CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

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
Commented
PGN
A10English, Jaenisch gambit20.0%100.0%
C25Vienna, Steinitz gambit, Fraser-Minckwitz variation10.0%100.0%
A80Dutch, Von Pretzel gambit20.0%100.0%
A04Reti, Herrstroem gambit20.0%100.0%
E23Nimzo-Indian, Spielmann, Staahlberg variation20.0%100.0%
C33KGA, bishop's gambit, McDonnell attack10.0%100.0%
C35KGA, Cunningham, three pawns gambit20.0%100.0%
B40Sicilian, Pin, Jaffe variation40.0%100.0%
C41Philidor, Hanham, Kmoch variation10.0%100.0%
C23Bishop's opening, Calabrese counter-gambit, Jaenisch variation30.0%100.0%
C57Two knights defence, Fegatello attack, Polerio defence40.0%100.0%
C53Giuoco Piano, Eisinger variation20.0%100.0%
C80Ruy Lopez, open, Harksen gambit10.0%100.0%
C44Scotch gambit, Hanneken variation10.0%100.0%
C54Giuoco Piano, Moeller, bayonet attack10.0%100.0%
B01Scandinavian, Anderssen counter-attack orthodox attack10.0%100.0%
C51Evans gambit, Ulvestad variation20.0%100.0%
C52Evans gambit, compromised defence, Potter variation10.0%100.0%
C29Vienna gambit, Wurzburger trap20.0%100.0%
B01Scandinavian, Anderssen counter-attack, Collijn variation10.0%100.0%
C12French, MacCutcheon, Tartakower variation20.0%100.0%
C46Three knights, Winawer defence (Gothic defence)10.0%100.0%
A00Amsterdam attack30.0%100.0%
D43QGD semi-Slav, Hastings variation520.0%90.0%
C67Ruy Lopez, Berlin defence, Trifunovic variation520.0%90.0%
C52Evans gambit, Waller attack922.2%88.9%
D18QGD Slav, Dutch, Lasker variation425.0%87.5%
B27Sicilian, Acton extension425.0%87.5%
B01Scandinavian, Kiel variation728.6%85.7%
C06French, Tarrasch, Leningrad variation1921.1%84.2%
A56Vulture defence333.3%83.3%
C89Ruy Lopez, Marshall, Herman Steiner variation333.3%83.3%
C13French, classical, Frankfurt variation837.5%81.3%
B00Barnes defence1637.5%81.3%
C40QP counter-gambit, Maroczy gambit540.0%80.0%
C30KGD, Norwalde variation2213.6%79.5%
C27Vienna, `Frankenstein-Dracula' variation1910.5%78.9%
D41QGD, Semi-Tarrasch, San Sebastian variation2937.9%77.6%
C70Ruy Lopez, Alapin's defence deferred1533.3%76.7%
B40Sicilian, Pin, Koch variation8523.5%76.5%
D08QGD, Albin counter-gambit, Balogh variation2330.4%76.1%
C58Two knights defence, Paoli variation1030.0%75.0%
B01Scandinavian defence, Gruenfeld variation40.0%75.0%
C03French, Tarrasch, Haberditz variation616.7%75.0%
C65Ruy Lopez, Berlin defence, Anderssen variation250.0%75.0%
A43Woozle defence80.0%75.0%
D30QGD, Stonewall variation450.0%75.0%
E87King's Indian, Saemisch, orthodox, Bronstein variation250.0%75.0%
B40Sicilian, Marshall variation825.0%75.0%
C41Philidor, Philidor counter-gambit, del Rio attack40.0%75.0%
C51Evans gambit, Goering attack450.0%75.0%
C77Ruy Lopez, Wormald attack, Gruenfeld variation450.0%75.0%
C43Petrov, modern attack, Steinitz variation250.0%75.0%
B00Fred80.0%75.0%
C60Ruy Lopez, Vinogradov variation250.0%75.0%
A02Bird's opening, Swiss gambit250.0%75.0%
C23Bishop's opening, Lewis gambit40.0%75.0%
C55Two knights, Max Lange attack, Krause variation450.0%75.0%
D55QGD, Pillsbury attack250.0%75.0%
D08QGD, Albin counter-gambit, Janowski variation2123.8%73.8%
C82Ruy Lopez, open, Motzko attack, Nenarokov variation1942.1%73.7%
C82Ruy Lopez, open, 9.c3933.3%72.2%
C41Philidor, Philidor counter-gambit3016.7%71.7%
C43Petrov, Urusov gambit1414.3%71.4%
B00Reversed Grob (Borg/Basman defence/macho Grob)5219.2%71.2%
C29Vienna gambit, Kaufmann variation1241.7%70.8%
B00KP, Colorado counter1241.7%70.8%
C52Evans gambit, compromised defence5425.9%70.4%
B03Alekhine's defence, four pawns attack, 7.Be317633.5%70.2%
C45Scotch, Pulling counter-attack520.0%70.0%
A02Bird, Hobbs gambit560.0%70.0%
B03Alekhine's defence, four pawns attack, Trifunovic variation11031.8%69.5%
A59Benko gambit, main line18042.2%68.9%
D48QGD semi-Slav, Meran, Pirc variation1650.0%68.8%
C30KGD, Mafia defence837.5%68.8%
A04Reti, Lisitsin gambit deferred4628.3%68.5%
C32KGD, Falkbeer, main line, 7...Bf51127.3%68.2%
C67Ruy Lopez, Berlin defence, Winawer attack3333.3%68.2%
C80Ruy Lopez, open, Riga variation1145.5%68.2%
C40Latvian, Fraser defence6131.1%68.0%
C82Ruy Lopez, open, Berlin variation2828.6%67.9%
C64Ruy Lopez, classical defence, Charousek variation1435.7%67.9%
D15QGD Slav, Slav gambit7929.1%67.7%
E51Nimzo-Indian, 4.e3, Ragozin variation4835.4%67.7%
C55Two knights, Max Lange attack, Steinitz variation1741.2%67.6%
C51Evans gambit, Paulsen variation2025.0%67.5%
B04Alekhine's defence, modern, Keres variation9339.8%67.2%
C44Scotch gambit, Cochrane-Shumov defence1250.0%66.7%
C83Ruy Lopez, open, Breslau variation366.7%66.7%
C41Philidor, Lopez counter-gambit30.0%66.7%
B01Scandinavian, Richter variation1216.7%66.7%
C13French, Albin-Alekhine-Chatard attack, Teichmann variation366.7%66.7%
C41Philidor, Philidor counter-gambit, Zukertort variation1250.0%66.7%
C30KGD, classical, Svenonius variation366.7%66.7%
C42Petrov, classical attack, Tarrasch variation366.7%66.7%
C42Petrov, French attack966.7%66.7%
C55Two knights, Max Lange attack, Marshall variation922.2%66.7%
B77Sicilian, dragon, Yugoslav attack, Byrne variation1844.4%66.7%
C13French, Albin-Alekhine-Chatard attack, Spielmann variation6937.7%66.7%
A42Modern defence, Averbakh system, Randspringer variation1513.3%66.7%
C61Ruy Lopez, Bird's defence, Paulsen variation944.4%66.7%
C53Giuoco Piano, Mestel variation1216.7%66.7%
D53QGD, Lasker variation633.3%66.7%
C96Ruy Lopez, closed (10...c5)76333.4%66.4%
D67QGD, Orthodox defence, Bd3 line, 11.O-O6835.3%66.2%
C96Ruy Lopez, closed, Keres (...Nd7) defence24537.6%66.1%
E99King's Indian, orthodox, Aronin-Taimanov, main line8128.4%66.0%
C44Ponziani, Fraser defence7837.2%66.0%
D46QGD semi-Slav, 6.Bd35040.0%66.0%
A56Czech Benoni defence44726.8%66.0%
C41Philidor, Nimzovich, Rellstab variation4738.3%66.0%
C41Philidor, Larsen variation6625.8%65.9%
D34QGD, Tarrasch, Reti variation4454.5%65.9%
C05French, Tarrasch, Botvinnik variation11435.1%65.8%
A72Benoni, classical without 9.O-O15944.7%65.7%
C41Philidor, Hanham, Schlechter variation3551.4%65.7%
C40QP counter-gambit (elephant gambit)3250.0%65.6%
D44QGD semi-Slav, anti-Meran, Lilienthal variation20835.1%65.6%
B60Sicilian, Richter-Rauzer, Bondarevsky variation4546.7%65.6%
C60Ruy Lopez, Cozio defence, Paulsen variation7441.9%65.5%
D25QGA, Flohr variation12927.1%65.5%
B01Scandinavian defence, Lasker variation14633.6%65.4%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc3938.5%65.4%
B03Alekhine's defence, four pawns attack30733.6%65.3%
C51Evans gambit2040.0%65.0%
C13French, Albin-Alekhine-Chatard attack, Maroczy variation2020.0%65.0%
A59Benko gambit6043.3%65.0%
A63Benoni, fianchetto, 9...Nbd717436.8%64.9%
C49Four knights, Janowski variation2740.7%64.8%
C82Ruy Lopez, open, St. Petersburg variation23343.8%64.8%
C00French, Reversed Philidor formation1723.5%64.7%
D31QGD, Alapin variation1723.5%64.7%
B33Sicilian, Pelikan, Bird variation27336.3%64.7%
B05Alekhine's defence, modern variation, 4...Bg481832.6%64.6%
C41Philidor, Hanham, Steiner variation2437.5%64.6%
B82Sicilian, Scheveningen, Tal variation15834.2%64.6%
B40Sicilian, Pin variation (Sicilian counter-attack)3834.2%64.5%
D16QGD Slav accepted, Alapin variation26638.7%64.5%
C30KGD, Keene's defence9428.7%64.4%
E62King's Indian, fianchetto, Simagin variation10131.7%64.4%
C19French, Winawer, advance, Smyslov variation22328.3%64.3%
C40Gunderam defence13332.3%64.3%
B13Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation742.9%64.3%
D26QGA, classical, Steinitz variation18049.4%64.2%
C92Ruy Lopez, closed, Kholmov variation14232.4%64.1%
A09Reti accepted, Keres variation6827.9%64.0%
C47Four knights, Scotch, Krause variation6839.7%64.0%
E73King's Indian, 5.Be26129.5%63.9%
B42Sicilian, Kan, Gipslis variation9038.9%63.9%
B74Sicilian, dragon, classical, Alekhine variation2951.7%63.8%
D66QGD, Orthodox defence, Bd3 line, fianchetto variation2937.9%63.8%
C92Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation34542.9%63.8%
A74Benoni, classical, 9...a6, 10.a44032.5%63.8%
A77Benoni, classical, 9...Re8, 10.Nd223733.8%63.7%
C17French, Winawer, advance, 5.a358236.6%63.7%
C17French, Winawer, advance, Rauzer variation2236.4%63.6%
D46QGD semi-Slav, Romih variation19836.4%63.6%
A97Dutch, Ilyin-Genevsky, Winter variation19140.3%63.6%
E91King's Indian, 6.Be286434.1%63.6%
C98Ruy Lopez, closed, Chigorin, 12...Nc615230.9%63.5%
B98Sicilian, Najdorf, Browne variation5630.4%63.4%
A42Pterodactyl defence34036.8%63.4%
D07QGD, Chigorin defence, Janowski variation17237.2%63.4%
C97Ruy Lopez, closed, Chigorin defence88032.2%63.4%
C31KGD, Falkbeer, 4.d36050.0%63.3%
D97Gruenfeld, Russian, Byrne (Simagin) variation21440.7%63.3%
A25English, closed, Taimanov variation3420.6%63.2%
A43Old Benoni, Mujannah formation8732.2%63.2%
D32QGD, Tarrasch, von Hennig-Schara gambit13345.1%63.2%
B06Robatsch defence, Gurgenidze variation9634.4%63.0%
A42Modern defence, Averbakh system, Kotov variation18128.7%63.0%
C99Ruy Lopez, closed, Chigorin, 12...c5d492440.4%62.9%
C82Ruy Lopez, open, Italian variation11651.7%62.9%
B76Sicilian, dragon, Yugoslav attack, Rauser variation117434.2%62.8%
E69King's Indian, fianchetto, classical main line57933.7%62.8%
C80Ruy Lopez, open, Bernstein variation110849.7%62.8%
C13French, Albin-Alekhine-Chatard attack, Breyer variation10239.2%62.7%
E54Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation5154.9%62.7%
B27Sicilian defence5534.5%62.7%
A67Benoni, Taimanov variation37429.7%62.7%
C41Philidor, Hanham variation6333.3%62.7%
E15Queen's Indian, Buerger variation6735.8%62.7%
C18French, Winawer, advance variation69427.4%62.5%
C19French, Winawer, advance, poisoned pawn, Konstantinopolsky variation87032.2%62.5%
B64Sicilian, Richter-Rauzer, Rauzer attack, Geller variation1241.7%62.5%
A00Grob, Romford counter-gambit425.0%62.5%
C37KGA, Muzio gambit, Brentano defence425.0%62.5%
C58Two knights defence, Blackburne variation425.0%62.5%
E20Nimzo-Indian, Mikenas attack850.0%62.5%
C49Four knights, symmetrical, Blake variation475.0%62.5%
C12French, MacCutcheon, Duras variation425.0%62.5%
B15Caro-Kann, Gurgenidze counter-attack850.0%62.5%
C10French, Frere (Becker) variation3237.5%62.5%
C89Ruy Lopez, Marshall, main line, 12.d2d424040.8%62.5%
A00Global opening425.0%62.5%
B79Sicilian, dragon, Yugoslav attack, 12.h41625.0%62.5%
C14French, classical, Rubinstein variation4837.5%62.5%
C96Ruy Lopez, closed (8...Na5)4050.0%62.5%
A75Benoni, classical with ...a6 and 10...Bg414134.0%62.4%
A79Benoni, classical, 11.f310531.4%62.4%
C70Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation20238.6%62.4%
A43Old Benoni, Franco-Benoni defence19833.8%62.4%
A56Benoni defence, Hromodka system64526.7%62.3%
A56Czech Benoni, King's Indian system6520.0%62.3%
D63QGD, Orthodox defence, Pillsbury attack3754.1%62.2%
C48Four knights, Ranken variation3345.5%62.1%
B44Sicilian, Szen variation, Dely-Kasparov gambit3357.6%62.1%
C03French, Tarrasch, Guimard variation15731.2%62.1%
D97Gruenfeld, Russian, Levenfish variation2934.5%62.1%
A40Beefeater defence5431.5%62.0%
B61Sicilian, Richter-Rauzer, Larsen variation, 7.Qd269837.0%62.0%
C80Ruy Lopez, open (Tarrasch) defence7544.0%62.0%
A92Dutch defence14239.4%62.0%
A59Benko gambit, 7.e46331.7%61.9%
D16QGD Slav, Steiner variation32038.1%61.9%
C74Ruy Lopez, modern Steinitz defence19031.1%61.8%
A89Dutch, Leningrad, main variation with Nc664035.5%61.8%
A52Budapest, Rubinstein variation52242.7%61.8%
E99King's Indian, orthodox, Aronin-Taimanov, Benko attack15321.6%61.8%
B07Pirc, 150 attack31238.1%61.7%
C19French, Winawer, advance, poisoned pawn variation298333.6%61.6%
D28QGA, classical, 7.Qe26950.7%61.6%
E08Catalan, closed, 7.Qc215135.8%61.6%
A76Benoni, classical, 9...Re823339.9%61.6%
B27Sicilian, Quinteros variation8235.4%61.6%
D17QGD Slav, Carlsbad variation58740.0%61.6%
E60Queen's pawn, Mengarini attack3935.9%61.5%
E98King's Indian, orthodox, Aronin-Taimanov, 9.Ne1101927.2%61.5%
C30KGD, 2...Nf67028.6%61.4%
A61Benoni defence66733.4%61.4%
C55Two knights, Max Lange attack4431.8%61.4%
A21English, Smyslov defence6628.8%61.4%
D97Gruenfeld, Russian variation with e49732.0%61.3%
A78Benoni, classical with ...Re8 and ...Na612832.0%61.3%
D87Gruenfeld, exchange, Seville variation9353.8%61.3%
A51Budapest defence declined3145.2%61.3%
D72Neo-Gruenfeld, 5.cd, main line31735.3%61.2%
B12Caro-Kann, advance, Short variation6729.9%61.2%
B42Sicilian, Kan, Swiss cheese variation34035.9%61.2%
B60Sicilian, Richter-Rauzer, Larsen variation18830.9%61.2%
C20KP, Napoleon's opening4537.8%61.1%
C53Giuoco Piano, centre-holding variation9042.2%61.1%
D64QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation3633.3%61.1%
C15French, Winawer, Kondratiyev variation1855.6%61.1%
B02Alekhine's defence, Brooklyn defence2740.7%61.1%
C51Evans gambit, 5...Be77736.4%61.0%
D88Gruenfeld, Spassky variation, main line, 10...cd, 11.cd29142.3%61.0%
B04Alekhine's defence, modern variation33836.1%60.9%
D16QGD Slav, Smyslov variation11937.8%60.9%
A93Dutch, stonewall, Botwinnik variation29839.3%60.9%
C12French, MacCutcheon, Lasker variation24328.8%60.9%
A99Dutch, Ilyin-Genevsky variation with b339939.1%60.9%
A92Dutch, stonewall variation14740.1%60.9%
D94Gruenfeld, Flohr defence2352.2%60.9%
A52Budapest, Alekhine, Abonyi variation8330.1%60.8%
C04French, Tarrasch, Guimard main line59529.2%60.8%
C19French, Winawer, advance, 6...Ne749634.9%60.8%
E62King's Indian, fianchetto, Larsen system36741.4%60.8%
A90Dutch defence, Dutch-Indian (Nimzo-Dutch) variation31236.9%60.7%
B00Owen defence51333.7%60.7%
C41Philidor, Nimzovich, Sokolsky variation1478.6%60.7%
A82Dutch, Balogh defence2850.0%60.7%
C44Ponziani, Reti variation5639.3%60.7%
A86Dutch with c4 & g318736.9%60.7%
D25QGA, Smyslov variation11753.0%60.7%
A13English, Kurajica defence17834.8%60.7%
C44Konstantinopolsky opening6136.1%60.7%
B16Caro-Kann, Bronstein-Larsen variation64433.1%60.6%
B36Sicilian, accelerated fianchetto, Gurgenidze variation37048.6%60.5%
C05French, Tarrasch, closed variation155631.2%60.5%
C50King's pawn game28535.4%60.5%
D06QGD, symmetrical (Austrian) defence18145.9%60.5%
C70Ruy Lopez, Schliemann defence deferred4337.2%60.5%
D63QGD, Orthodox defence12946.5%60.5%
C44Ponziani counter-gambit13440.3%60.4%
D67QGD, Orthodox defence, Bd3 line, Alekhine variation6755.2%60.4%
C66Ruy Lopez, closed Berlin defence, Bernstein variation2445.8%60.4%
C49Four knights, symmetrical, Capablanca variation2454.2%60.4%
B03Alekhine's defence, four pawns attack, fianchetto variation15433.8%60.4%
D51QGD, Capablanca anti-Cambridge Springs variation5345.3%60.4%
A52Budapest, Alekhine variation2931.0%60.3%
B09Pirc, Austrian attack, 6.Bd3165940.2%60.3%
E37Nimzo-Indian, classical, Noa variation, main line, 7.Qc259748.9%60.3%
C00French, Wing gambit6841.2%60.3%
A40Queen's pawn, Charlick (Englund) gambit3444.1%60.3%
A56Benoni defence109333.7%60.3%
A90Dutch defence139538.9%60.3%
C10French, Paulsen variation111330.5%60.2%
B81Sicilian, Scheveningen, Keres attack256034.5%60.2%
A70Benoni, classical with e4 and Nf388238.1%60.2%
C82Ruy Lopez, open, Dilworth variation19640.8%60.2%
E15Queen's Indian, Rubinstein variation19735.0%60.2%
C78Ruy Lopez, ...b5 & ...d67436.5%60.1%
B00KP, Nimzovich defence, Bogolyubov variation14829.7%60.1%
D86Gruenfeld, exchange, Simagin's lesser variation9443.6%60.1%
B09Pirc, Austrian attack24337.9%60.1%
C12French, MacCutcheon, Dr. Olland (Dutch) variation13941.0%60.1%
E62King's Indian, fianchetto, Kavalek (Bronstein) variation66233.4%60.0%
D00Blackmar-Diemer, Lemberg counter-gambit2020.0%60.0%
E40Nimzo-Indian, 4.e3, Taimanov variation24535.1%60.0%
A25English, closed, 5.Rb1 Taimanov variation1020.0%60.0%
C39KGA, Kieseritsky, Neumann defence2540.0%60.0%
D63QGD, Orthodox defence, Capablanca variation540.0%60.0%
C67Ruy Lopez, Berlin defence, Cordel variation9537.9%60.0%
D40QGD, Semi-Tarrasch, Levenfish variation540.0%60.0%
C37KGA, Salvio gambit, Anderssen counter-attack50.0%60.0%
C86Ruy Lopez, Worrall attack3545.7%60.0%
B10Caro-Kann, anti-Caro-Kann defence81331.6%60.0%
E94King's Indian, orthodox, 7...Nbd7112035.4%60.0%
D06QGD, Grau (Sahovic) defence33833.4%59.9%
B05Alekhine's defence, modern, Flohr variation20738.6%59.9%
C87Ruy Lopez, closed, Averbach variation48541.0%59.9%
B12Caro-Kann, 3.Nd226336.1%59.9%
E09Catalan, closed, main line33437.1%59.9%
D98Gruenfeld, Russian, Smyslov variation40040.3%59.9%
D15QGD Slav, Schlechter variation47645.4%59.9%
B01Scandinavian, Marshall variation74043.2%59.9%
A44Semi-Benoni (`blockade variation')43628.9%59.9%
C83Ruy Lopez, open, classical defence26448.5%59.8%
A58Benko gambit, fianchetto variation18845.2%59.8%
C41Philidor, exchange variation112537.9%59.8%
C46Three knights game37331.1%59.8%
B25Sicilian, closed, 6.f4 e5 (Botvinnik)4645.7%59.8%
C06French, Tarrasch, closed variation, main line117239.0%59.8%
A43Old Benoni, Schmid's system4126.8%59.8%
E62King's Indian, fianchetto, lesser Simagin (Spassky) variation39636.6%59.7%
A92Dutch defence, Alekhine variation6241.9%59.7%
B04Alekhine's defence, modern, Schmid variation18639.8%59.7%
A16English, Anglo-Gruenfeld, Czech defense27434.7%59.7%
E68King's Indian, fianchetto, classical variation, 8.e4160740.4%59.6%
D15QGD Slav, Suechting variation21833.0%59.6%
B53Sicilian, Chekhover, Zaitsev variation10432.7%59.6%
A61Benoni, Nimzovich (knight's tour) variation60429.1%59.6%
B06Robatsch defence, Two knights variation41832.5%59.6%
E71King's Indian, Makagonov system (5.h3)112835.7%59.5%
C53Giuoco Piano, close variation14737.4%59.5%
C57Two knights defence, Lolli attack2133.3%59.5%
B03Alekhine's defence, exchange variation89338.9%59.5%
C40Latvian counter-gambit38929.6%59.5%
E38Nimzo-Indian, classical, 4...c582639.6%59.5%
C36KGA, Abbazia defence (classical defence, modern defence[!])14840.5%59.5%
B00St. George (Baker) defence5332.1%59.4%
A44Old Benoni defence6929.0%59.4%
E77King's Indian, Four pawns attack22331.8%59.4%
B06Robatsch defence, three pawns attack22328.3%59.4%
C66Ruy Lopez, Berlin defence, 4.O-O, d619746.7%59.4%
D95Gruenfeld with e3 & Qb34839.6%59.4%
E36Nimzo-Indian, classical, Botvinnik variation1643.8%59.4%
C12French, MacCutcheon, Lasker variation, 8...g643436.6%59.3%
A41Old Indian, Tartakower (Wade) variation184133.4%59.3%
B03Alekhine's defence19938.2%59.3%
B24Sicilian, closed, Smyslov variation2729.6%59.3%
C82Ruy Lopez, open, Motzko attack10848.1%59.3%
C00Lengfellner system2729.6%59.3%
E90King's Indian, Larsen variation14634.9%59.2%
B04Alekhine's defence, modern, Larsen variation125542.8%59.2%
A96Dutch, classical variation57935.9%59.2%
C75Ruy Lopez, modern Steinitz defence, Rubinstein variation19529.2%59.2%
C30KGD, classical, 4.c321731.8%59.2%
D83Gruenfeld, Gruenfeld gambit, Botvinnik variation3860.5%59.2%
C57Two knights defence, Wilkes Barre (Traxler) variation13634.6%59.2%
D20QGA, Linares variation12036.7%59.2%
A73Benoni, classical, 9.O-O13131.3%59.2%
A42Modern defence, Averbakh system88333.3%59.1%
C00St. George defence20946.4%59.1%
B62Sicilian, Richter-Rauzer, 6...e66642.4%59.1%
E37Nimzo-Indian, classical, San Remo variation1127.3%59.1%
A18English, Mikenas-Carls, Flohr variation54741.3%59.0%
C41Philidor's defence50335.8%59.0%
C93Ruy Lopez, closed, Smyslov defence27140.6%59.0%
E33Nimzo-Indian, classical, Milner-Barry (Zurich) variation48939.9%59.0%
E16Queen's Indian, Riumin variation31738.5%59.0%
C65Ruy Lopez, Berlin defence, 4.O-O25642.2%59.0%
D52QGD, Cambridge Springs defence, Capablanca variation3935.9%59.0%
C41Philidor, Nimzovich variation6743.3%59.0%
C42Petrov, classical attack, close variation21345.5%58.9%
E96King's Indian, orthodox, 7...Nbd7, main line10138.6%58.9%
B08Pirc, classical (two knights) system97738.0%58.9%
D30QGD, Capablanca variation4533.3%58.9%
A01Nimzovich-Larsen attack, Dutch variation4524.4%58.9%
A95Dutch, stonewall with Nc332132.4%58.9%
B69Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf614128.4%58.9%
E94King's Indian, orthodox, Donner variation30637.3%58.8%
D49QGD semi-Slav, Meran, Rellstab attack1735.3%58.8%
C52Evans gambit, compromised defence, Paulsen variation1723.5%58.8%
C83Ruy Lopez, open, Malkin variation1758.8%58.8%
B56Sicilian, Venice attack8537.6%58.8%
D34QGD, Tarrasch, Prague variation, 9.Bg562946.7%58.8%
B08Pirc, classical, h3 system57338.4%58.8%
C14French, classical, Steinitz variation89936.6%58.8%
B06Robatsch defence111336.1%58.8%
D50QGD, 4.Bg551439.7%58.8%
D99Gruenfeld defence, Smyslov, main line26342.2%58.7%
E80King's Indian, Saemisch variation71534.1%58.7%
D81Gruenfeld, Russian variation78542.0%58.7%
B00KP, Nimzovich defence108332.7%58.7%
D18QGD Slav, Dutch variation47041.3%58.7%
A53Old Indian defence153137.6%58.7%
B41Sicilian, Kan, Maroczy bind (Reti variation)71837.7%58.7%
E97King's Indian, orthodox, Aronin-Taimanov, bayonet attack142435.9%58.7%
C19French, Winawer, advance, positional main line129831.0%58.7%
B71Sicilian, dragon, Levenfish; Flohr variation5240.4%58.7%
E02Catalan, open, 5.Qa424346.5%58.6%
A57Benko gambit half accepted129939.8%58.6%
C18French, Winawer, classical variation45431.3%58.6%
E92King's Indian, Gligoric-Taimanov system179535.8%58.6%
D84Gruenfeld, Gruenfeld gambit accepted17548.6%58.6%
D17QGD Slav, Krause attack100540.9%58.6%
C42Petrov, classical attack, Mason variation18746.5%58.6%
A88Dutch, Leningrad, main variation with c6136340.6%58.5%
C77Ruy Lopez, Morphy defence, Duras variation8239.0%58.5%
A22English, Bellon gambit4727.7%58.5%
A55Old Indian, main line60635.8%58.5%
D25QGA, Janowsky-Larsen variation66541.8%58.5%
E70King's Indian, 4.e4145433.2%58.5%
C51Evans gambit declined, Showalter variation5345.3%58.5%
B27Sicilian, Katalimov variation21840.8%58.5%
B01Scandinavian defence164439.6%58.5%
D19QGD Slav, Dutch variation, main line33044.2%58.5%
B60Sicilian, Richter-Rauzer96936.0%58.5%
C91Ruy Lopez, closed, 9.d4134838.9%58.5%
C02French, advance, Wade variation42639.4%58.5%
A61Benoni, fianchetto variation7129.6%58.5%
D47QGD semi-Slav, 7.Bc48933.7%58.4%
B29Sicilian, Nimzovich-Rubinstein variation125239.9%58.4%
A17English, Queens Indian formation36937.7%58.4%
A68Benoni, four pawns attack12535.2%58.4%
C12French, MacCutcheon, Janowski variation16137.3%58.4%
B32Sicilian, Flohr variation35237.2%58.4%
B36Sicilian, accelerated fianchetto, Maroczy bind120745.5%58.4%
C42Petrov, classical attack, Jaenisch variation190846.7%58.4%
C31KGD, Falkbeer, Rubinstein variation3010.0%58.3%
D65QGD, Orthodox defence, Rubinstein attack, main line3650.0%58.3%
C45Scotch, Steinitz variation4833.3%58.3%
E64King's Indian, fianchetto, Yugoslav system16242.6%58.3%
D08QGD, Albin counter-gambit, Lasker trap616.7%58.3%
E82King's Indian, Saemisch, double fianchetto variation19836.9%58.3%
D55QGD, Neo-orthodox variation1250.0%58.3%
C00French, Alapin variation1827.8%58.3%
C79Ruy Lopez, Steinitz defence deferred, Lipnitsky variation1872.2%58.3%
A82Dutch, Staunton gambit, Tartakower variation1827.8%58.3%
B00Lemming defence1233.3%58.3%
C30KGD, classical, Hanham variation650.0%58.3%
C44Scotch, Lolli variation2433.3%58.3%
C70Ruy Lopez, Graz variation1266.7%58.3%
A66Benoni, pawn storm variation650.0%58.3%
C14French, classical, Tarrasch variation2425.0%58.3%
A81Dutch, Leningrad, Basman system1250.0%58.3%
E10Blumenfeld counter-gambit, Spielmann variation18634.9%58.3%
A01Nimzovich-Larsen attack, Polish variation616.7%58.3%
E10Doery defence3638.9%58.3%
D00Queen's pawn, Anti-Veresov650.0%58.3%
C14French, classical, Stahlberg variation650.0%58.3%
D08QGD, Albin counter-gambit, Krenosz variation1838.9%58.3%
E76King's Indian, Four pawns attack37338.3%58.3%
B39Sicilian, accelerated fianchetto, Breyer variation72341.6%58.3%
B28Sicilian, O'Kelly variation102236.9%58.3%
D44QGD semi-Slav, anti-Meran gambit98634.6%58.3%
D40QGD, Semi-Tarrasch defence, Pillsbury variation9750.5%58.2%
A60Benoni defence41331.2%58.2%
C95Ruy Lopez, closed, Breyer, Gligoric variation6744.8%58.2%
C53Giuoco Piano, LaBourdonnais variation6750.7%58.2%
B52Sicilian, Canal-Sokolsky attack, Bronstein gambit22040.9%58.2%
B38Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3125342.9%58.2%
E67King's Indian, fianchetto with ...Nd714740.1%58.2%
B09Pirc, Austrian attack, dragon formation97439.9%58.2%
E73King's Indian, Semi-Averbakh system14136.9%58.2%
C51Evans gambit, Morphy attack3740.5%58.1%
B42Sicilian, Kan, 5.Bd3255739.1%58.1%
D97Gruenfeld, Russian, Szabo (Boleslavsky) variation27845.0%58.1%
C42Petrov three knights game42139.7%58.1%
E19Queen's Indian, old main line, 9.Qxc3159847.4%58.1%
B07Pirc, Ufimtsev-Pytel variation72534.8%58.1%
C12French, MacCutcheon, Bernstein variation3125.8%58.1%
C42Petrov, classical attack, Marshall variation128444.6%58.1%
B01Scandinavian, Pytel-Wade variation352443.1%58.1%
B08Pirc, classical system, 5.Be2323339.5%58.1%
B15Caro-Kann, Gurgenidze system47237.3%58.1%
A65Benoni, 6.e461532.8%58.0%
C67Ruy Lopez, Berlin defence, Minckwitz variation5648.2%58.0%
E91King's Indian, Kazakh variation37438.0%58.0%
C70Ruy Lopez, Classical defence deferred12539.2%58.0%
C42Petrov, classical attack, Berger variation2560.0%58.0%
E88King's Indian, Saemisch, orthodox, 7.d5 c649433.4%58.0%
C17French, Winawer, advance variation11938.7%58.0%
C94Ruy Lopez, closed, Breyer defence11338.1%58.0%
E74King's Indian, Averbakh, 6...c555939.4%58.0%
B06Robatsch defence, Two knights, Suttles variation115638.1%58.0%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc326447.7%58.0%
A18English, Mikenas-Carls variation34138.4%57.9%
E16Queen's Indian, Yates variation53842.6%57.9%
E05Catalan, open, classical line24752.6%57.9%
C90Ruy Lopez, closed, Suetin variation9537.9%57.9%
C88Ruy Lopez, closed, 8.c33842.1%57.9%
C41Philidor, Improved Hanham variation147139.2%57.9%
E81King's Indian, Saemisch, Byrne variation10839.8%57.9%
E17Queen's Indian, old main line, 6.O-O135143.7%57.8%
D68QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)5156.9%57.8%
B73Sicilian, dragon, classical, Richter variation18549.7%57.8%
D11QGD Slav, Breyer variation30042.3%57.8%
C64Ruy Lopez, classical defence, 4.c341643.5%57.8%
C96Ruy Lopez, closed, Borisenko defence4540.0%57.8%
C58Two knights defence, Kieseritsky variation4531.1%57.8%
C60Ruy Lopez (Spanish opening)8432.1%57.7%
A58Benko gambit accepted113237.7%57.7%
A98Dutch, Ilyin-Genevsky variation with Qc222030.0%57.7%
E66King's Indian, fianchetto, Yugoslav Panno41533.0%57.7%
B75Sicilian, dragon, Yugoslav attack51932.6%57.7%
C13French, classical, Vistaneckis (Nimzovich) variation137.7%57.7%
C38KGA, Hanstein gambit1323.1%57.7%
E57Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd1338.5%57.7%
B01Scandinavian (centre counter) defence387439.8%57.7%
C63Ruy Lopez, Schliemann defence58742.8%57.7%
B27Sicilian, Hungarian variation394939.8%57.7%
B33Sicilian, Pelikan, Chelyabinsk variation249537.3%57.7%
C25Vienna game45235.6%57.6%
B04Alekhine's defence, modern, fianchetto variation96338.0%57.6%
D26QGA, classical variation, 6.O-O22349.8%57.6%
D21QGA, 3.Nf349942.7%57.6%
D22QGA, Alekhine defence54541.8%57.6%
C42Petrov, classical attack132149.7%57.6%
D05Queen's pawn game, Zukertort variation7946.8%57.6%
D55QGD, Neo-orthodox variation, 7.Bh423151.9%57.6%
A83Dutch, Staunton gambit, Lasker variation3336.4%57.6%
C43Petrov, modern attack, main line26448.5%57.6%
B64Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f435038.6%57.6%
C42Petrov, classical attack, Chigorin variation73543.0%57.6%
B98Sicilian, Najdorf variation37129.4%57.5%
D10QGD Slav defence, Alekhine variation33838.2%57.5%
D07QGD, Chigorin defence130736.4%57.5%
E11Bogo-Indian defence, Nimzovich variation203241.7%57.5%
E78King's Indian, Four pawns attack, with Be2 and Nf311340.7%57.5%
C65Ruy Lopez, Berlin defence, Beverwijk variation66539.5%57.5%
B07Robatsch defence, Geller's system79436.4%57.5%
A52Budapest, Adler variation43445.4%57.5%
C02French, advance, Steinitz variation69540.1%57.5%
E70King's Indian, Kramer system54231.5%57.5%
E72King's Indian, Pomar system6737.3%57.5%
B49Sicilian, Taimanov variation81844.3%57.5%
C70Ruy Lopez, Caro variation11443.0%57.5%
C72Ruy Lopez, modern Steinitz defence, 5.O-O98641.5%57.5%
D27QGA, classical, Geller variation9453.2%57.4%
A84Dutch defence, Rubinstein variation51131.9%57.4%
D17QGD Slav, Wiesbaden variation80342.3%57.4%
D01Richter-Veresov attack, Richter variation2725.9%57.4%
A14English, Symmetrical, Keres defence62148.1%57.4%
B02Alekhine's defence, Maroczy variation16935.5%57.4%
C66Ruy Lopez, Berlin defence, hedgehog variation14252.8%57.4%
B03Alekhine's defence, Balogh variation6139.3%57.4%
B10Caro-Kann, Two knights variation80538.1%57.3%
A04Reti v Dutch189332.9%57.3%
B12Caro-Kann defence39732.5%57.3%
E75King's Indian, Averbakh, main line26733.7%57.3%
D25QGA, 4.e323339.9%57.3%
C49Four knights, Nimzovich (Paulsen) variation9654.2%57.3%
D76Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb667246.7%57.3%
C10French, Fort Knox variation78340.7%57.3%
D51QGD5549.1%57.3%
C20Alapin's opening6233.9%57.3%
A40Polish defence12432.3%57.3%
C44Scotch gambit, Benima defence6939.1%57.2%
A40Queen's pawn, English defence49045.5%57.2%
E60King's Indian, 3.Nf3424141.0%57.2%
A90Dutch-Indian, Alekhine variation11131.5%57.2%
D55QGD, 6.Nf320938.8%57.2%
E62King's Indian, fianchetto, Uhlmann (Szabo) variation42536.7%57.2%
A86Dutch, Leningrad variation33537.9%57.2%
C92Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)215739.4%57.2%
C30King's gambit35037.1%57.1%
D32QGD, Tarrasch defence, Marshall gambit1442.9%57.1%
D68QGD, Orthodox defence, classical variation8450.0%57.1%
C51Evans gambit, Fraser attack1428.6%57.1%
A58Benko gambit, Nd2 variation1442.9%57.1%
B01Scandinavian, Icelandic gambit7045.7%57.1%
C64Ruy Lopez, classical defence, Boden variation1457.1%57.1%
D83Gruenfeld, Gruenfeld gambit, Capablanca variation54742.6%57.1%
B07Pirc, Byrne variation57833.9%57.1%
E16Queen's Indian, Capablanca variation67743.6%57.1%
B40Sicilian, Anderssen variation107940.4%57.1%
E87King's Indian, Saemisch, orthodox, 7.d550827.2%57.1%
E90King's Indian, 5.Nf3134333.9%57.1%
C11French, Steinitz, Boleslavsky variation454836.2%57.1%
B32Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation170741.0%57.1%
B23Sicilian, chameleon variation101335.9%57.1%
B09Pirc, Austrian attack, 6.Be341832.8%57.1%
C46Three knights, Steinitz variation25627.3%57.0%
B00King's pawn opening274734.4%57.0%
B63Sicilian, Richter-Rauzer, Rauzer attack17837.6%57.0%
E79King's Indian, Four pawns attack, main line5757.9%57.0%
C58Two knights defence39237.5%57.0%
D45QGD semi-Slav, 5.e352838.3%57.0%
E18Queen's Indian, old main line, 7.Nc3217143.9%57.0%
A40Modern defence185735.6%57.0%
D63QGD, Orthodox defence, Swiss (Henneberger) variation15044.7%57.0%
A81Dutch defence506438.5%57.0%
C03French, Tarrasch328043.5%57.0%
C70Ruy Lopez, fianchetto defence deferred12248.4%57.0%
B32Sicilian, Labourdonnais-Loewenthal variation40238.8%57.0%
C63Ruy Lopez, Schliemann defence, Berger variation56045.0%57.0%
A50Queen's Indian accelerated62540.3%57.0%
A02Bird, From gambit, Lasker variation3647.2%56.9%
C51Evans counter-gambit3630.6%56.9%
D19QGD Slav, Dutch variation186241.6%56.9%
C26Vienna, Falkbeer variation12335.8%56.9%
C67Ruy Lopez, Berlin defence, Rosenthal variation5841.4%56.9%
C16French, Winawer, advance variation120432.9%56.9%
A40Queen's pawn, Lundin (Kevitz-Mikenas) defence34126.4%56.9%
E29Nimzo-Indian, Saemisch, main line18936.5%56.9%
D41QGD, Semi-Tarrasch with e337846.6%56.9%
E83King's Indian, Saemisch, Panno formation47337.2%56.9%
D66QGD, Orthodox defence, Bd3 line35748.2%56.9%
A16English, Anglo-Gruenfeld, Smyslov defense19737.6%56.9%
D52QGD, Cambridge Springs defence, Yugoslav variation56240.0%56.9%
E10Blumenfeld counter-gambit, Dus-Chotimursky variation27836.0%56.8%
E63King's Indian, fianchetto, Panno variation255438.1%56.8%
C25Vienna, Paulsen variation22832.9%56.8%
B63Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7143238.4%56.8%
B20Sicilian, wing gambit, Marshall variation9628.1%56.8%
A51Budapest, Fajarowicz variation41440.1%56.8%
B45Sicilian, Taimanov variation247038.5%56.8%
B85Sicilian, Scheveningen, classical main line40746.2%56.8%
A28English, four knights, Stean variation11143.2%56.8%
C66Ruy Lopez, closed Berlin defence, Showalter variation7445.9%56.8%
B09Pirc, Austrian attack, 6.e514840.5%56.8%
A43Old Benoni defence266534.3%56.8%
C95Ruy Lopez, closed, Breyer, Borisenko variation81539.6%56.7%
D71Neo-Gruenfeld, 5.cd42345.9%56.7%
A71Benoni, classical, 8.Bg517135.1%56.7%
A84Dutch defence87836.9%56.7%
B77Sicilian, dragon, Yugoslav attack, 9...Bd726838.8%56.7%
A13English, Romanishin gambit43341.8%56.7%
D27QGA, classical, Rubinstein variation170548.7%56.7%
B78Sicilian, dragon, Yugoslav attack, 10.O-O-O51629.3%56.7%
D41QGD, Semi-Tarrasch, 5.cd88450.2%56.7%
C09French, Tarrasch, open variation, main line134251.9%56.7%
C41Philidor, Nimzovich, Klein variation1560.0%56.7%
A94Dutch, stonewall with Ba313543.7%56.7%
B82Sicilian, Scheveningen, 6.f463236.4%56.6%
C61Ruy Lopez, Bird's defence64037.7%56.6%
B15Caro-Kann, Forgacs variation30245.0%56.6%
D20QGA, 3.e4399541.0%56.6%
A03Bird's opening, Williams gambit5334.0%56.6%
D46QGD semi-Slav, Bogolyubov variation19745.2%56.6%
C44Scotch gambit14441.0%56.6%
C49Four knights, double Ruy Lopez26642.5%56.6%
C66Ruy Lopez, closed Berlin defence, Wolf variation6157.4%56.6%
D33QGD, Tarrasch, Schlechter-Rubinstein system6134.4%56.6%
D74Neo-Gruenfeld, 6.cd Nxd5, 7.O-O33648.2%56.5%
C02French, advance variation171932.1%56.5%
C49Four knights, symmetrical, Maroczy system9243.5%56.5%
C33KGA, bishop's gambit, Morphy variation6934.8%56.5%
E15Queen's Indian, Nimzovich variation (exaggerated fianchetto)1790842.0%56.5%
B30Sicilian, Nimzovich-Rossolimo attack (without ...d6)660738.5%56.5%
B12Caro-Kann, Edinburgh variation7742.9%56.5%
B19Caro-Kann, classical, Spassky variation291340.5%56.5%
D09QGD, Albin counter-gambit, 5.g347242.6%56.5%
B07Pirc defence266636.1%56.5%
E00Queen's pawn game65238.7%56.4%
B12Caro-Kann, advance variation1446538.3%56.4%
B48Sicilian, Taimanov variation415637.9%56.4%
D87Gruenfeld, exchange, Spassky variation69444.5%56.4%
D02Queen's pawn game, Chigorin variation77240.0%56.4%
D97Gruenfeld, Russian, Prins variation53946.0%56.4%
D34QGD, Tarrasch, Prague variation, Normal position83151.1%56.4%
C71Ruy Lopez, modern Steinitz defence, Duras (Keres) variation25139.4%56.4%
A57Benko gambit140535.2%56.4%
C15French, Winawer, Alekhine (Maroczy) gambit33040.6%56.4%
D86Gruenfeld, exchange, Simagin's improved variation22039.1%56.4%
C43Petrov, modern (Steinitz) attack6339.7%56.3%
B06Robatsch (modern) defence967235.6%56.3%
B15Caro-Kann, Tartakower (Nimzovich) variation58642.7%56.3%
B31Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)461041.6%56.3%
D63QGD, Orthodox defence, 7.Rc130944.0%56.3%
E72King's Indian with e4 & g315934.6%56.3%
C00French defence111430.3%56.3%
D48QGD semi-Slav, Meran, Reynolds' variation84439.3%56.3%
A40Queen's pawn, Franco-Indian (Keres) defence203137.0%56.3%
D15QGD Slav, 5.e3 (Alekhine variation)23133.8%56.3%
D85Gruenfeld, modern exchange variation419047.9%56.3%
D35QGD, exchange, positional line, 5...c6115044.5%56.3%
A40Queen's pawn, Keres defence340642.4%56.3%
E21Nimzo-Indian, three knights, Euwe variation862.5%56.3%
D51QGD, Alekhine variation812.5%56.3%
B03Alekhine's defence, exchange, Karpov variation1662.5%56.3%
C15French, Winawer, Alekhine gambit1637.5%56.3%
C22Centre game, Charousek variation862.5%56.3%
E73King's Indian, Averbakh system142234.7%56.2%
E11Bogo-Indian defence, Gruenfeld variation300940.8%56.2%
D33QGD, Tarrasch, Folkestone (Swedish) variation25048.4%56.2%
A50Kevitz-Trajkovich defence66233.2%56.2%
A39English, symmetrical, main line with d468842.0%56.2%
D94Gruenfeld, 5.e352744.4%56.2%
A50Queen's pawn game126537.5%56.2%
B43Sicilian, Kan, 5.Nc3420239.4%56.1%
B68Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be716435.4%56.1%
A30English, symmetrical, hedgehog system328147.2%56.1%
C79Ruy Lopez, Steinitz defence deferred, Rubinstein variation3351.5%56.1%
D92Gruenfeld, 5.Bf4100446.3%56.0%
C45Scotch, Romanishin variation8339.8%56.0%
E95King's Indian, orthodox, 7...Nbd7, 8.Re156539.1%56.0%
B12de Bruycker defence258.0%56.0%
A21English, Troeger defence17527.4%56.0%
C95Ruy Lopez, closed, Breyer, Simagin variation2540.0%56.0%
E97King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)492934.4%56.0%
E49Nimzo-Indian, 4.e3, Botvinnik system31745.1%56.0%
A41Queen's Pawn314635.6%56.0%
A87Dutch, Leningrad, main variation60339.0%56.0%
D35QGD, exchange variation47842.1%56.0%
D22QGA, Haberditz variation23555.7%56.0%
C45Scotch, Horwitz attack4235.7%56.0%
D33QGD, Tarrasch, Wagner variation5954.2%55.9%
C21Centre game36339.7%55.9%
D10QGD Slav, Winawer counter-gambit30434.2%55.9%
C64Ruy Lopez, classical defence, Benelux variation 49940.9%55.9%
D86Gruenfeld, exchange, classical variation145046.6%55.9%
B37Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg722943.7%55.9%
C74Ruy Lopez, Siesta, Kopayev variation20433.3%55.9%
D69QGD, Orthodox defence, classical, 13.de1752.9%55.9%
E10Blumenfeld counter-gambit accepted17040.0%55.9%
E26Nimzo-Indian, Saemisch variation28937.0%55.9%
C55Two knights defence (Modern bishop's opening)198239.5%55.8%
D85Gruenfeld, exchange variation439948.5%55.8%
C10French, Rubinstein variation318848.6%55.8%
E40Nimzo-Indian, 4.e331935.1%55.8%
D35QGD, Harrwitz attack28549.8%55.8%
A13English, Neo-Catalan accepted169447.9%55.8%
B46Sicilian, Taimanov variation397739.2%55.8%
A25English, closed, Hort variation5234.6%55.8%
D51QGD, Manhattan variation2650.0%55.8%
A41Modern defence15632.1%55.8%
B85Sicilian, Scheveningen, classical, Maroczy system2634.6%55.8%
A62Benoni, fianchetto variation158635.8%55.8%
E61King's Indian defence, 3.Nc3171736.2%55.8%
D73Neo-Gruenfeld, 5.Nf3112951.1%55.8%
A53Old Indian, Janowski variation22633.6%55.8%
B18Caro-Kann, classical, Flohr variation14852.0%55.7%
D08QGD, Albin counter-gambit, Alapin variation13148.9%55.7%
E33Nimzo-Indian, classical, 4...Nc629736.0%55.7%
C13French, classical, Tartakower variation3531.4%55.7%
A31English, symmetrical, Benoni formation153340.1%55.7%
C62Ruy Lopez, old Steinitz defence49136.9%55.7%
E89King's Indian, Saemisch, orthodox main line8831.8%55.7%
D17QGD Slav, Czech defence52949.0%55.7%
B12Caro-Kann, Tartakower (fantasy) variation105037.6%55.7%
C13French, Albin-Alekhine-Chatard attack38931.1%55.7%
C16French, Winawer, Petrosian variation29232.5%55.7%
D93Gruenfeld with Bf4 e341649.3%55.6%
E10Blumenfeld counter-gambit42542.1%55.6%
B67Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7329234.2%55.6%
E54Nimzo-Indian, 4.e3, Gligoric system with 7...dc142448.9%55.6%
D52QGD, Cambridge Springs defence, Bogoljubow variation55251.1%55.6%
A16English, Anglo-Gruenfeld defense, Korchnoi variation9837.8%55.6%
B57Sicilian, Sozin, not Scheveningen32141.4%55.6%
B83Sicilian, modern Scheveningen, main line with Nb310736.4%55.6%
B98Sicilian, Najdorf, 7...Be715234.9%55.6%
A49King's Indian, fianchetto without c4176941.3%55.6%
B02Alekhine's defence, Scandinavian variation53037.5%55.6%
D10QGD Slav defence, exchange variation231945.2%55.6%
E17Queen's Indian, Opovcensky variation95340.6%55.6%
B52Sicilian, Canal-Sokolsky attack, Sokolsky variation119645.1%55.6%
D54QGD, Anti-neo-orthodox variation15345.8%55.6%
C64Ruy Lopez, Cordel gambit9940.4%55.6%
C57Two knights defence, Fegatello attack, Leonhardt variation922.2%55.6%
C23Bishop's opening, Philidor variation944.4%55.6%
C43Petrov, modern attack, Bardeleben variation944.4%55.6%
C77Ruy Lopez, four knights (Tarrasch) variation26245.4%55.5%
D83Gruenfeld, Gruenfeld gambit11846.6%55.5%
E62King's Indian, fianchetto with ...Nc631833.6%55.5%
D11QGD Slav, 4.e3680143.9%55.5%
B14Caro-Kann, Panov-Botvinnik attack, 5...e6232147.7%55.5%
C02French, advance, Euwe variation184136.6%55.5%
E56Nimzo-Indian, 4.e3, main line with 7...Nc658451.7%55.5%
D36QGD, exchange, positional line, 6.Qc253943.4%55.5%
C48Four knights, Spanish variation35749.9%55.5%
A21English opening228832.4%55.4%
B32Sicilian defence125039.0%55.4%
D52QGD, Cambridge Springs defence, Rubinstein variation23940.6%55.4%
C88Ruy Lopez, closed, Balla variation4637.0%55.4%
B65Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd465441.7%55.4%
D06QGD, Marshall defence37842.1%55.4%
E53Nimzo-Indian, 4.e3, main line with ...c557344.9%55.4%
B13Caro-Kann, Panov-Botvinnik, normal variation14847.3%55.4%
D11QGD Slav, 3.Nf3433441.9%55.4%
E85King's Indian, Saemisch, orthodox variation21339.4%55.4%
B33Sicilian, Pelikan (Lasker/Sveshnikov) variation142835.4%55.4%
D15QGD Slav, 4.Nc3582241.1%55.4%
C67Ruy Lopez, Berlin defence, Zukertort variation2860.7%55.4%
B72Sicilian, dragon, classical attack16842.9%55.4%
E60King's Indian, 3.g3270742.5%55.4%
E94King's Indian, orthodox variation126239.7%55.3%
B15Caro-Kann defence37431.0%55.3%
E55Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation215049.0%55.3%
D57QGD, Lasker defence, main line16952.7%55.3%
D08QGD, Albin counter-gambit64838.1%55.3%
D30Queen's gambit declined813745.1%55.3%
E60King's Indian defence155433.8%55.3%
A97Dutch, Ilyin-Genevsky variation17936.9%55.3%
C71Ruy Lopez, modern Steinitz defence18941.8%55.3%
E44Nimzo-Indian, Fischer variation, 5.Ne276739.4%55.3%
B21Sicilian, Andreaschek gambit1947.4%55.3%
D52QGD, Cambridge Springs defence, 7.cd9530.5%55.3%
E67King's Indian, fianchetto, classical variation68442.1%55.3%
D57QGD, Lasker defence, Bernstein variation3857.9%55.3%
B33Sicilian defence64739.7%55.3%
E11Bogo-Indian defence234341.4%55.2%
C78Ruy Lopez, Archangelsk (counterthrust) variation205243.1%55.2%
E15Queen's Indian, 4.g3378148.4%55.2%
E10Queen's pawn game619745.1%55.2%
E90King's Indian, Zinnowitz variation7740.3%55.2%
D02Queen's pawn game, Krause variation74241.9%55.2%
D53QGD, 4.Bg5 Be7134346.0%55.2%
C42Petrov, Nimzovich attack190546.1%55.2%
B54Sicilian145637.9%55.2%
A25English, closed system (without ...d6)14630.8%55.1%
B11Caro-Kann, Two knights, 3...Bg4145140.1%55.1%
B77Sicilian, dragon, Yugoslav attack, 9.Bc415637.2%55.1%
B01Scandinavian gambit20542.9%55.1%
D47QGD semi-Slav, neo-Meran (Lundin variation)37150.9%55.1%
C89Ruy Lopez, Marshall counter-attack, 11...c625446.5%55.1%
E25Nimzo-Indian, Saemisch variation22541.8%55.1%
B88Sicilian, Sozin, Leonhardt variation72539.3%55.1%
D13QGD Slav, exchange variation110849.0%55.1%
C79Ruy Lopez, Steinitz defence deferred (Russian defence)50139.5%55.1%
D34QGD, Tarrasch, Prague variation, 7...Be722644.7%55.1%
E00Catalan opening491042.4%55.1%
E81King's Indian, Saemisch, 5...O-O306435.3%55.1%
D77Neo-Gruenfeld, 6.O-O97048.0%55.1%
B51Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack286539.9%55.0%
D64QGD, Orthodox defence, Rubinstein attack (with Rc1)13951.1%55.0%
A13English opening, Agincourt variation210540.1%55.0%
A69Benoni, four pawns attack, main line15939.6%55.0%
D31QGD, semi-Slav, Marshall gambit144443.0%55.0%
D27QGA, classical, 6...a6509253.0%55.0%
D28QGA, classical, 7...b533951.0%55.0%
A40Queen's pawn384834.8%55.0%
B74Sicilian, dragon, classical, Spielmann variation1030.0%55.0%
B05Alekhine's defence, modern, Vitolins attack4045.0%55.0%
C30KGD, classical counter-gambit1050.0%55.0%
A00Novosibirsk opening3036.7%55.0%
B80Sicilian, Scheveningen, English variation22034.5%55.0%
A15English, 1...Nf6 (Anglo-Indian defense)192338.8%55.0%
E39Nimzo-Indian, classical, Pirc variation122341.3%55.0%
D94Gruenfeld, Smyslov defence23148.5%55.0%
D30QGD Slav64346.2%55.0%
D70Neo-Gruenfeld defence39238.0%55.0%
D20Queen's gambit accepted133046.3%55.0%
D46QGD semi-Slav, Chigorin defence48445.9%55.0%
D37QGD, classical variation (5.Bf4)571746.7%55.0%
A85Dutch with c4 & Nc3100133.2%54.9%
C02French, advance, Paulsen attack224533.8%54.9%
B42Sicilian, Kan, Polugaievsky variation191338.2%54.9%
D52QGD25439.8%54.9%
C51Evans gambit, Stone-Ware variation28531.9%54.9%
D24QGA, Bogolyubov variation23547.7%54.9%
A38English, symmetrical variation69644.3%54.9%
B54Sicilian, Prins (Moscow) variation86038.8%54.9%
E20Nimzo-Indian, Romanishin-Kasparov (Steiner) system71945.5%54.9%
C49Four knights, symmetrical variation22741.9%54.8%
E41Nimzo-Indian, 4.e3 c5111544.6%54.8%
C77Ruy Lopez, Morphy defence32143.0%54.8%
A10English opening480637.3%54.8%
C70Ruy Lopez, Cozio defence deferred58442.5%54.8%
A16English, Anglo-Gruenfeld defense41043.2%54.8%
C15French, Winawer (Nimzovich) variation131541.2%54.8%
D12QGD Slav, 4.e3 Bf5451640.7%54.7%
E01Catalan, closed96248.5%54.7%
A12English, Caro-Kann defensive system, Bogolyubov variation17045.9%54.7%
C78Ruy Lopez, Moeller defence80842.8%54.7%
B13Caro-Kann, exchange, Rubinstein variation23439.3%54.7%
C11French, Steinitz variation135237.8%54.7%
B02Alekhine's defence81034.3%54.7%
C42Petrov, Damiano variation3246.9%54.7%
D42QGD, Semi-Tarrasch, 7.Bd344947.0%54.7%
B96Sicilian, Najdorf, Polugayevsky variation12939.5%54.7%
A14English, Neo-Catalan declined127245.3%54.6%
A04Reti opening1266338.7%54.6%
E42Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)95048.6%54.6%
B58Sicilian, Boleslavsky, Louma variation5435.2%54.6%
D31QGD, Janowski variation37842.6%54.6%
C08French, Tarrasch, open, 4.ed ed169751.6%54.6%
A80Dutch364734.9%54.6%
D63QGD, Orthodox defence, Swiss, Karlsbad variation37944.9%54.6%
C78Ruy Lopez, 5.O-O150946.8%54.6%
B41Sicilian, Kan variation27242.3%54.6%
B18Caro-Kann, classical variation217845.8%54.6%
B22Sicilian, Alapin's variation (2.c3)857043.6%54.6%
A17English, Queens Indian, Romanishin variation12035.8%54.6%
D60QGD, Orthodox defence, Rauzer variation12047.5%54.6%
D31QGD, 3.Nc3133239.8%54.6%
C69Ruy Lopez, exchange, Gligoric variation98444.7%54.6%
A54Old Indian, Ukrainian variation, 4.Nf348336.6%54.6%
D40QGD, Semi-Tarrasch defence48342.4%54.6%
B18Caro-Kann, classical, 6.h475842.6%54.6%
D86Gruenfeld, exchange, Larsen variation1136.4%54.5%
C12French, MacCutcheon, Grigoriev variation3360.6%54.5%
C62Ruy Lopez, old Steinitz defence, semi-Duras variation2245.5%54.5%
C80Ruy Lopez, open, Friess attack1118.2%54.5%
A34English, symmetrical, three knights system195246.0%54.5%
A20English, Nimzovich variation16631.9%54.5%
A19English, Mikenas-Carls, Sicilian variation73139.0%54.5%
E25Nimzo-Indian, Saemisch, Keres variation36648.4%54.5%
A46Queen's pawn game571639.7%54.5%
E21Nimzo-Indian, three knights variation380142.5%54.5%
D35QGD, exchange, positional line142041.8%54.5%
D62QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)26951.7%54.5%
C39KGA, Kieseritsky, long whip (Stockwhip, classical) defence3444.1%54.4%
B47Sicilian, Taimanov (Bastrikov) variation466642.2%54.4%
C11French defence27345.1%54.4%
B30Sicilian defence414540.7%54.4%
E84King's Indian, Saemisch, Panno main line74536.5%54.4%
E45Nimzo-Indian, 4.e3, Bronstein (Byrne) variation56241.5%54.4%
A47Queen's Indian, Marienbad system, Berg variation2347.8%54.3%
C46Three knights, Schlechter variation4639.1%54.3%
C30KGD, classical variation27628.3%54.3%
E12Queen's Indian, Petrosian system887143.8%54.3%
B76Sicilian, dragon, Yugoslav attack, 7...O-O42635.4%54.3%
D10QGD Slav defence555941.0%54.3%
D31QGD, Charousek (Petrosian) variation234246.5%54.3%
A54Old Indian, Ukrainian variation20938.8%54.3%
D45QGD semi-Slav, accelerated Meran (Alekhine variation)321843.8%54.3%
C89Ruy Lopez, Marshall counter-attack66552.9%54.3%
A66Benoni, Mikenas variation3517.1%54.3%
E17Queen's Indian, Euwe variation10553.3%54.3%
B80Sicilian, Scheveningen variation144732.1%54.3%
E92King's Indian, Petrosian system15227.0%54.3%
C07French, Tarrasch, open variation470947.8%54.3%
A07Reti, King's Indian attack, Keres variation107037.3%54.3%
A09Reti opening107239.5%54.2%
A80Dutch, 2.Bg5 variation188832.7%54.2%
A30English, symmetrical variation488640.2%54.2%
D05Queen's pawn game, Rubinstein (Colle-Zukertort) variation53239.7%54.2%
C25Vienna gambit17835.4%54.2%
A22English, Carls' Bremen system60737.6%54.2%
D26QGA, 4...e638144.9%54.2%
A16English opening196235.5%54.2%
C11French, Swiss variation6045.0%54.2%
C50Giuoco Piano, four knights variation7238.9%54.2%
A86Dutch, Hort-Antoshin system1241.7%54.2%
E60King's Indian, Danube gambit1241.7%54.2%
A32English, symmetrical variation86645.0%54.2%
C45Scotch game326143.3%54.2%
A52Budapest defence7331.5%54.1%
C64Ruy Lopez, classical (Cordel) defence39242.3%54.1%
B32Sicilian, Nimzovich variation3743.2%54.1%
C26Vienna game51941.4%54.0%
A38English, symmetrical, main line with d321144.5%54.0%
C07French, Tarrasch, Eliskases variation17448.3%54.0%
D32QGD, Tarrasch defence63545.7%54.0%
B40Sicilian defence817539.1%54.0%
E62King's Indian, fianchetto variation10040.0%54.0%
E17Queen's Indian, anti-Queen's Indian system55142.6%54.0%
C44Scotch, Goering gambit26442.0%54.0%
E92King's Indian, Petrosian system, Stein variation76734.2%54.0%
A30English, symmetrical, hedgehog, flexible formation21445.3%54.0%
A33English, symmetrical, Geller variation85640.4%54.0%
D33QGD, Tarrasch, Prague variation22742.7%54.0%
B90Sicilian, Najdorf418237.4%53.9%
B74Sicilian, dragon, classical, Reti-Tartakower variation10245.1%53.9%
A28English, four knights, Nimzovich variation102137.3%53.9%
B91Sicilian, Najdorf, Zagreb (fianchetto) variation131541.5%53.9%
E32Nimzo-Indian, classical variation835543.7%53.9%
C44Scotch gambit, Dubois-Reti defence41242.7%53.9%
D82Gruenfeld, 4.Bf480143.8%53.9%
D23QGA, Mannheim variation53042.5%53.9%
A34English, symmetrical variation163039.9%53.9%
C76Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation60937.8%53.9%
E15Queen's Indian, 4.g3 Bb741542.2%53.9%
E59Nimzo-Indian, 4.e3, main line80543.6%53.9%
A17English, Nimzo-English opening271439.9%53.9%
A15English opening1654944.1%53.8%
C33KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit1315.4%53.8%
C30KGD, classical, Heath variation1346.2%53.8%
C32KGD, Falkbeer, Charousek gambit1361.5%53.8%
A41Old Indian defence174932.5%53.8%
D26QGA, classical variation95451.7%53.8%
D31QGD, semi-Slav158240.1%53.8%
C34KGA, Schallop defence23630.5%53.8%
D80Gruenfeld defence164046.4%53.8%
B35Sicilian, accelerated fianchetto, modern variation with Bc4256143.7%53.8%
C81Ruy Lopez, open, Howell attack28949.5%53.8%
A28English, four knights, Capablanca variation71538.5%53.8%
D35QGD, exchange, Saemisch variation42448.6%53.8%
A33English, symmetrical variation220148.0%53.8%
A45Queen's pawn game432737.7%53.8%
B90Sicilian, Najdorf, Adams attack218640.5%53.8%
C34KGA, Bonsch-Osmolovsky variation21430.8%53.7%
D49QGD semi-Slav, Meran, Blumenfeld variation21444.9%53.7%
E04Catalan, open, 5.Nf3615945.2%53.7%
D60QGD, Orthodox defence13435.8%53.7%
D80Gruenfeld, Stockholm variation111445.0%53.7%
C22Centre game, Paulsen attack44337.9%53.7%
B06Robatsch defence, Pseudo-Austrian attack67236.6%53.7%
D90Gruenfeld, Three knights variation103549.5%53.7%
E06Catalan, closed, 5.Nf3432950.9%53.7%
D51QGD, 4.Bg5 Nbd712143.0%53.7%
C91Ruy Lopez, closed, Bogolyubov variation415644.0%53.7%
A25English, closed system95635.9%53.7%
C25Vienna, Pierce gambit2725.9%53.7%
D40QGD, Semi-Tarrasch, symmetrical variation2748.1%53.7%
B99Sicilian, Najdorf, 7...Be7 main line68230.2%53.7%
E34Nimzo-Indian, classical, Noa variation113552.7%53.7%
C67Ruy Lopez, Berlin defence, open variation546248.6%53.7%
D79Neo-Gruenfeld, 6.O-O, main line74050.8%53.6%
D90Gruenfeld, Schlechter variation9636.5%53.6%
C60Ruy Lopez, Cozio defence59140.3%53.6%
B07Pirc, bayonet (Mariotti) attack5541.8%53.6%
B73Sicilian, dragon, classical, 8.O-O46947.5%53.6%
E36Nimzo-Indian, classical, Noa variation, 5.a351145.4%53.6%
E20Nimzo-Indian, Kmoch variation138638.4%53.6%
C92Ruy Lopez, closed, 9.h345943.1%53.6%
A80Dutch, Krejcik gambit32132.4%53.6%
C32KGD, Falkbeer, Reti variation2835.7%53.6%
C65Ruy Lopez, Berlin defence, Kaufmann variation4250.0%53.6%
C45Scotch, Mieses variation191743.3%53.5%
D60QGD, Orthodox defence, Botvinnik variation12740.9%53.5%
D37QGD, 4.Nf3790147.2%53.5%
A25English, Sicilian reversed121633.6%53.5%
E83King's Indian, Saemisch, 6...Nc619832.3%53.5%
B17Caro-Kann, Steinitz variation467143.7%53.5%
E65King's Indian, fianchetto, Yugoslav, 7.O-O32646.3%53.5%
A35English, symmetrical, four knights system292544.5%53.5%
E93King's Indian, Petrosian system, main line14233.8%53.5%
C23Bishop's opening35632.9%53.5%
B72Sicilian, dragon, classical, Nottingham variation5743.9%53.5%
E32Nimzo-Indian, classical, Adorjan gambit14346.9%53.5%
C88Ruy Lopez, closed, anti-Marshall 8.a4220641.2%53.5%
D47QGD semi-Slav, Meran variation166449.9%53.5%
C70Ruy Lopez20137.3%53.5%
B29Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit7259.7%53.5%
C31KGD, Falkbeer, Nimzovich variation2937.9%53.4%
C60Ruy Lopez, fianchetto (Smyslov/Barnes) defence63842.3%53.4%
A07Reti, King's Indian attack (Barcza system)819041.2%53.4%
C01French, exchange variation214544.3%53.4%
A20English opening1025839.0%53.4%
C65Ruy Lopez, Berlin defence, Nyholm attack11753.8%53.4%
E12Queen's Indian defence83541.4%53.4%
D47QGD semi-Slav, Meran, Wade variation737940.0%53.4%
E86King's Indian, Saemisch, orthodox, 7.Nge2 c665032.9%53.4%
A11English, Caro-Kann defensive system220140.2%53.4%
D56QGD, Lasker defence61050.3%53.4%
B92Sicilian, Najdorf, Opovcensky variation648741.8%53.4%
A05Reti, King's Indian attack206541.2%53.3%
B90Sicilian, Najdorf, Byrne (English) attack2340036.2%53.3%
D50QGD, Semi-Tarrasch, Primitive Pillsbury variation1540.0%53.3%
C80Ruy Lopez, open, 7.Bb351241.4%53.3%
A02Bird, From gambit28732.8%53.3%
C88Ruy Lopez, closed140942.2%53.3%
E12Queen's Indian, Miles variation192743.5%53.3%
D02Queen's bishop game244941.6%53.3%
D61QGD, Orthodox defence, Rubinstein variation45746.6%53.3%
E43Nimzo-Indian, Fischer variation82336.6%53.3%
E22Nimzo-Indian, Spielmann variation71739.1%53.3%
B07Pirc, Holmov system7739.0%53.2%
D45QGD semi-Slav, Stoltz variation1390044.1%53.2%
A26English, Botvinnik system40236.8%53.2%
C51Evans gambit declined6238.7%53.2%
A07Reti, King's Indian attack, Yugoslav variation220640.7%53.2%
B94Sicilian, Najdorf, 6.Bg5136938.6%53.2%
B56Sicilian230339.3%53.2%
E20Nimzo-Indian defence29647.0%53.2%
D38QGD, Ragozin variation646946.9%53.2%
B34Sicilian, accelerated fianchetto, modern variation62439.1%53.2%
C68Ruy Lopez, exchange variation12539.2%53.2%
C90Ruy Lopez, closed, Lutikov variation4751.1%53.2%
B10Caro-Kann, closed (Breyer) variation147438.1%53.2%
D02Queen's pawn game754441.5%53.2%
E12Queen's Indian, 4.Nc3606441.0%53.2%
A45Trompovsky attack (Ruth, Opovcensky opening)763035.3%53.2%
C00French, Two knights variation36535.6%53.2%
D70Neo-Gruenfeld (Kemeri) defence28639.2%53.1%
B86Sicilian, Sozin attack30244.7%53.1%
D55QGD, Petrosian variation41454.1%53.1%
A81Dutch defence, Blackburne variation8031.3%53.1%
D48QGD semi-Slav, Meran, old main line12835.9%53.1%
B10Caro-Kann, anti-anti-Caro-Kann defence176049.0%53.1%
D00Queen's pawn, Mason variation176538.9%53.1%
C14French, classical, Alapin variation13046.2%53.1%
C42Petrov's defence45541.5%53.1%
E53Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd711446.5%53.1%
D43QGD semi-Slav1041242.7%53.1%
E13Queen's Indian, 4.Nc3, main line32636.2%53.1%
C11French, Burn variation619545.6%53.1%
D30QGD, Capablanca-Duras variation50644.5%53.1%
C83Ruy Lopez, open, 9...Be7, 10.Re14940.8%53.1%
C31KGD, Falkbeer counter-gambit31135.4%53.1%
A48King's Indian, London system188440.0%53.1%
C67Ruy Lopez, open Berlin defence, 5...Be711540.0%53.0%
B44Sicilian defence41243.0%53.0%
C69Ruy Lopez, exchange variation, 5.O-O125342.7%53.0%
A07Reti, King's Indian attack305941.7%53.0%
C50Giuoco Pianissimo379140.9%53.0%
A05Reti opening598437.3%53.0%
E24Nimzo-Indian, Saemisch variation49938.7%53.0%
A17English opening33338.7%53.0%
B83Sicilian, modern Scheveningen, main line60244.9%53.0%
A12English, London defensive system16842.9%53.0%
B83Sicilian, Scheveningen, 6.Be262341.1%53.0%
C77Ruy Lopez, Wormald (Alapin) attack60842.8%53.0%
B44Sicilian, Szen (`anti-Taimanov') variation104842.9%53.0%
C47Four knights, Scotch variation3435.3%52.9%
D50QGD, Canal (Venice) variation1747.1%52.9%
C29Vienna gambit, Paulsen attack5143.1%52.9%
C86Ruy Lopez, Worrall attack, sharp line34141.3%52.9%
E70King's Indian, accelerated Averbakh system20535.6%52.9%
C88Ruy Lopez, closed, 7...O-O402642.1%52.9%
A28English, four knights system48641.6%52.9%
C43Petrov, modern attack, Symmetrical variation343845.3%52.9%
C75Ruy Lopez, modern Steinitz defence26243.1%52.9%
A13English opening324937.6%52.9%
B59Sicilian, Boleslavsky variation, 7.Nb321048.6%52.9%
C15French, Winawer, Alekhine gambit, Kan variation7042.9%52.9%
A36English, symmetrical, Botvinnik system reversed12444.4%52.8%
D90Gruenfeld, Flohr variation49841.0%52.8%
D30QGD, Hastings variation90348.0%52.8%
C24Bishop's opening, Berlin defence199541.9%52.8%
E58Nimzo-Indian, 4.e3, main line with 8...Bxc3165445.0%52.8%
C11French, Steinitz, Gledhill attack14634.2%52.7%
A08Reti, King's Indian attack82241.7%52.7%
A48King's Indian, East Indian defence148739.4%52.7%
A06Reti opening110338.2%52.7%
C42Petrov, Kaufmann attack33148.6%52.7%
C57Two knights defence, Fegatello attack9222.8%52.7%
A91Dutch defence24133.2%52.7%
C47Four knights, Scotch, 4...exd463253.8%52.7%
E07Catalan, closed, 6...Nbd714943.6%52.7%
B71Sicilian, dragon, Levenfish variation44736.5%52.7%
D78Neo-Gruenfeld, 6.O-O c6114745.2%52.7%
C26Vienna, Paulsen-Mieses variation92339.9%52.7%
B23Sicilian, closed, 2...Nc6278039.9%52.6%
C29Vienna gambit, Bardeleben variation1931.6%52.6%
C78Ruy Lopez, Wing attack1942.1%52.6%
B13Caro-Kann, Panov-Botvinnik attack142948.1%52.6%
E14Queen's Indian, 4.e3227340.5%52.6%
B10Caro-Kann defence328935.7%52.6%
A07Reti, King's Indian attack, Pachman system21141.7%52.6%
C53Giuoco Piano378240.2%52.6%
B50Sicilian694340.1%52.6%
E28Nimzo-Indian, Saemisch variation36831.8%52.6%
A09Reti accepted52738.7%52.6%
B19Caro-Kann, classical, 7...Nd743149.4%52.6%
B02Alekhine's defence, Two pawns' (Lasker's) attack41240.5%52.5%
C27Vienna game25842.2%52.5%
A41Robatsch defence, Rossolimo variation21934.7%52.5%
B14Caro-Kann, Panov-Botvinnik attack, 5...g643952.2%52.5%
C45Scotch, Paulsen attack2045.0%52.5%
E10Dzindzikhashvili defence24243.0%52.5%
C47Four knights, Belgrade gambit18342.6%52.5%
D24QGA, 4.Nc336738.4%52.5%
A25English, closed, 5.Rb161338.7%52.4%
A47Queen's Indian, Marienbad system12341.5%52.4%
D55QGD, Neo-orthodox variation, 7.Bxf645248.2%52.4%
E25Nimzo-Indian, Saemisch, Romanovsky variation16558.8%52.4%
D14QGD Slav, exchange variation, 6.Bf4 Bf586852.8%52.4%
B13Caro-Kann, exchange variation138640.6%52.4%
B21Sicilian, Grand Prix attack202934.6%52.4%
A46Queen's pawn, Torre attack226236.9%52.4%
B84Sicilian, Scheveningen (Paulsen), classical variation437940.0%52.4%
A36English, ultra-symmetrical variation207338.6%52.4%
B96Sicilian, Najdorf, Polugayevsky, Simagin variation4219.0%52.4%
E61King's Indian, Smyslov system12636.5%52.4%
A46Queen's pawn, Yusupov-Rubinstein system124741.4%52.4%
D53QGD, 4.Bg5 Be7, 5.e3 O-O10644.3%52.4%
C48Four knights, Rubinstein counter-gambit, exchange variation23567.2%52.3%
A83Dutch, Staunton gambit, Chigorin variation10731.8%52.3%
A45Blackmar-Diemer gambit25727.6%52.3%
A13English, Neo-Catalan120342.8%52.3%
E48Nimzo-Indian, 4.e3 O-O, 5.Bd3 d583844.3%52.3%
C00French, Schlechter variation25842.6%52.3%
A29English, four knights, kingside fianchetto804041.9%52.3%
D05Colle system37149.1%52.3%
A70Benoni, classical without 9.O-O2213.6%52.3%
B07Pirc, Sveshnikov system41837.6%52.3%
E51Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d539650.0%52.3%
C50Giuoco Piano249142.2%52.3%
C50Giuoco Pianissimo, Canal variation22143.0%52.3%
D30QGD, Vienna variation128653.2%52.3%
C84Ruy Lopez, closed defence222342.5%52.2%
A28English, four knights, Romanishin variation64650.6%52.2%
A28English, four knights, 4.e3148239.3%52.2%
C44Ponziani, Jaenisch counter-attack251544.7%52.2%
C90Ruy Lopez, closed, Pilnik variation92136.0%52.2%
C23Bishop's opening, Classical variation11340.7%52.2%
C17French, Winawer, advance, Bogolyubov variation43238.7%52.2%
B23Sicilian, Grand Prix attack, Schofman variation16041.9%52.2%
E76King's Indian, Four pawns attack, dynamic line34336.2%52.2%
C45Scotch, Potter variation77940.4%52.2%
D14QGD Slav, exchange, Trifunovic variation27552.0%52.2%
C27Boden-Kieseritsky gambit, Lichtenhein defence2334.8%52.2%
B13Caro-Kann, Panov-Botvinnik, Herzog defence2334.8%52.2%
C88Ruy Lopez, Trajkovic counter-attack67242.1%52.2%
C25Vienna game, Max Lange defence4744.7%52.1%
B70Sicilian, dragon variation108443.7%52.1%
D16QGD Slav, Soultanbeieff variation59051.4%52.1%
E08Catalan, closed, Qc2 & b337841.3%52.1%
A27English, three knights system140631.5%52.1%
D58QGD, Tartakower (Makagonov-Bondarevsky) system549447.2%52.1%
B03Alekhine's defence, four pawns attack, 6...Nc62429.2%52.1%
D94Gruenfeld, Opovcensky variation24144.4%52.1%
C65Ruy Lopez, Berlin defence638341.2%52.1%
E60King's Indian, Anti-Gruenfeld17038.2%52.1%
E47Nimzo-Indian, 4.e3 O-O, 5.Bd392946.4%52.0%
C77Ruy Lopez, Anderssen variation221643.6%52.0%
A00Benko's opening1015740.4%52.0%
B20Sicilian, Keres variation (2.Ne2)133438.7%52.0%
C29Vienna gambit, Breyer variation22335.0%52.0%
C22Centre game, Berger variation44838.8%52.0%
C68Ruy Lopez, exchange, Romanovsky variation5032.0%52.0%
C48Four knights, Rubinstein counter-gambit143742.4%52.0%
B53Sicilian, Chekhover variation229242.2%52.0%
C42Petrov, Cozio (Lasker) attack61650.0%51.9%
D23Queen's gambit accepted7749.4%51.9%
B96Sicilian, Najdorf, 7.f4182536.9%51.9%
D00Queen's pawn, Chigorin variation103534.7%51.9%
D05Queen's pawn game113939.9%51.9%
A37English, symmetrical, Botvinnik system reversed104039.8%51.9%
D50QGD, Semi-Tarrasch7852.6%51.9%
A10English, Adorjan defence97039.1%51.9%
C28Vienna game68540.1%51.9%
C33KGA, bishop's gambit, Ruy Lopez defence5343.4%51.9%
B66Sicilian, Richter-Rauzer, Rauzer attack, 7...a6614134.0%51.9%
D96Gruenfeld, Russian variation53341.8%51.9%
A21English, Kramnik-Shirov counterattack320138.2%51.9%
C90Ruy Lopez, closed (with ...d6)128338.3%51.9%
B89Sicilian, Velimirovic attack85834.3%51.9%
D99Gruenfeld defence, Smyslov, Yugoslav variation2722.2%51.9%
E83King's Indian, Saemisch, Ruban variation2729.6%51.9%
E46Nimzo-Indian, 4.e3 O-O13640.4%51.8%
A12English, Caro-Kann defensive system30535.4%51.8%
A34English, symmetrical, Rubinstein system52840.3%51.8%
C50Giuoco Pianissimo, Italian four knights variation64641.3%51.8%
B80Sicilian, Scheveningen, fianchetto variation25730.4%51.8%
B57Sicilian, Sozin, Benko variation147039.4%51.7%
C01French, exchange, Svenonius variation8736.8%51.7%
E23Nimzo-Indian, Spielmann, San Remo variation2941.4%51.7%
C31KGD, Nimzovich counter-gambit32036.6%51.7%
C45Scotch, Blackburne attack3043.3%51.7%
A01Nimzovich-Larsen attack102236.8%51.7%
C00French, King's Indian attack300236.1%51.6%
D97Gruenfeld, Russian, Alekhine (Hungarian) variation216946.4%51.6%
B23Sicilian, closed521237.3%51.6%
C00French defence, Steiner variation100242.7%51.6%
D45QGD semi-Slav, 5...Nd785340.6%51.6%
D04Queen's pawn game141939.3%51.6%
B72Sicilian, dragon, 6.Be322733.5%51.5%
A26English, closed system45638.2%51.5%
C49Four knights, symmetrical, Metger unpin39137.6%51.5%
D00Queen's pawn, Mason variation, Steinitz counter-gambit88340.8%51.5%
C55Two knights defence13437.3%51.5%
A10English, Anglo-Dutch defense122732.5%51.5%
B89Sicilian, Sozin, 7.Be3116237.7%51.5%
C35KGA, Cunningham defence27428.5%51.5%
C55Two knights, Max Lange attack, Schlechter variation3562.9%51.4%
D30QGD121547.5%51.4%
D44QGD semi-Slav, Botvinnik system (anti-Meran)10934.9%51.4%
C89Ruy Lopez, Marshall, main line, 14...Qh354852.0%51.4%
C00French, Reti (Spielmann) variation25635.5%51.4%
C37KGA, King's knight's gambit3759.5%51.4%
C17French, Winawer, advance, Russian variation7544.0%51.3%
B10Caro-Kann, Goldman (Spielmann) variation15036.0%51.3%
C00French, Pelikan variation7639.5%51.3%
C43Petrov, modern attack, Trifunovic variation7650.0%51.3%
C67Ruy Lopez, open Berlin defence, l'Hermet variation15261.8%51.3%
A36English, symmetrical variation15433.8%51.3%
A05Reti, King's Indian attack, Spassky's variation72043.3%51.3%
C32KGD, Falkbeer, Keres variation4139.0%51.2%
A06Tennison (Lemberg, Zukertort) gambit4240.5%51.2%
A22English, Bremen, reverse dragon86140.5%51.2%
C86Ruy Lopez, Worrall attack, solid line17339.9%51.2%
C21Danish gambit, Soerensen defence21741.5%51.2%
B93Sicilian, Najdorf, 6.f4205540.3%51.1%
E46Nimzo-Indian, Reshevsky variation130045.0%51.1%
A37English, symmetrical variation139641.6%51.1%
E35Nimzo-Indian, classical, Noa variation, 5.cd ed91449.2%51.1%
C44Inverted Hungarian4645.7%51.1%
A45Paleface attack4632.6%51.1%
B24Sicilian, closed69037.0%51.1%
C46Four knights game102442.0%51.1%
D39QGD, Ragozin, Vienna variation192449.6%51.1%
D94Gruenfeld, Makogonov variation14340.6%51.0%
D51QGD, 5...c624449.6%51.0%
A80Dutch, Manhattan (Alapin, Ulvestad) variation5123.5%51.0%
C45Scotch, Meitner variation5151.0%51.0%
C42Petrov, Paulsen attack25742.8%51.0%
B55Sicilian, Prins variation, Venice attack10339.8%51.0%
A00Saragossa opening46729.6%51.0%
D15QGD Slav accepted15740.8%51.0%
B20Sicilian, Steinitz variation64438.5%50.9%
E41Nimzo-Indian, e3, Huebner variation55534.4%50.9%
A12English, Torre defensive system11239.3%50.9%
B80Sicilian, Scheveningen, Vitolins variation5644.6%50.9%
A00Van't Kruijs opening62040.2%50.9%
C69Ruy Lopez, exchange variation, Alapin gambit40044.3%50.9%
A23English, Bremen system, Keres variation97440.6%50.9%
E26Nimzo-Indian, Saemisch, O'Kelly variation5839.7%50.9%
C20King's pawn game11636.2%50.9%
E52Nimzo-Indian, 4.e3, main line with ...b673941.5%50.8%
B33Sicilian, Sveshnikov variation167040.4%50.8%
C32KGD, Falkbeer, 5.de6237.1%50.8%
D03Torre attack (Tartakower variation)94138.9%50.8%
B44Sicilian, Szen, hedgehog variation25241.3%50.8%
A28English, Nenarokov variation12639.7%50.8%
B84Sicilian, Scheveningen, classical, Nd7 system12933.3%50.8%
A22English opening109936.8%50.8%
A47Queen's Indian defence84137.6%50.8%
D00Queen's pawn game138138.4%50.8%
B97Sicilian, Najdorf, Poisoned pawn variation131546.2%50.7%
D00Levitsky attack (Queen's bishop attack)299136.1%50.7%
A57Benko gambit, Zaitsev system14437.5%50.7%
C69Ruy Lopez, exchange, Bronstein variation86738.2%50.7%
B52Sicilian, Canal-Sokolsky attack, 3...Bd7262042.4%50.7%
C02French, advance, Nimzovich system15128.5%50.7%
D31QGD, semi-Slav, Noteboom variation39538.5%50.6%
E53Nimzo-Indian, 4.e3, Keres variation16445.1%50.6%
C73Ruy Lopez, modern Steinitz defence, Richter variation27346.9%50.5%
C33KGA, bishop's gambit, Bogolyubov variation9343.0%50.5%
C34KGA, Becker defence10031.0%50.5%
A00Clemenz (Mead's, Basman's or de Klerk's) opening10037.0%50.5%
C48Four knights, Rubinstein counter-gambit, Henneberger variation10551.4%50.5%
C33KGA, bishop's gambit, Steinitz defence10528.6%50.5%
A01Nimzovich-Larsen attack, modern variation442838.7%50.5%
C73Ruy Lopez, modern Steinitz defence, Alapin variation32834.5%50.5%
B83Sicilian, modern Scheveningen57443.7%50.4%
C00French, Chigorin variation134731.8%50.4%
C44Ponziani, Leonhardt variation14636.3%50.3%
D95Gruenfeld, Botvinnik variation14644.5%50.3%
E07Catalan, closed, Botvinnik variation15241.4%50.3%
B85Sicilian, Scheveningen, classical15340.5%50.3%
A48King's Indian, Torre attack243540.3%50.3%
A00Anderssen's opening51741.0%50.3%
B90Sicilian, Najdorf, Lipnitzky attack146737.7%50.3%
B25Sicilian, closed38635.2%50.3%
C33KGA, bishop's gambit39235.7%50.3%
A35English, symmetrical variation42035.7%50.2%
C53Giuoco Piano, Bird's attack21333.8%50.2%
B20Sicilian defence370834.1%50.2%
B95Sicilian, Najdorf, 6...e6159038.7%50.2%
C54Giuoco Piano25153.4%50.2%
B23Sicilian, closed, Korchnoi variation25847.7%50.2%
A83Dutch, Staunton gambit, Staunton's line29239.4%50.2%
A28English, four knights, Marini variation120839.2%50.2%
A01Nimzovich-Larsen attack, symmetrical variation91240.8%50.1%
B26Sicilian, closed, 6.Be384233.8%50.1%
C39KGA, Kieseritsky, Brentano defence, Caro variation3100.0%50.0%
C64Ruy Lopez, classical defence, Zaitsev variation4100.0%50.0%
C41Philidor, Nimzovich (Jaenisch) variation2733.3%50.0%
C44King's pawn game13830.4%50.0%
C40King's knight opening20.0%50.0%
C12French, MacCutcheon, Bogolyubov variation1100.0%50.0%
B62Sicilian, Richter-Rauzer, Richter attack714.3%50.0%
C30KGD, classical, Marshall attack1080.0%50.0%
C55Giuoco piano20.0%50.0%
C11French, Henneberger variation1533.3%50.0%
D50QGD, Semi-Tarrasch, Krause variation2100.0%50.0%
B85Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6450.0%50.0%
C11French, Steinitz, Bradford attack333.3%50.0%
C80Ruy Lopez, open, Zukertort variation333.3%50.0%
B00Carr's defence450.0%50.0%
B72Sicilian, dragon, classical, Grigoriev variation5747.4%50.0%
C44Scotch, Relfsson gambit ('MacLopez')1040.0%50.0%
A45Queen's pawn, Bronstein gambit1233.3%50.0%
A80Dutch, Spielmann gambit450.0%50.0%
C23Bishop's opening, Philidor counter-attack23149.8%50.0%
B98Sicilian, Najdorf, Goteborg (Argentine) variation2347.8%50.0%
C30KGD, classical, Reti variation955.6%50.0%
C52Evans gambit, Leonhardt variation633.3%50.0%
E09Catalan, closed, Sokolsky variation520.0%50.0%
A59Benko gambit, Ne2 variation2339.1%50.0%
A81Dutch, Leningrad, Karlsbad variation1250.0%50.0%
B10Caro-Kann, Hillbilly attack20.0%50.0%
C71Ruy Lopez, modern Steinitz defence, Three knights variation1741.2%50.0%
D45QGD semi-Slav, stonewall defence1442.9%50.0%
C44Ponziani, Romanishin variation2433.3%50.0%
D30QGD Slav, Semmering variation5036.0%50.0%
B02Alekhine's defence, Steiner variation2339.1%50.0%
D44QGD semi-Slav, anti-Meran, Alatortsev system1100.0%50.0%
C48Four knights, Bardeleben variation850.0%50.0%
B06Norwegian defence666.7%50.0%
C33KGA, bishop's gambit, Gifford variation333.3%50.0%
C33KGA, Villemson (Steinitz) gambit2030.0%50.0%
C55Two knights defence, Keidanz variation2100.0%50.0%
C34KGA, Gianutio counter-gambit2100.0%50.0%
B88Sicilian, Sozin, Fischer variation1650.0%50.0%
A00Battambang opening2236.4%50.0%
C45Scotch, Ghulam Kassim variation875.0%50.0%
C40Latvian, Behting variation3100.0%50.0%
C66Ruy Lopez, closed Berlin defence, Chigorin variation40.0%50.0%
C57Two knights defence, Fritz variation10339.8%50.0%
C60Ruy Lopez, Nuernberg variation40.0%50.0%
C55Two knights, Max Lange attack, Rubinstein variation1100.0%50.0%
C24Bishop's opening, Urusov gambit, Panov variation450.0%50.0%
E08Catalan, closed, Zagoryansky variation1060.0%50.0%
B02Alekhine's defence, Welling variation1020.0%50.0%
C40Latvian, Nimzovich variation20.0%50.0%
C39King's knight's gambit1428.6%50.0%
E00Neo-Indian (Seirawan) attack29432.0%50.0%
C92Ruy Lopez, closed, Keres (9...a5) variation2152.4%50.0%
E27Nimzo-Indian, Saemisch variation12344.7%50.0%
C31KGD, Falkbeer, Morphy gambit2123.8%50.0%
C89Ruy Lopez, Marshall, Kevitz variation3100.0%50.0%
C33KGA, Breyer gambit742.9%50.0%
B01Scandinavian, Mieses-Kotrvc gambit1353.8%50.0%
C33KGA, bishop's gambit, Boden defence955.6%50.0%
C49Four knights, Gunsberg counter-attack560.0%50.0%
C36KGA, Abbazia defence, Botvinnik variation450.0%50.0%
C13French, classical, Anderssen-Richter variation1625.0%50.0%
C37KGA, Muzio gambit, From defence1100.0%50.0%
A00Lasker simul special333.3%50.0%
C48Four knights, Marshall variation1020.0%50.0%
C31KGD, Falkbeer, Milner-Barry variation20.0%50.0%
C55Two knights defence, Perreux variation4656.5%50.0%
C40Latvian gambit, 3.Bc42152.4%50.0%
C33KGA, bishop's gambit, Anderssen variation633.3%50.0%
B37Sicilian, accelerated fianchetto, Simagin variation2100.0%50.0%
C39KGA, Kieseritsky, Brentano (Campbell) defence333.3%50.0%
C41Philidor, Nimzovich, Locock variation450.0%50.0%
C21Danish gambit, Collijn defence560.0%50.0%
C10French, Rubinstein, Capablanca line1060.0%50.0%
C81Ruy Lopez, open, Howell attack, Ekstroem variation1233.3%50.0%
A95Dutch, stonewall: Chekhover variation1100.0%50.0%
A52Budapest, Alekhine variation, Balogh gambit1100.0%50.0%
C50Rousseau gambit333.3%50.0%
C41Philidor, Nimzovich, Sozin variation742.9%50.0%
C49Four knights, Svenonius variation560.0%50.0%
A00Mieses opening35032.0%50.0%
C44Scotch opening2050.0%50.0%
B12Caro-Masi defence1100.0%50.0%
A04Reti, Wade defence20.0%50.0%
C52Evans gambit, Sanders-Alapin variation633.3%50.0%
A07Reti, King's Indian attack (with ...c5)27835.3%50.0%
C33KGA, Carrera (Basman) gambit825.0%50.0%
C49Four knights, symmetrical, Tarrasch variation1650.0%50.0%
C39KGA, Kieseritsky, Brentano defence333.3%50.0%
C39KGA, Kieseritsky, Paulsen defence1020.0%50.0%
C50Hungarian defence24441.0%50.0%
E08Catalan, closed, Spassky gambit1323.1%50.0%
D19QGD Slav, Dutch, Saemisch variation333.3%50.0%
C33KGA, bishop's gambit, Lopez-Gianutio counter-gambit1020.0%50.0%
C62Ruy Lopez, old Steinitz defence, Nimzovich attack520.0%50.0%
E30Nimzo-Indian, Leningrad variation102934.2%50.0%
A01Nimzovich-Larsen attack, Indian variation68937.3%49.9%
E50Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d532544.3%49.8%
A00Dunst (Sleipner, Heinrichsen) opening257236.3%49.8%
A64Benoni, fianchetto, 11...Re826139.8%49.8%
B02Alekhine's defence, Saemisch attack48635.0%49.8%
C68Ruy Lopez, exchange, Keres variation20948.8%49.8%
C85Ruy Lopez, Exchange variation doubly deferred (DERLD)169439.8%49.7%
A08Reti, King's Indian attack, French variation35338.8%49.7%
C29Vienna gambit66937.2%49.7%
B87Sicilian, Sozin with ...a6 and ...b593037.2%49.7%
D35QGD, 3...Nf615038.0%49.7%
D56QGD, Lasker defence, Teichmann variation13553.3%49.6%
A06Reti, Nimzovich-Larsen attack450439.3%49.6%
C48Four knights, Spanish, classical defence26045.4%49.6%
C74Ruy Lopez, modern Steinitz defence, siesta variation13036.2%49.6%
B62Sicilian, Richter-Rauzer, Margate (Alekhine) variation11638.8%49.6%
A36English, symmetrical, Botvinnik system21035.2%49.5%
C44Ponziani, Caro variation27643.8%49.5%
E31Nimzo-Indian, Leningrad, main line43934.6%49.4%
A02Bird's opening440636.6%49.4%
B25Sicilian, closed, 6.Ne2 e5 (Botvinnik)8331.3%49.4%
A24English, Bremen system with ...g624638.6%49.4%
C46Four knights, Gunsberg variation16343.6%49.4%
C56Two knights defence16147.8%49.4%
B25Sicilian, closed, 6.f456039.1%49.4%
A01Nimzovich-Larsen attack, English variation53935.6%49.4%
C21Danish gambit29836.9%49.3%
B23Sicilian, Grand Prix attack103737.0%49.3%
D44QGD semi-Slav, 5.Bg5 dc27148.3%49.3%
A01Nimzovich-Larsen attack, classical variation228235.0%49.2%
C42Petrov, Italian variation6527.7%49.2%
B58Sicilian, classical25842.6%49.2%
C52Evans gambit44239.6%49.2%
B62Sicilian, Richter-Rauzer, Keres variation12031.7%49.2%
E03Catalan, open, Alekhine variation5940.7%49.2%
B74Sicilian, dragon, classical, 9.Nb356049.3%49.1%
D48QGD semi-Slav, Meran, 8...a6156150.2%49.1%
B13Caro-Kann, Panov-Botvinnik, Czerniak variation5438.9%49.1%
A05Reti, King's Indian attack, Reti-Smyslov variation15833.5%49.1%
D52QGD, Cambridge Springs defence5147.1%49.0%
C12French, MacCutcheon, Chigorin variation9742.3%49.0%
C02French, advance, Milner-Barry gambit14436.8%49.0%
C34King's knight's gambit4628.3%48.9%
E12Queen's Indian, 4.Nc3, Botvinnik variation4628.3%48.9%
B31Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation4548.9%48.9%
C59Two knights defence21239.2%48.8%
A09Reti, advance variation172736.5%48.8%
D01Richter-Veresov attack, Veresov variation4240.5%48.8%
E92King's Indian, classical variation3930.8%48.7%
A22English, Bremen, Smyslov system209639.0%48.7%
E46Nimzo-Indian, Simagin variation23144.6%48.7%
B34Sicilian, accelerated fianchetto, exchange variation3839.5%48.7%
C27Vienna, Alekhine variation3839.5%48.7%
A92Dutch, stonewall with Nc33844.7%48.7%
D12QGD Slav, exchange variation11037.3%48.6%
C26Vienna, Mengarini variation3557.1%48.6%
D91Gruenfeld, 5.Bg5112840.9%48.5%
B20Sicilian, wing gambit, Carlsbad variation3444.1%48.5%
C45Scotch, Schmidt variation92651.4%48.5%
B09Pirc, Austrian attack, Ljubojevic variation3330.3%48.5%
B72Sicilian, dragon, classical, Amsterdam variation6529.2%48.5%
A18English, Mikenas-Carls, Kevitz variation3234.4%48.4%
B58Sicilian, Boleslavsky variation51237.5%48.4%
B05Alekhine's defence, modern, Panov variation2941.4%48.3%
C46Three knights, Steinitz, Rosenthal variation2948.3%48.3%
E92King's Indian, Andersson variation42755.7%48.2%
A20English, Nimzovich, Flohr variation22238.7%48.2%
A06Reti, old Indian attack19230.7%48.2%
A04Reti, Pirc-Lisitsin gambit16430.5%48.2%
A00Polish (Sokolsky) opening291139.8%48.1%
A80Dutch, Korchnoi attack8026.3%48.1%
C67Ruy Lopez, open Berlin defence, Showalter variation2634.6%48.1%
D89Gruenfeld, Spassky variation, main line, 13.Bd37540.0%48.0%
D94Gruenfeld with e3 Bd32540.0%48.0%
C59Two knights defence, Steinitz variation41733.1%48.0%
A03Bird's opening376235.4%47.9%
A46Queen's pawn, Torre attack, Wagner gambit2429.2%47.9%
B02Alekhine's defence, Spielmann variation2429.2%47.9%
C31KGD, Falkbeer, Tartakower variation7058.6%47.9%
B21Sicilian, Smith-Morra gambit106640.3%47.8%
C36KGA, Abbazia defence, modern variation80139.6%47.8%
D01Richter-Veresov attack93332.9%47.7%
D98Gruenfeld, Russian, Keres variation2250.0%47.7%
C54Giuoco Piano, Moeller (Therkatz) attack4454.5%47.7%
E30Nimzo-Indian, Leningrad, ...b5 gambit8433.3%47.6%
C84Ruy Lopez, closed, centre attack20951.2%47.6%
C49Four knights10452.9%47.6%
D00Blackmar-Diemer, Euwe defence4126.8%47.6%
C52Evans gambit, Tartakower attack10145.5%47.5%
B02Alekhine's defence, Krejcik variation2035.0%47.5%
D49QGD semi-Slav, Meran, Rabinovich variation7830.8%47.4%
C51Evans gambit declined, 5.a421140.8%47.4%
C46Four knights, Italian variation24944.2%47.4%
C48Four knights, Rubinstein counter-gambit, Bogolyubov variation1952.6%47.4%
B97Sicilian, Najdorf, 7...Qb6191234.9%47.3%
D29QGA, classical, 8...Bb738042.4%47.2%
D50QGD, Been-Koomen variation3650.0%47.2%
C41Philidor, Hanham, Krause variation1850.0%47.2%
C02French, advance, Nimzovich variation1827.8%47.2%
C35KGA, Cunningham, Euwe defence13826.1%47.1%
C33KGA, bishop's gambit, Jaenisch variation15541.3%47.1%
D49QGD semi-Slav, Meran, Sozin variation17143.9%47.1%
C31KGD, Falkbeer, 3...e45147.1%47.1%
C21Danish gambit, Schlechter defence1723.5%47.1%
C57Two knights defence, Ulvestad variation11451.8%46.9%
A00Polish, Outflank variation19542.6%46.9%
A13English, Wimpey system24248.3%46.9%
C20KP, Indian opening14436.8%46.9%
C53Giuoco Piano, Anderssen variation4755.3%46.8%
E23Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc612344.7%46.7%
C51Evans gambit, normal variation6131.1%46.7%
C37KGA, Salvio gambit1526.7%46.7%
C44Scotch, Goering gambit, Bardeleben variation1540.0%46.7%
E17Queen's Indian, 5.Bg2 Be75841.4%46.6%
E03Catalan, open, 5.Qa4 Nbd7, 6.Qxc417449.4%46.6%
C65Ruy Lopez, Berlin defence, Duras variation2937.9%46.6%
C65Ruy Lopez, Berlin defence, Mortimer variation2951.7%46.6%
C39KGA, Kieseritsky, Kolisch defence15543.9%46.5%
C29Vienna gambit, Steinitz variation4240.5%46.4%
A21English, Keres variation1421.4%46.4%
B20Sicilian, Gloria variation1421.4%46.4%
A00Durkin's attack1421.4%46.4%
A12English, Capablanca's variation13939.6%46.4%
C51Evans gambit, Cordel variation11147.7%46.4%
C15French, Winawer, fingerslip variation6634.8%46.2%
D64QGD, Orthodox defence, Rubinstein attack, Wolf variation1346.2%46.2%
D51QGD, Rochlin variation1346.2%46.2%
C80Ruy Lopez, open, Tartakower variation1361.5%46.2%
C34KGA, Fischer defence33531.9%46.1%
C44Ponziani opening37230.9%46.1%
C44Ponziani, Steinitz variation54841.8%46.1%
A03Bird's opening, Lasker variation14030.7%46.1%
D59QGD, Tartakower variation15148.3%46.0%
A51Budapest, Fajarowicz, Steiner variation5036.0%46.0%
D59QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd528550.5%46.0%
C22Centre game45737.2%46.0%
E23Nimzo-Indian, Spielmann, Karlsbad variation4942.9%45.9%
A00Benko's opening, reversed Alekhine13342.1%45.9%
C40Greco defence1225.0%45.8%
D89Gruenfeld, exchange, Sokolsky variation1241.7%45.8%
C48Four knights, Rubinstein counter-gambit, 5.Be21241.7%45.8%
C60Ruy Lopez, Lucena defence1241.7%45.8%
C13French, classical3545.7%45.7%
C00French, Steinitz attack3528.6%45.7%
C33KGA, Keres (Mason-Steinitz) gambit6942.0%45.7%
C33KGA, bishop's gambit, Paulsen attack2339.1%45.7%
D49QGD semi-Slav, Meran, Stahlberg variation8041.3%45.6%
A06Santasiere's folly22637.2%45.6%
C77Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)11244.6%45.5%
B15Caro-Kann, Alekhine gambit4436.4%45.5%
D12QGD Slav, Amsterdam variation2254.5%45.5%
C58Two knights defence, Colman variation8632.6%45.3%
D21QGA, Alekhine defense, Borisenko-Furman variation4334.9%45.3%
D45QGD semi-Slav, Rubinstein (anti-Meran) system2133.3%45.2%
A12English, Bled variation3138.7%45.2%
B22Sicilian, 2.c3, Heidenfeld variation6225.8%45.2%
C41Philidor, Boden variation1050.0%45.0%
C01French, exchange, Bogolyubov variation1050.0%45.0%
C12French, MacCutcheon variation17941.9%45.0%
C00French, Labourdonnais variation30829.5%45.0%
C80Ruy Lopez, open, 6.d45939.0%44.9%
E77King's Indian, Four pawns attack, 6.Be24940.8%44.9%
C49Four knights, symmetrical, Pillsbury variation6845.6%44.9%
D32QGD, Tarrasch defence, 4.cd ed4831.3%44.8%
D32QGD, Tarrasch defence, Tarrasch gambit1957.9%44.7%
D67QGD, Orthodox defence, Bd3 line1957.9%44.7%
B20Sicilian, wing gambit10333.0%44.7%
B13Caro-Kann, Panov-Botvinnik, Gunderam attack2832.1%44.6%
C45Scotch, Tartakower variation2825.0%44.6%
A82Dutch, Staunton gambit22336.3%44.6%
C80Ruy Lopez, open, Bernstein variation, Karpov gambit2744.4%44.4%
C44Inverted Hanham5234.6%44.2%
D52QGD, Cambridge Springs defence, Argentine variation2634.6%44.2%
C14French, classical, Pollock variation1729.4%44.1%
C40Latvian, Polerio variation2532.0%44.0%
C80Ruy Lopez, open, 8...Be6139137.9%44.0%
A12English, New York (London) defensive system9836.7%43.9%
E24Nimzo-Indian, Saemisch, Botvinnik variation11339.8%43.8%
D48QGD semi-Slav, Meran244.2%43.8%
C57Two knights defence, Fritz, Gruber variation1637.5%43.8%
C48Four knights, Spielmann variation862.5%43.8%
B05Alekhine's defence, modern, Alekhine variation837.5%43.8%
D31QGD, semi-Slav, Abrahams variation18836.2%43.6%
D29QGA, classical, Smyslov variation4753.2%43.6%
D00Blackmar-Diemer gambit6943.5%43.5%
D41QGD, Semi-Tarrasch, Kmoch variation1560.0%43.3%
C68Ruy Lopez, exchange, Alekhine variation3748.6%43.2%
C58Two knights defence, Bogolyubov variation9632.3%43.2%
C21Halasz gambit2231.8%43.2%
C37KGA, Rosentreter gambit3636.1%43.1%
C39KGA, Kieseritsky, Berlin defence9233.7%42.9%
C41Philidor, Hanham, Delmar variation1428.6%42.9%
D22QGA, Alekhine defence, Alatortsev variation1457.1%42.9%
A00Gedult's opening1414.3%42.9%
C14French, classical variation1414.3%42.9%
A00Anti-Borg (Desprez) opening70.0%42.9%
B50Sicilian, wing gambit deferred3534.3%42.9%
C33KGA, bishop's gambit, Bledow variation18828.2%42.8%
C57Two knights defence2025.0%42.5%
E29Nimzo-Indian, Saemisch, Capablanca variation3842.1%42.1%
B45Sicilian, Taimanov, American attack1942.1%42.1%
D00Queen's pawn, stonewall attack8132.1%42.0%
D15QGD Slav, Tolush-Geller gambit17029.4%41.8%
C44Dresden opening1827.8%41.7%
B07Pirc, Chinese variation650.0%41.7%
B73Sicilian, dragon, classical, Zollner gambit1233.3%41.7%
C23Bishop's opening, Wing gambit650.0%41.7%
C13French, classical, Anderssen variation2433.3%41.7%
A83Dutch, Staunton gambit, Alekhine variation650.0%41.7%
B18Caro-Kann, classical, Maroczy attack1216.7%41.7%
E77King's Indian, Four pawns attack, Florentine gambit1838.9%41.7%
C39KGA, Kieseritsky, Berlin defence, 6.Bc47230.6%41.7%
E14Queen's Indian, Averbakh variation650.0%41.7%
A61Benoni, Uhlmann variation22722.9%41.4%
D64QGD, Orthodox defence, Rubinstein attack, Karlsbad variation2941.4%41.4%
C20KP, Patzer opening13827.5%41.3%
C33KGA, bishop's gambit, Maurian defence4515.6%41.1%
A54Old Indian, Dus-Khotimirsky variation2227.3%40.9%
B57Sicilian, Magnus Smith trap1145.5%40.9%
D00Blackmar gambit25837.6%40.9%
C39KGA, Kieseritsky, Salvio (Rosenthal) defence7044.3%40.7%
C24Bishop's opening, Urusov gambit13245.5%40.2%
A00Ware (Meadow Hay) opening3033.3%40.0%
C56Two knights defence, Canal variation540.0%40.0%
A28English, Bradley Beach variation8225.6%39.6%
E11Bogo-Indian defence, Monticelli trap2343.5%39.1%
D31QGD, semi-Slav, Koomen variation955.6%38.9%
C37KGA, Quaade gambit4932.7%38.8%
D44QGD semi-Slav, Ekstrom variation2646.2%38.5%
C41Philidor, Nimzovich, Larobok variation9448.9%38.3%
A45Canard opening1729.4%38.2%
C22Centre game, l'Hermet variation80.0%37.5%
C55Two knights, Max Lange attack, Loman defence425.0%37.5%
C44Tayler opening425.0%37.5%
B41Sicilian, Kan, Maroczy bind - Bronstein variation3540.0%37.1%
D44QGD semi-Slav, anti-Meran, Szabo variation3122.6%37.1%
B02Alekhine's defence, Kmoch variation1520.0%36.7%
B03Alekhine's defence, four pawns attack, Planinc variation1136.4%36.4%
C22Centre game, Hall variation2937.9%36.2%
C42Petrov, Cochrane gambit8721.8%36.2%
C27Boden-Kieseritsky gambit4535.6%35.6%
B62Sicilian, Richter-Rauzer, Podvebrady variation2445.8%35.4%
A00Grob's attack19942.2%35.2%
E21Nimzo-Indian, three knights, Korchnoi variation1030.0%35.0%
C20KP, Lopez opening2040.0%35.0%
C33KGA, bishop's gambit, Cozio (Morphy) defence3625.0%34.7%
C52Evans gambit, Alapin-Steinitz variation1353.8%34.6%
B00Corn stalk defence633.3%33.3%
C37KGA, Silberschmidt gambit633.3%33.3%
A43Hawk (Habichd) defence366.7%33.3%
D31QGD, semi-Slav, Junge variation1233.3%33.3%
C80Ruy Lopez, open, Berger variation366.7%33.3%
C33KGA, bishop's gambit, classical defence60.0%33.3%
C42Petrov, classical attack, Krause variation944.4%33.3%
D68QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)366.7%33.3%
C44Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack666.7%33.3%
A00Grob, spike attack633.3%33.3%
C19French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation30.0%33.3%
C37KGA, Muzio gambit1833.3%33.3%
D21QGA, Ericson variation60.0%33.3%
C96Ruy Lopez, closed, Rossolimo defence30.0%33.3%
A38English, symmetrical, main line with b3366.7%33.3%
A00Amar (Paris) opening1844.4%33.3%
E60King's Indian, 3.g3, counterthrust variation1729.4%32.4%
A84Dutch, Staunton gambit deferred1145.5%31.8%
C59Two knights defence, Goering variation812.5%31.3%
C45Scotch, Blumenfeld attack1637.5%31.3%
C38KGA, Philidor gambit2920.7%31.0%
A00Grob, Fritz gambit5743.9%30.7%
C37KGA, Blachly gambit3834.2%30.3%
D26QGA, classical, Furman variation560.0%30.0%
C24Bishop's opening, Ponziani gambit2030.0%30.0%
C57Two knights defence, Pincus variation1040.0%30.0%
C38KGA, Philidor gambit, Schultz variation1060.0%30.0%
C20KP, Mengarini's opening2240.9%29.5%
C52Evans gambit, Richardson attack1936.8%28.9%
C30KGD, classical, Soldatenkov variation728.6%28.6%
B15Caro-Kann, Rasa-Studier gambit1822.2%27.8%
C58Two knights defence, Yankovich variation1931.6%26.3%
C80Ruy Lopez, open, Schlechter defence1931.6%26.3%
C39KGA, Kieseritsky, Rice gambit1921.1%26.3%
B00KP, Nimzovich defence, Marshall gambit616.7%25.0%
C23Bishop's opening, MacDonnell double gambit250.0%25.0%
C10French, Marshall variation250.0%25.0%
C52Evans gambit, Levenfish variation616.7%25.0%
A83Dutch, Staunton gambit, Nimzovich variation450.0%25.0%
C41Philidor, Paulsen attack250.0%25.0%
C20KP, King's head opening250.0%25.0%
B27Sicilian, Stiletto (Althouse) variation450.0%25.0%
C88Ruy Lopez, closed, 7...d6, 8.d42433.3%25.0%
B02Alekhine's defence, Mokele Mbembe (Buecker) variation250.0%25.0%
D33QGD, Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation250.0%25.0%
D34QGD, Tarrasch, Bogolyubov variation250.0%25.0%
A03Mujannah opening450.0%25.0%
C25Vienna, Steinitz gambit250.0%25.0%
C38King's knight's gambit6233.9%25.0%
C84Ruy Lopez, closed, Basque gambit (North Spanish variation)250.0%25.0%
C52Evans gambit, Lasker defence1435.7%25.0%
C37KGA, Cochrane gambit714.3%21.4%
B03Alekhine's defence, four pawns attack, Ilyin-Genevsky var.742.9%21.4%
C46Four knights, Schultze-Mueller gambit50.0%20.0%
C12French, MacCutcheon, advance variation1526.7%20.0%
C33King's gambit accepted333.3%16.7%
A00Amar gambit10.0%0.0%
C39KGA, Allgaier, Walker attack10.0%0.0%
C78Ruy Lopez, Rabinovich variation10.0%0.0%
C54Giuoco Piano, Therkatz-Herzog variation10.0%0.0%
C44Ponziani counter-gambit, Cordel variation10.0%0.0%
E36Nimzo-Indian, classical, Noa variation, main line10.0%0.0%
D80Gruenfeld, Lundin variation10.0%0.0%
C33KGA, bishop's gambit, Bryan counter-gambit20.0%0.0%
C23Bishop's opening, Lopez gambit20.0%0.0%
C51Evans gambit declined, Lange variation20.0%0.0%
B02Alekhine's defence, Two pawns' attack, Mikenas variation20.0%0.0%
A02Bird, From gambit, Lipke variation10.0%0.0%
C39KGA, Allgaier, Thorold variation10.0%0.0%
C41Philidor, Steinitz variation20.0%0.0%
D28QGA, classical, Flohr variation10.0%0.0%
C81Ruy Lopez, open, Howell attack, Adam variation20.0%0.0%
C89Ruy Lopez, Marshall, main line, Spassky variation10.0%0.0%
C95Ruy Lopez, closed, Breyer, 10.d410.0%0.0%
C23Bishop's opening, Lisitsyn variation10.0%0.0%
B20Sicilian, wing gambit, Marienbad variation10.0%0.0%
C67Ruy Lopez, Berlin defence, Pillsbury variation10.0%0.0%

Created in 2005-2013 by CCRL team
Last games added on May 8, 2021