CCRL 40/4
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 1'626'652 games
played by 1'934 programs
21844 CPU days (X2 4600+)

White wins: 635'703 (39.1%)
Black wins: 517'026 (31.8%)
Draws: 473'923 (29.1%)
White score: 53.6%

Opening statistics

This page shows how many games in our database were played from various known openings. The table also shows average draw percentage and white score we observed in our games.

ECOOpeningNumber
of
games
DrawsWhite
score
B90Sicilian, Najdorf, Byrne (English) attack4847624.8%51.5%
D45QGD semi-Slav, Stoltz variation3761530.6%52.4%
E15Queen's Indian, Nimzovich variation (exaggerated fianchetto)3141629.4%54.9%
B12Caro-Kann, advance variation2114624.9%53.9%
D47QGD semi-Slav, Meran, Wade variation2100429.3%52.9%
D43QGD semi-Slav1913529.2%53.5%
B22Sicilian, Alapin's variation (2.c3)1676631.7%54.0%
A29English, four knights, kingside fianchetto1646030.6%51.5%
B66Sicilian, Richter-Rauzer, Rauzer attack, 7...a61486425.0%51.2%
A04Reti opening1485427.7%52.9%
D02Queen's pawn game1391827.5%52.9%
A15English opening1264333.1%54.0%
D58QGD, Tartakower (Makagonov-Bondarevsky) system1261032.5%52.6%
B90Sicilian, Najdorf1186524.9%51.1%
E12Queen's Indian, Petrosian system1129931.9%53.4%
A00Benko's opening1106630.7%50.8%
B92Sicilian, Najdorf, Opovcensky variation1098929.8%52.5%
B47Sicilian, Taimanov (Bastrikov) variation1094630.7%54.3%
A20English opening1086528.4%52.2%
E04Catalan, open, 5.Nf31065832.5%53.3%
B27Sicilian, Hungarian variation1024433.6%57.2%
A07Reti, King's Indian attack (Barcza system)989529.6%53.0%
B06Robatsch (modern) defence980829.5%56.3%
A05Reti opening944028.6%52.6%
C11French, Burn variation916530.8%52.0%
B84Sicilian, Scheveningen (Paulsen), classical variation909329.0%51.7%
E32Nimzo-Indian, classical variation870232.4%53.1%
B40Sicilian defence854328.8%52.5%
E97King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)850625.0%55.5%
B19Caro-Kann, classical, Spassky variation844127.7%57.5%
A30English, symmetrical variation839629.1%53.7%
D12QGD Slav, 4.e3 Bf5805028.2%54.4%
A80Dutch775826.4%54.1%
D37QGD, classical variation (5.Bf4)768533.2%53.4%
C67Ruy Lopez, Berlin defence, open variation763634.3%52.6%
A30English, symmetrical, hedgehog system757131.9%55.8%
D85Gruenfeld, modern exchange variation745436.8%53.5%
C10French, Rubinstein variation745132.7%53.4%
C88Ruy Lopez, closed, 7...O-O742630.1%51.7%
D38QGD, Ragozin variation740432.3%53.6%
C00French, King's Indian attack736828.6%50.9%
A81Dutch defence717028.5%56.2%
A45Trompovsky attack (Ruth, Opovcensky opening)712424.8%51.7%
B67Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7708625.1%52.6%
B48Sicilian, Taimanov variation697227.8%54.1%
E12Queen's Indian, 4.Nc3678529.1%52.6%
C11French, Steinitz, Boleslavsky variation666526.4%54.6%
B30Sicilian, Nimzovich-Rossolimo attack (without ...d6)652729.0%54.5%
E10Queen's pawn game650031.5%54.3%
E00Catalan opening640130.8%54.1%
D48QGD semi-Slav, Meran, 8...a6639931.0%48.8%
D30Queen's gambit declined636530.5%53.3%
D37QGD, 4.Nf3635032.3%53.1%
E06Catalan, closed, 5.Nf3628734.5%54.2%
C07French, Tarrasch, open variation626332.6%52.8%
C91Ruy Lopez, closed, Bogolyubov variation616932.0%51.9%
A46Queen's pawn game606227.5%53.9%
B20Sicilian defence604024.1%48.6%
B43Sicilian, Kan, 5.Nc3595928.9%55.3%
B33Sicilian, Pelikan, Chelyabinsk variation569926.9%55.2%
B23Sicilian, closed568026.6%53.0%
B46Sicilian, Taimanov variation561028.8%54.7%
B14Caro-Kann, Panov-Botvinnik attack, 5...e6554633.4%55.0%
A40Queen's pawn549725.8%53.6%
B10Caro-Kann defence541324.9%53.8%
B17Caro-Kann, Steinitz variation531929.0%53.9%
A45Queen's pawn game519426.3%51.2%
B56Sicilian514726.3%54.4%
B50Sicilian513727.9%52.7%
B57Sicilian, Sozin, Benko variation512329.4%51.0%
C19French, Winawer, advance, poisoned pawn variation509124.4%58.7%
D10QGD Slav defence501229.8%54.4%
D27QGA, classical, 6...a6491336.0%53.7%
D11QGD Slav, 3.Nf3487328.2%54.3%
B01Scandinavian (centre counter) defence484927.3%59.7%
A41Queen's Pawn481423.1%56.1%
A07Reti, King's Indian attack, Yugoslav variation479931.3%53.8%
B08Pirc, classical system, 5.Be2478731.2%58.3%
A13English opening473325.4%53.1%
B81Sicilian, Scheveningen, Keres attack469125.9%58.9%
A00Clemenz (Mead's, Basman's or de Klerk's) opening465223.6%49.4%
D11QGD Slav, 4.e3463030.1%55.3%
A10English opening461925.1%53.3%
E60King's Indian, 3.Nf3461229.1%55.6%
B35Sicilian, accelerated fianchetto, modern variation with Bc4451334.3%53.6%
B45Sicilian, Taimanov variation447027.3%54.4%
C65Ruy Lopez, Berlin defence446729.8%51.3%
C53Giuoco Piano438327.8%52.7%
C43Petrov, modern attack, Symmetrical variation437131.3%53.6%
B42Sicilian, Kan, 5.Bd3436229.2%56.8%
B89Sicilian, Sozin, 7.Be3425526.8%49.0%
B30Sicilian defence415428.6%52.2%
C88Ruy Lopez, closed409927.3%48.2%
A06Reti, Nimzovich-Larsen attack400531.3%50.9%
A33English, symmetrical variation400335.4%52.2%
B09Pirc, Austrian attack, 6.Bd3399830.8%58.0%
D97Gruenfeld, Russian, Alekhine (Hungarian) variation398531.5%51.4%
B31Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)398430.2%55.5%
A35English, symmetrical, four knights system395130.1%53.0%
D15QGD Slav, 4.Nc3392928.7%52.7%
D20QGA, 3.e4392628.9%56.0%
D27QGA, classical, Rubinstein variation387134.2%55.1%
C91Ruy Lopez, closed, 9.d4377226.9%55.7%
C00French defence369323.3%55.1%
E11Bogo-Indian defence, Gruenfeld variation365830.6%55.3%
A21English, Kramnik-Shirov counterattack358028.7%52.6%
E11Bogo-Indian defence353932.6%55.5%
A40Queen's pawn, Keres defence353027.7%55.3%
C92Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)352132.5%53.7%
C45Scotch game351131.7%53.3%
D02Queen's bishop game343627.9%51.0%
C78Ruy Lopez, Archangelsk (counterthrust) variation342829.5%54.4%
C42Petrov, classical attack, Jaenisch variation341235.0%56.3%
D45QGD semi-Slav, accelerated Meran (Alekhine variation)338833.0%53.4%
B97Sicilian, Najdorf, Poisoned pawn variation333627.2%44.4%
B23Sicilian, closed, 2...Nc6330927.7%53.1%
A21English opening329427.3%54.1%
E21Nimzo-Indian, three knights variation328129.0%51.7%
A41Old Indian, Tartakower (Wade) variation327824.6%58.5%
A40Queen's pawn, Franco-Indian (Keres) defence326828.8%55.6%
E63King's Indian, fianchetto, Panno variation325128.7%57.0%
A07Reti, King's Indian attack324733.9%52.9%
A06Reti opening318826.6%53.3%
E98King's Indian, orthodox, Aronin-Taimanov, 9.Ne1314321.2%59.1%
C08French, Tarrasch, open, 4.ed ed314036.7%53.0%
C00French, Chigorin variation313724.7%50.8%
E97King's Indian, orthodox, Aronin-Taimanov, bayonet attack311328.7%57.7%
D47QGD semi-Slav, Meran variation310831.4%53.0%
B33Sicilian, Sveshnikov variation310026.4%52.8%
C90Ruy Lopez, closed, Pilnik variation306826.1%52.2%
E18Queen's Indian, old main line, 7.Nc3301732.9%55.9%
C89Ruy Lopez, Marshall counter-attack299433.6%51.4%
A41Old Indian defence298926.1%51.1%
C02French, advance, Euwe variation298425.2%52.2%
E55Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation295534.8%53.5%
B38Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3291638.8%57.2%
E58Nimzo-Indian, 4.e3, main line with 8...Bxc3288328.7%48.6%
A03Bird's opening286624.0%48.9%
B01Scandinavian, Pytel-Wade variation286133.9%59.9%
B42Sicilian, Kan, Polugaievsky variation285826.8%54.3%
C03French, Tarrasch284530.0%56.2%
A33English, symmetrical, Geller variation283930.6%52.9%
C19French, Winawer, advance, positional main line282423.3%57.5%
A13English opening, Agincourt variation282327.8%52.2%
B00King's pawn opening281825.3%53.6%
D85Gruenfeld, exchange variation281335.7%52.7%
A01Nimzovich-Larsen attack, modern variation279931.2%50.1%
E14Queen's Indian, 4.e3272729.8%52.1%
C06French, Tarrasch, closed variation, main line270232.1%55.4%
A02Bird's opening269929.3%49.9%
E11Bogo-Indian defence, Nimzovich variation266928.7%56.5%
D19QGD Slav, Dutch variation266629.1%56.4%
B07Pirc defence265826.1%54.7%
A22English, Bremen, Smyslov system262428.3%49.0%
D31QGD, semi-Slav, Marshall gambit262328.9%54.9%
B51Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack262130.3%55.5%
D00Levitsky attack (Queen's bishop attack)260024.7%49.8%
E94King's Indian, orthodox, 7...Nbd7257626.5%57.0%
C78Ruy Lopez, 5.O-O257431.7%55.0%
B90Sicilian, Najdorf, Adams attack255023.6%53.0%
D10QGD Slav defence, exchange variation251430.9%51.8%
A17English, Nimzo-English opening250630.8%54.6%
A43Old Benoni defence249325.4%55.4%
B93Sicilian, Najdorf, 6.f4249229.3%49.4%
B00KP, Nimzovich defence246723.8%57.7%
D30QGD246332.2%52.0%
B06Robatsch defence, Two knights, Suttles variation245934.4%58.2%
B97Sicilian, Najdorf, 7...Qb6245523.7%46.5%
E92King's Indian, Gligoric-Taimanov system244624.7%57.4%
C42Petrov, classical attack, Marshall variation241929.4%55.3%
C90Ruy Lopez, closed (with ...d6)239927.6%49.3%
A34English, symmetrical, three knights system237234.9%52.4%
D35QGD, exchange, positional line236728.0%53.2%
A80Dutch, 2.Bg5 variation235922.9%53.3%
C95Ruy Lopez, closed, Breyer, Borisenko variation232630.2%56.3%
D07QGD, Chigorin defence228627.6%57.5%
E81King's Indian, Saemisch, 5...O-O226725.2%54.1%
A04Reti v Dutch226425.7%56.3%
A13English, Neo-Catalan accepted225433.5%54.3%
B90Sicilian, Najdorf, Lipnitzky attack225328.9%48.6%
A31English, symmetrical, Benoni formation222628.3%54.5%
B18Caro-Kann, classical, 6.h4222131.2%53.3%
B49Sicilian, Taimanov variation222131.2%55.2%
B10Caro-Kann, anti-anti-Caro-Kann defence220534.1%51.9%
B40Sicilian, Anderssen variation219531.8%55.6%
C09French, Tarrasch, open variation, main line218537.1%55.8%
A05Reti, King's Indian attack218029.9%55.4%
D04Queen's pawn game217330.4%53.3%
A88Dutch, Leningrad, main variation with c6217131.2%57.0%
E60King's Indian, 3.g3215631.4%55.9%
A49King's Indian, fianchetto without c4213028.0%54.2%
C02French, advance, Paulsen attack211524.5%53.5%
E68King's Indian, fianchetto, classical variation, 8.e4211529.1%58.7%
E54Nimzo-Indian, 4.e3, Gligoric system with 7...dc211035.7%53.7%
B21Sicilian, Grand Prix attack209025.5%49.5%
B63Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7208227.8%52.1%
C99Ruy Lopez, closed, Chigorin, 12...c5d4206834.2%59.0%
A40Modern defence206624.5%56.1%
E59Nimzo-Indian, 4.e3, main line206630.7%54.2%
C01French, exchange variation205931.2%53.5%
E42Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)204731.2%55.3%
D91Gruenfeld, 5.Bg5204431.8%49.6%
C45Scotch, Mieses variation204333.2%51.0%
A90Dutch defence204226.1%55.8%
C02French, advance variation204125.2%53.8%
D00Queen's pawn game198425.1%51.3%
B18Caro-Kann, classical variation196430.5%55.3%
D20Queen's gambit accepted195930.6%55.2%
C42Petrov, classical attack194331.2%57.3%
A36English, ultra-symmetrical variation192928.8%49.3%
D00Queen's pawn, Mason variation192824.5%51.9%
A50Queen's pawn game192728.3%55.8%
C05French, Tarrasch, closed variation192324.2%56.9%
D05Queen's pawn game191628.6%53.6%
D44QGD semi-Slav, anti-Meran gambit191026.1%60.0%
A00Dunst (Sleipner, Heinrichsen) opening190523.3%52.1%
C50Giuoco Pianissimo189730.0%52.2%
B96Sicilian, Najdorf, 7.f4188723.4%49.0%
E94King's Indian, orthodox variation188231.5%57.1%
A34English, symmetrical variation185126.4%50.6%
B13Caro-Kann, Panov-Botvinnik attack182432.5%53.6%
A48King's Indian, Torre attack182329.5%49.9%
B12Caro-Kann defence181322.1%56.5%
E15Queen's Indian, 4.g3180741.0%55.2%
C11French, Steinitz variation179426.8%53.8%
D31QGD, Charousek (Petrosian) variation177828.3%53.5%
A53Old Indian defence177729.3%55.4%
B10Caro-Kann, closed (Breyer) variation174924.7%50.5%
A01Nimzovich-Larsen attack, classical variation174726.7%48.8%
D77Neo-Gruenfeld, 6.O-O173733.8%53.2%
C97Ruy Lopez, closed, Chigorin defence172523.0%60.0%
B89Sicilian, Velimirovic attack169424.4%50.9%
A13English, Neo-Catalan169130.2%53.5%
E19Queen's Indian, old main line, 9.Qxc3168533.1%54.7%
D35QGD, exchange, positional line, 5...c6168128.4%55.6%
B32Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation167029.3%54.0%
D78Neo-Gruenfeld, 6.O-O c6166532.8%54.1%
A48King's Indian, East Indian defence162428.6%53.4%
A15English, 1...Nf6 (Anglo-Indian defense)161926.3%52.5%
A22English, Bremen, reverse dragon161534.4%53.2%
D02Queen's pawn game, Chigorin variation161524.3%54.6%
A84Dutch defence161125.8%57.4%
B99Sicilian, Najdorf, 7...Be7 main line159422.0%54.5%
C88Ruy Lopez, closed, anti-Marshall 8.a4157728.7%51.8%
E60King's Indian defence157523.6%53.2%
B94Sicilian, Najdorf, 6.Bg5157025.2%52.9%
C85Ruy Lopez, Exchange variation doubly deferred (DERLD)156331.0%53.3%
A09Reti, advance variation154825.6%47.8%
B07Robatsch defence, Geller's system154329.9%56.9%
A56Benoni defence154226.8%58.9%
E53Nimzo-Indian, 4.e3, main line with ...c5153937.0%51.5%
C10French, Paulsen variation153227.3%56.5%
B65Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4151630.6%56.8%
A70Benoni, classical with e4 and Nf3151427.1%59.6%
B11Caro-Kann, Two knights, 3...Bg4151325.4%53.1%
C48Four knights, Rubinstein counter-gambit150426.4%53.8%
B39Sicilian, accelerated fianchetto, Breyer variation149832.9%60.9%
D00Queen's pawn, Chigorin variation148721.9%51.8%
B01Scandinavian defence148529.6%57.6%
B52Sicilian, Canal-Sokolsky attack, 3...Bd7148134.9%50.5%
A00Polish (Sokolsky) opening148028.2%50.7%
D39QGD, Ragozin, Vienna variation146736.5%50.7%
E00Queen's pawn game146127.7%53.9%
E46Nimzo-Indian, Reshevsky variation144628.1%52.4%
B36Sicilian, accelerated fianchetto, Maroczy bind142035.7%55.9%
B80Sicilian, Scheveningen variation141724.0%53.7%
A11English, Caro-Kann defensive system141027.8%55.6%
E12Queen's Indian, Miles variation140131.6%53.0%
D45QGD semi-Slav, 5.e3139428.5%56.9%
A28English, four knights, Marini variation139331.6%54.0%
B91Sicilian, Najdorf, Zagreb (fianchetto) variation139127.2%51.1%
A89Dutch, Leningrad, main variation with Nc6138028.7%57.6%
B87Sicilian, Sozin with ...a6 and ...b5137527.6%48.4%
D06QGD, Grau (Sahovic) defence137325.1%56.0%
C77Ruy Lopez, Anderssen variation137030.1%49.6%
C24Bishop's opening, Berlin defence136927.5%52.4%
A28English, four knights, 4.e3136827.8%51.3%
C55Two knights defence (Modern bishop's opening)135829.9%56.3%
A25English, closed system135528.3%53.1%
D13QGD Slav, exchange variation135532.0%53.3%
E39Nimzo-Indian, classical, Pirc variation135432.1%56.5%
B95Sicilian, Najdorf, 6...e6134427.0%53.4%
B60Sicilian, Richter-Rauzer134225.9%57.5%
B76Sicilian, dragon, Yugoslav attack, Rauser variation134026.0%59.3%
D48QGD semi-Slav, Meran, Reynolds' variation133928.7%55.8%
A46Queen's pawn, Torre attack133126.6%51.9%
C80Ruy Lopez, open, 8...Be6132132.0%46.1%
D86Gruenfeld, exchange, classical variation130931.8%54.5%
E17Queen's Indian, Opovcensky variation130729.9%58.0%
E61King's Indian defence, 3.Nc3130427.9%54.0%
D26QGA, classical variation130234.3%54.6%
B10Caro-Kann, anti-Caro-Kann defence129826.0%56.9%
A10English, Anglo-Dutch defense129624.7%55.2%
A62Benoni, fianchetto variation129122.4%55.5%
C15French, Winawer (Nimzovich) variation129131.4%53.1%
C50Giuoco Piano128429.9%50.6%
D45QGD semi-Slav, 5...Nd7128426.4%51.4%
A00Van't Kruijs opening128326.6%51.9%
D31QGD, semi-Slav128030.9%54.1%
C41Philidor, exchange variation127625.7%57.8%
B04Alekhine's defence, modern, Larsen variation127132.3%56.8%
A46Queen's pawn, Yusupov-Rubinstein system126830.2%51.1%
A09Reti accepted126327.7%53.0%
C41Philidor, Improved Hanham variation125627.1%56.8%
E69King's Indian, fianchetto, classical main line125630.3%60.0%
A28English, four knights, Nimzovich variation125029.4%52.0%
B06Robatsch defence125028.1%59.0%
C19French, Winawer, advance, poisoned pawn, Konstantinopolsky variation123925.7%60.3%
E56Nimzo-Indian, 4.e3, main line with 7...Nc6123829.9%54.6%
C96Ruy Lopez, closed (10...c5)121529.7%58.9%
D73Neo-Gruenfeld, 5.Nf3121540.3%53.3%
A57Benko gambit half accepted120829.6%57.9%
E92King's Indian, Petrosian system, Stein variation120527.2%53.1%
D01Richter-Veresov attack119926.3%46.6%
B20Sicilian, Steinitz variation119525.4%53.7%
A16English opening118827.4%54.0%
D76Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6118434.6%55.6%
E90King's Indian, 5.Nf3118423.5%54.3%
A39English, symmetrical, main line with d4118038.1%55.0%
C84Ruy Lopez, closed defence117932.1%52.0%
B09Pirc, Austrian attack, dragon formation116731.4%53.8%
A28English, four knights, Romanishin variation116334.1%50.6%
D21QGA, 3.Nf3116326.1%55.2%
D97Gruenfeld, Russian, Prins variation115734.2%55.4%
A55Old Indian, main line115626.7%62.6%
D34QGD, Tarrasch, Prague variation, Normal position115134.1%58.2%
E62King's Indian, fianchetto, Kavalek (Bronstein) variation115129.7%58.2%
A57Benko gambit114924.9%54.7%
B34Sicilian, accelerated fianchetto, modern variation114432.6%51.7%
B20Sicilian, Keres variation (2.Ne2)114325.7%53.1%
B23Sicilian, chameleon variation114227.7%55.3%
B33Sicilian, Pelikan (Lasker/Sveshnikov) variation113823.9%53.5%
A50Kevitz-Trajkovich defence113327.6%53.6%
A08Reti, King's Indian attack, French variation112530.8%50.9%
B52Sicilian, Canal-Sokolsky attack, Sokolsky variation112333.6%54.2%
A08Reti, King's Indian attack112029.5%54.8%
B15Caro-Kann, Tartakower (Nimzovich) variation112032.1%53.0%
C00French defence, Steiner variation111727.8%49.8%
D34QGD, Tarrasch, Prague variation, 9.Bg5111438.3%57.7%
A42Pterodactyl defence110927.1%61.7%
C89Ruy Lopez, Marshall, main line, 12.d2d4110827.4%55.9%
D92Gruenfeld, 5.Bf4109432.8%55.1%
C16French, Winawer, advance variation109323.9%56.9%
A56Benoni defence, Hromodka system108821.0%58.7%
A14English, Neo-Catalan declined108735.6%52.7%
A25English, Sicilian reversed107526.5%51.9%
A48King's Indian, London system107128.6%51.9%
B13Caro-Kann, exchange variation106927.3%50.7%
B78Sicilian, dragon, Yugoslav attack, 10.O-O-O106224.1%54.3%
A44Semi-Benoni (`blockade variation')105621.3%61.2%
E20Nimzo-Indian, Kmoch variation105524.5%54.3%
A22English opening104625.7%50.5%
D30QGD, Vienna variation104439.9%52.5%
B54Sicilian103726.2%54.1%
D52QGD, Cambridge Springs defence, Yugoslav variation103627.5%58.3%
B07Pirc, Sveshnikov system103127.4%52.3%
C42Petrov, classical attack, Chigorin variation102134.4%53.8%
A09Reti opening101727.1%53.5%
B32Sicilian defence101328.0%52.4%
B21Sicilian, Smith-Morra gambit100528.3%50.0%
C45Scotch, Schmidt variation99939.8%50.7%
D40QGD, Semi-Tarrasch defence99633.4%51.8%
B12Caro-Kann, Tartakower (fantasy) variation97927.2%55.2%
B33Sicilian defence97829.2%52.8%
B44Sicilian, Szen (`anti-Taimanov') variation97631.5%51.5%
E95King's Indian, orthodox, 7...Nbd7, 8.Re197626.6%56.0%
C26Vienna, Paulsen-Mieses variation97230.6%50.6%
E67King's Indian, fianchetto, classical variation96631.5%55.1%
E35Nimzo-Indian, classical, Noa variation, 5.cd ed96132.9%49.7%
A47Queen's Indian defence95728.1%53.4%
C80Ruy Lopez, open, Bernstein variation95636.0%58.2%
D30QGD Slav95631.4%52.8%
B06Robatsch defence, Pseudo-Austrian attack95225.5%59.3%
B53Sicilian, Chekhover variation93936.6%49.6%
A01Nimzovich-Larsen attack93626.2%51.3%
A37English, symmetrical variation93628.8%53.0%
C42Petrov's defence93624.8%53.8%
A59Benko gambit, main line93434.3%62.3%
A42Modern defence, Averbakh system93229.4%57.9%
E41Nimzo-Indian, e3, Huebner variation93225.9%49.3%
D03Torre attack (Tartakower variation)92323.2%50.5%
A00Saragossa opening92219.4%50.5%
C89Ruy Lopez, Marshall counter-attack, 11...c692234.9%48.7%
D41QGD, Semi-Tarrasch, 5.cd92135.3%57.1%
C14French, classical, Steinitz variation91926.4%57.6%
D31QGD, 3.Nc391828.5%54.8%
B19Caro-Kann, classical, 7...Nd791124.7%52.0%
B01Scandinavian, Marshall variation90128.1%60.1%
B05Alekhine's defence, modern variation, 4...Bg490028.9%64.7%
C46Four knights game89729.0%50.1%
A14English, Symmetrical, Keres defence89036.3%55.0%
B08Pirc, classical (two knights) system89028.0%56.5%
D17QGD Slav, Czech defence88435.7%53.8%
D18QGD Slav, Dutch variation88432.0%57.9%
E44Nimzo-Indian, Fischer variation, 5.Ne288424.5%56.7%
E17Queen's Indian, old main line, 6.O-O88330.2%56.6%
B58Sicilian, Boleslavsky variation88033.2%49.0%
B04Alekhine's defence, modern, fianchetto variation87931.1%55.5%
E91King's Indian, 6.Be287325.0%59.8%
B10Caro-Kann, Two knights variation86427.4%55.6%
C00French, Two knights variation85524.4%49.8%
E73King's Indian, Averbakh system85428.8%52.2%
D46QGD semi-Slav, Chigorin defence84932.7%53.5%
E47Nimzo-Indian, 4.e3 O-O, 5.Bd384237.4%54.8%
B25Sicilian, closed, 6.f484129.3%50.2%
B83Sicilian, modern Scheveningen84130.4%50.1%
D26QGA, 4...e684132.2%53.0%
E84King's Indian, Saemisch, Panno main line84121.9%52.1%
D79Neo-Gruenfeld, 6.O-O, main line83437.1%53.1%
A58Benko gambit accepted83131.0%55.5%
D17QGD Slav, Krause attack83126.1%58.2%
B07Pirc, Ufimtsev-Pytel variation83024.1%55.9%
D02Queen's pawn game, Krause variation82733.6%51.8%
E71King's Indian, Makagonov system (5.h3)82725.5%55.2%
B83Sicilian, Scheveningen, 6.Be282131.1%51.1%
C89Ruy Lopez, Marshall, main line, 14...Qh382142.1%48.8%
E70King's Indian, 4.e482125.7%54.4%
D80Gruenfeld defence81841.7%53.5%
A22English, Carls' Bremen system81725.9%54.8%
D30QGD, Capablanca-Duras variation81628.3%52.4%
B28Sicilian, O'Kelly variation81228.3%57.0%
A32English, symmetrical variation80929.0%52.6%
D47QGD semi-Slav, 7.Bc480927.6%57.8%
E34Nimzo-Indian, classical, Noa variation80533.5%52.7%
E41Nimzo-Indian, 4.e3 c580333.4%49.9%
D05Colle system79830.5%52.3%
B41Sicilian, Kan, Maroczy bind (Reti variation)79528.9%54.1%
A05Reti, King's Indian attack, Spassky's variation79229.9%53.0%
A87Dutch, Leningrad, main variation78828.6%59.7%
C19French, Winawer, advance, 6...Ne778726.2%59.6%
C47Four knights, Scotch, 4...exd478636.4%50.9%
C78Ruy Lopez, Moeller defence78430.0%52.1%
C18French, Winawer, classical variation78320.9%56.4%
B82Sicilian, Scheveningen, 6.f478029.9%55.7%
D29QGA, classical, 8...Bb777731.4%47.5%
E16Queen's Indian, Yates variation77631.6%58.8%
A56Czech Benoni defence77525.4%61.6%
E38Nimzo-Indian, classical, 4...c577430.1%57.2%
B03Alekhine's defence76723.9%53.4%
B70Sicilian, dragon variation76629.8%50.0%
E52Nimzo-Indian, 4.e3, main line with ...b676532.7%52.5%
B03Alekhine's defence, exchange variation76431.4%58.1%
B09Pirc, Austrian attack76127.7%58.1%
D05Queen's pawn game, Rubinstein (Colle-Zukertort) variation76132.3%55.6%
B06Robatsch defence, Gurgenidze variation75924.4%64.0%
E20Nimzo-Indian, Romanishin-Kasparov (Steiner) system75728.9%50.0%
C17French, Winawer, advance, 5.a375525.3%57.3%
D14QGD Slav, exchange variation, 6.Bf4 Bf575131.7%51.3%
D30QGD, Hastings variation75035.6%50.6%
C12French, MacCutcheon, Lasker variation, 8...g674924.6%54.6%
B09Pirc, Austrian attack, 6.Be374825.7%55.5%
C18French, Winawer, advance variation74720.5%57.1%
A07Reti, King's Indian attack, Keres variation74630.8%51.9%
C25Vienna game74625.6%52.1%
D94Gruenfeld, 5.e373835.1%58.1%
B58Sicilian, classical73635.2%52.0%
A13English, Romanishin gambit73131.3%54.4%
A61Benoni defence73124.8%58.6%
A38English, symmetrical variation72529.4%52.8%
B16Caro-Kann, Bronstein-Larsen variation72424.4%60.8%
C42Petrov, Nimzovich attack72133.6%54.4%
B00Owen defence71825.1%55.8%
A52Budapest, Rubinstein variation71436.6%58.8%
D47QGD semi-Slav, neo-Meran (Lundin variation)71231.2%56.2%
D31QGD, semi-Slav, Abrahams variation71030.0%44.4%
A37English, symmetrical, Botvinnik system reversed70827.4%51.0%
D25QGA, Janowsky-Larsen variation70729.1%56.2%
B85Sicilian, Scheveningen, classical main line70540.0%54.0%
A00Anderssen's opening70321.9%47.5%
B83Sicilian, modern Scheveningen, main line70335.8%52.6%
D31QGD, semi-Slav, Noteboom variation70328.4%52.2%
D90Gruenfeld, Three knights variation69834.4%53.7%
E91King's Indian, Kazakh variation69729.4%57.5%
A61Benoni, Nimzovich (knight's tour) variation69227.7%57.4%
D52QGD, Cambridge Springs defence, Bogoljubow variation69129.7%54.3%
E45Nimzo-Indian, 4.e3, Bronstein (Byrne) variation68531.2%54.7%
C44Ponziani, Jaenisch counter-attack68231.8%46.6%
D17QGD Slav, Carlsbad variation68232.7%52.3%
C64Ruy Lopez, classical (Cordel) defence68031.8%51.6%
A42Modern defence, Averbakh system, Kotov variation67824.9%58.0%
D87Gruenfeld, exchange, Spassky variation67834.4%57.3%
C63Ruy Lopez, Schliemann defence, Berger variation67533.5%55.9%
D93Gruenfeld with Bf4 e367538.2%52.9%
C02French, advance, Steinitz variation67228.6%49.7%
B08Pirc, classical, h3 system67130.0%56.4%
B88Sicilian, Sozin, Leonhardt variation66633.0%49.5%
E48Nimzo-Indian, 4.e3 O-O, 5.Bd3 d566631.4%51.9%
A40Queen's pawn, Lundin (Kevitz-Mikenas) defence66326.8%56.6%
D17QGD Slav, Wiesbaden variation66127.7%58.5%
A20English, Nimzovich, Flohr variation66029.5%46.6%
A25English, closed, 5.Rb165828.9%51.8%
C77Ruy Lopez, Wormald (Alapin) attack65633.1%50.7%
A84Dutch defence, Rubinstein variation64728.1%56.9%
B56Sicilian, Venice attack64634.4%63.2%
A36English, symmetrical, Botvinnik system64328.0%56.3%
C00French, Labourdonnais variation63725.6%49.1%
E09Catalan, closed, main line63728.7%57.1%
C00St. George defence63626.6%55.3%
E43Nimzo-Indian, Fischer variation63329.9%54.9%
A53Old Indian, Janowski variation63219.8%58.8%
C69Ruy Lopez, exchange variation, 5.O-O63228.2%53.2%
A52Budapest, Adler variation62929.9%59.1%
D42QGD, Semi-Tarrasch, 7.Bd362636.9%57.9%
C62Ruy Lopez, old Steinitz defence62527.8%54.2%
A28English, four knights system62225.1%52.3%
A01Nimzovich-Larsen attack, symmetrical variation61730.1%49.6%
B64Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f461632.6%54.5%
C44Scotch gambit, Dubois-Reti defence61631.3%49.9%
A01Nimzovich-Larsen attack, Indian variation61525.2%54.7%
D53QGD, 4.Bg5 Be761235.1%56.5%
B76Sicilian, dragon, Yugoslav attack, 7...O-O60430.0%51.1%
B15Caro-Kann defence60125.3%49.3%
C25Vienna, Paulsen variation59922.9%50.5%
B24Sicilian, closed59627.9%49.2%
B61Sicilian, Richter-Rauzer, Larsen variation, 7.Qd259427.8%60.2%
C76Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation59328.2%51.0%
C11French defence59125.4%48.6%
D98Gruenfeld, Russian, Smyslov variation59027.5%53.9%
B06Robatsch defence, Two knights variation58929.7%57.8%
C69Ruy Lopez, exchange, Gligoric variation58834.4%53.7%
B07Pirc, 150 attack58630.0%52.6%
B80Sicilian, Scheveningen, English variation58525.0%50.8%
A30English, symmetrical, hedgehog, flexible formation58136.3%56.9%
D80Gruenfeld, Stockholm variation57734.5%50.0%
D00Queen's pawn, Mason variation, Steinitz counter-gambit57430.3%50.2%
B23Sicilian, Grand Prix attack57226.4%52.5%
E33Nimzo-Indian, classical, Milner-Barry (Zurich) variation57027.2%52.9%
C64Ruy Lopez, classical defence, Benelux variation 56933.6%50.9%
D07QGD, Chigorin defence, Janowski variation56724.0%61.7%
E00Neo-Indian (Seirawan) attack56723.8%49.8%
D82Gruenfeld, 4.Bf456332.9%53.7%
C92Ruy Lopez, closed, 9.h355726.6%55.8%
B02Alekhine's defence55632.7%56.1%
D25QGA, 4.e355429.1%57.5%
C65Ruy Lopez, Berlin defence, Beverwijk variation55130.1%53.0%
D59QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd554837.6%51.1%
E86King's Indian, Saemisch, orthodox, 7.Nge2 c654622.3%54.9%
B57Sicilian, Sozin, not Scheveningen54529.4%55.2%
B62Sicilian, Richter-Rauzer, Keres variation54330.4%53.9%
C41Philidor's defence54028.9%56.9%
A10English, Adorjan defence53936.5%51.7%
A85Dutch with c4 & Nc353933.4%55.8%
D74Neo-Gruenfeld, 6.cd Nxd5, 7.O-O53733.9%56.8%
A96Dutch, classical variation53531.0%61.9%
D49QGD semi-Slav, Meran, Blumenfeld variation53529.7%51.5%
A40Queen's pawn, English defence53021.1%54.9%
B80Sicilian, Scheveningen, fianchetto variation52928.4%51.6%
C42Petrov three knights game52628.5%54.0%
B26Sicilian, closed, 6.Be352525.1%47.8%
D56QGD, Lasker defence52329.8%52.0%
B15Caro-Kann, Gurgenidze system52228.2%57.8%
C70Ruy Lopez, Classical defence deferred52126.5%51.8%
B29Sicilian, Nimzovich-Rubinstein variation52029.2%56.2%
D55QGD, Neo-orthodox variation, 7.Bh452031.9%53.7%
D61QGD, Orthodox defence, Rubinstein variation51730.2%53.2%
B62Sicilian, Richter-Rauzer, Margate (Alekhine) variation51532.8%49.6%
E88King's Indian, Saemisch, orthodox, 7.d5 c651130.7%55.1%
C50Giuoco Pianissimo, Italian four knights variation51028.4%55.6%
E01Catalan, closed51030.4%53.4%
E12Queen's Indian defence51029.2%51.1%
D96Gruenfeld, Russian variation50930.5%53.9%
C72Ruy Lopez, modern Steinitz defence, 5.O-O50529.7%55.8%
D23QGA, Mannheim variation50431.7%54.6%
C69Ruy Lopez, exchange, Bronstein variation50230.9%51.7%
C49Four knights, symmetrical variation49831.5%49.9%
A00Mieses opening49718.1%52.7%
A99Dutch, Ilyin-Genevsky variation with b349724.9%59.2%
E62King's Indian, fianchetto, Uhlmann (Szabo) variation49730.2%58.1%
C80Ruy Lopez, open, 7.Bb349430.8%52.0%
E05Catalan, open, classical line49430.8%56.1%
E80King's Indian, Saemisch variation49325.2%55.6%
A28English, four knights, Capablanca variation49029.4%53.1%
C49Four knights, symmetrical, Metger unpin49035.1%52.4%
A90Dutch defence, Dutch-Indian (Nimzo-Dutch) variation48328.4%60.6%
D44QGD semi-Slav, anti-Meran, Lilienthal variation48321.3%58.7%
D19QGD Slav, Dutch variation, main line48134.7%52.1%
B12Caro-Kann, 3.Nd247926.7%59.1%
C43Petrov, modern attack, main line47832.2%58.6%
C60Ruy Lopez, fianchetto (Smyslov/Barnes) defence47234.7%53.0%
A27English, three knights system46926.9%52.7%
B77Sicilian, dragon, Yugoslav attack, 9...Bd746525.6%55.2%
C00French, Schlechter variation46431.5%50.9%
D55QGD, Petrosian variation46438.6%52.7%
E30Nimzo-Indian, Leningrad variation46331.1%51.0%
E66King's Indian, fianchetto, Yugoslav Panno46127.1%55.6%
E87King's Indian, Saemisch, orthodox, 7.d546120.6%62.1%
A95Dutch, stonewall with Nc346026.5%53.9%
B54Sicilian, Prins (Moscow) variation46030.9%52.4%
C10French, Fort Knox variation45933.8%54.1%
B63Sicilian, Richter-Rauzer, Rauzer attack45726.7%55.8%
C12French, MacCutcheon, Lasker variation45719.9%51.8%
B14Caro-Kann, Panov-Botvinnik attack, 5...g645139.2%54.2%
B69Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf644823.9%57.3%
C64Ruy Lopez, classical defence, 4.c344228.1%52.5%
D46QGD semi-Slav, Bogolyubov variation44130.4%56.5%
C04French, Tarrasch, Guimard main line43926.0%56.0%
A23English, Bremen system, Keres variation43733.0%48.5%
E49Nimzo-Indian, 4.e3, Botvinnik system43529.7%48.2%
B07Pirc, Byrne variation43225.0%55.8%
A07Reti, King's Indian attack (with ...c5)43125.8%48.4%
E36Nimzo-Indian, classical, Noa variation, 5.a343132.7%56.0%
E62King's Indian, fianchetto, lesser Simagin (Spassky) variation43123.4%58.6%
D12QGD Slav, exchange variation43024.9%53.4%
B44Sicilian defence42729.5%52.9%
D32QGD, Tarrasch defence42731.1%54.7%
E92King's Indian, Andersson variation42039.3%52.7%
E16Queen's Indian, Riumin variation41632.2%56.0%
A01Nimzovich-Larsen attack, English variation41428.0%51.2%
B44Sicilian, Szen, hedgehog variation41330.0%48.2%
D49QGD semi-Slav, Meran, Sozin variation41239.8%49.0%
A26English, Botvinnik system41024.4%47.8%
E08Catalan, closed, Qc2 & b341028.5%51.6%
A77Benoni, classical, 9...Re8, 10.Nd240825.0%55.9%
D26QGA, classical variation, 6.O-O40836.8%57.8%
D52QGD, Cambridge Springs defence, 7.cd40832.4%57.6%
D10QGD Slav defence, Alekhine variation40720.6%56.0%
C77Ruy Lopez, Morphy defence40532.8%54.4%
E16Queen's Indian, Capablanca variation40432.9%57.5%
D34QGD, Tarrasch, Prague variation, 7...Be739930.3%59.3%
B20Sicilian, wing gambit, Marshall variation39727.5%40.9%
E25Nimzo-Indian, Saemisch, Keres variation39630.8%51.5%
A58Benko gambit, fianchetto variation39529.4%55.2%
B04Alekhine's defence, modern variation39521.8%61.3%
C46Four knights, Italian variation39529.1%48.2%
C60Ruy Lopez, Cozio defence39127.1%57.5%
C87Ruy Lopez, closed, Averbach variation39129.9%57.4%
A67Benoni, Taimanov variation38919.5%59.1%
B75Sicilian, dragon, Yugoslav attack38929.3%51.7%
C23Bishop's opening38824.2%52.8%
D44QGD semi-Slav, 5.Bg5 dc38834.0%49.0%
C02French, advance, Wade variation38627.5%54.9%
D99Gruenfeld defence, Smyslov, main line38530.6%61.6%
C13French, Albin-Alekhine-Chatard attack38222.0%56.5%
C22Centre game, Berger variation38226.2%54.2%
D81Gruenfeld, Russian variation37933.8%55.7%
C15French, Winawer, Alekhine (Maroczy) gambit37731.3%56.5%
D36QGD, exchange, positional line, 6.Qc237733.4%51.2%
D70Neo-Gruenfeld defence37623.9%53.5%
B02Alekhine's defence, Scandinavian variation37527.5%55.6%
B05Alekhine's defence, modern, Flohr variation37530.7%64.9%
E10Blumenfeld counter-gambit, Dus-Chotimursky variation37528.5%55.3%
C50King's pawn game37422.7%54.4%
D66QGD, Orthodox defence, Bd3 line37430.2%55.7%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc337343.2%54.3%
D22QGA, Alekhine defence37233.6%57.4%
D35QGD, exchange variation37231.7%56.2%
C16French, Winawer, Petrosian variation37023.8%54.1%
A35English, symmetrical variation36927.6%57.5%
A12English, London defensive system36732.2%49.0%
A12English, Torre defensive system36535.1%51.8%
A17English opening36531.0%52.7%
C63Ruy Lopez, Schliemann defence36526.8%56.7%
B36Sicilian, accelerated fianchetto, Gurgenidze variation36038.1%53.5%
E13Queen's Indian, 4.Nc3, main line35925.9%55.6%
C28Vienna game35829.3%51.8%
A34English, symmetrical, Rubinstein system35732.8%53.4%
D16QGD Slav, Steiner variation35728.9%59.0%
D44QGD semi-Slav, Botvinnik system (anti-Meran)35524.2%47.9%
C79Ruy Lopez, Steinitz defence deferred (Russian defence)35432.8%52.0%
A40Polish defence35324.9%57.2%
B23Sicilian, closed, Korchnoi variation34933.2%48.4%
D41QGD, Semi-Tarrasch with e334636.4%54.6%
B60Sicilian, Richter-Rauzer, Larsen variation34423.5%55.1%
A92Dutch, stonewall variation34326.5%58.5%
D48QGD semi-Slav, Meran34323.3%47.8%
C26Vienna game34026.8%53.4%
D55QGD, 6.Nf334032.6%59.0%
D52QGD33930.4%56.2%
D72Neo-Gruenfeld, 5.cd, main line33932.4%51.9%
D97Gruenfeld, Russian, Byrne (Simagin) variation33925.4%51.3%
A26English, closed system33823.1%50.9%
E62King's Indian, fianchetto with ...Nc633824.6%57.0%
D63QGD, Orthodox defence, 7.Rc133533.4%54.9%
D97Gruenfeld, Russian, Szabo (Boleslavsky) variation33429.6%60.0%
A56Czech Benoni, King's Indian system33318.9%59.9%
D88Gruenfeld, Spassky variation, main line, 10...cd, 11.cd33240.7%52.3%
C48Four knights, Spanish variation32927.1%51.8%
D06QGD, Marshall defence32926.7%59.6%
B37Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg732734.6%52.8%
C02French, advance, Nimzovich system32619.3%46.8%
C61Ruy Lopez, Bird's defence32528.0%58.6%
C68Ruy Lopez, exchange variation32425.3%57.4%
C96Ruy Lopez, closed, Keres (...Nd7) defence32438.0%61.0%
A06Reti, old Indian attack32124.0%52.5%
D24QGA, 4.Nc332032.8%54.2%
A13English, Wimpey system31730.3%46.7%
B32Sicilian, Labourdonnais-Loewenthal variation31727.1%54.6%
A16English, Anglo-Gruenfeld defense31529.5%52.2%
C49Four knights, double Ruy Lopez31242.3%56.4%
E62King's Indian, fianchetto, Larsen system31229.5%54.5%
D15QGD Slav, Schlechter variation31128.9%55.6%
D50QGD, 4.Bg531129.3%56.8%
D60QGD, Orthodox defence31130.9%57.2%
B09Pirc, Austrian attack, 6.e531029.0%59.7%
A54Old Indian, Ukrainian variation, 4.Nf330926.5%54.7%
C92Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation30733.2%64.5%
D15QGD Slav accepted30429.6%51.6%
E76King's Indian, Four pawns attack30232.1%59.4%
C17French, Winawer, advance, Bogolyubov variation30128.2%56.3%
D63QGD, Orthodox defence, Swiss, Karlsbad variation30129.6%52.3%
D10QGD Slav, Winawer counter-gambit30027.0%56.8%
B42Sicilian, Kan, Swiss cheese variation29927.8%56.7%
D15QGD Slav, 5.e3 (Alekhine variation)29925.1%51.0%
D15QGD Slav, Tolush-Geller gambit29928.4%44.6%
C77Ruy Lopez, four knights (Tarrasch) variation29830.5%55.5%
C73Ruy Lopez, modern Steinitz defence, Alapin variation29725.6%55.6%
D90Gruenfeld, Flohr variation29735.0%49.5%
A50Queen's Indian accelerated29631.8%54.4%
C75Ruy Lopez, modern Steinitz defence29627.4%57.9%
C42Petrov, Kaufmann attack29532.5%57.6%
D15QGD Slav, Slav gambit29426.2%47.4%
D55QGD, Neo-orthodox variation, 7.Bxf629435.7%51.5%
C12French, MacCutcheon variation29329.4%51.9%
A20English, Nimzovich variation29127.1%54.8%
D35QGD, exchange, Saemisch variation29028.6%53.3%
C20King's pawn game28920.4%52.1%
C00French, Reti (Spielmann) variation28827.1%55.2%
C88Ruy Lopez, Trajkovic counter-attack28627.3%53.1%
C42Petrov, Cozio (Lasker) attack28331.8%51.6%
C21Centre game28033.6%58.6%
E17Queen's Indian, anti-Queen's Indian system27933.7%53.4%
C82Ruy Lopez, open, St. Petersburg variation27838.1%59.4%
A12English, Caro-Kann defensive system27527.6%55.3%
B41Sicilian, Kan variation27529.1%54.5%
C86Ruy Lopez, Worrall attack, sharp line27432.5%49.5%
C45Scotch, Potter variation27335.2%47.6%
A00Polish, Outflank variation27225.0%49.6%
C27Vienna game27126.6%48.7%
D28QGA, classical, 7...b527134.3%55.2%
B00KP, Nimzovich defence, Bogolyubov variation26917.1%55.0%
B33Sicilian, Pelikan, Bird variation26927.5%59.1%
B02Alekhine's defence, Maroczy variation26822.8%47.2%
D62QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)26841.4%50.2%
B98Sicilian, Najdorf, 7...Be726525.7%52.5%
A93Dutch, stonewall, Botwinnik variation26229.0%59.9%
C19French, Winawer, advance, Smyslov variation26225.2%58.8%
A73Benoni, classical, 9.O-O26124.9%53.4%
D11QGD Slav, Breyer variation26028.1%52.5%
E51Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d526031.9%51.3%
C46Three knights game25923.9%52.5%
C98Ruy Lopez, closed, Chigorin, 12...Nc625925.9%63.9%
C42Petrov, Paulsen attack25627.3%46.1%
D94Gruenfeld, Smyslov defence25535.7%52.7%
C70Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation25426.8%54.7%
A07Reti, King's Indian attack, Pachman system25323.3%52.0%
B25Sicilian, closed25330.0%49.8%
E20Nimzo-Indian defence25326.5%46.0%
C68Ruy Lopez, exchange, Keres variation25136.7%52.2%
C86Ruy Lopez, Worrall attack, solid line25030.4%50.8%
D16QGD Slav, Soultanbeieff variation25038.8%56.6%
A19English, Mikenas-Carls, Sicilian variation24829.0%55.2%
B13Caro-Kann, Panov-Botvinnik, normal variation24835.9%49.0%
B72Sicilian, dragon, 6.Be324828.2%50.0%
C93Ruy Lopez, closed, Smyslov defence24833.5%57.5%
B85Sicilian, Scheveningen, classical24739.3%52.8%
D24QGA, Bogolyubov variation24717.0%47.4%
C47Four knights, Belgrade gambit24526.1%42.9%
E15Queen's Indian, 4.g3 Bb724531.0%52.7%
D16QGD Slav accepted, Alapin variation24422.5%69.5%
C52Evans gambit24327.2%40.3%
E74King's Indian, Averbakh, 6...c524223.1%63.2%
B02Alekhine's defence, Saemisch attack24122.0%57.9%
B68Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be724027.9%56.0%
C20KP, Indian opening24027.1%50.2%
C40Gunderam defence23922.2%63.8%
E77King's Indian, Four pawns attack23932.2%52.9%
E08Catalan, closed, 7.Qc223631.8%54.0%
B86Sicilian, Sozin attack23424.8%44.9%
C73Ruy Lopez, modern Steinitz defence, Richter variation23431.6%50.9%
C29Vienna gambit23328.3%48.5%
C50Giuoco Pianissimo, Canal variation23330.0%51.5%
D60QGD, Orthodox defence, Botvinnik variation23336.1%53.2%
A00Grob's attack23222.0%49.4%
A83Dutch, Staunton gambit, Staunton's line23226.3%46.3%
D46QGD semi-Slav, Romih variation22928.4%64.0%
E70King's Indian, Kramer system22922.3%53.5%
B74Sicilian, dragon, classical, 9.Nb322833.8%49.8%
C03French, Tarrasch, Guimard variation22822.8%61.0%
C30KGD, classical variation22820.6%46.7%
E94King's Indian, orthodox, Donner variation22826.8%55.9%
E93King's Indian, Petrosian system, main line22623.5%55.1%
E65King's Indian, fianchetto, Yugoslav, 7.O-O22531.6%55.8%
A17English, Queens Indian formation22425.4%54.7%
B73Sicilian, dragon, classical, 8.O-O22435.7%55.4%
D52QGD, Cambridge Springs defence, Rubinstein variation22431.3%55.4%
D94Gruenfeld, Makogonov variation22331.4%50.7%
C84Ruy Lopez, closed, centre attack22031.4%50.2%
D63QGD, Orthodox defence, Swiss (Henneberger) variation21729.0%50.9%
E40Nimzo-Indian, 4.e321726.7%54.4%
A60Benoni defence21625.9%53.2%
D22QGA, Haberditz variation21634.7%59.0%
C34KGA, Fischer defence21520.9%47.7%
E96King's Indian, orthodox, 7...Nbd7, main line21533.0%59.3%
C58Two knights defence21424.3%56.1%
D44QGD semi-Slav, anti-Meran, Szabo variation21220.3%41.3%
B98Sicilian, Najdorf variation21125.1%49.1%
B13Caro-Kann, exchange, Rubinstein variation21034.3%55.7%
C42Petrov, classical attack, close variation20730.0%55.1%
D08QGD, Albin counter-gambit20735.3%53.9%
A00Ware (Meadow Hay) opening20521.5%47.3%
D14QGD Slav, exchange, Trifunovic variation20540.0%50.2%
D71Neo-Gruenfeld, 5.cd20541.0%56.1%
D94Gruenfeld, Opovcensky variation20537.6%50.0%
E31Nimzo-Indian, Leningrad, main line20521.0%47.1%
E10Blumenfeld counter-gambit accepted20323.6%53.7%
A86Dutch with c4 & g320226.2%62.6%
A91Dutch defence20232.7%52.5%
B73Sicilian, dragon, classical, Richter variation20136.8%48.8%
D25QGA, Smyslov variation20130.3%57.5%
A79Benoni, classical, 11.f320020.0%67.0%
B74Sicilian, dragon, classical, Reti-Tartakower variation20034.0%52.5%
C15French, Winawer, Alekhine gambit, Kan variation20034.0%49.0%
D31QGD, Janowski variation19937.7%55.5%
D48QGD semi-Slav, Meran, old main line19933.7%57.5%
E83King's Indian, Saemisch, Panno formation19921.1%54.3%
A86Dutch, Leningrad variation19831.8%59.8%
C44Ponziani counter-gambit19820.7%52.3%
A54Old Indian, Ukrainian variation19630.6%50.5%
C65Ruy Lopez, Berlin defence, 4.O-O19626.5%62.8%
D35QGD, 3...Nf619531.8%44.1%
C92Ruy Lopez, closed, Kholmov variation19426.8%58.8%
E10Dzindzikhashvili defence19427.8%59.8%
B42Sicilian, Kan, Gipslis variation19329.0%57.0%
B82Sicilian, Scheveningen, Tal variation19318.1%60.4%
C36KGA, Abbazia defence, modern variation19333.2%43.0%
C77Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)19331.1%50.8%
D59QGD, Tartakower variation19346.6%41.5%
A45Paleface attack19119.9%41.4%
E32Nimzo-Indian, classical, Adorjan gambit19129.3%58.1%
E46Nimzo-Indian, 4.e3 O-O19035.8%51.1%
B01Scandinavian gambit18931.2%46.8%
E24Nimzo-Indian, Saemisch variation18932.8%50.3%
A65Benoni, 6.e418723.5%59.4%
B00St. George (Baker) defence18721.9%53.7%
C47Four knights, Scotch, Krause variation18733.7%55.3%
C71Ruy Lopez, modern Steinitz defence, Duras (Keres) variation18732.6%52.1%
A28English, Bradley Beach variation18629.6%43.8%
D30QGD Slav, Semmering variation18630.1%47.8%
E67King's Indian, fianchetto with ...Nd718628.0%62.4%
A64Benoni, fianchetto, 11...Re818527.0%52.4%
C83Ruy Lopez, open, classical defence18538.9%57.8%
E92King's Indian, Petrosian system18517.8%57.0%
A94Dutch, stonewall with Ba318236.3%53.3%
D67QGD, Orthodox defence, Bd3 line, 11.O-O18231.3%62.4%
A97Dutch, Ilyin-Genevsky, Winter variation18135.9%64.9%
D23Queen's gambit accepted18129.8%49.7%
E64King's Indian, fianchetto, Yugoslav system18124.3%56.9%
E07Catalan, closed, 6...Nbd718030.6%53.1%
D87Gruenfeld, exchange, Seville variation17938.5%65.6%
B62Sicilian, Richter-Rauzer, 6...e617826.4%48.6%
C12French, MacCutcheon, Janowski variation17724.3%59.6%
C59Two knights defence17726.6%46.6%
A28English, four knights, Stean variation17624.4%56.0%
C44Scotch, Goering gambit17631.3%49.7%
C40QP counter-gambit (elephant gambit)17517.1%62.9%
D64QGD, Orthodox defence, Rubinstein attack (with Rc1)17540.0%58.3%
C44Ponziani opening17425.9%53.7%
C30King's gambit17325.4%56.1%
C59Two knights defence, Steinitz variation17326.0%59.2%
A41Robatsch defence, Rossolimo variation17227.3%54.4%
A98Dutch, Ilyin-Genevsky variation with Qc217226.7%60.5%
A21English, Troeger defence17027.6%54.4%
B00Reversed Grob (Borg/Basman defence/macho Grob)16917.2%51.8%
B04Alekhine's defence, modern, Keres variation16933.7%61.8%
A36English, symmetrical variation16826.2%48.8%
A01Nimzovich-Larsen attack, Dutch variation16721.0%50.6%
B52Sicilian, Canal-Sokolsky attack, Bronstein gambit16627.1%43.1%
B27Sicilian, Katalimov variation16425.6%53.7%
E62King's Indian, fianchetto, Simagin variation16328.2%68.1%
A45Blackmar-Diemer gambit16227.2%54.3%
A18English, Mikenas-Carls, Flohr variation16129.8%60.2%
B83Sicilian, modern Scheveningen, main line with Nb316023.1%49.7%
A04Reti, Pirc-Lisitsin gambit15822.2%58.5%
A43Old Benoni, Franco-Benoni defence15826.6%61.4%
A38English, symmetrical, main line with d315735.0%51.3%
B03Alekhine's defence, four pawns attack, 7.Be315729.9%61.5%
C48Four knights, Spanish, classical defence15627.6%52.2%
A80Dutch, Krejcik gambit15533.5%46.5%
B59Sicilian, Boleslavsky variation, 7.Nb315539.4%53.9%
C42Petrov, Italian variation15519.4%51.0%
C46Three knights, Steinitz variation15518.7%53.2%
C60Ruy Lopez (Spanish opening)15523.2%52.3%
E82King's Indian, Saemisch, double fianchetto variation15529.0%60.3%
C66Ruy Lopez, Berlin defence, hedgehog variation15437.7%53.2%
A75Benoni, classical with ...a6 and 10...Bg415329.4%53.3%
A82Dutch, Staunton gambit15330.7%39.5%
C43Petrov, modern (Steinitz) attack15324.8%60.8%
E37Nimzo-Indian, classical, Noa variation, main line, 7.Qc215231.6%59.2%
C40Latvian counter-gambit15125.2%60.9%
C54Giuoco Piano15126.5%54.3%
C55Two knights defence15127.8%48.3%
D70Neo-Gruenfeld (Kemeri) defence15141.1%53.6%
B01Scandinavian defence, Lasker variation15027.3%64.3%
E25Nimzo-Indian, Saemisch, Romanovsky variation15042.7%50.7%
C05French, Tarrasch, Botvinnik variation14924.2%57.0%
A36English, symmetrical, Botvinnik system reversed14827.7%49.7%
E07Catalan, closed, Botvinnik variation14825.0%59.8%
E76King's Indian, Four pawns attack, dynamic line14831.8%52.4%
D56QGD, Lasker defence, Teichmann variation14733.3%60.2%
A05Reti, King's Indian attack, Reti-Smyslov variation14527.6%50.3%
B79Sicilian, dragon, Yugoslav attack, 12.h414531.0%64.5%
C69Ruy Lopez, exchange variation, Alapin gambit14532.4%51.4%
C70Ruy Lopez, Cozio defence deferred14535.2%52.8%
B32Sicilian, Flohr variation14427.8%56.9%
E62King's Indian, fianchetto variation14328.0%55.2%
A47Queen's Indian, Marienbad system14130.5%49.3%
C26Vienna, Falkbeer variation14117.0%51.1%
C71Ruy Lopez, modern Steinitz defence14129.1%51.4%
C75Ruy Lopez, modern Steinitz defence, Rubinstein variation14132.6%58.9%
A00Lasker simul special14027.9%46.8%
E60Queen's pawn, Mengarini attack14024.3%50.7%
E60King's Indian, Anti-Gruenfeld13922.3%45.7%
A12English, Caro-Kann defensive system, Bogolyubov variation13822.5%51.1%
B02Alekhine's defence, Two pawns' (Lasker's) attack13840.6%47.1%
D68QGD, Orthodox defence, classical variation13836.2%54.3%
B04Alekhine's defence, modern, Schmid variation13729.9%66.1%
C11French, Swiss variation13730.7%43.8%
C30KGD, classical, 4.c313625.0%62.5%
A06Santasiere's folly13536.3%45.6%
C50Giuoco Piano, four knights variation13426.9%51.5%
C53Giuoco Piano, Bird's attack13425.4%52.2%
B96Sicilian, Najdorf, Polugayevsky variation13324.8%52.3%
B40Sicilian, Pin, Koch variation13226.5%70.1%
C49Four knights13235.6%50.4%
E29Nimzo-Indian, Saemisch, main line13230.3%59.1%
E61King's Indian, Smyslov system13224.2%50.8%
E99King's Indian, orthodox, Aronin-Taimanov, main line13222.7%53.8%
D28QGA, classical, 7.Qe213142.0%55.3%
C48Four knights, Rubinstein counter-gambit, exchange variation13041.5%48.5%
D33QGD, Tarrasch, Prague variation13033.8%60.0%
D16QGD Slav, Smyslov variation12927.1%59.3%
E29Nimzo-Indian, Saemisch, Capablanca variation12940.3%50.4%
E50Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d512931.0%56.6%
A71Benoni, classical, 8.Bg512826.6%53.9%
C29Vienna gambit, Breyer variation12837.5%56.3%
C33KGA, bishop's gambit12815.6%52.3%
C66Ruy Lopez, closed Berlin defence, Wolf variation12840.6%55.5%
E22Nimzo-Indian, Spielmann variation12832.0%52.0%
E33Nimzo-Indian, classical, 4...Nc612824.2%62.9%
A16English, Anglo-Gruenfeld, Czech defense12730.7%66.5%
C02French, advance, Milner-Barry gambit12726.0%53.1%
A76Benoni, classical, 9...Re812616.7%60.7%
C74Ruy Lopez, Siesta, Kopayev variation12627.8%52.8%
C88Ruy Lopez, closed, 7...d6, 8.d412623.8%38.1%
E53Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd712639.7%55.6%
E79King's Indian, Four pawns attack, main line12644.4%57.1%
E70King's Indian, accelerated Averbakh system12526.4%50.0%
A72Benoni, classical without 9.O-O12328.5%60.6%
C80Ruy Lopez, open (Tarrasch) defence12339.0%49.6%
C94Ruy Lopez, closed, Breyer defence12237.7%53.3%
E15Queen's Indian, Rubinstein variation12222.1%51.2%
E26Nimzo-Indian, Saemisch variation12227.0%48.8%
A09Reti accepted, Keres variation12121.5%59.5%
C50Hungarian defence12134.7%54.5%
D26QGA, classical, Steinitz variation12147.9%60.3%
A51Budapest, Fajarowicz variation12025.8%62.1%
D86Gruenfeld, exchange, Simagin's improved variation12032.5%57.1%
E25Nimzo-Indian, Saemisch variation12036.7%53.3%
A43Old Benoni, Mujannah formation11921.0%60.9%
B55Sicilian, Prins variation, Venice attack11937.0%56.3%
A13English, Kurajica defence11825.4%50.8%
A80Dutch, Manhattan (Alapin, Ulvestad) variation11821.2%54.7%
E10Blumenfeld counter-gambit11827.1%54.2%
C46Four knights, Gunsberg variation11729.1%42.7%
A92Dutch defence, Alekhine variation11631.0%59.5%
D51QGD, 4.Bg5 Nbd711631.0%56.0%
A92Dutch defence11533.0%60.0%
C23Bishop's opening, Classical variation11417.5%50.9%
C44Ponziani, Caro variation11337.2%48.7%
C67Ruy Lopez, open Berlin defence, 5...Be711333.6%55.8%
D49QGD semi-Slav, Meran, Rabinovich variation11340.7%61.1%
D67QGD, Orthodox defence, Bd3 line, Alekhine variation11348.7%63.3%
A90Dutch-Indian, Alekhine variation11230.4%49.1%
B15Caro-Kann, Forgacs variation11235.7%55.4%
B27Sicilian defence11230.4%59.8%
D95Gruenfeld, Botvinnik variation11230.4%43.8%
E12Queen's Indian, 4.Nc3, Botvinnik variation11128.8%49.5%
E90King's Indian, Larsen variation11129.7%53.6%
B80Sicilian, Scheveningen, Vitolins variation11019.1%44.1%
C20Alapin's opening11023.6%48.2%
C51Evans gambit, Cordel variation11028.2%48.6%
D63QGD, Orthodox defence11024.5%57.7%
A61Benoni, Uhlmann variation10928.4%50.9%
C00Lengfellner system10827.8%61.1%
C30KGD, Mafia defence10825.9%59.3%
E10Doery defence10823.1%45.8%
B10Caro-Kann, Goldman (Spielmann) variation10723.4%49.1%
D46QGD semi-Slav, 6.Bd310729.0%50.9%
D89Gruenfeld, Spassky variation, main line, 13.Bd310732.7%53.7%
E46Nimzo-Indian, Simagin variation10729.0%48.1%
E53Nimzo-Indian, 4.e3, Keres variation10732.7%47.2%
D09QGD, Albin counter-gambit, 5.g310631.1%56.1%
D64QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation10636.8%49.5%
E73King's Indian, 5.Be210622.6%49.1%
A63Benoni, fianchetto, 9...Nbd710527.6%56.7%
C44Ponziani, Steinitz variation10540.0%53.3%
C51Evans gambit declined, 5.a410529.5%47.1%
A80Dutch, Korchnoi attack10431.7%52.4%
C23Bishop's opening, Philidor counter-attack10434.6%59.6%
C39KGA, Kieseritsky, Kolisch defence10433.7%50.5%
E17Queen's Indian, Euwe variation10436.5%60.6%
B40Sicilian, Pin variation (Sicilian counter-attack)10220.6%55.4%
C66Ruy Lopez, Berlin defence, 4.O-O, d610240.2%52.5%
C35KGA, Cunningham defence10121.8%46.5%
C44Scotch gambit10125.7%49.5%
C77Ruy Lopez, Morphy defence, Duras variation10131.7%47.5%
E40Nimzo-Indian, 4.e3, Taimanov variation10122.8%52.0%
C33KGA, bishop's gambit, Jaenisch variation10026.0%52.0%
D00Queen's pawn, stonewall attack10025.0%49.5%
D06QGD, symmetrical (Austrian) defence10029.0%54.5%
A25English, closed system (without ...d6)9924.2%48.5%
B06Robatsch defence, three pawns attack9916.2%54.5%
C27Vienna, Alekhine variation9924.2%42.4%
C34KGA, Schallop defence9918.2%49.5%
A18English, Mikenas-Carls variation9824.5%57.1%
B27Sicilian, Quinteros variation9818.4%59.2%
B77Sicilian, dragon, Yugoslav attack, 9.Bc49630.2%53.6%
B98Sicilian, Najdorf, Browne variation9632.3%57.8%
C52Evans gambit, Tartakower attack9621.9%51.6%
D29QGA, classical, Smyslov variation9628.1%54.7%
E90King's Indian, Zinnowitz variation9631.3%53.1%
B25Sicilian, closed, 6.Ne2 e5 (Botvinnik)9515.8%53.2%
B25Sicilian, closed, 6.f4 e5 (Botvinnik)9524.2%47.9%
C17French, Winawer, advance variation9525.3%60.0%
C41Philidor, Nimzovich, Rellstab variation9532.6%64.7%
C81Ruy Lopez, open, Howell attack9537.9%57.9%
C42Petrov, classical attack, Mason variation9439.4%63.3%
E02Catalan, open, 5.Qa49438.3%59.6%
E83King's Indian, Saemisch, 6...Nc69417.0%55.3%
B03Alekhine's defence, four pawns attack9332.3%58.1%
B12Caro-Kann, advance, Short variation9318.3%68.3%
C22Centre game, Paulsen attack9331.2%50.0%
C67Ruy Lopez, open Berlin defence, l'Hermet variation9334.4%45.2%
C78Ruy Lopez, ...b5 & ...d69326.9%48.9%
C86Ruy Lopez, Worrall attack9328.0%58.1%
E17Queen's Indian, 5.Bg2 Be79333.3%48.9%
A00Benko's opening, reversed Alekhine9225.0%46.2%
C13French, Albin-Alekhine-Chatard attack, Breyer variation9228.3%55.4%
E10Blumenfeld counter-gambit, Spielmann variation9220.7%53.8%
E28Nimzo-Indian, Saemisch variation9230.4%53.3%
A41Modern defence9127.5%56.6%
D35QGD, Harrwitz attack9131.9%50.0%
A69Benoni, four pawns attack, main line9032.2%42.8%
C40Greco defence9017.8%64.4%
C41Philidor, Nimzovich (Jaenisch) variation9032.2%48.3%
D49QGD semi-Slav, Meran, Stahlberg variation8932.6%52.2%
D83Gruenfeld, Gruenfeld gambit, Capablanca variation8938.2%56.2%
B18Caro-Kann, classical, Flohr variation8837.5%58.5%
C49Four knights, symmetrical, Maroczy system8839.8%51.7%
C65Ruy Lopez, Berlin defence, Nyholm attack8835.2%54.0%
C82Ruy Lopez, open, Italian variation8831.8%61.4%
D84Gruenfeld, Gruenfeld gambit accepted8725.3%66.7%
E81King's Indian, Saemisch, Byrne variation8731.0%51.1%
B84Sicilian, Scheveningen, classical, Nd7 system8625.6%52.3%
D32QGD, Tarrasch, von Hennig-Schara gambit8630.2%58.1%
A59Benko gambit8532.9%63.5%
A78Benoni, classical with ...Re8 and ...Na68535.3%52.9%
B72Sicilian, dragon, classical attack8528.2%57.6%
C43Petrov, modern attack, Trifunovic variation8534.1%51.2%
D15QGD Slav, Suechting variation8520.0%53.5%
C00French, Pelikan variation8427.4%50.6%
C55Two knights, Max Lange attack8422.6%47.0%
C70Ruy Lopez, Caro variation8431.0%52.4%
C82Ruy Lopez, open, Motzko attack8439.3%51.8%
D27QGA, classical, Geller variation8432.1%43.5%
B72Sicilian, dragon, classical, Nottingham variation8328.9%45.8%
C82Ruy Lopez, open, Dilworth variation8327.7%53.6%
C00French, Reversed Philidor formation8229.3%40.2%
C55Two knights, Max Lange attack, Schlechter variation8234.1%48.8%
C96Ruy Lopez, closed, Borisenko defence8228.0%57.9%
D00Blackmar gambit8229.3%42.7%
D68QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)8236.6%59.8%
B20Sicilian, wing gambit8023.8%45.6%
D41QGD, Semi-Tarrasch, San Sebastian variation8025.0%68.8%
E89King's Indian, Saemisch, orthodox main line8026.3%61.9%
B71Sicilian, dragon, Levenfish variation7935.4%46.8%
A02Bird, From gambit7829.5%46.8%
C07French, Tarrasch, Eliskases variation7834.6%48.1%
C20KP, Mengarini's opening7817.9%56.4%
A81Dutch defence, Blackburne variation7732.5%61.7%
C41Philidor, Larsen variation7724.7%68.2%
C44Scotch, Lolli variation7718.2%53.2%
C95Ruy Lopez, closed, Breyer, Simagin variation7742.9%63.0%
D52QGD, Cambridge Springs defence7749.4%48.1%
A00Amar (Paris) opening7622.4%41.4%
A28English, Nenarokov variation7634.2%46.1%
C14French, classical, Alapin variation7634.2%60.5%
C33KGA, bishop's gambit, Steinitz defence7630.3%45.4%
C56Two knights defence7634.2%50.0%
C57Two knights defence, Fegatello attack7636.8%46.1%
C68Ruy Lopez, exchange, Alekhine variation7631.6%43.4%
C70Ruy Lopez7628.9%52.6%
A16English, Anglo-Gruenfeld, Smyslov defense7538.7%59.3%
B01Scandinavian, Icelandic gambit7530.7%50.0%
C57Two knights defence, Wilkes Barre (Traxler) variation7516.0%62.7%
A12English, Capablanca's variation7427.0%48.6%
A52Budapest defence7423.0%56.1%
A00Polish, Tuebingen variation7321.9%52.1%
D12QGD Slav, Amsterdam variation7335.6%47.9%
A24English, Bremen system with ...g67227.8%59.7%
C41Philidor, Hanham variation7234.7%64.6%
C49Four knights, Nimzovich (Paulsen) variation7244.4%54.2%
A92Dutch, stonewall with Nc37021.4%63.6%
A57Benko gambit, Zaitsev system6924.6%50.0%
C25Vienna game, Max Lange defence6923.2%44.9%
C34King's knight's gambit6914.5%47.8%
C44King's pawn game6926.1%47.8%
C95Ruy Lopez, closed, Breyer, Gligoric variation6920.3%65.2%
D25QGA, Flohr variation6930.4%58.7%
D51QGD, 5...c66923.2%59.4%
D95Gruenfeld with e3 & Qb36939.1%50.0%
A61Benoni, fianchetto variation6825.0%53.7%
C58Two knights defence, Bogolyubov variation6820.6%57.4%
A00Durkin's attack6717.9%53.7%
C25Vienna gambit6726.9%52.2%
C41Philidor, Hanham, Schlechter variation6726.9%62.7%
D97Gruenfeld, Russian variation with e46731.3%50.0%
B74Sicilian, dragon, classical, Spielmann variation6628.8%53.8%
B85Sicilian, Scheveningen, classical, Maroczy system6633.3%54.5%
C35KGA, Cunningham, Euwe defence6628.8%50.8%
D20QGA, Linares variation6628.8%50.8%
D94Gruenfeld, Flohr defence6624.2%54.5%
B00Carr's defence6524.6%53.8%
B29Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit6535.4%56.2%
C17French, Winawer, advance, Russian variation6524.6%49.2%
C31KGD, Falkbeer counter-gambit6520.0%46.9%
C40QP counter-gambit, Maroczy gambit6524.6%61.5%
C74Ruy Lopez, modern Steinitz defence6541.5%56.2%
A52Budapest, Alekhine variation6421.9%48.4%
C30KGD, 2...Nf66426.6%52.3%
D89Gruenfeld, exchange, Sokolsky variation6434.4%39.1%
B72Sicilian, dragon, classical, Amsterdam variation6338.1%44.4%
C57Two knights defence6320.6%37.3%
C66Ruy Lopez, closed Berlin defence, Showalter variation6349.2%59.5%
D40QGD, Semi-Tarrasch, symmetrical variation6333.3%46.8%
A44Old Benoni defence6225.8%66.1%
B02Alekhine's defence, Brooklyn defence6221.0%58.9%
C20KP, Lopez opening6235.5%45.2%
D86Gruenfeld, exchange, Simagin's lesser variation6230.6%62.1%
C01French, exchange, Svenonius variation6137.7%58.2%
D83Gruenfeld, Gruenfeld gambit6129.5%52.5%
C44Scotch gambit, Benima defence6028.3%52.5%
D30QGD, Capablanca variation6020.0%46.7%
D34QGD, Tarrasch, Reti variation6038.3%54.2%
B41Sicilian, Kan, Maroczy bind - Bronstein variation5928.8%56.8%
D67QGD, Orthodox defence, Bd3 line5942.4%51.7%
A04Reti, Lisitsin gambit deferred5820.7%43.1%
C21Danish gambit5827.6%55.2%
C27Boden-Kieseritsky gambit5813.8%50.0%
C44Dresden opening5820.7%46.6%
A83Dutch, Staunton gambit, Chigorin variation5733.3%67.5%
C51Evans gambit, Stone-Ware variation5722.8%44.7%
C13French, Albin-Alekhine-Chatard attack, Spielmann variation5626.8%56.3%
C44Ponziani, Leonhardt variation5639.3%50.0%
C45Scotch, Steinitz variation5521.8%45.5%
D01Richter-Veresov attack, Veresov variation5520.0%55.5%
C39KGA, Kieseritsky, Berlin defence5414.8%37.0%
C90Ruy Lopez, closed, Suetin variation5425.9%48.1%
A21English, Smyslov defence5326.4%56.6%
C67Ruy Lopez, Berlin defence, Minckwitz variation5339.6%63.2%
D01Richter-Veresov attack, Richter variation5334.0%37.7%
D33QGD, Tarrasch, Folkestone (Swedish) variation5334.0%58.5%
D44QGD semi-Slav, Ekstrom variation5320.8%38.7%
E85King's Indian, Saemisch, orthodox variation5335.8%57.5%
A51Budapest defence declined5221.2%52.9%
C31KGD, Nimzovich counter-gambit5225.0%45.2%
C39KGA, Kieseritsky, Berlin defence, 6.Bc45230.8%48.1%
C96Ruy Lopez, closed (8...Na5)5225.0%52.9%
B03Alekhine's defence, four pawns attack, 6...Nc65121.6%50.0%
C06French, Tarrasch, Leningrad variation5117.6%53.9%
C11French, Steinitz, Gledhill attack5141.2%53.9%
C44Inverted Hungarian5129.4%50.0%
D44QGD semi-Slav, anti-Meran, Alatortsev system5111.8%60.8%
D99Gruenfeld defence, Smyslov, Yugoslav variation5149.0%59.8%
E51Nimzo-Indian, 4.e3, Ragozin variation5149.0%57.8%
A95Dutch, stonewall: Chekhover variation5036.0%56.0%
B03Alekhine's defence, four pawns attack, fianchetto variation5036.0%64.0%
C00French, Steinitz attack5036.0%52.0%
C41Philidor, Nimzovich, Larobok variation5040.0%34.0%
D57QGD, Lasker defence, main line5034.0%57.0%
B03Alekhine's defence, four pawns attack, Trifunovic variation4922.4%68.4%
B12Caro-Kann, Edinburgh variation4914.3%74.5%
C64Ruy Lopez, Cordel gambit4926.5%74.5%
A52Budapest, Alekhine, Abonyi variation4829.2%60.4%
C00French, Wing gambit4812.5%41.7%
C48Four knights, Rubinstein counter-gambit, Henneberger variation4835.4%61.5%
A17English, Queens Indian, Romanishin variation4736.2%47.9%
A18English, Mikenas-Carls, Kevitz variation4717.0%55.3%
B07Pirc, bayonet (Mariotti) attack4717.0%51.1%
C10French, Frere (Becker) variation4723.4%54.3%
C14French, classical, Rubinstein variation4719.1%54.3%
C44Inverted Hanham4725.5%48.9%
C49Four knights, symmetrical, Pillsbury variation4725.5%42.6%
C80Ruy Lopez, open, 6.d44727.7%60.6%
C92Ruy Lopez, closed, Keres (9...a5) variation4723.4%58.5%
A97Dutch, Ilyin-Genevsky variation4630.4%63.0%
C13French, classical, Anderssen variation4621.7%39.1%
C43Petrov, Urusov gambit468.7%45.7%
C74Ruy Lopez, modern Steinitz defence, siesta variation4626.1%47.8%
A12English, New York (London) defensive system4533.3%45.6%
B22Sicilian, 2.c3, Heidenfeld variation4526.7%44.4%
B53Sicilian, Chekhover, Zaitsev variation4517.8%53.3%
B96Sicilian, Najdorf, Polugayevsky, Simagin variation4520.0%52.2%
C00French, Alapin variation4515.6%45.6%
C21Halasz gambit4528.9%41.1%
C34KGA, Becker defence4520.0%41.1%
C41Philidor, Nimzovich, Sozin variation4517.8%48.9%
C44Scotch opening4526.7%42.2%
C70Ruy Lopez, Schliemann defence deferred4515.6%56.7%
D40QGD, Semi-Tarrasch defence, Pillsbury variation4537.8%52.2%
E27Nimzo-Indian, Saemisch variation4533.3%52.2%
A12English, Bled variation4431.8%59.1%
B07Pirc, Holmov system4431.8%50.0%
C34KGA, Bonsch-Osmolovsky variation4425.0%42.0%
C47Four knights, Scotch variation4436.4%61.4%
C88Ruy Lopez, closed, 8.c34427.3%50.0%
B03Alekhine's defence, Balogh variation4320.9%59.3%
C02French, advance, Nimzovich variation4325.6%22.1%
C33KGA, Keres (Mason-Steinitz) gambit439.3%44.2%
C33KGA, bishop's gambit, Bledow variation4332.6%41.9%
C42Petrov, Cochrane gambit4314.0%46.5%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc4330.2%64.0%
E21Nimzo-Indian, three knights, Korchnoi variation4334.9%61.6%
E54Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation4334.9%54.7%
B88Sicilian, Sozin, Fischer variation4250.0%51.2%
C12French, MacCutcheon, Chigorin variation4233.3%54.8%
C27Vienna, `Frankenstein-Dracula' variation4226.2%56.0%
C45Scotch, Meitner variation4235.7%53.6%
D31QGD, Alapin variation4216.7%41.7%
E72King's Indian with e4 & g34228.6%54.8%
E75King's Indian, Averbakh, main line4233.3%50.0%
E99King's Indian, orthodox, Aronin-Taimanov, Benko attack4231.0%44.0%
A25English, closed, Hort variation4131.7%50.0%
B57Sicilian, Magnus Smith trap4129.3%53.7%
A43Woozle defence4015.0%50.0%
B13Caro-Kann, Panov-Botvinnik, Czerniak variation4045.0%60.0%
B58Sicilian, Boleslavsky, Louma variation4032.5%61.3%
C44Scotch, Relfsson gambit ('MacLopez')4012.5%46.3%
C53Giuoco Piano, close variation4022.5%51.3%
C67Ruy Lopez, Berlin defence, Rosenthal variation4042.5%53.8%
C80Ruy Lopez, open, Riga variation4030.0%57.5%
A00Grob, Fritz gambit3910.3%20.5%
C30KGD, Keene's defence3917.9%50.0%
C42Petrov, Damiano variation3930.8%53.8%
D52QGD, Cambridge Springs defence, Capablanca variation3935.9%48.7%
E77King's Indian, Four pawns attack, Florentine gambit3930.8%41.0%
A40Beefeater defence3823.7%59.2%
C33KGA, bishop's gambit, Morphy variation3826.3%44.7%
B10Caro-Kann, Hillbilly attack3735.1%58.1%
C15French, Winawer, fingerslip variation3721.6%59.5%
C26Vienna, Mengarini variation3735.1%58.1%
C32KGD, Falkbeer, 5.de3729.7%52.7%
C67Ruy Lopez, Berlin defence, Cordel variation3743.2%51.4%
D21QGA, Alekhine defense, Borisenko-Furman variation3729.7%36.5%
D66QGD, Orthodox defence, Bd3 line, fianchetto variation3727.0%64.9%
E26Nimzo-Indian, Saemisch, O'Kelly variation3721.6%37.8%
B50Sicilian, wing gambit deferred3619.4%45.8%
C51Evans gambit, Paulsen variation3611.1%44.4%
D49QGD semi-Slav, Meran, Rellstab attack3633.3%50.0%
D54QGD, Anti-neo-orthodox variation3627.8%55.6%
B74Sicilian, dragon, classical, Alekhine variation3522.9%62.9%
C33KGA, Carrera (Basman) gambit3531.4%41.4%
C60Ruy Lopez, Cozio defence, Paulsen variation3537.1%52.9%
E73King's Indian, Semi-Averbakh system3522.9%57.1%
A02Bird, From gambit, Lasker variation3414.7%54.4%
C12French, MacCutcheon, Dr. Olland (Dutch) variation3429.4%55.9%
C57Two knights defence, Ulvestad variation3420.6%57.4%
C66Ruy Lopez, closed Berlin defence, Bernstein variation3438.2%45.6%
D64QGD, Orthodox defence, Rubinstein attack, Wolf variation3441.2%52.9%
E30Nimzo-Indian, Leningrad, ...b5 gambit3444.1%42.6%
B62Sicilian, Richter-Rauzer, Podvebrady variation3327.3%53.0%
C33KGA, bishop's gambit, Bogolyubov variation3312.1%48.5%
C41Philidor, Hanham, Steiner variation3330.3%66.7%
C45Scotch, Horwitz attack3336.4%54.5%
C49Four knights, symmetrical, Capablanca variation3342.4%57.6%
C55Two knights defence, Perreux variation3330.3%51.5%
D05Queen's pawn game, Zukertort variation3327.3%59.1%
D48QGD semi-Slav, Meran, Pirc variation3330.3%63.6%
C45Scotch, Romanishin variation3228.1%45.3%
C58Two knights defence, Kieseritsky variation3228.1%54.7%
C89Ruy Lopez, Marshall, Herman Steiner variation326.3%50.0%
D00Blackmar-Diemer gambit3215.6%51.6%
D52QGD, Cambridge Springs defence, Argentine variation3221.9%48.4%
A00Gedult's opening3116.1%40.3%
B15Caro-Kann, Gurgenidze counter-attack3116.1%59.7%
C11French, Henneberger variation3138.7%32.3%
C29Vienna gambit, Steinitz variation3125.8%48.4%
C33KGA, bishop's gambit, Lopez-Gianutio counter-gambit3125.8%29.0%
C65Ruy Lopez, Berlin defence, Duras variation3135.5%46.8%
D45QGD semi-Slav, Rubinstein (anti-Meran) system3135.5%59.7%
A74Benoni, classical, 9...a6, 10.a43033.3%53.3%
C21Danish gambit, Soerensen defence3026.7%53.3%
C41Philidor, Hanham, Krause variation3030.0%68.3%
C41Philidor, Philidor counter-gambit3016.7%51.7%
D32QGD, Tarrasch defence, 4.cd ed3026.7%46.7%
D64QGD, Orthodox defence, Rubinstein attack, Karlsbad variation3036.7%41.7%
D94Gruenfeld with e3 Bd33040.0%60.0%
E24Nimzo-Indian, Saemisch, Botvinnik variation3026.7%46.7%
A03Bird's opening, Lasker variation2937.9%50.0%
B02Alekhine's defence, Welling variation2927.6%44.8%
B15Caro-Kann, Alekhine gambit2948.3%55.2%
C40Damiano's defence2927.6%55.2%
C41Philidor, Nimzovich variation2937.9%53.4%
C88Ruy Lopez, closed, Balla variation2937.9%63.8%
D18QGD Slav, Dutch, Lasker variation2913.8%65.5%
D31QGD, semi-Slav, Junge variation2920.7%62.1%
D57QGD, Lasker defence, Bernstein variation2937.9%50.0%
B32Sicilian, Nimzovich variation2814.3%53.6%
C33KGA, bishop's gambit, Cozio (Morphy) defence2835.7%39.3%
C48Four knights, Ranken variation2825.0%44.6%
C52Evans gambit, compromised defence2810.7%55.4%
C62Ruy Lopez, old Steinitz defence, Nimzovich attack2817.9%69.6%
C71Ruy Lopez, modern Steinitz defence, Three knights variation2825.0%58.9%
D21QGA, Ericson variation2842.9%53.6%
D41QGD, Semi-Tarrasch, Kmoch variation2850.0%60.7%
E03Catalan, open, 5.Qa4 Nbd7, 6.Qxc42839.3%55.4%
E11Bogo-Indian defence, Monticelli trap2825.0%55.4%
E15Queen's Indian, Buerger variation2821.4%53.6%
E93King's Indian, Petrosian system, Keres variation2828.6%50.0%
A25English, closed, Taimanov variation2737.0%44.4%
A45Canard opening2718.5%50.0%
A46Queen's pawn, Torre attack, Wagner gambit2718.5%38.9%
B02Alekhine's defence, Mokele Mbembe (Buecker) variation2722.2%63.0%
B34Sicilian, accelerated fianchetto, exchange variation2733.3%42.6%
C36KGA, Abbazia defence (classical defence, modern defence[!])2718.5%53.7%
C45Scotch, Pulling counter-attack2718.5%61.1%
C53Giuoco Piano, centre-holding variation2722.2%63.0%
C56Two knights defence, Canal variation2748.1%42.6%
E23Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc62722.2%40.7%
E57Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd2729.6%70.4%
A01Nimzovich-Larsen attack, Polish variation2634.6%51.9%
A21English, Keres variation2634.6%44.2%
B01Scandinavian, Mieses-Kotrvc gambit267.7%50.0%
C13French, classical, Tartakower variation2626.9%55.8%
C90Ruy Lopez, closed, Lutikov variation2650.0%51.9%
D45QGD semi-Slav, stonewall defence2619.2%67.3%
D50QGD, Semi-Tarrasch2650.0%59.6%
D51QGD2611.5%67.3%
A00Novosibirsk opening258.0%48.0%
C20KP, Patzer opening2528.0%58.0%
C24Bishop's opening, Urusov gambit2528.0%42.0%
C54Giuoco Piano, Moeller (Therkatz) attack2544.0%38.0%
D08QGD, Albin counter-gambit, Alapin variation2540.0%60.0%
D50QGD, Semi-Tarrasch, Primitive Pillsbury variation2528.0%38.0%
D60QGD, Orthodox defence, Rauzer variation2532.0%56.0%
E08Catalan, closed, Spassky gambit2524.0%56.0%
A43Old Benoni, Schmid's system2429.2%52.1%
B20Sicilian, wing gambit, Carlsbad variation2416.7%58.3%
B40Sicilian, Marshall variation2416.7%41.7%
B44Sicilian, Szen variation, Dely-Kasparov gambit2441.7%54.2%
B60Sicilian, Richter-Rauzer, Bondarevsky variation2433.3%54.2%
C13French, classical2412.5%52.1%
C33KGA, bishop's gambit, Maurian defence2420.8%52.1%
C46Four knights, Schultze-Mueller gambit2429.2%39.6%
D33QGD, Tarrasch, Wagner variation2429.2%60.4%
D53QGD, 4.Bg5 Be7, 5.e3 O-O2441.7%50.0%
D63QGD, Orthodox defence, Pillsbury attack2445.8%43.8%
D69QGD, Orthodox defence, classical, 13.de2458.3%50.0%
A00Anti-Borg (Desprez) opening2321.7%58.7%
B12de Bruycker defence2330.4%50.0%
B85Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc62321.7%50.0%
C29Vienna gambit, Paulsen attack2326.1%52.2%
C60Ruy Lopez, Lucena defence2321.7%45.7%
C80Ruy Lopez, open, Schlechter defence2339.1%32.6%
C14French, classical variation2213.6%20.5%
C33KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit229.1%45.5%
C37KGA, Blachly gambit2213.6%29.5%
C44Konstantinopolsky opening2213.6%43.2%
C53Giuoco Piano, Anderssen variation2250.0%52.3%
C83Ruy Lopez, open, 9...Be7, 10.Re12231.8%56.8%
E78King's Indian, Four pawns attack, with Be2 and Nf32245.5%59.1%
B13Caro-Kann, Panov-Botvinnik, Herzog defence2123.8%54.8%
B64Sicilian, Richter-Rauzer, Rauzer attack, Geller variation214.8%73.8%
C22Centre game2128.6%61.9%
C38KGA, Hanstein gambit2119.0%38.1%
C45Scotch, Blackburne attack2157.1%52.4%
C49Four knights, Janowski variation2138.1%38.1%
C51Evans gambit declined2138.1%42.9%
D06Queen's Gambit2119.0%57.1%
D83Gruenfeld, Gruenfeld gambit, Botvinnik variation2161.9%40.5%
C10French, Rubinstein, Capablanca line2035.0%52.5%
C33KGA, Breyer gambit2040.0%30.0%
C57Two knights defence, Lolli attack2020.0%55.0%
C64Ruy Lopez, classical defence, Charousek variation2025.0%67.5%
C78Ruy Lopez, Wing attack2045.0%62.5%
D51QGD, Manhattan variation2025.0%52.5%
D65QGD, Orthodox defence, Rubinstein attack, main line2035.0%42.5%
A06Tennison (Lemberg, Zukertort) gambit1921.1%57.9%
A10English, Jaenisch gambit1921.1%68.4%
A83Dutch, Staunton gambit, Alekhine variation1931.6%63.2%
B05Alekhine's defence, modern, Panov variation1936.8%65.8%
B45Sicilian, Taimanov, American attack1952.6%42.1%
C23Bishop's opening, Philidor variation1926.3%55.3%
C24Bishop's opening, Ponziani gambit1921.1%36.8%
C39KGA, Kieseritsky, Rice gambit1952.6%26.3%
C41Philidor, Boden variation1910.5%52.6%
C42Petrov, classical attack, Berger variation1936.8%55.3%
C60Ruy Lopez, Nuernberg variation1936.8%44.7%
D32QGD, Tarrasch defence, Marshall gambit1936.8%50.0%
D86Gruenfeld, exchange, Larsen variation1926.3%60.5%
E92King's Indian, classical variation1926.3%44.7%
A03Bird's opening, Williams gambit1816.7%58.3%
B00Barnes defence1816.7%63.9%
B01Scandinavian, Richter variation1822.2%72.2%
B02Alekhine's defence, Krejcik variation1827.8%36.1%
B21Sicilian, Andreaschek gambit1844.4%61.1%
B23Sicilian, Grand Prix attack, Schofman variation1827.8%30.6%
C12French, MacCutcheon, Bernstein variation185.6%52.8%
C41Philidor, Philidor counter-gambit, Zukertort variation1833.3%55.6%
C65Ruy Lopez, Berlin defence, Mortimer variation1811.1%66.7%
C79Ruy Lopez, Steinitz defence deferred, Lipnitsky variation1844.4%50.0%
C82Ruy Lopez, open, Berlin variation1833.3%61.1%
D35QGD, exchange, chameleon variation1827.8%63.9%
A45Queen's pawn, Bronstein gambit1711.8%47.1%
B73Sicilian, dragon, classical, Zollner gambit1735.3%23.5%
C23Bishop's opening, Calabrese counter-gambit, Jaenisch variation1711.8%64.7%
C43Petrov, modern attack, Bardeleben variation1717.6%67.6%
C57Two knights defence, Fritz, Gruber variation1735.3%52.9%
C81Ruy Lopez, open, Howell attack, Ekstroem variation1752.9%61.8%
A00Global opening1618.8%71.9%
A22English, Bellon gambit1612.5%43.8%
A82Dutch, Staunton gambit, Tartakower variation1618.8%53.1%
A84Dutch, Staunton gambit deferred1625.0%37.5%
B00KP, Colorado counter1631.3%59.4%
B03Alekhine's defence, O'Sullivan gambit166.3%59.4%
C13French, classical, Frankfurt variation1618.8%84.4%
C20KP, King's head opening1631.3%59.4%
C31KGD, Falkbeer, Tartakower variation1625.0%81.3%
C39KGA, Kieseritsky, Salvio (Rosenthal) defence1656.3%59.4%
C44Ponziani, Reti variation166.3%53.1%
C45Scotch, Tartakower variation1637.5%56.3%
C52Evans gambit, compromised defence, Paulsen variation1625.0%68.8%
C61Ruy Lopez, Bird's defence, Paulsen variation1631.3%46.9%
D90Gruenfeld, Schlechter variation1625.0%62.5%
E20Nimzo-Indian, Mikenas attack1631.3%34.4%
E60King's Indian, 3.g3, counterthrust variation1631.3%46.9%
E60King's Indian, Danube gambit1631.3%53.1%
B02Alekhine's defence, Spielmann variation1533.3%56.7%
B09Pirc, Austrian attack, Ljubojevic variation1526.7%73.3%
C03French, Tarrasch, Haberditz variation1513.3%66.7%
C20KP, Napoleon's opening1540.0%53.3%
C31KGD, Falkbeer, 4.d31533.3%63.3%
C41Philidor, Lopez counter-gambit1513.3%80.0%
C48Four knights, Rubinstein counter-gambit, Bogolyubov variation1533.3%56.7%
C53Giuoco Piano, LaBourdonnais variation1540.0%60.0%
C70Ruy Lopez, fianchetto defence deferred1540.0%73.3%
C80Ruy Lopez, open, 8.de1520.0%56.7%
E03Catalan, open, Alekhine variation156.7%43.3%
E36Nimzo-Indian, classical, Botvinnik variation1533.3%56.7%
A02Bird's opening, Swiss gambit1414.3%64.3%
A59Benko gambit, Ne2 variation1428.6%64.3%
A68Benoni, four pawns attack140.0%42.9%
B01Scandinavian defence, Gruenfeld variation1435.7%53.6%
B12Caro-Masi defence1414.3%50.0%
B27Sicilian, Stiletto (Althouse) variation1414.3%71.4%
B98Sicilian, Najdorf, Goteborg (Argentine) variation1435.7%46.4%
C10French, Marshall variation1435.7%67.9%
C19French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation1450.0%53.6%
C25Vienna, Pierce gambit147.1%32.1%
C30KGD, Norwalde variation1428.6%50.0%
C41Philidor, Steinitz variation1421.4%53.6%
C45Scotch, Paulsen attack1428.6%28.6%
C51Evans gambit declined, Showalter variation1428.6%50.0%
C67Ruy Lopez, Berlin defence, Zukertort variation1457.1%42.9%
C89Ruy Lopez, Marshall, Kevitz variation1428.6%42.9%
D50QGD, Been-Koomen variation1428.6%42.9%
D51QGD, Alekhine variation1421.4%53.6%
E23Nimzo-Indian, Spielmann, Karlsbad variation1428.6%35.7%
A16English, Anglo-Gruenfeld defense, Korchnoi variation1330.8%69.2%
A58Benko gambit, Nd2 variation1330.8%53.8%
B15Caro-Kann, Rasa-Studier gambit1330.8%38.5%
B27Sicilian, Acton extension1323.1%57.7%
C13French, classical, Anderssen-Richter variation1315.4%30.8%
C29Vienna gambit, Kaufmann variation1338.5%65.4%
C37KGA, Quaade gambit137.7%11.5%
C42Petrov, French attack1315.4%69.2%
C46Three knights, Schlechter variation1338.5%65.4%
C46Three knights, Steinitz, Rosenthal variation1361.5%61.5%
C48Four knights, Rubinstein counter-gambit, 5.Be21323.1%57.7%
C51Evans gambit declined, Cordel variation1330.8%30.8%
C51Evans gambit, Morphy attack1338.5%57.7%
C83Ruy Lopez, open, Malkin variation1330.8%69.2%
D33QGD, Tarrasch, Schlechter-Rubinstein system1323.1%50.0%
E72King's Indian, Pomar system1353.8%57.7%
A00Amar gambit1216.7%50.0%
A57Benko gambit, Nescafe Frappe attack120.0%33.3%
C12French, MacCutcheon, advance variation1241.7%54.2%
C14French, classical, Pollock variation120.0%41.7%
C15French, Winawer, Kondratiyev variation1241.7%62.5%
C30KGD, classical, Soldatenkov variation1225.0%54.2%
C40Latvian, Fraser defence128.3%62.5%
C41Philidor, Nimzovich, Klein variation128.3%62.5%
C51Evans gambit, normal variation1233.3%41.7%
C79Ruy Lopez, Steinitz defence deferred, Rubinstein variation1216.7%66.7%
D51QGD, Capablanca anti-Cambridge Springs variation1216.7%58.3%
D98Gruenfeld, Russian, Keres variation1225.0%70.8%
E37Nimzo-Indian, classical, San Remo variation1241.7%54.2%
A38English, symmetrical, main line with b31136.4%36.4%
A83Dutch, Staunton gambit, Lasker variation1127.3%50.0%
B00Corn stalk defence1136.4%81.8%
B24Sicilian, closed, Smyslov variation1145.5%68.2%
B31Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation1145.5%40.9%
C29Vienna gambit, Bardeleben variation1118.2%27.3%
C30KGD, classical, Marshall attack1127.3%50.0%
C33KGA, bishop's gambit, classical defence119.1%22.7%
C37KGA, Muzio gambit119.1%13.6%
C37KGA, Salvio gambit1127.3%50.0%
C43Petrov, modern attack, Steinitz variation1127.3%59.1%
C48Four knights, Marshall variation1118.2%63.6%
C51Evans gambit, Goering attack1127.3%59.1%
C58Two knights defence, Paoli variation1118.2%81.8%
C65Ruy Lopez, Berlin defence, Kaufmann variation1118.2%45.5%
C68Ruy Lopez, exchange, Romanovsky variation1118.2%45.5%
C80Ruy Lopez, open, Bernstein variation, Karpov gambit1163.6%68.2%
C80Ruy Lopez, open, Tartakower variation1136.4%63.6%
D00Blackmar-Diemer, Euwe defence110.0%45.5%
E87King's Indian, Saemisch, orthodox, Bronstein variation1127.3%59.1%
B37Sicilian, accelerated fianchetto, Simagin variation1030.0%45.0%
C44Ponziani, Romanishin variation1060.0%60.0%
C44Scotch, Goering gambit, Bardeleben variation1020.0%40.0%
C45Scotch, Blumenfeld attack1040.0%20.0%
C52Evans gambit, Lasker defence1040.0%50.0%
C67Ruy Lopez, Berlin defence, Winawer attack1070.0%45.0%
D22QGA, Alekhine defence, Alatortsev variation1050.0%65.0%
D97Gruenfeld, Russian, Levenfish variation1030.0%45.0%
A00Amsterdam attack933.3%50.0%
A00Battambang opening933.3%27.8%
A47Queen's Indian, Marienbad system, Berg variation922.2%55.6%
A59Benko gambit, 7.e4933.3%61.1%
A70Benoni, classical without 9.O-O922.2%77.8%
B13Caro-Kann, Panov-Botvinnik, Gunderam attack933.3%38.9%
B20Sicilian, Gloria variation922.2%55.6%
C01French, exchange, Bogolyubov variation922.2%33.3%
C13French, Albin-Alekhine-Chatard attack, Teichmann variation922.2%88.9%
C32KGD, Falkbeer, main line, 7...Bf5977.8%38.9%
C33King's gambit accepted922.2%44.4%
C38King's knight's gambit911.1%50.0%
C42Petrov, classical attack, Tarrasch variation933.3%83.3%
C58Two knights defence, Colman variation90.0%77.8%
C60Ruy Lopez, Vinogradov variation933.3%50.0%
C70Ruy Lopez, Graz variation933.3%61.1%
A54Old Indian, Dus-Khotimirsky variation812.5%68.8%
B00Fred80.0%87.5%
B02Alekhine's defence, Steiner variation825.0%37.5%
B05Alekhine's defence, modern, Vitolins attack850.0%25.0%
B72Sicilian, dragon, classical, Grigoriev variation850.0%62.5%
C12French, MacCutcheon, Grigoriev variation862.5%56.3%
C22Centre game, Hall variation825.0%62.5%
C33KGA, bishop's gambit, Paulsen attack812.5%43.8%
C41Philidor, Hanham, Delmar variation850.0%75.0%
C55Two knights, Max Lange attack, Steinitz variation812.5%56.3%
C67Ruy Lopez, Berlin defence, Rio de Janeiro variation850.0%75.0%
C80Ruy Lopez, open, Friess attack850.0%37.5%
D43QGD semi-Slav, Hastings variation825.0%25.0%
E21Nimzo-Indian, three knights, Euwe variation837.5%56.3%
E83King's Indian, Saemisch, Ruban variation812.5%56.3%
A03Mujannah opening70.0%42.9%
A42Modern defence, Averbakh system, Randspringer variation728.6%28.6%
A81Dutch, Leningrad, Karlsbad variation742.9%64.3%
A82Dutch, Balogh defence728.6%57.1%
A83Dutch, Staunton gambit, Nimzovich variation714.3%50.0%
B18Caro-Kann, classical, Maroczy attack742.9%64.3%
C13French, Albin-Alekhine-Chatard attack, Maroczy variation728.6%28.6%
C15French, Winawer, Alekhine gambit70.0%71.4%
C17French, Winawer, advance, Rauzer variation757.1%42.9%
C22Centre game, Charousek variation714.3%50.0%
C25Vienna, Steinitz gambit, Fraser-Minckwitz variation714.3%50.0%
C31KGD, Falkbeer, Morphy gambit742.9%64.3%
C31KGD, Falkbeer, Nimzovich variation70.0%42.9%
C33KGA, Villemson (Steinitz) gambit728.6%42.9%
C33KGA, bishop's gambit, Boden defence714.3%35.7%
C44Tayler opening728.6%28.6%
C48Four knights, Bardeleben variation728.6%57.1%
C51Evans gambit, 5...Be7771.4%35.7%
C57Two knights defence, Pincus variation742.9%64.3%
C70Ruy Lopez, Alapin's defence deferred70.0%42.9%
C80Ruy Lopez, open, Zukertort variation714.3%50.0%
C82Ruy Lopez, open, Motzko attack, Nenarokov variation742.9%35.7%
D32QGD, Tarrasch defence, Tarrasch gambit728.6%42.9%
D55QGD, Neo-orthodox variation757.1%57.1%
D67QGD, Orthodox defence, Bd3 line, Janowski variation757.1%42.9%
D68QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)771.4%64.3%
E14Queen's Indian, Averbakh variation728.6%28.6%
A40Queen's pawn, Charlick (Englund) gambit60.0%83.3%
B00KP, Nimzovich defence, Marshall gambit616.7%41.7%
B02Alekhine's defence, Kmoch variation60.0%50.0%
C12French, MacCutcheon, Bogolyubov variation616.7%75.0%
C14French, classical, Tarrasch variation650.0%75.0%
C23Bishop's opening, Lewis counter-gambit633.3%50.0%
C24Bishop's opening, Urusov gambit, Panov variation616.7%58.3%
C27Boden-Kieseritsky gambit, Lichtenhein defence633.3%33.3%
C30KGD, classical counter-gambit616.7%58.3%
C30KGD, classical, Reti variation616.7%75.0%
C33KGA, bishop's gambit, Anderssen variation616.7%75.0%
C40King's knight opening616.7%41.7%
C40Latvian gambit, 3.Bc4633.3%66.7%
C40Latvian, Polerio variation60.0%33.3%
C48Four knights, Spielmann variation633.3%50.0%
C51Evans gambit60.0%0.0%
C52Evans gambit, Richardson attack616.7%25.0%
C52Evans gambit, Waller attack616.7%41.7%
C57Two knights defence, Fritz variation616.7%58.3%
C60Ruy Lopez, Brentano defence616.7%58.3%
C65Ruy Lopez, Berlin defence, Anderssen variation616.7%8.3%
C80Ruy Lopez, open, Berger variation666.7%33.3%
C82Ruy Lopez, open, 9.c3616.7%58.3%
E23Nimzo-Indian, Spielmann, San Remo variation650.0%58.3%
A02Bird, From gambit, Lipke variation520.0%30.0%
A04Reti, Wade defence540.0%80.0%
A66Benoni, pawn storm variation560.0%70.0%
B01Scandinavian, Anderssen counter-attack, Goteborg system50.0%100.0%
B01Scandinavian, Kiel variation520.0%90.0%
B03Alekhine's defence, exchange, Karpov variation540.0%40.0%
B05Alekhine's defence, modern, Alekhine variation560.0%50.0%
B77Sicilian, dragon, Yugoslav attack, Byrne variation50.0%80.0%
C23Bishop's opening, Lewis gambit540.0%40.0%
C25Vienna, Steinitz gambit540.0%60.0%
C30KGD, classical, Svenonius variation520.0%50.0%
C31KGD, Falkbeer, 3...e4540.0%60.0%
C33KGA, bishop's gambit, Ruy Lopez defence540.0%40.0%
C38KGA, Philidor gambit, Schultz variation50.0%20.0%
C39KGA, Kieseritsky, Paulsen defence540.0%40.0%
C41Philidor, Nimzovich, Sokolsky variation520.0%50.0%
C41Philidor, Philidor counter-gambit, del Rio attack540.0%60.0%
C49Four knights, symmetrical, Tarrasch variation540.0%60.0%
C50Rousseau gambit50.0%60.0%
C58Two knights defence, Yankovich variation540.0%40.0%
C80Ruy Lopez, open, Harksen gambit50.0%60.0%
C83Ruy Lopez, open, Breslau variation50.0%80.0%
C88Ruy Lopez, Noah's ark trap50.0%60.0%
C96Ruy Lopez, closed, Rossolimo defence520.0%70.0%
D34QGD, Tarrasch, Bogolyubov variation540.0%20.0%
D53QGD, Lasker variation520.0%50.0%
E36Nimzo-Indian, classical, Noa variation, main line50.0%20.0%
E77King's Indian, Four pawns attack, 6.Be250.0%40.0%
A02Bird, Hobbs gambit425.0%62.5%
A25English, closed, 5.Rb1 Taimanov variation425.0%37.5%
A43Hawk (Habichd) defence425.0%37.5%
A66Benoni, Mikenas variation450.0%50.0%
A86Dutch, Hort-Antoshin system40.0%75.0%
B13Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation425.0%87.5%
B40Sicilian, Pin, Jaffe variation40.0%100.0%
B71Sicilian, dragon, Levenfish; Flohr variation425.0%62.5%
C12French, MacCutcheon, Tartakower variation450.0%50.0%
C13French, classical, Vistaneckis (Nimzovich) variation40.0%75.0%
C14French, classical, Stahlberg variation450.0%75.0%
C25Vienna, Hamppe-Allgaier gambit425.0%37.5%
C31KGD, Falkbeer, Rubinstein variation450.0%50.0%
C38KGA, Philidor gambit40.0%25.0%
C39KGA, Kieseritsky, Neumann defence425.0%62.5%
C49Four knights, symmetrical, Blake variation475.0%62.5%
C52Evans gambit, Alapin-Steinitz variation450.0%75.0%
C53Giuoco Piano, Tarrasch variation425.0%62.5%
C54Giuoco Piano, Greco's attack425.0%37.5%
C55Two knights, Max Lange attack, Marshall variation450.0%50.0%
C58Two knights defence, Blackburne variation450.0%75.0%
C66Ruy Lopez, closed Berlin defence, Chigorin variation40.0%75.0%
C67Ruy Lopez, open Berlin defence, Showalter variation425.0%62.5%
D26QGA, classical, Furman variation475.0%37.5%
D30QGD, Spielmann variation450.0%75.0%
D31QGD, semi-Slav, Koomen variation450.0%50.0%
D63QGD, Orthodox defence, Capablanca variation40.0%75.0%
E08Catalan, closed, Zagoryansky variation450.0%75.0%
A56Vulture defence30.0%33.3%
A80Dutch, Spielmann gambit333.3%16.7%
C11French, Steinitz, Bradford attack30.0%33.3%
C12French, MacCutcheon, Duras variation366.7%66.7%
C21Danish gambit, Collijn defence30.0%33.3%
C30KGD, classical, Heath variation366.7%33.3%
C32KGD, Falkbeer, Reti variation366.7%33.3%
C33KGA, bishop's gambit, Boren-Svenonius variation30.0%66.7%
C37KGA, Rosentreter gambit333.3%83.3%
C37KGA, Salvio gambit, Anderssen counter-attack30.0%33.3%
C41Philidor, Paulsen attack30.0%100.0%
C45Scotch, Ghulam Kassim variation333.3%83.3%
C49Four knights, Svenonius variation30.0%66.7%
C57Two knights defence, Fegatello attack, Leonhardt variation30.0%0.0%
C62Ruy Lopez, old Steinitz defence, semi-Duras variation30.0%100.0%
C67Ruy Lopez, Berlin defence, Pillsbury variation366.7%33.3%
C67Ruy Lopez, Berlin defence, Trifunovic variation30.0%100.0%
C77Ruy Lopez, Wormald attack, Gruenfeld variation366.7%66.7%
C80Ruy Lopez, open, Richter variation30.0%33.3%
D30QGD, Stonewall variation333.3%83.3%
D50QGD, Canal (Venice) variation30.0%33.3%
E09Catalan, closed, Sokolsky variation30.0%66.7%
A46Doery defence250.0%25.0%
B01Scandinavian, Anderssen counter-attack250.0%75.0%
B03Alekhine's defence, four pawns attack, Ilyin-Genevsky var.20.0%50.0%
B03Alekhine's defence, four pawns attack, Planinc variation20.0%100.0%
B03Alekhine's defence, four pawns attack, Tartakower variation250.0%75.0%
B07Pirc, Chinese variation20.0%50.0%
B20Sicilian, wing gambit, Santasiere variation250.0%75.0%
C32KGD, Falkbeer, Charousek gambit20.0%100.0%
C33KGA, Lopez-Gianutio counter-gambit, Hein variation250.0%75.0%
C33KGA, bishop's gambit, McDonnell attack250.0%75.0%
C35KGA, Cunningham, Bertin gambit20.0%50.0%
C36KGA, Abbazia defence, Botvinnik variation20.0%100.0%
C37KGA, MacDonnell gambit250.0%75.0%
C37KGA, Silberschmidt gambit20.0%0.0%
C41Philidor, Hanham, Kmoch variation20.0%50.0%
C52Evans gambit, Leonhardt variation2100.0%50.0%
C52Evans gambit, Levenfish variation250.0%25.0%
C53Giuoco Piano, Mestel variation250.0%75.0%
C59Two knights defence, Goering variation20.0%50.0%
D08QGD, Albin counter-gambit, Krenosz variation250.0%75.0%
D34QGD, Tarrasch, Stoltz variation20.0%100.0%
D50QGD, Semi-Tarrasch, Krause variation250.0%25.0%
A51Budapest, Fajarowicz, Steiner variation1100.0%50.0%
A80Dutch, Von Pretzel gambit1100.0%50.0%
B00Guatemala defence10.0%100.0%
B62Sicilian, Richter-Rauzer, Richter attack10.0%0.0%
C15French, Winawer, Alekhine gambit, Alatortsev variation1100.0%50.0%
C25Vienna, Steinitz gambit, Zukertort defence1100.0%50.0%
C32KGD, Falkbeer, Charousek variation10.0%0.0%
C32KGD, Falkbeer, Keres variation1100.0%50.0%
C32KGD, Falkbeer, Tarrasch variation10.0%100.0%
C34KGA, Gianutio counter-gambit10.0%0.0%
C37KGA, King's knight's gambit10.0%0.0%
C37KGA, Lolli gambit (wild Muzio gambit)1100.0%50.0%
C37KGA, double Muzio gambit10.0%0.0%
C39KGA, Allgaier gambit10.0%100.0%
C39KGA, Kieseritsky, Brentano (Campbell) defence10.0%100.0%
C39King's knight's gambit10.0%100.0%
C42Petrov, classical attack, Krause variation1100.0%50.0%
C44Ponziani counter-gambit, Cordel variation10.0%100.0%
C44Ponziani counter-gambit, Schmidt attack10.0%0.0%
C44Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack1100.0%50.0%
C45Scotch, Rosenthal variation10.0%0.0%
C49Four knights, Gunsberg counter-attack1100.0%50.0%
C51Evans gambit, Steinitz variation10.0%100.0%
C54Giuoco Piano, Greco variation1100.0%50.0%
C55Giuoco piano1100.0%50.0%
C55Two knights defence, Keidanz variation1100.0%50.0%
C57Two knights defence, Fegatello attack, Polerio defence10.0%0.0%
C59Two knights defence, Knorre variation1100.0%50.0%
C64Ruy Lopez, classical defence, Boden variation1100.0%50.0%
C78Ruy Lopez, Rabinovich variation10.0%100.0%
C89Ruy Lopez, Marshall, main line, Spassky variation1100.0%50.0%
C98Ruy Lopez, closed, Chigorin, Rauzer attack10.0%0.0%
D08QGD, Albin counter-gambit, Balogh variation10.0%0.0%
D08QGD, Albin counter-gambit, Janowski variation10.0%100.0%
D12QGD Slav, Landau variation1100.0%50.0%
D33QGD, Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation1100.0%50.0%
D51QGD, Rochlin variation10.0%0.0%
D55QGD, Pillsbury attack10.0%0.0%
D67QGD, Orthodox defence, Bd3 line, Capablanca freeing manoevre10.0%100.0%

Created in 2005-2013 by CCRL team
Last games added on January 13, 2018