Robatsch defense : Pseudo-Austrian attack
  B07     Pirc defense
  B07     Pirc : Ufimtsev-Pytel variation
  B07     Pirc defense
  B07     Pirc : 150 attack
  B07     Pirc : Sveshnikov system
  B07     Pirc : Holmov system
  B07     Pirc : Byrne variation
  B07     Pirc defense
  B07     Pirc : Chinese variation
  B07     Pirc : bayonet (Mariotti) attack
  B07     Robatsch defense : 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 defense
  B10     Caro-Kann : Hillbilly attack
  B10     Caro-Kann : Anti-Caro-Kann defense
  B10     Caro-Kann : Anti-anti-Caro-Kann defense
  B10     Caro-Kann : Closed (Breyer) variation
  B10     Caro-Kann defense
  B10     Caro-Kann : GOldman (Spielmann) variation
  B10     Caro-Kann : Two knights variation
  B11     Caro-Kann : Two knights, 3...Bg4
  B12     Caro-Kann defense
  B12     de Bruycker defense
  B12     Caro-Masi defense
  B12     Caro-Kann defense
  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 defense
  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 defense
  B15     Caro-Kann : Gurgenidze counter-attack
  B15     Caro-Kann : Gurgenidze system
  B15     Caro-Kann : Rasa-Studier gambit
  B15     Caro-Kann defense
  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 defense
  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 defense
  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 defense
  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 defense
  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 defense
  B32     Sicilian : Flohr variation
  B32     Sicilian : Nimzovich variation
  B32     Sicilian : Labourdonnais-Loewenthal variation
  B32     Sicilian : Labourdonnais-Loewenthal (Kalashnikov) variation
  B33     Sicilian defense
  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 defense
  B40     Sicilian : Marshall variation
  B40     Sicilian defense
  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 defense
  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 defense, 9.f4
  B64     Sicilian : Richter-Rauzer, Rauzer attack, Geller variation
  B65     Sicilian : Richter-Rauzer, Rauzer attack, 7...Be7 defense, 9...Nxd4
  B65     Sicilian : Richter-Rauzer, Rauzer attack, 7...Be7 defense, 9...Nxd4
  B66     Sicilian : Richter-Rauzer, Rauzer attack, 7...a6
  B67     Sicilian : Richter-Rauzer, Rauzer attack, 7...a6 defense, 8...Bd7
  B68     Sicilian : Richter-Rauzer, Rauzer attack, 7...a6 defense, 9...Be7
  B69     Sicilian : Richter-Rauzer, Rauzer attack, 7...a6 defense, 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 defense
  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 defense
  C00     French defense, Steiner variation
  C00     French : Reti (Spielmann) variation
  C00     French : Steinitz attack
  C00     French : Labourdonnais variation
  C00     French defense
  C00     French : Wing gambit
  C00     French defense
  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 defense
  C00     Lengfellner system
  C00     St. George defense
  C00     French defense
  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 defense
  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     Variation Indian Opening : Indian Opening
  C20     Variation Mengarini's Opening : Mengarini's Opening
  C20     Variation King's head Opening : King's head Opening
  C20     Variation Patzer Opening : Patzer Opening
  C20     Variation Napoleon's Opening : Napoleon's Opening
  C20     Variation Lopez Opening : Lopez Opening
  C20     Alapin's Opening
  C21     Centre game
  C21     Centre game, Kieseritsky variation
  C21     Halasz gambit
  C21     Danish gambit
  C21     Danish gambit : Collijn defense
  C21     Danish gambit : Schlechter defense
  C21     Danish gambit : Soerensen defense
  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 defense
  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 defense
  C25     Vienna : Paulsen variation
  C25     Vienna : Fyfe gambit
  C25     Vienna gambit
  C25     Vienna : Steinitz gambit
  C25     Vienna : Steinitz gambit, Zukertort defense
  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 defense
  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 defense
  C30     KGD : Mafia defense
  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 defense
  C33     KGA : Bishop's gambit, Grimm attack
  C33     KGA : Bishop's gambit, Classical defense
  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 defense, Cozio attack
  C33     KGA : Bishop's gambit, Boden defense
  C33     KGA : Bishop's gambit, Bryan counter-gambit
  C33     KGA : Bishop's gambit, Bryan counter-gambit
  C33     KGA : Bishop's gambit, Steinitz defense
  C33     KGA : Bishop's gambit, Maurian defense
  C33     KGA : Bishop's gambit, Ruy Lopez defense
  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) defense
  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 defense
  C34     KGA : Becker defense
  C34     KGA : Schallop defense
  C35     KGA : Cunningham defense
  C35     KGA : Cunningham, Bertin gambit
  C35     KGA : Cunningham, Three pawns gambit
  C35     KGA : Cunningham, Euwe defense
  C36     KGA : Abbazia defense (Classical defense, Modern defense!)
  C36     KGA : Abbazia defense, Modern variation
  C36     KGA : Abbazia defense, 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 defense
  C37     KGA : Muzio gambit, Holloway defense
  C37     KGA : Muzio gambit, Kling and Horwitz counter-attack
  C37     KGA : Muzio gambit, Brentano defense
  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 defense
  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 defense
  C39     KGA : Kieseritsky, Paulsen defense
  C39     KGA : Kieseritsky, long whip (Stockwhip, Classical) defense
  C39     KGA : Kieseritsky, long whip defense, Jaenisch variation
  C39     KGA : Kieseritsky, Brentano (Campbell) defense
  C39     KGA : Kieseritsky, Brentano defense, Kaplanek variation
  C39     KGA : Kieseritsky, Brentano defense
  C39     KGA : Kieseritsky, Brentano defense, Caro variation
  C39     KGA : Kieseritsky, Salvio (Rosenthal) defense
  C39     KGA : Kieseritsky, Salvio defense, Cozio variation
  C39     KGA : Kieseritsky, Polerio defense
  C39     KGA : Kieseritsky, Neumann defense
  C39     KGA : Kieseritsky, Kolisch defense
  C39     KGA : Kieseritsky, Berlin defense
  C39     KGA : Kieseritsky, Berlin defense, Riviere variation
  C39     KGA : Kieseritsky, Berlin defense, 6.Bc4
  C39     KGA : Kieseritsky, Rice gambit
  C40     King's knight Opening
  C40     Gunderam defense
  C40     Greco defense
  C40     Damiano's defense
  C40     QP counter-gambit (elephant gambit)
  C40     QP counter-gambit : Maroczy gambit
  C40     Latvian counter-gambit
  C40     Latvian : Nimzovich variation
  C40     Latvian : Fraser defense
  C40     Latvian gambit, 3.Bc4
  C40     Latvian : Behting variation
  C40     Latvian : Polerio variation
  C40     Latvian : corkscrew counter-gambit
  C41     Philidor's defense
  C41     Philidor : Steinitz variation
  C41     Philidor : Lopez counter-gambit
  C41     Philidor : Lopez counter-gambit, Jaenisch variation
  C41     Philidor's defense
  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 defense
  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 defense
  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 defense
  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 defense
  C44     Scotch gambit : Dubois-Reti defense
  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 defense
  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 defense (Gothic defense)
  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 defense
  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 defense
  C50     Hungarian defense : 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 defense
  C51     Evans gambit : 5...Be7
  C51     Evans gambit : Cordel variation
  C52     Evans gambit
  C52     Evans gambit : compromised defense
  C52     Evans gambit : compromised defense, Paulsen variation
  C52     Evans gambit : compromised defense, 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 defense
  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 defense
  C55     Giuoco piano : Rosentreter variation
  C55     Giuoco piano
  C55     Giuoco piano : Holzhausen attack
  C55     Two knights defense (Modern Bishop's Opening)
  C55     Two knights defense
  C55     Two knights defense, Keidanz variation
  C55     Two knights defense, Perreux variation
  C55     Two knights defense
  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 defense
  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 defense
  C56     Two knights defense : Yurdansky attack
  C56     Two knights defense : Canal variation
  C57     Two knights defense
  C57     Two knights defense : Wilkes Barre (Traxler) variation
  C57     Two knights defense : Ulvestad variation
  C57     Two knights defense : Fritz variation
  C57     Two knights defense : Fritz, Gruber variation
  C57     Two knights defense : Lolli attack
  C57     Two knights defense : Pincus variation
  C57     Two knights defense : Fegatello attack
  C57     Two knights defense : Fegatello attack, Leonhardt variation
  C57     Two knights defense : Fegatello attack, Polerio defense
  C58     Two knights defense
  C58     Two knights defense : Kieseritsky variation
  C58     Two knights defense : Yankovich variation
  C58     Two knights defense : Maroczy variation
  C58     Two knights defense
  C58     Two knights defense : Bogolyubov variation
  C58     Two knights defense : Paoli variation
  C58     Two knights defense : Colman variation
  C58     Two knights defense : Blackburne variation
  C58     Two knights defense
  C59     Two knights defense
  C59     Two knights defense : Knorre variation
  C59     Two knights defense : Goering variation
  C59     Two knights defense : Steinitz variation
  C60     Ruy Lopez (Spanish Opening)
  C60     Ruy Lopez : Nuernberg variation
  C60     Ruy Lopez : Pollock defense
  C60     Ruy Lopez : Lucena defense
  C60     Ruy Lopez : Vinogradov variation
  C60     Ruy Lopez : Brentano defense
  C60     Ruy Lopez : Fianchetto (Smyslov/Barnes) defense
  C60     Ruy Lopez : Cozio defense
  C60     Ruy Lopez : Cozio defense, Paulsen variation
  C61     Ruy Lopez : Bird's defense
  C61     Ruy Lopez : Bird's defense, Paulsen variation
  C62     Ruy Lopez : Old Steinitz defense
  C62     Ruy Lopez : Old Steinitz defense, Nimzovich attack
  C62     Ruy Lopez : Old Steinitz defense, Semi-Duras variation
  C63     Ruy Lopez : Schliemann defense
  C63     Ruy Lopez : Schliemann defense, Berger variation
  C64     Ruy Lopez : Classical (Cordel) defense
  C64     Ruy Lopez : Classical defense, Zaitsev variation
  C64     Ruy Lopez : Classical defense, 4.c3
  C64     Ruy Lopez : Classical defense, Benelux variation
  C64     Ruy Lopez : Classical defense, Charousek variation
  C64     Ruy Lopez : Classical defense, Boden variation
  C64     Ruy Lopez : Cordel gambit
  C65     Ruy Lopez : Berlin defense
  C65     Ruy Lopez : Berlin defense, Nyholm attack
  C65     Ruy Lopez : Berlin defense, Mortimer variation
  C65     Ruy Lopez : Berlin defense, Mortimer trap
  C65     Ruy Lopez : Berlin defense, Anderssen variation
  C65     Ruy Lopez : Berlin defense, Duras variation
  C65     Ruy Lopez : Berlin defense, Kaufmann variation
  C65     Ruy Lopez : Berlin defense, 4.O-O
  C65     Ruy Lopez : Berlin defense, Beverwijk variation
  C66     Ruy Lopez : Berlin defense, 4.O-O, d6
  C66     Ruy Lopez : Berlin defense, hedgehog variation
  C66     Ruy Lopez : Berlin defense, Tarrasch trap
  C66     Ruy Lopez : Closed Berlin defense, Bernstein variation
  C66     Ruy Lopez : Closed Berlin defense, Showalter variation
  C66     Ruy Lopez : Closed Berlin defense, Wolf variation
  C66     Ruy Lopez : Closed Berlin defense, Chigorin variation
  C67     Ruy Lopez : Berlin defense, Open variation
  C67     Ruy Lopez : Open Berlin defense, l'Hermet variation
  C67     Ruy Lopez : Open Berlin defense, Showalter variation
  C67     Ruy Lopez : Open Berlin defense, 5...Be7
  C67     Ruy Lopez : Berlin defense, Rio de Janeiro variation
  C67     Ruy Lopez : Berlin defense, Zukertort variation
  C67     Ruy Lopez : Berlin defense, Pillsbury variation
  C67     Ruy Lopez : Berlin defense, Winawer attack
  C67     Ruy Lopez : Berlin defense, Cordel variation
  C67     Ruy Lopez : Berlin defense, Trifunovic variation
  C67     Ruy Lopez : Berlin defense, Minckwitz variation
  C67     Ruy Lopez : Berlin defense, 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 defense deferred
  C70     Ruy Lopez : Cozio defense deferred
  C70     Ruy Lopez : Bird's defense deferred
  C70     Ruy Lopez : Alapin's defense deferred
  C70     Ruy Lopez : Classical defense deferred
  C70     Ruy Lopez : Caro variation
  C70     Ruy Lopez : Graz variation
  C70     Ruy Lopez : Taimanov (chase/wing/Accelerated counterthrust) variation
  C70     Ruy Lopez : Schliemann defense deferred
  C71     Ruy Lopez : Modern Steinitz defense
  C71     Ruy Lopez : Noah's ark trap
  C71     Ruy Lopez : Modern Steinitz defense, Three knights variation
  C71     Ruy Lopez : Modern Steinitz defense, Duras (Keres) variation
  C72     Ruy Lopez : Modern Steinitz defense, 5.O-O
  C73     Ruy Lopez : Modern Steinitz defense, Richter variation
  C73     Ruy Lopez : Modern Steinitz defense, Alapin variation
  C74     Ruy Lopez : Modern Steinitz defense
  C74     Ruy Lopez : Modern Steinitz defense, siesta variation
  C74     Ruy Lopez : Siesta, Kopayev variation
  C75     Ruy Lopez : Modern Steinitz defense
  C75     Ruy Lopez : Modern Steinitz defense, Rubinstein variation
  C76     Ruy Lopez : Modern Steinitz defense, Fianchetto (Bronstein) variation
  C77     Ruy Lopez : Morphy defense
  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 defense, 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 defense
  C79     Ruy Lopez : Steinitz defense deferred (Russian defense)
  C79     Ruy Lopez : Steinitz defense deferred, Lipnitsky variation
  C79     Ruy Lopez : Steinitz defense deferred, Rubinstein variation
  C79     Ruy Lopez : Steinitz defense deferred, Boleslavsky variation
  C80     Ruy Lopez : Open (Tarrasch) defense
  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 defense
  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 defense
  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 defense
  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 defense
  C94     Ruy Lopez : Closed, Breyer defense
  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 defense
  C96     Ruy Lopez : Closed (10...c5)
  C96     Ruy Lopez : Closed, Borisenko defense
  C96     Ruy Lopez : Closed, Keres (...Nd7) defense
  C97     Ruy Lopez : Closed, Chigorin defense
  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 defense
  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) defense
  D06     QGD : Marshall defense
  D06     QGD : Symmetrical (Austrian) defense
  D07     QGD : Chigorin defense
  D07     QGD : Chigorin defense, 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 defense
  D10     QGD Slav defense, Alekhine variation
  D10     QGD Slav : Winawer counter-gambit
  D10     QGD Slav defense : 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 defense
  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 defense
  D21     QGA : 3.Nf3
  D21     QGA : Ericson variation
  D21     QGA : Alekhine defense, Borisenko-Furman variation
  D22     QGA : Alekhine defense
  D22     QGA : Alekhine defense, 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 defense
  D32     QGD : Tarrasch, von Hennig-Schara gambit
  D32     QGD : Tarrasch defense, 4.cd ed
  D32     QGD : Tarrasch defense, Tarrasch gambit
  D32     QGD : Tarrasch defense, Marshall gambit
  D32     QGD : Tarrasch defense
  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 defense
  D40     QGD : Semi-Tarrasch, Symmetrical variation
  D40     QGD : Semi-Tarrasch, Levenfish variation
  D40     QGD : Semi-Tarrasch defense, 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 defense
  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 defense
  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 defense
  D52     QGD : Cambridge Springs defense, Bogoljubow variation
  D52     QGD : Cambridge Springs defense, Argentine variation
  D52     QGD : Cambridge Springs defense, Rubinstein variation
  D52     QGD : Cambridge Springs defense, Capablanca variation
  D52     QGD : Cambridge Springs defense, 7.cd
  D52     QGD : Cambridge Springs defense, 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 defense
  D56     QGD : Lasker defense, Teichmann variation
  D56     QGD : Lasker defense, Russian variation
  D57     QGD : Lasker defense, Main line
  D57     QGD : Lasker defense, Bernstein variation
  D58     QGD : Tartakower (Makagonov-Bondarevsky) system
  D59     QGD : Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5
  D59     QGD : Tartakower variation
  D60     QGD : Orthodox defense
  D60     QGD : Orthodox defense, Botvinnik variation
  D60     QGD : Orthodox defense, Rauzer variation
  D61     QGD : Orthodox defense, Rubinstein variation
  D62     QGD : Orthodox defense, 7.Qc2 c5, 8.cd (Rubinstein)
  D63     QGD : Orthodox defense, 7.Rc1
  D63     QGD : Orthodox defense, Pillsbury attack
  D63     QGD : Orthodox defense, Capablanca variation
  D63     QGD : Orthodox defense, Swiss (Henneberger) variation
  D63     QGD : Orthodox defense, Swiss, Karlsbad variation
  D63     QGD : Orthodox defense
  D64     QGD : Orthodox defense, Rubinstein attack (with Rc1)
  D64     QGD : Orthodox defense, Rubinstein attack, Wolf variation
  D64     QGD : Orthodox defense, Rubinstein attack, Karlsbad variation
  D64     QGD : Orthodox defense, Rubinstein attack, Gruenfeld variation
  D65     QGD : Orthodox defense, Rubinstein attack, Main line
  D66     QGD : Orthodox defense, Bd3 line
  D66     QGD : Orthodox defense, Bd3 line, Fianchetto variation
  D67     QGD : Orthodox defense, Bd3 line, Capablanca freeing manoevre
  D67     QGD : Orthodox defense, Bd3 line, Janowski variation
  D67     QGD : Orthodox defense, Bd3 line
  D67     QGD : Orthodox defense, Bd3 line, Alekhine variation
  D67     QGD : Orthodox defense, Bd3 line, 11.O-O
  D68     QGD : Orthodox defense, Classical variation
  D68     QGD : Orthodox defense, Classical, 13.d1b1 (Maroczy)
  D68     QGD : Orthodox defense, Classical, 13.d1c2 (Vidmar)
  D69     QGD : Orthodox defense, Classical, 13.de
  D70     Neo-Gruenfeld defense
  D70     Neo-Gruenfeld (Kemeri) defense
  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 defense
  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 defense
  D94     Gruenfeld : Flohr defense
  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 defense : Smyslov, Main line
  D99     Gruenfeld defense : 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 defense
  E10     Doery defense
  E11     Bogo-Indian defense
  E11     Bogo-Indian defense, Gruenfeld variation
  E11     Bogo-Indian defense, Nimzovich variation
  E11     Bogo-Indian defense, Monticelli trap
  E12     Queen's Indian defense
  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 defense
  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