CCRL 40/4
Downloads and Statistics
July 15, 2018
Testing summary:
Total: 1'778'011 games
played by 2'088 programs
23739 CPU days (X2 4600+)

White wins: 694'623 (39.1%)
Black wins: 563'239 (31.7%)
Draws: 520'149 (29.3%)
White score: 53.7%

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) attack5159424.9%51.5%
D45QGD semi-Slav, Stoltz variation4133730.5%52.5%
E15Queen's Indian, Nimzovich variation (exaggerated fianchetto)3321029.5%55.0%
B12Caro-Kann, advance variation2422024.8%54.4%
D43QGD semi-Slav2244929.1%53.6%
D47QGD semi-Slav, Meran, Wade variation2212729.3%52.9%
B22Sicilian, Alapin's variation (2.c3)1865631.9%54.0%
A29English, four knights, kingside fianchetto1850730.9%51.6%
A04Reti opening1602728.3%53.0%
B66Sicilian, Richter-Rauzer, Rauzer attack, 7...a61545024.8%51.2%
D02Queen's pawn game1511927.7%52.9%
D58QGD, Tartakower (Makagonov-Bondarevsky) system1338732.8%52.6%
A15English opening1335433.0%54.1%
B90Sicilian, Najdorf1317424.8%51.1%
B92Sicilian, Najdorf, Opovcensky variation1192429.8%52.5%
A00Benko's opening1189530.8%51.1%
E04Catalan, open, 5.Nf31186032.5%53.6%
E12Queen's Indian, Petrosian system1151331.9%53.4%
A20English opening1139728.5%52.3%
B47Sicilian, Taimanov (Bastrikov) variation1136330.9%54.5%
A07Reti, King's Indian attack (Barcza system)1074129.9%53.0%
B06Robatsch (modern) defence1056729.3%56.4%
B27Sicilian, Hungarian variation1044333.7%57.2%
A05Reti opening1039328.9%52.5%
C11French, Burn variation984131.1%52.0%
B84Sicilian, Scheveningen (Paulsen), classical variation981029.2%51.9%
B19Caro-Kann, classical, Spassky variation936527.8%57.5%
B40Sicilian defence930929.0%52.7%
D12QGD Slav, 4.e3 Bf5929128.2%54.4%
C88Ruy Lopez, closed, 7...O-O909929.9%51.9%
C67Ruy Lopez, Berlin defence, open variation902334.5%52.7%
A30English, symmetrical variation896829.3%54.0%
E32Nimzo-Indian, classical variation896532.6%53.1%
C10French, Rubinstein variation894933.0%53.5%
E97King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)877025.2%55.5%
A80Dutch874026.2%54.1%
D37QGD, classical variation (5.Bf4)848933.0%53.6%
D38QGD, Ragozin variation838232.3%53.7%
A30English, symmetrical, hedgehog system834732.0%55.6%
D85Gruenfeld, modern exchange variation818536.7%53.5%
A45Trompovsky attack (Ruth, Opovcensky opening)804925.1%51.7%
C11French, Steinitz, Boleslavsky variation788026.3%54.5%
C00French, King's Indian attack762228.5%51.0%
A81Dutch defence745728.6%56.1%
B48Sicilian, Taimanov variation742928.0%54.1%
B67Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7742925.2%52.5%
E10Queen's pawn game734131.4%54.5%
B30Sicilian, Nimzovich-Rossolimo attack (without ...d6)723829.2%54.8%
E06Catalan, closed, 5.Nf3719034.6%54.4%
D30Queen's gambit declined717631.0%53.5%
D48QGD semi-Slav, Meran, 8...a6716831.0%48.8%
E12Queen's Indian, 4.Nc3709529.2%52.6%
E00Catalan opening695830.7%54.3%
B14Caro-Kann, Panov-Botvinnik attack, 5...e6688233.3%55.3%
B43Sicilian, Kan, 5.Nc3686829.1%54.8%
D37QGD, 4.Nf3673332.5%53.2%
B20Sicilian defence672324.1%48.5%
C07French, Tarrasch, open variation670332.7%52.8%
A46Queen's pawn game649727.7%54.0%
C91Ruy Lopez, closed, Bogolyubov variation645732.2%51.8%
B23Sicilian, closed623026.9%53.0%
B10Caro-Kann defence619024.9%53.7%
B33Sicilian, Pelikan, Chelyabinsk variation600927.2%55.3%
C53Giuoco Piano579028.1%52.6%
A40Queen's pawn576225.9%53.6%
B46Sicilian, Taimanov variation575928.9%54.8%
D11QGD Slav, 4.e3575629.7%55.3%
D11QGD Slav, 3.Nf3572728.7%54.5%
A45Queen's pawn game560126.4%51.4%
D10QGD Slav defence557930.1%54.4%
B50Sicilian556128.2%52.5%
D27QGA, classical, 6...a6554136.3%53.8%
B17Caro-Kann, Steinitz variation554029.1%53.8%
C43Petrov, modern attack, Symmetrical variation552031.4%53.8%
B01Scandinavian (centre counter) defence549427.6%60.2%
C65Ruy Lopez, Berlin defence547829.5%51.5%
B56Sicilian537226.3%54.6%
B57Sicilian, Sozin, Benko variation523429.4%51.0%
B08Pirc, classical system, 5.Be2520831.7%58.4%
C19French, Winawer, advance, poisoned pawn variation520124.3%58.9%
A13English opening518425.6%52.7%
A00Clemenz (Mead's, Basman's or de Klerk's) opening517923.2%49.9%
A07Reti, King's Indian attack, Yugoslav variation515831.2%53.8%
B45Sicilian, Taimanov variation507727.5%54.4%
B35Sicilian, accelerated fianchetto, modern variation with Bc4504034.3%53.8%
A33English, symmetrical variation502334.7%52.3%
A10English opening499625.7%53.5%
A41Queen's Pawn498623.4%56.2%
E60King's Indian, 3.Nf3493329.2%55.4%
B81Sicilian, Scheveningen, Keres attack482726.0%58.8%
B42Sicilian, Kan, 5.Bd3468729.5%56.9%
B30Sicilian defence464929.1%52.0%
A35English, symmetrical, four knights system449730.2%52.8%
B09Pirc, Austrian attack, 6.Bd3438130.6%57.6%
B89Sicilian, Sozin, 7.Be3437927.0%49.1%
B31Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)437429.9%55.7%
A06Reti, Nimzovich-Larsen attack424531.3%51.2%
D97Gruenfeld, Russian, Alekhine (Hungarian) variation424131.4%51.3%
D27QGA, classical, Rubinstein variation423234.4%55.4%
C88Ruy Lopez, closed421127.5%48.3%
D15QGD Slav, 4.Nc3417829.0%52.6%
D20QGA, 3.e4416029.1%56.0%
C89Ruy Lopez, Marshall counter-attack415334.2%51.8%
A40Queen's pawn, Keres defence407327.3%55.7%
C00French defence404123.8%54.3%
C91Ruy Lopez, closed, 9.d4397927.3%56.0%
C42Petrov, classical attack, Jaenisch variation396734.9%56.6%
C78Ruy Lopez, Archangelsk (counterthrust) variation395529.1%54.1%
A40Queen's pawn, Franco-Indian (Keres) defence388228.2%55.5%
D45QGD semi-Slav, accelerated Meran (Alekhine variation)386432.3%53.7%
E11Bogo-Indian defence, Gruenfeld variation383731.1%55.4%
C02French, advance, Euwe variation382425.5%52.6%
C08French, Tarrasch, open, 4.ed ed380337.1%53.3%
A21English, Kramnik-Shirov counterattack379028.5%52.4%
B23Sicilian, closed, 2...Nc6375527.7%53.2%
E11Bogo-Indian defence372833.0%55.4%
D02Queen's bishop game368128.5%51.4%
E21Nimzo-Indian, three knights variation368129.1%51.8%
C45Scotch game365831.8%53.4%
C92Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)363132.4%54.0%
A41Old Indian defence362425.7%50.7%
A41Old Indian, Tartakower (Wade) variation357424.5%58.6%
A06Reti opening353927.1%53.2%
B97Sicilian, Najdorf, Poisoned pawn variation353827.3%44.3%
A33English, symmetrical, Geller variation348730.5%52.2%
A07Reti, King's Indian attack345933.9%52.9%
A21English opening345427.2%54.2%
D10QGD Slav defence, exchange variation335730.8%52.5%
C00French, Chigorin variation335125.0%50.9%
E63King's Indian, fianchetto, Panno variation330628.6%57.1%
B01Scandinavian, Pytel-Wade variation328732.9%60.0%
B33Sicilian, Sveshnikov variation326826.9%52.9%
D47QGD semi-Slav, Meran variation323931.5%53.0%
E98King's Indian, orthodox, Aronin-Taimanov, 9.Ne1320721.4%59.1%
E18Queen's Indian, old main line, 7.Nc3317133.2%56.3%
E97King's Indian, orthodox, Aronin-Taimanov, bayonet attack317128.7%57.6%
C90Ruy Lopez, closed, Pilnik variation314326.0%52.5%
D85Gruenfeld, exchange variation312336.2%52.8%
D31QGD, semi-Slav, Marshall gambit311328.7%55.1%
B00King's pawn opening310626.1%53.7%
A03Bird's opening309824.4%48.6%
B07Pirc defence308425.6%54.6%
A01Nimzovich-Larsen attack, modern variation304230.6%49.9%
D30QGD303432.1%52.1%
C03French, Tarrasch302130.0%56.5%
E55Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation301934.7%53.4%
B90Sicilian, Najdorf, Adams attack301024.0%52.7%
B51Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack300329.9%55.9%
E58Nimzo-Indian, 4.e3, main line with 8...Bxc3298928.9%48.7%
B42Sicilian, Kan, Polugaievsky variation298126.9%54.5%
A13English opening, Agincourt variation297928.2%52.1%
B38Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3295738.7%57.2%
C78Ruy Lopez, 5.O-O295131.3%54.7%
A02Bird's opening288729.5%49.7%
E14Queen's Indian, 4.e3288230.0%51.9%
C19French, Winawer, advance, positional main line288123.5%57.6%
C06French, Tarrasch, closed variation, main line280932.4%55.2%
B97Sicilian, Najdorf, 7...Qb6279723.7%47.2%
D35QGD, exchange, positional line277627.9%53.3%
D00Levitsky attack (Queen's bishop attack)276625.0%49.7%
E11Bogo-Indian defence, Nimzovich variation275828.8%56.5%
A22English, Bremen, Smyslov system275428.1%48.8%
B00KP, Nimzovich defence274724.2%57.8%
B18Caro-Kann, classical, 6.h4273330.8%53.5%
D19QGD Slav, Dutch variation272929.4%56.4%
A43Old Benoni defence271826.2%55.6%
B49Sicilian, Taimanov variation270031.2%55.3%
E92King's Indian, Gligoric-Taimanov system267324.7%57.7%
A17English, Nimzo-English opening266730.9%54.6%
E94King's Indian, orthodox, 7...Nbd7262826.9%56.9%
A34English, symmetrical, three knights system261935.2%52.4%
A80Dutch, 2.Bg5 variation261622.6%53.4%
B93Sicilian, Najdorf, 6.f4259529.4%49.6%
D04Queen's pawn game257130.7%53.0%
D07QGD, Chigorin defence255127.2%57.6%
B40Sicilian, Anderssen variation252331.8%55.4%
A04Reti v Dutch250126.6%56.9%
B06Robatsch defence, Two knights, Suttles variation249134.3%58.3%
C42Petrov, classical attack, Marshall variation246329.5%55.3%
C90Ruy Lopez, closed (with ...d6)246127.8%49.4%
B10Caro-Kann, anti-anti-Caro-Kann defence245533.5%51.8%
E60King's Indian, 3.g3242731.2%55.5%
E81King's Indian, Saemisch, 5...O-O242725.4%54.1%
E54Nimzo-Indian, 4.e3, Gligoric system with 7...dc241435.9%53.8%
A13English, Neo-Catalan accepted240933.7%54.4%
B90Sicilian, Najdorf, Lipnitzky attack240628.9%48.7%
C42Petrov, classical attack238830.8%56.8%
C95Ruy Lopez, closed, Breyer, Borisenko variation237830.5%56.3%
A05Reti, King's Indian attack237629.5%55.6%
B21Sicilian, Grand Prix attack237225.3%49.5%
A49King's Indian, fianchetto without c4235828.3%53.9%
A31English, symmetrical, Benoni formation235428.1%54.7%
A36English, ultra-symmetrical variation234527.7%48.7%
C02French, advance, Paulsen attack234024.5%53.3%
A88Dutch, Leningrad, main variation with c6232231.1%56.4%
C01French, exchange variation229232.6%53.3%
D05Queen's pawn game229129.6%52.9%
A40Modern defence226425.0%56.8%
D00Queen's pawn game225725.8%51.1%
D31QGD, Charousek (Petrosian) variation224129.2%53.3%
C09French, Tarrasch, open variation, main line222937.4%56.0%
B63Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7220128.1%52.2%
B96Sicilian, Najdorf, 7.f4216723.3%49.1%
E68King's Indian, fianchetto, classical variation, 8.e4214129.1%58.8%
D77Neo-Gruenfeld, 6.O-O213033.4%53.7%
C45Scotch, Mieses variation212233.2%51.0%
E59Nimzo-Indian, 4.e3, main line211830.8%54.1%
D78Neo-Gruenfeld, 6.O-O c6211732.5%53.7%
D00Queen's pawn, Mason variation210925.4%52.0%
C02French, advance variation210825.2%53.9%
A50Queen's pawn game210729.0%55.6%
E42Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)210531.7%55.3%
A90Dutch defence210326.1%55.8%
B18Caro-Kann, classical variation210030.3%54.9%
A13English, Neo-Catalan209630.2%53.9%
D91Gruenfeld, 5.Bg5209232.1%49.7%
D20Queen's gambit accepted208030.7%55.4%
C50Giuoco Piano207428.9%51.0%
C99Ruy Lopez, closed, Chigorin, 12...c5d4207334.2%59.0%
C50Giuoco Pianissimo204130.4%52.3%
D44QGD semi-Slav, anti-Meran gambit203326.2%60.0%
C05French, Tarrasch, closed variation202124.6%57.2%
A00Dunst (Sleipner, Heinrichsen) opening199323.5%52.2%
B10Caro-Kann, closed (Breyer) variation198024.6%50.7%
A34English, symmetrical variation196426.8%50.8%
B12Caro-Kann defence195621.9%57.2%
D35QGD, exchange, positional line, 5...c6193928.1%54.7%
B13Caro-Kann, Panov-Botvinnik attack193132.8%53.7%
E94King's Indian, orthodox variation192731.4%57.0%
C11French, Steinitz variation190126.8%53.8%
E15Queen's Indian, 4.g3189741.1%55.2%
B32Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation188929.7%54.0%
A01Nimzovich-Larsen attack, classical variation188527.0%48.6%
A48King's Indian, Torre attack187729.3%50.1%
A53Old Indian defence187129.2%55.3%
D02Queen's pawn game, Chigorin variation181125.5%54.9%
B94Sicilian, Najdorf, 6.Bg5179225.6%53.2%
E60King's Indian defence177923.3%53.3%
C97Ruy Lopez, closed, Chigorin defence176522.9%60.1%
A84Dutch defence176225.8%56.4%
B95Sicilian, Najdorf, 6...e6176026.5%53.9%
A28English, four knights, Nimzovich variation174630.3%51.9%
E19Queen's Indian, old main line, 9.Qxc3174633.6%55.0%
B11Caro-Kann, Two knights, 3...Bg4173924.7%53.6%
B89Sicilian, Velimirovic attack173024.5%51.0%
B01Scandinavian defence172630.0%57.6%
E53Nimzo-Indian, 4.e3, main line with ...c5172636.8%52.3%
A48King's Indian, East Indian defence171429.5%53.3%
A15English, 1...Nf6 (Anglo-Indian defense)170327.0%52.7%
A09Reti, advance variation170225.4%47.5%
D06QGD, Grau (Sahovic) defence169124.6%55.9%
A22English, Bremen, reverse dragon168934.6%53.2%
C85Ruy Lopez, Exchange variation doubly deferred (DERLD)166331.3%53.2%
C88Ruy Lopez, closed, anti-Marshall 8.a4166229.1%52.3%
A56Benoni defence165926.8%58.6%
B52Sicilian, Canal-Sokolsky attack, 3...Bd7165834.8%50.3%
A70Benoni, classical with e4 and Nf3165726.7%58.7%
A00Polish (Sokolsky) opening164428.0%50.5%
A62Benoni, fianchetto variation163722.5%55.6%
B99Sicilian, Najdorf, 7...Be7 main line163022.1%54.3%
B60Sicilian, Richter-Rauzer162626.1%56.2%
C10French, Paulsen variation162227.3%56.4%
B15Caro-Kann, Tartakower (Nimzovich) variation159832.7%52.8%
C48Four knights, Rubinstein counter-gambit159426.4%54.2%
A11English, Caro-Kann defensive system159328.0%56.0%
B07Robatsch defence, Geller's system157629.9%57.0%
D00Queen's pawn, Chigorin variation157022.2%51.7%
D39QGD, Ragozin, Vienna variation156136.6%50.5%
B65Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4155330.8%56.9%
A89Dutch, Leningrad, main variation with Nc6153428.3%57.7%
B39Sicilian, accelerated fianchetto, Breyer variation152133.2%60.9%
E46Nimzo-Indian, Reshevsky variation151628.4%52.4%
C24Bishop's opening, Berlin defence151328.0%52.1%
E00Queen's pawn game149627.8%53.9%
C41Philidor, exchange variation148226.0%58.1%
E12Queen's Indian, Miles variation148131.5%53.4%
D45QGD semi-Slav, 5.e3147528.6%56.9%
A28English, four knights, 4.e3147328.4%51.5%
A28English, four knights, Marini variation147331.9%53.7%
B91Sicilian, Najdorf, Zagreb (fianchetto) variation146727.6%51.2%
B36Sicilian, accelerated fianchetto, Maroczy bind145135.6%55.6%
A25English, closed system144928.1%53.5%
C55Two knights defence (Modern bishop's opening)144730.1%56.4%
A46Queen's pawn, Torre attack144426.8%52.1%
B76Sicilian, dragon, Yugoslav attack, Rauser variation144426.9%59.5%
B80Sicilian, Scheveningen variation144323.8%53.6%
D13QGD Slav, exchange variation144032.4%53.4%
B04Alekhine's defence, modern, Larsen variation143232.3%57.4%
C77Ruy Lopez, Anderssen variation143130.1%49.9%
B23Sicilian, chameleon variation143027.6%55.7%
D76Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6142433.8%55.9%
E61King's Indian defence, 3.Nc3141128.7%54.2%
B52Sicilian, Canal-Sokolsky attack, Sokolsky variation140933.6%53.4%
A10English, Anglo-Dutch defense140725.1%55.5%
E17Queen's Indian, Opovcensky variation140629.4%58.2%
E39Nimzo-Indian, classical, Pirc variation140532.6%56.3%
C89Ruy Lopez, Marshall, main line, 12.d2d4139427.4%55.7%
B87Sicilian, Sozin with ...a6 and ...b5139227.9%48.4%
D86Gruenfeld, exchange, classical variation139131.8%54.6%
B34Sicilian, accelerated fianchetto, modern variation138832.4%51.3%
D48QGD semi-Slav, Meran, Reynolds' variation138229.2%56.0%
C15French, Winawer (Nimzovich) variation138032.0%53.2%
D26QGA, classical variation137734.5%54.6%
B06Robatsch defence137328.6%58.8%
B10Caro-Kann, anti-Caro-Kann defence137126.3%56.7%
C80Ruy Lopez, open, 8...Be6135732.4%46.1%
D31QGD, semi-Slav135531.1%54.1%
D45QGD semi-Slav, 5...Nd7135427.0%51.5%
A09Reti accepted134727.5%53.2%
E56Nimzo-Indian, 4.e3, main line with 7...Nc6134730.8%54.2%
D52QGD, Cambridge Springs defence, Yugoslav variation134027.0%58.4%
A39English, symmetrical, main line with d4133737.1%55.0%
A46Queen's pawn, Yusupov-Rubinstein system133730.5%51.2%
D01Richter-Veresov attack132026.7%46.3%
D34QGD, Tarrasch, Prague variation, Normal position131335.0%57.9%
A00Van't Kruijs opening130827.0%52.2%
C41Philidor, Improved Hanham variation130327.2%56.5%
C19French, Winawer, advance, poisoned pawn, Konstantinopolsky variation130125.4%60.4%
D21QGA, 3.Nf3130125.7%55.6%
A44Semi-Benoni (`blockade variation')129521.6%61.5%
B33Sicilian, Pelikan (Lasker/Sveshnikov) variation129124.6%53.8%
B20Sicilian, Steinitz variation128025.5%54.2%
A55Old Indian, main line127927.0%62.5%
B09Pirc, Austrian attack, dragon formation127130.9%53.9%
A57Benko gambit half accepted126729.7%57.8%
A16English opening126628.0%54.1%
C96Ruy Lopez, closed (10...c5)126629.9%59.5%
D97Gruenfeld, Russian, Prins variation126633.6%55.6%
E69King's Indian, fianchetto, classical main line126430.5%60.0%
D73Neo-Gruenfeld, 5.Nf3126340.3%53.2%
E90King's Indian, 5.Nf3126323.5%54.4%
D34QGD, Tarrasch, Prague variation, 9.Bg5126137.8%57.3%
A57Benko gambit125425.2%54.3%
D30QGD, Vienna variation125238.5%53.0%
C84Ruy Lopez, closed defence124532.4%51.9%
B07Pirc, Sveshnikov system123426.7%51.9%
C42Petrov, classical attack, Chigorin variation122934.4%54.2%
A50Kevitz-Trajkovich defence122827.5%53.9%
E92King's Indian, Petrosian system, Stein variation122627.3%53.1%
D30QGD Slav121831.9%52.8%
B20Sicilian, Keres variation (2.Ne2)121625.6%52.8%
A08Reti, King's Indian attack121530.5%54.7%
B54Sicilian121427.3%53.8%
A28English, four knights, Romanishin variation120434.4%50.2%
A14English, Neo-Catalan declined120035.9%53.3%
C89Ruy Lopez, Marshall counter-attack, 11...c6118635.2%48.3%
C16French, Winawer, advance variation118025.3%56.7%
A08Reti, King's Indian attack, French variation117030.9%50.9%
B21Sicilian, Smith-Morra gambit117028.5%49.9%
E62King's Indian, fianchetto, Kavalek (Bronstein) variation116929.8%58.6%
E20Nimzo-Indian, Kmoch variation116825.1%54.0%
C26Vienna, Paulsen-Mieses variation116230.6%51.0%
D92Gruenfeld, 5.Bf4115533.4%55.4%
B78Sicilian, dragon, Yugoslav attack, 10.O-O-O114724.3%54.4%
B33Sicilian defence114628.6%53.0%
A42Modern defence, Averbakh system114429.4%57.1%
C00French defence, Steiner variation114328.2%49.7%
A25English, Sicilian reversed114126.6%51.8%
A56Benoni defence, Hromodka system114021.1%58.5%
A48King's Indian, London system113228.5%51.9%
B13Caro-Kann, exchange variation113227.3%50.8%
B32Sicilian defence113229.1%52.1%
A42Pterodactyl defence111527.3%61.6%
A22English opening109125.6%50.6%
B12Caro-Kann, Tartakower (fantasy) variation108927.2%54.9%
B53Sicilian, Chekhover variation108837.3%50.5%
A09Reti opening108527.0%53.5%
D31QGD, 3.Nc3106428.1%54.9%
B06Robatsch defence, Pseudo-Austrian attack103425.0%59.0%
C89Ruy Lopez, Marshall, main line, 14...Qh3103440.5%48.3%
C45Scotch, Schmidt variation103140.0%50.3%
E67King's Indian, fianchetto, classical variation102031.7%55.6%
E17Queen's Indian, old main line, 6.O-O101531.2%56.5%
D40QGD, Semi-Tarrasch defence101333.3%51.5%
E35Nimzo-Indian, classical, Noa variation, 5.cd ed101233.8%49.6%
D41QGD, Semi-Tarrasch, 5.cd101136.7%57.4%
A59Benko gambit, main line101034.2%62.7%
C46Four knights game101029.3%50.4%
B44Sicilian, Szen (`anti-Taimanov') variation100731.6%51.2%
C00French, Two knights variation100525.1%50.5%
E52Nimzo-Indian, 4.e3, main line with ...b6100532.5%52.7%
B01Scandinavian, Marshall variation100328.8%59.5%
A47Queen's Indian defence99728.2%53.5%
B05Alekhine's defence, modern variation, 4...Bg499730.0%63.9%
C14French, classical, Steinitz variation99527.1%58.0%
A37English, symmetrical variation99329.4%52.9%
E95King's Indian, orthodox, 7...Nbd7, 8.Re198926.8%56.3%
D79Neo-Gruenfeld, 6.O-O, main line98836.6%53.5%
B41Sicilian, Kan, Maroczy bind (Reti variation)98729.2%54.9%
C80Ruy Lopez, open, Bernstein variation98636.5%58.1%
B04Alekhine's defence, modern, fianchetto variation97731.2%54.8%
E41Nimzo-Indian, e3, Huebner variation97325.3%49.1%
A32English, symmetrical variation96929.4%52.4%
B08Pirc, classical (two knights) system96828.7%56.2%
D03Torre attack (Tartakower variation)96623.3%49.9%
C42Petrov's defence96025.1%54.1%
E71King's Indian, Makagonov system (5.h3)95826.4%55.7%
A01Nimzovich-Larsen attack95526.1%51.2%
E73King's Indian, Averbakh system95328.9%52.5%
E44Nimzo-Indian, Fischer variation, 5.Ne294225.5%56.6%
B06Robatsch defence, Gurgenidze variation93923.1%63.4%
D18QGD Slav, Dutch variation93931.8%57.3%
A00Saragossa opening93719.4%50.8%
B10Caro-Kann, Two knights variation93427.6%55.5%
B19Caro-Kann, classical, 7...Nd793225.1%52.0%
B25Sicilian, closed, 6.f492728.9%50.2%
E70King's Indian, 4.e492625.8%54.7%
E91King's Indian, 6.Be292525.5%60.1%
D17QGD Slav, Czech defence92435.4%54.1%
A14English, Symmetrical, Keres defence90636.2%54.9%
C19French, Winawer, advance, 6...Ne790526.0%59.5%
E47Nimzo-Indian, 4.e3 O-O, 5.Bd390237.0%55.4%
B28Sicilian, O'Kelly variation89928.8%56.3%
B07Pirc, Ufimtsev-Pytel variation89423.6%56.1%
A22English, Carls' Bremen system89126.3%55.1%
B58Sicilian, Boleslavsky variation89133.1%49.0%
E84King's Indian, Saemisch, Panno main line88221.9%52.1%
B00Owen defence88026.4%56.6%
D31QGD, semi-Slav, Abrahams variation87830.3%45.0%
A40Queen's pawn, Lundin (Kevitz-Mikenas) defence87226.9%56.6%
B83Sicilian, modern Scheveningen87030.6%50.3%
E34Nimzo-Indian, classical, Noa variation86933.7%52.2%
A05Reti, King's Indian attack, Spassky's variation86729.5%53.1%
B03Alekhine's defence, exchange variation86732.1%58.2%
D26QGA, 4...e686732.2%53.0%
D80Gruenfeld defence86641.2%53.5%
A13English, Romanishin gambit86530.2%55.3%
D46QGD semi-Slav, Chigorin defence86332.8%53.9%
E41Nimzo-Indian, 4.e3 c586333.8%51.0%
A58Benko gambit accepted86131.2%55.2%
D02Queen's pawn game, Krause variation86033.6%51.5%
B83Sicilian, Scheveningen, 6.Be285930.5%51.2%
E16Queen's Indian, Yates variation85931.1%59.1%
D17QGD Slav, Krause attack85826.8%58.0%
D47QGD semi-Slav, 7.Bc485027.2%57.9%
A87Dutch, Leningrad, main variation84028.5%59.5%
D14QGD Slav, exchange variation, 6.Bf4 Bf583831.6%51.1%
A52Budapest, Rubinstein variation83136.5%59.3%
A42Modern defence, Averbakh system, Kotov variation83024.0%57.8%
A56Czech Benoni defence82324.5%62.1%
D30QGD, Capablanca-Duras variation82328.3%52.4%
C18French, Winawer, classical variation82021.2%56.6%
C69Ruy Lopez, exchange variation, 5.O-O81630.3%54.5%
B82Sicilian, Scheveningen, 6.f481329.8%55.6%
C18French, Winawer, advance variation81220.9%57.9%
B09Pirc, Austrian attack81128.0%58.6%
B09Pirc, Austrian attack, 6.Be381125.4%55.5%
B70Sicilian, dragon variation81030.4%50.1%
D05Colle system80830.6%52.3%
E20Nimzo-Indian, Romanishin-Kasparov (Steiner) system80828.6%49.6%
E38Nimzo-Indian, classical, 4...c580731.2%56.6%
C78Ruy Lopez, Moeller defence80430.5%52.1%
B03Alekhine's defence79823.9%53.6%
C47Four knights, Scotch, 4...exd479636.4%51.0%
D29QGA, classical, 8...Bb779431.7%47.9%
D05Queen's pawn game, Rubinstein (Colle-Zukertort) variation79232.4%55.7%
A07Reti, King's Indian attack, Keres variation78930.9%52.2%
B16Caro-Kann, Bronstein-Larsen variation78924.2%61.8%
A01Nimzovich-Larsen attack, Indian variation78426.5%53.3%
C17French, Winawer, advance, 5.a378225.4%57.2%
D31QGD, semi-Slav, Noteboom variation77727.8%52.4%
A36English, symmetrical, Botvinnik system77527.4%55.0%
C12French, MacCutcheon, Lasker variation, 8...g677324.8%54.5%
C25Vienna game77225.1%52.2%
A38English, symmetrical variation76929.5%52.9%
D25QGA, Janowsky-Larsen variation76529.4%56.1%
D94Gruenfeld, 5.e376535.0%57.8%
B58Sicilian, classical75735.0%51.6%
D30QGD, Hastings variation75635.6%50.7%
D90Gruenfeld, Three knights variation75434.7%54.0%
C63Ruy Lopez, Schliemann defence, Berger variation75134.2%56.3%
A37English, symmetrical, Botvinnik system reversed74827.7%51.4%
A61Benoni defence74824.9%58.6%
A53Old Indian, Janowski variation74420.3%58.7%
C44Ponziani, Jaenisch counter-attack74331.6%46.9%
A52Budapest, Adler variation74031.6%58.6%
D47QGD semi-Slav, neo-Meran (Lundin variation)73531.3%56.6%
C25Vienna, Paulsen variation73422.8%50.6%
C42Petrov, Nimzovich attack73433.4%54.0%
D93Gruenfeld with Bf4 e373437.5%52.7%
C02French, advance, Steinitz variation73227.9%50.0%
A25English, closed, 5.Rb172928.5%52.1%
D53QGD, 4.Bg5 Be772636.4%55.8%
A61Benoni, Nimzovich (knight's tour) variation72527.2%57.3%
D87Gruenfeld, exchange, Spassky variation72534.6%57.2%
E09Catalan, closed, main line72328.2%56.7%
B88Sicilian, Sozin, Leonhardt variation72134.0%49.4%
E45Nimzo-Indian, 4.e3, Bronstein (Byrne) variation72031.0%54.5%
B83Sicilian, modern Scheveningen, main line71736.0%52.6%
B85Sicilian, Scheveningen, classical main line71739.9%54.1%
C64Ruy Lopez, classical (Cordel) defence71231.7%52.0%
E48Nimzo-Indian, 4.e3 O-O, 5.Bd3 d570732.5%52.1%
D52QGD, Cambridge Springs defence, Bogoljubow variation70530.1%54.2%
A00Anderssen's opening70321.9%47.5%
E91King's Indian, Kazakh variation70329.4%57.5%
B08Pirc, classical, h3 system69829.9%55.9%
D42QGD, Semi-Tarrasch, 7.Bd369836.7%57.7%
D17QGD Slav, Carlsbad variation69432.4%52.7%
D17QGD Slav, Wiesbaden variation68827.6%58.4%
A40Queen's pawn, English defence68621.7%56.6%
C00St. George defence68127.3%55.1%
A84Dutch defence, Rubinstein variation67927.7%56.7%
A20English, Nimzovich, Flohr variation67529.6%46.7%
B56Sicilian, Venice attack67434.4%62.6%
A28English, four knights system67225.6%52.8%
C44Scotch gambit, Dubois-Reti defence67231.3%49.9%
C77Ruy Lopez, Wormald (Alapin) attack67133.2%50.4%
B07Pirc, 150 attack66628.2%53.5%
C62Ruy Lopez, old Steinitz defence66128.3%54.4%
D07QGD, Chigorin defence, Janowski variation65424.2%61.8%
C00French, Labourdonnais variation65225.5%49.2%
E33Nimzo-Indian, classical, Milner-Barry (Zurich) variation64827.2%52.9%
E43Nimzo-Indian, Fischer variation64730.1%54.8%
B76Sicilian, dragon, Yugoslav attack, 7...O-O64229.1%52.1%
B24Sicilian, closed63927.7%49.1%
B80Sicilian, Scheveningen, English variation63825.1%51.3%
D00Queen's pawn, Mason variation, Steinitz counter-gambit63830.3%50.2%
C69Ruy Lopez, exchange, Gligoric variation63735.3%54.4%
B64Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f463532.9%54.4%
C11French defence63426.3%49.6%
C76Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation62628.3%51.4%
B15Caro-Kann defence62125.0%49.7%
D80Gruenfeld, Stockholm variation62035.2%50.5%
B29Sicilian, Nimzovich-Rubinstein variation61930.4%56.1%
A01Nimzovich-Larsen attack, symmetrical variation61830.3%49.8%
D82Gruenfeld, 4.Bf461633.9%53.3%
B61Sicilian, Richter-Rauzer, Larsen variation, 7.Qd261327.9%60.4%
B02Alekhine's defence61032.6%55.3%
B06Robatsch defence, Two knights variation60630.4%58.1%
D98Gruenfeld, Russian, Smyslov variation60428.1%54.1%
B23Sicilian, Grand Prix attack59926.4%52.8%
C42Petrov three knights game59728.1%54.4%
D74Neo-Gruenfeld, 6.cd Nxd5, 7.O-O59633.6%58.1%
C65Ruy Lopez, Berlin defence, Beverwijk variation59429.6%53.9%
A85Dutch with c4 & Nc359333.1%55.8%
C64Ruy Lopez, classical defence, Benelux variation 59333.4%51.1%
A30English, symmetrical, hedgehog, flexible formation59036.1%57.4%
C41Philidor's defence58830.1%55.9%
B26Sicilian, closed, 6.Be358525.8%48.5%
E00Neo-Indian (Seirawan) attack58524.1%49.5%
B57Sicilian, Sozin, not Scheveningen58130.5%54.5%
D25QGA, 4.e357729.3%57.8%
C92Ruy Lopez, closed, 9.h357427.4%55.3%
D59QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd557437.5%51.7%
A96Dutch, classical variation57030.9%61.6%
C69Ruy Lopez, exchange, Bronstein variation56730.3%51.7%
D49QGD semi-Slav, Meran, Blumenfeld variation56729.8%51.2%
E86King's Indian, Saemisch, orthodox, 7.Nge2 c656623.0%54.9%
A27English, three knights system56427.7%52.7%
E01Catalan, closed56431.6%53.9%
E80King's Indian, Saemisch variation56424.5%55.0%
B62Sicilian, Richter-Rauzer, Keres variation56331.1%53.7%
D23QGA, Mannheim variation55732.7%54.2%
D55QGD, Neo-orthodox variation, 7.Bh455531.7%53.7%
C72Ruy Lopez, modern Steinitz defence, 5.O-O55230.1%56.5%
D61QGD, Orthodox defence, Rubinstein variation55130.1%53.7%
B15Caro-Kann, Gurgenidze system55028.9%57.5%
D56QGD, Lasker defence54530.1%52.5%
A10English, Adorjan defence54136.4%51.7%
B62Sicilian, Richter-Rauzer, Margate (Alekhine) variation54132.9%49.9%
C50Giuoco Pianissimo, Italian four knights variation54129.2%55.6%
E12Queen's Indian defence53729.2%50.4%
D96Gruenfeld, Russian variation53530.3%53.6%
B80Sicilian, Scheveningen, fianchetto variation53428.1%51.5%
E88King's Indian, Saemisch, orthodox, 7.d5 c653430.9%55.5%
C70Ruy Lopez, Classical defence deferred53026.2%51.8%
C49Four knights, symmetrical variation52931.6%49.4%
E87King's Indian, Saemisch, orthodox, 7.d552719.5%62.9%
E62King's Indian, fianchetto, Uhlmann (Szabo) variation52130.3%58.2%
C60Ruy Lopez, fianchetto (Smyslov/Barnes) defence51935.3%53.1%
E05Catalan, open, classical line51831.3%56.0%
A28English, four knights, Capablanca variation51629.8%52.3%
C43Petrov, modern attack, main line51431.7%57.9%
A99Dutch, Ilyin-Genevsky variation with b351125.2%59.4%
C80Ruy Lopez, open, 7.Bb351130.5%52.1%
D19QGD Slav, Dutch variation, main line51034.3%52.3%
A00Mieses opening50918.5%52.8%
E36Nimzo-Indian, classical, Noa variation, 5.a350632.8%55.5%
B63Sicilian, Richter-Rauzer, Rauzer attack50427.0%56.9%
E30Nimzo-Indian, Leningrad variation50230.5%51.1%
B12Caro-Kann, 3.Nd250126.5%59.8%
A90Dutch defence, Dutch-Indian (Nimzo-Dutch) variation49928.1%61.1%
D34QGD, Tarrasch, Prague variation, 7...Be749431.0%59.2%
C49Four knights, symmetrical, Metger unpin49235.0%52.2%
D52QGD, Cambridge Springs defence, 7.cd49131.8%57.8%
E92King's Indian, Andersson variation48939.7%54.2%
D70Neo-Gruenfeld defence48823.2%51.3%
D44QGD semi-Slav, anti-Meran, Lilienthal variation48621.2%58.7%
C00French, Schlechter variation48531.1%50.6%
A67Benoni, Taimanov variation48419.2%58.2%
E66King's Indian, fianchetto, Yugoslav Panno48427.1%55.9%
B54Sicilian, Prins (Moscow) variation48230.9%52.8%
B20Sicilian, wing gambit, Marshall variation48126.8%39.6%
C13French, Albin-Alekhine-Chatard attack48021.9%56.6%
A95Dutch, stonewall with Nc347726.4%54.3%
D10QGD Slav defence, Alekhine variation47720.8%55.9%
B14Caro-Kann, Panov-Botvinnik attack, 5...g647638.7%53.8%
C12French, MacCutcheon, Lasker variation47519.8%52.6%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc347441.8%54.0%
A23English, Bremen system, Keres variation47133.1%49.3%
D55QGD, Petrosian variation47139.1%52.9%
C10French, Fort Knox variation47034.5%54.3%
D36QGD, exchange, positional line, 6.Qc246933.3%51.6%
E62King's Indian, fianchetto, lesser Simagin (Spassky) variation46924.5%58.3%
B77Sicilian, dragon, Yugoslav attack, 9...Bd746625.5%55.3%
C04French, Tarrasch, Guimard main line46326.1%56.5%
D52QGD46130.4%56.4%
B07Pirc, Byrne variation45624.3%55.8%
C64Ruy Lopez, classical defence, 4.c345628.3%52.7%
D12QGD Slav, exchange variation45525.1%53.2%
D26QGA, classical variation, 6.O-O45135.0%58.3%
E49Nimzo-Indian, 4.e3, Botvinnik system45129.5%48.2%
B69Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf645023.8%57.2%
D32QGD, Tarrasch defence44831.5%55.2%
D46QGD semi-Slav, Bogolyubov variation44830.1%56.6%
E08Catalan, closed, Qc2 & b344728.2%52.3%
D44QGD semi-Slav, 5.Bg5 dc44533.3%49.0%
B05Alekhine's defence, modern, Flohr variation44229.9%64.9%
A12English, London defensive system44131.1%50.7%
A12English, Torre defensive system44034.1%52.7%
A07Reti, King's Indian attack (with ...c5)43825.3%48.5%
D22QGA, Alekhine defence43734.8%58.4%
B44Sicilian defence43629.8%53.0%
C60Ruy Lopez, Cozio defence43628.7%57.5%
E16Queen's Indian, Riumin variation43332.1%55.3%
E16Queen's Indian, Capablanca variation43033.3%57.6%
E25Nimzo-Indian, Saemisch, Keres variation42729.5%51.8%
A26English, Botvinnik system42524.9%48.7%
C46Four knights, Italian variation42529.2%49.2%
A01Nimzovich-Larsen attack, English variation42427.8%51.2%
B04Alekhine's defence, modern variation42423.3%61.7%
D49QGD semi-Slav, Meran, Sozin variation42140.1%49.0%
B02Alekhine's defence, Scandinavian variation42028.3%56.5%
B44Sicilian, Szen, hedgehog variation41930.8%48.3%
A77Benoni, classical, 9...Re8, 10.Nd241824.6%56.1%
B75Sicilian, dragon, Yugoslav attack41628.8%52.4%
C77Ruy Lopez, Morphy defence41433.3%54.6%
C16French, Winawer, Petrosian variation41325.2%54.0%
C22Centre game, Berger variation41226.5%53.3%
C63Ruy Lopez, Schliemann defence41227.4%57.2%
C15French, Winawer, Alekhine (Maroczy) gambit41130.4%56.8%
D81Gruenfeld, Russian variation40935.0%54.9%
A56Czech Benoni, King's Indian system40719.9%60.3%
C23Bishop's opening40724.3%52.9%
A35English, symmetrical variation40227.9%57.2%
C61Ruy Lopez, Bird's defence40130.7%57.5%
A58Benko gambit, fianchetto variation39929.8%55.3%
C02French, advance, Wade variation39727.7%54.7%
E10Blumenfeld counter-gambit, Dus-Chotimursky variation39728.2%55.9%
C28Vienna game39629.8%51.3%
B23Sicilian, closed, Korchnoi variation39532.9%48.6%
D15QGD Slav, Slav gambit39525.1%46.7%
D35QGD, exchange variation39532.2%55.6%
B32Sicilian, Labourdonnais-Loewenthal variation39330.0%54.2%
C87Ruy Lopez, closed, Averbach variation39230.1%57.4%
C50King's pawn game39123.0%54.0%
D66QGD, Orthodox defence, Bd3 line39130.4%55.4%
D16QGD Slav, Steiner variation38928.3%59.1%
D99Gruenfeld defence, Smyslov, main line38930.6%61.8%
D72Neo-Gruenfeld, 5.cd, main line38631.1%52.1%
D44QGD semi-Slav, Botvinnik system (anti-Meran)38324.5%48.0%
A34English, symmetrical, Rubinstein system38233.5%53.1%
D48QGD semi-Slav, Meran37623.1%47.7%
B36Sicilian, accelerated fianchetto, Gurgenidze variation37538.4%53.9%
D60QGD, Orthodox defence37531.2%58.0%
A17English opening37430.7%53.1%
D06QGD, Marshall defence37228.2%59.8%
E13Queen's Indian, 4.Nc3, main line37225.5%55.8%
D15QGD Slav, 5.e3 (Alekhine variation)36923.6%49.5%
D55QGD, 6.Nf336532.6%58.8%
C26Vienna game36327.3%54.1%
C79Ruy Lopez, Steinitz defence deferred (Russian defence)36332.8%52.5%
D15QGD Slav, Tolush-Geller gambit36025.6%43.6%
D41QGD, Semi-Tarrasch with e336036.9%54.6%
A40Polish defence35925.3%57.5%
B60Sicilian, Richter-Rauzer, Larsen variation35924.8%54.7%
D15QGD Slav accepted35826.8%50.3%
A13English, Wimpey system35631.2%46.8%
C48Four knights, Spanish variation35527.3%52.3%
D97Gruenfeld, Russian, Byrne (Simagin) variation35525.9%50.1%
A92Dutch, stonewall variation35426.6%58.8%
A50Queen's Indian accelerated35329.5%57.5%
D63QGD, Orthodox defence, 7.Rc135234.1%54.0%
D97Gruenfeld, Russian, Szabo (Boleslavsky) variation34928.9%60.6%
A26English, closed system34824.1%51.1%
D15QGD Slav, Schlechter variation34831.0%55.7%
E62King's Indian, fianchetto with ...Nc634825.6%56.8%
C49Four knights, double Ruy Lopez34642.8%57.2%
B33Sicilian, Pelikan, Bird variation34326.2%59.5%
C68Ruy Lopez, exchange variation34225.1%56.7%
D88Gruenfeld, Spassky variation, main line, 10...cd, 11.cd34041.5%51.9%
B37Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg733435.0%52.5%
E62King's Indian, fianchetto, Larsen system33429.0%54.0%
E76King's Indian, Four pawns attack33232.8%59.2%
C02French, advance, Nimzovich system33119.3%46.8%
C96Ruy Lopez, closed, Keres (...Nd7) defence33038.8%60.9%
D24QGA, 4.Nc333031.8%54.1%
D50QGD, 4.Bg533030.9%56.7%
A06Reti, old Indian attack32824.4%52.1%
C73Ruy Lopez, modern Steinitz defence, Alapin variation32727.2%54.6%
C75Ruy Lopez, modern Steinitz defence32727.8%57.6%
A16English, Anglo-Gruenfeld defense32630.4%52.6%
D55QGD, Neo-orthodox variation, 7.Bxf632637.1%51.4%
A54Old Indian, Ukrainian variation, 4.Nf332526.2%54.3%
D10QGD Slav, Winawer counter-gambit32128.3%56.2%
D90Gruenfeld, Flohr variation31635.4%48.7%
D35QGD, exchange, Saemisch variation31528.6%53.7%
C92Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation31333.2%64.9%
B09Pirc, Austrian attack, 6.e531228.8%59.3%
C17French, Winawer, advance, Bogolyubov variation30929.1%56.3%
B42Sicilian, Kan, Swiss cheese variation30727.7%56.5%
C42Petrov, Kaufmann attack30731.9%56.7%
C12French, MacCutcheon variation30630.7%51.3%
C27Vienna game30624.8%51.0%
C77Ruy Lopez, four knights (Tarrasch) variation30631.0%56.0%
D63QGD, Orthodox defence, Swiss, Karlsbad variation30529.2%52.3%
A20English, Nimzovich variation30426.3%53.6%
C45Scotch, Potter variation30434.2%48.4%
C68Ruy Lopez, exchange, Keres variation30435.5%51.3%
C21Centre game30233.4%57.5%
E17Queen's Indian, anti-Queen's Indian system29834.6%54.2%
D16QGD Slav accepted, Alapin variation29721.9%70.5%
E51Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d529734.0%50.3%
A00Polish, Outflank variation29425.2%49.3%
C20King's pawn game29320.1%51.7%
C42Petrov, Cozio (Lasker) attack29332.8%51.5%
C42Petrov, Paulsen attack29327.6%46.6%
C00French, Reti (Spielmann) variation29227.1%55.0%
C46Three knights game29125.8%52.7%
C88Ruy Lopez, Trajkovic counter-attack29126.8%53.3%
E74King's Indian, Averbakh, 6...c529025.9%62.2%
A73Benoni, classical, 9.O-O28924.9%53.6%
C82Ruy Lopez, open, St. Petersburg variation28838.9%59.4%
B02Alekhine's defence, Saemisch attack28623.1%58.4%
A12English, Caro-Kann defensive system28528.1%55.8%
B72Sicilian, dragon, 6.Be328428.5%51.2%
D24QGA, Bogolyubov variation28416.5%47.4%
E20Nimzo-Indian defence28329.7%46.6%
B41Sicilian, Kan variation28229.1%54.6%
B00KP, Nimzovich defence, Bogolyubov variation28118.1%56.0%
D62QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)28142.3%50.4%
B98Sicilian, Najdorf, 7...Be728025.0%53.6%
C86Ruy Lopez, Worrall attack, sharp line28032.9%50.0%
D28QGA, classical, 7...b527834.2%55.2%
D11QGD Slav, Breyer variation27728.9%53.8%
E15Queen's Indian, 4.g3 Bb727629.3%54.5%
A93Dutch, stonewall, Botwinnik variation27528.4%60.0%
C29Vienna gambit27430.7%49.3%
D30QGD Slav, Semmering variation27433.6%50.7%
B02Alekhine's defence, Maroczy variation27222.8%47.4%
D22QGA, Haberditz variation27234.6%58.5%
B25Sicilian, closed26930.9%50.0%
A19English, Mikenas-Carls, Sicilian variation26828.4%55.6%
C47Four knights, Belgrade gambit26825.7%43.8%
C52Evans gambit26826.1%38.8%
B74Sicilian, dragon, classical, 9.Nb326738.2%49.8%
C19French, Winawer, advance, Smyslov variation26725.8%59.0%
C98Ruy Lopez, closed, Chigorin, 12...Nc626426.9%63.8%
B86Sicilian, Sozin attack26327.4%44.9%
D16QGD Slav, Soultanbeieff variation26238.5%56.7%
D94Gruenfeld, Smyslov defence26235.5%52.5%
C70Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation26026.5%54.8%
B13Caro-Kann, Panov-Botvinnik, normal variation25935.9%48.8%
C86Ruy Lopez, Worrall attack, solid line25630.9%51.0%
A00Grob's attack25421.7%47.0%
A07Reti, King's Indian attack, Pachman system25423.2%52.2%
B85Sicilian, Scheveningen, classical25338.7%52.6%
C58Two knights defence25325.3%56.5%
C93Ruy Lopez, closed, Smyslov defence25333.6%57.9%
C20KP, Indian opening25227.0%50.0%
C40Gunderam defence25122.7%63.1%
D08QGD, Albin counter-gambit25135.9%53.0%
C34KGA, Fischer defence25023.6%47.4%
D60QGD, Orthodox defence, Botvinnik variation25036.8%52.8%
C73Ruy Lopez, modern Steinitz defence, Richter variation24932.9%51.4%
E65King's Indian, fianchetto, Yugoslav, 7.O-O24931.3%57.4%
E70King's Indian, Kramer system24922.5%53.4%
A83Dutch, Staunton gambit, Staunton's line24826.6%46.8%
B68Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be724828.2%56.5%
C03French, Tarrasch, Guimard variation24823.4%60.9%
C30KGD, classical variation24821.8%46.8%
E77King's Indian, Four pawns attack24833.1%53.2%
B73Sicilian, dragon, classical, 8.O-O24638.2%56.1%
A17English, Queens Indian formation24325.5%52.7%
A60Benoni defence24227.3%52.9%
E08Catalan, closed, 7.Qc224231.0%54.8%
E40Nimzo-Indian, 4.e324126.6%53.5%
E93King's Indian, Petrosian system, main line24024.2%55.4%
C50Giuoco Pianissimo, Canal variation23830.3%51.3%
D46QGD semi-Slav, Romih variation23827.7%64.3%
C44Ponziani counter-gambit23720.3%52.3%
D71Neo-Gruenfeld, 5.cd23739.7%55.7%
E94King's Indian, orthodox, Donner variation23727.8%56.1%
D94Gruenfeld, Makogonov variation23332.6%51.1%
C36KGA, Abbazia defence, modern variation23232.8%44.8%
E83King's Indian, Saemisch, Panno formation23023.9%52.4%
D14QGD Slav, exchange, Trifunovic variation22839.9%51.5%
D44QGD semi-Slav, anti-Meran, Szabo variation22820.2%40.4%
B13Caro-Kann, exchange, Rubinstein variation22633.2%55.1%
D52QGD, Cambridge Springs defence, Rubinstein variation22631.9%55.3%
C65Ruy Lopez, Berlin defence, 4.O-O22426.8%62.5%
C84Ruy Lopez, closed, centre attack22432.6%50.2%
A91Dutch defence22133.5%52.9%
E24Nimzo-Indian, Saemisch variation22032.7%49.5%
A86Dutch with c4 & g321926.0%62.3%
D70Neo-Gruenfeld (Kemeri) defence21940.6%55.5%
E31Nimzo-Indian, Leningrad, main line21921.5%45.9%
D31QGD, Janowski variation21737.8%54.8%
D63QGD, Orthodox defence, Swiss (Henneberger) variation21729.0%50.9%
B73Sicilian, dragon, classical, Richter variation21636.1%49.5%
E96King's Indian, orthodox, 7...Nbd7, main line21632.9%59.0%
A86Dutch, Leningrad variation21432.2%60.0%
B98Sicilian, Najdorf variation21424.8%49.3%
D94Gruenfeld, Opovcensky variation21337.6%49.3%
E10Dzindzikhashvili defence21226.9%59.2%
D48QGD semi-Slav, Meran, old main line21034.3%56.7%
E32Nimzo-Indian, classical, Adorjan gambit21027.6%55.7%
A00Ware (Meadow Hay) opening20921.5%47.1%
C42Petrov, classical attack, close variation20929.7%54.5%
A54Old Indian, Ukrainian variation20830.8%51.4%
A80Dutch, Krejcik gambit20832.2%45.0%
D25QGA, Smyslov variation20831.3%57.9%
D35QGD, 3...Nf620832.7%44.2%
C47Four knights, Scotch, Krause variation20733.3%52.9%
E67King's Indian, fianchetto with ...Nd720729.0%62.3%
A79Benoni, classical, 11.f320521.0%66.6%
E10Blumenfeld counter-gambit accepted20523.4%53.7%
D59QGD, Tartakower variation20446.1%41.2%
A65Benoni, 6.e420323.6%59.6%
B74Sicilian, dragon, classical, Reti-Tartakower variation20334.5%52.2%
E92King's Indian, Petrosian system20319.2%57.4%
C71Ruy Lopez, modern Steinitz defence, Duras (Keres) variation20131.8%53.2%
C15French, Winawer, Alekhine gambit, Kan variation20034.0%49.0%
C40QP counter-gambit (elephant gambit)20018.0%63.5%
B82Sicilian, Scheveningen, Tal variation19919.1%59.8%
C92Ruy Lopez, closed, Kholmov variation19926.6%59.0%
E46Nimzo-Indian, 4.e3 O-O19836.9%51.3%
A98Dutch, Ilyin-Genevsky variation with Qc219726.9%60.2%
B01Scandinavian gambit19731.0%45.9%
C30King's gambit19728.9%56.6%
C59Two knights defence, Steinitz variation19727.4%57.9%
A28English, Bradley Beach variation19628.6%44.4%
B04Alekhine's defence, modern, Keres variation19633.2%62.0%
C77Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)19631.1%51.3%
E64King's Indian, fianchetto, Yugoslav system19624.0%56.9%
B42Sicilian, Kan, Gipslis variation19528.7%56.9%
C44Ponziani opening19525.1%56.2%
C83Ruy Lopez, open, classical defence19337.8%57.8%
D87Gruenfeld, exchange, Seville variation19339.4%64.8%
A45Paleface attack19119.9%41.4%
A97Dutch, Ilyin-Genevsky, Winter variation19135.1%64.7%
B00St. George (Baker) defence19121.5%54.2%
B40Sicilian, Pin, Koch variation19122.5%72.0%
E07Catalan, closed, 6...Nbd719129.3%52.9%
A64Benoni, fianchetto, 11...Re818926.5%52.9%
C44Scotch, Goering gambit18931.2%50.5%
A94Dutch, stonewall with Ba318835.6%54.0%
B00Reversed Grob (Borg/Basman defence/macho Grob)18816.5%54.5%
B03Alekhine's defence, four pawns attack, 7.Be318828.7%64.4%
D64QGD, Orthodox defence, Rubinstein attack (with Rc1)18741.7%57.8%
A41Robatsch defence, Rossolimo variation18627.4%54.0%
B62Sicilian, Richter-Rauzer, 6...e618626.3%48.1%
D67QGD, Orthodox defence, Bd3 line, 11.O-O18631.2%62.4%
B27Sicilian, Katalimov variation18425.0%54.9%
A21English, Troeger defence18229.1%54.1%
A18English, Mikenas-Carls, Flohr variation18131.5%59.4%
C12French, MacCutcheon, Janowski variation18125.4%59.1%
D23Queen's gambit accepted18129.8%49.7%
C59Two knights defence18026.1%47.5%
A43Old Benoni, Franco-Benoni defence17926.3%62.8%
A28English, four knights, Stean variation17824.7%55.6%
C46Three knights, Steinitz variation17820.8%53.7%
A36English, symmetrical variation17626.1%49.4%
E25Nimzo-Indian, Saemisch, Romanovsky variation17642.0%48.9%
C48Four knights, Spanish, classical defence17428.2%52.6%
A45Blackmar-Diemer gambit17327.7%54.3%
C54Giuoco Piano17226.7%57.0%
E62King's Indian, fianchetto, Simagin variation17128.7%67.5%
E76King's Indian, Four pawns attack, dynamic line17132.2%50.0%
C70Ruy Lopez, Cozio defence deferred17034.7%52.6%
C30KGD, classical, 4.c316926.0%60.9%
A38English, symmetrical, main line with d316835.7%50.6%
A75Benoni, classical with ...a6 and 10...Bg416828.0%54.5%
C55Two knights defence16827.4%47.6%
A01Nimzovich-Larsen attack, Dutch variation16721.0%50.6%
A82Dutch, Staunton gambit16730.5%41.0%
B52Sicilian, Canal-Sokolsky attack, Bronstein gambit16627.1%43.1%
C66Ruy Lopez, Berlin defence, hedgehog variation16539.4%53.0%
E82King's Indian, Saemisch, double fianchetto variation16529.7%59.7%
A04Reti, Pirc-Lisitsin gambit16422.0%59.8%
C60Ruy Lopez (Spanish opening)16422.6%52.7%
B83Sicilian, modern Scheveningen, main line with Nb316323.9%50.0%
E22Nimzo-Indian, Spielmann variation16235.2%54.0%
A36English, symmetrical, Botvinnik system reversed16128.0%50.0%
B59Sicilian, Boleslavsky variation, 7.Nb316139.8%54.0%
C40Latvian counter-gambit16025.6%61.6%
B02Alekhine's defence, Two pawns' (Lasker's) attack15941.5%47.8%
C69Ruy Lopez, exchange variation, Alapin gambit15932.1%53.1%
C42Petrov, Italian variation15719.1%51.0%
C43Petrov, modern (Steinitz) attack15724.2%60.5%
E62King's Indian, fianchetto variation15728.7%54.5%
E37Nimzo-Indian, classical, Noa variation, main line, 7.Qc215632.1%59.6%
B01Scandinavian defence, Lasker variation15427.3%63.6%
C33KGA, bishop's gambit15421.4%52.9%
B32Sicilian, Flohr variation15328.1%56.5%
C05French, Tarrasch, Botvinnik variation15324.2%57.8%
E07Catalan, closed, Botvinnik variation15324.2%60.5%
D56QGD, Lasker defence, Teichmann variation15233.6%60.2%
E50Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d515232.2%57.6%
A05Reti, King's Indian attack, Reti-Smyslov variation15127.8%50.3%
B40Sicilian, Pin variation (Sicilian counter-attack)15122.5%54.3%
C29Vienna gambit, Breyer variation15134.4%55.0%
E61King's Indian, Smyslov system15026.7%49.3%
A47Queen's Indian, Marienbad system14930.2%50.0%
C75Ruy Lopez, modern Steinitz defence, Rubinstein variation14933.6%59.1%
D26QGA, classical, Steinitz variation14946.3%59.4%
E60King's Indian, Anti-Gruenfeld14922.8%47.7%
E26Nimzo-Indian, Saemisch variation14826.4%49.0%
A12English, Caro-Kann defensive system, Bogolyubov variation14723.8%50.0%
A06Santasiere's folly14635.6%47.9%
C71Ruy Lopez, modern Steinitz defence14628.8%52.1%
B79Sicilian, dragon, Yugoslav attack, 12.h414531.0%64.5%
D09QGD, Albin counter-gambit, 5.g314533.1%57.2%
C53Giuoco Piano, Bird's attack14426.4%52.1%
C30KGD, Mafia defence14325.2%64.3%
D86Gruenfeld, exchange, Simagin's improved variation14333.6%54.5%
C50Giuoco Piano, four knights variation14228.2%51.4%
E33Nimzo-Indian, classical, 4...Nc614223.2%61.6%
C11French, Swiss variation14131.2%44.7%
C26Vienna, Falkbeer variation14117.0%51.1%
D68QGD, Orthodox defence, classical variation14136.2%55.0%
E60Queen's pawn, Mengarini attack14124.8%50.7%
A00Lasker simul special14027.9%46.8%
D33QGD, Tarrasch, Prague variation14032.9%60.0%
A43Old Benoni, Mujannah formation13920.9%63.7%
B04Alekhine's defence, modern, Schmid variation13929.5%65.8%
B96Sicilian, Najdorf, Polugayevsky variation13826.1%52.2%
A51Budapest, Fajarowicz variation13727.7%62.0%
D16QGD Slav, Smyslov variation13726.3%59.1%
D28QGA, classical, 7.Qe213740.9%56.2%
E29Nimzo-Indian, Saemisch, main line13630.9%58.8%
A16English, Anglo-Gruenfeld, Czech defense13530.4%66.3%
A71Benoni, classical, 8.Bg513525.9%53.7%
C74Ruy Lopez, Siesta, Kopayev variation13527.4%53.0%
C49Four knights13435.1%50.4%
E99King's Indian, orthodox, Aronin-Taimanov, main line13422.4%53.7%
A80Dutch, Manhattan (Alapin, Ulvestad) variation13323.3%53.8%
C48Four knights, Rubinstein counter-gambit, exchange variation13342.1%48.9%
E53Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd713339.1%54.9%
E70King's Indian, accelerated Averbakh system13327.1%50.4%
A63Benoni, fianchetto, 9...Nbd713225.8%59.1%
A76Benoni, classical, 9...Re813215.9%59.5%
C50Hungarian defence13137.4%53.8%
C51Evans gambit, Cordel variation13131.3%49.2%
C66Ruy Lopez, closed Berlin defence, Wolf variation13141.2%55.7%
C88Ruy Lopez, closed, 7...d6, 8.d413124.4%38.2%
E10Blumenfeld counter-gambit13127.5%54.2%
E15Queen's Indian, Rubinstein variation13122.9%52.7%
E29Nimzo-Indian, Saemisch, Capablanca variation13040.0%50.8%
C02French, advance, Milner-Barry gambit12925.6%53.1%
D51QGD, 4.Bg5 Nbd712929.5%55.8%
C07French, Tarrasch, Eliskases variation12836.7%50.4%
C27Vienna, Alekhine variation12826.6%44.5%
E79King's Indian, Four pawns attack, main line12845.3%57.0%
C44Ponziani, Caro variation12733.9%50.8%
C46Four knights, Gunsberg variation12729.9%42.5%
C80Ruy Lopez, open (Tarrasch) defence12638.9%48.8%
E25Nimzo-Indian, Saemisch variation12636.5%53.2%
A09Reti accepted, Keres variation12523.2%59.6%
A72Benoni, classical without 9.O-O12528.0%60.4%
E83King's Indian, Saemisch, 6...Nc612519.2%56.8%
E40Nimzo-Indian, 4.e3, Taimanov variation12326.0%52.0%
E90King's Indian, Larsen variation12328.5%55.7%
A13English, Kurajica defence12224.6%50.8%
B15Caro-Kann, Forgacs variation12236.1%54.9%
C94Ruy Lopez, closed, Breyer defence12237.7%53.3%
D35QGD, Harrwitz attack12235.2%51.2%
E53Nimzo-Indian, 4.e3, Keres variation12233.6%47.1%
A92Dutch defence12132.2%59.9%
A92Dutch defence, Alekhine variation12130.6%58.3%
B55Sicilian, Prins variation, Venice attack12137.2%56.6%
C67Ruy Lopez, open Berlin defence, 5...Be712133.1%56.2%
C33KGA, bishop's gambit, Jaenisch variation12025.8%53.8%
E10Doery defence12021.7%45.8%
C23Bishop's opening, Classical variation11918.5%50.4%
D06QGD, symmetrical (Austrian) defence11829.7%57.2%
A00Benko's opening, reversed Alekhine11726.5%50.0%
C22Centre game, Paulsen attack11734.2%50.4%
B27Sicilian defence11629.3%59.5%
B80Sicilian, Scheveningen, Vitolins variation11619.0%44.8%
D95Gruenfeld, Botvinnik variation11631.0%44.0%
E73King's Indian, 5.Be211621.6%49.6%
B10Caro-Kann, Goldman (Spielmann) variation11522.6%48.7%
B25Sicilian, closed, 6.f4 e5 (Botvinnik)11524.3%47.8%
C44Ponziani, Steinitz variation11538.3%53.9%
D63QGD, Orthodox defence11526.1%57.4%
E46Nimzo-Indian, Simagin variation11529.6%48.7%
C34KGA, Schallop defence11421.1%50.9%
D67QGD, Orthodox defence, Bd3 line, Alekhine variation11448.2%63.6%
E12Queen's Indian, 4.Nc3, Botvinnik variation11428.9%49.6%
B72Sicilian, dragon, classical attack11332.7%55.3%
D49QGD semi-Slav, Meran, Rabinovich variation11340.7%61.1%
D83Gruenfeld, Gruenfeld gambit, Capablanca variation11344.2%57.5%
A18English, Mikenas-Carls variation11224.1%56.7%
A90Dutch-Indian, Alekhine variation11230.4%49.1%
C39KGA, Kieseritsky, Kolisch defence11233.0%49.6%
C35KGA, Cunningham defence11121.6%45.0%
C66Ruy Lopez, Berlin defence, 4.O-O, d611140.5%54.5%
D46QGD semi-Slav, 6.Bd311128.8%51.4%
A61Benoni, Uhlmann variation11029.1%50.9%
A80Dutch, Korchnoi attack11031.8%53.2%
C20Alapin's opening11023.6%48.2%
C52Evans gambit, Tartakower attack11022.7%50.5%
D64QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation11038.2%49.1%
C55Two knights, Max Lange attack10922.9%48.2%
C77Ruy Lopez, Morphy defence, Duras variation10932.1%48.2%
C00Lengfellner system10827.8%61.1%
C51Evans gambit declined, 5.a410828.7%47.7%
A41Modern defence10728.0%55.1%
C23Bishop's opening, Philidor counter-attack10735.5%58.9%
D89Gruenfeld, Spassky variation, main line, 13.Bd310732.7%53.7%
E28Nimzo-Indian, Saemisch variation10731.8%54.2%
A25English, closed system (without ...d6)10624.5%49.1%
D00Queen's pawn, stonewall attack10627.4%48.6%
E17Queen's Indian, Euwe variation10635.8%60.4%
C44Scotch gambit10526.7%50.5%
B18Caro-Kann, classical, Flohr variation10437.5%59.1%
E90King's Indian, Zinnowitz variation10429.8%52.4%
C41Philidor, Nimzovich, Rellstab variation10332.0%63.6%
E10Blumenfeld counter-gambit, Spielmann variation10320.4%53.9%
C67Ruy Lopez, open Berlin defence, l'Hermet variation10235.3%43.1%
E02Catalan, open, 5.Qa410240.2%59.3%
B06Robatsch defence, three pawns attack10016.0%55.0%
B25Sicilian, closed, 6.Ne2 e5 (Botvinnik)10020.0%53.0%
C17French, Winawer, advance variation10025.0%60.5%
C55Two knights, Max Lange attack, Schlechter variation10033.0%47.5%
C78Ruy Lopez, ...b5 & ...d610027.0%47.5%
B03Alekhine's defence, four pawns attack9931.3%59.1%
B12Caro-Kann, advance, Short variation9919.2%66.2%
B27Sicilian, Quinteros variation9818.4%59.2%
B84Sicilian, Scheveningen, classical, Nd7 system9825.5%53.6%
C81Ruy Lopez, open, Howell attack9738.1%58.2%
C86Ruy Lopez, Worrall attack9726.8%57.7%
B77Sicilian, dragon, Yugoslav attack, 9.Bc49630.2%53.6%
B98Sicilian, Najdorf, Browne variation9632.3%57.8%
C42Petrov, classical attack, Mason variation9639.6%63.5%
D29QGA, classical, Smyslov variation9628.1%54.7%
A69Benoni, four pawns attack, main line9532.6%42.6%
B71Sicilian, dragon, Levenfish variation9536.8%46.8%
C14French, classical, Alapin variation9537.9%58.9%
E17Queen's Indian, 5.Bg2 Be79533.7%49.5%
C40Greco defence9418.1%64.4%
D15QGD Slav, Suechting variation9419.1%52.1%
C65Ruy Lopez, Berlin defence, Nyholm attack9335.5%53.2%
D84Gruenfeld, Gruenfeld gambit accepted9326.9%66.1%
A24English, Bremen system with ...g69227.2%59.2%
C13French, Albin-Alekhine-Chatard attack, Breyer variation9228.3%55.4%
C41Philidor, Nimzovich (Jaenisch) variation9231.5%48.4%
C70Ruy Lopez, Caro variation9228.3%53.3%
A02Bird, From gambit9127.5%46.7%
B20Sicilian, wing gambit9123.1%46.7%
C49Four knights, symmetrical, Maroczy system9138.5%53.3%
A92Dutch, stonewall with Nc39028.9%60.0%
C82Ruy Lopez, open, Dilworth variation9026.7%52.2%
D00Blackmar gambit9028.9%42.2%
D49QGD semi-Slav, Meran, Stahlberg variation9032.2%51.7%
B72Sicilian, dragon, classical, Nottingham variation8930.3%45.5%
C82Ruy Lopez, open, Italian variation8931.5%61.8%
D51QGD, 5...c68928.1%59.0%
D52QGD, Cambridge Springs defence8948.3%48.9%
E81King's Indian, Saemisch, Byrne variation8930.3%51.1%
A78Benoni, classical with ...Re8 and ...Na68834.1%53.4%
C00French, Pelikan variation8826.1%49.4%
B02Alekhine's defence, Brooklyn defence8721.8%61.5%
A59Benko gambit8632.6%64.0%
D27QGA, classical, Geller variation8632.6%43.0%
D32QGD, Tarrasch, von Hennig-Schara gambit8630.2%58.1%
A81Dutch defence, Blackburne variation8531.8%61.8%
C33KGA, bishop's gambit, Steinitz defence8528.2%45.9%
C41Philidor, Hanham variation8537.6%60.0%
C43Petrov, modern attack, Trifunovic variation8534.1%51.2%
C82Ruy Lopez, open, Motzko attack8538.8%52.4%
D68QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)8536.5%58.2%
C31KGD, Falkbeer counter-gambit8321.7%49.4%
C34King's knight's gambit8315.7%47.6%
C00French, Reversed Philidor formation8229.3%40.2%
C96Ruy Lopez, closed, Borisenko defence8228.0%57.9%
D25QGA, Flohr variation8229.3%63.4%
A28English, Nenarokov variation8032.5%45.0%
C20KP, Mengarini's opening8017.5%55.0%
D41QGD, Semi-Tarrasch, San Sebastian variation8025.0%68.8%
E89King's Indian, Saemisch, orthodox main line8026.3%61.9%
A52Budapest defence7925.3%54.4%
A57Benko gambit, Zaitsev system7927.8%51.9%
C44Scotch, Lolli variation7917.7%51.9%
C57Two knights defence, Fegatello attack7936.7%46.2%
C95Ruy Lopez, closed, Breyer, Simagin variation7944.3%62.7%
B01Scandinavian, Icelandic gambit7832.1%49.4%
C56Two knights defence7834.6%50.6%
C70Ruy Lopez7828.2%53.8%
E85King's Indian, Saemisch, orthodox variation7830.8%56.4%
A12English, Capablanca's variation7729.9%48.7%
A16English, Anglo-Gruenfeld, Smyslov defense7739.0%59.7%
B03Alekhine's defence, four pawns attack, 6...Nc67720.8%54.5%
C41Philidor, Larsen variation7724.7%68.2%
C49Four knights, Nimzovich (Paulsen) variation7744.2%53.2%
C57Two knights defence, Wilkes Barre (Traxler) variation7715.6%62.3%
C68Ruy Lopez, exchange, Alekhine variation7732.5%43.5%
C95Ruy Lopez, closed, Breyer, Gligoric variation7719.5%65.6%
D40QGD, Semi-Tarrasch, symmetrical variation7733.8%49.4%
A00Amar (Paris) opening7622.4%41.4%
C25Vienna game, Max Lange defence7623.7%48.7%
B03Alekhine's defence, four pawns attack, Trifunovic variation7425.7%65.5%
C17French, Winawer, advance, Russian variation7427.0%48.6%
D95Gruenfeld with e3 & Qb37436.5%49.3%
D97Gruenfeld, Russian variation with e47431.1%50.7%
A00Polish, Tuebingen variation7321.9%52.1%
C25Vienna gambit7327.4%53.4%
C74Ruy Lopez, modern Steinitz defence7338.4%57.5%
D12QGD Slav, Amsterdam variation7335.6%47.9%
B29Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit7236.1%56.9%
C58Two knights defence, Bogolyubov variation7219.4%55.6%
C35KGA, Cunningham, Euwe defence7132.4%50.0%
C40QP counter-gambit, Maroczy gambit7125.4%62.0%
C44King's pawn game7126.8%47.2%
D01Richter-Veresov attack, Richter variation7040.0%42.9%
D83Gruenfeld, Gruenfeld gambit7031.4%50.0%
A52Budapest, Alekhine variation6921.7%48.6%
C01French, exchange, Svenonius variation6937.7%56.5%
C44Scotch opening6926.1%40.6%
D20QGA, Linares variation6929.0%52.2%
A61Benoni, fianchetto variation6825.0%53.7%
B85Sicilian, Scheveningen, classical, Maroczy system6833.8%55.1%
C21Danish gambit6830.9%55.1%
C41Philidor, Hanham, Schlechter variation6826.5%61.8%
D94Gruenfeld, Flohr defence6826.5%54.4%
A00Durkin's attack6717.9%53.7%
C57Two knights defence6720.9%35.8%
C66Ruy Lopez, closed Berlin defence, Showalter variation6747.8%61.2%
D33QGD, Tarrasch, Folkestone (Swedish) variation6737.3%57.5%
B74Sicilian, dragon, classical, Spielmann variation6628.8%53.8%
D67QGD, Orthodox defence, Bd3 line6642.4%51.5%
B00Carr's defence6524.6%53.8%
C13French, Albin-Alekhine-Chatard attack, Spielmann variation6530.8%56.9%
C30KGD, 2...Nf66426.6%52.3%
D34QGD, Tarrasch, Reti variation6439.1%55.5%
D86Gruenfeld, exchange, Simagin's lesser variation6432.8%61.7%
D89Gruenfeld, exchange, Sokolsky variation6434.4%39.1%
B72Sicilian, dragon, classical, Amsterdam variation6338.1%44.4%
C44Ponziani, Leonhardt variation6338.1%49.2%
A44Old Benoni defence6225.8%66.1%
A51Budapest defence declined6224.2%52.4%
C20KP, Lopez opening6235.5%45.2%
C31KGD, Nimzovich counter-gambit6224.2%49.2%
C44Scotch gambit, Benima defence6229.0%51.6%
C51Evans gambit, Stone-Ware variation6222.6%45.2%
C39KGA, Kieseritsky, Berlin defence6114.8%36.9%
D30QGD, Capablanca variation6119.7%47.5%
A04Reti, Lisitsin gambit deferred6020.0%43.3%
C27Boden-Kieseritsky gambit6016.7%50.0%
C44Dresden opening6020.0%45.0%
B41Sicilian, Kan, Maroczy bind - Bronstein variation5928.8%56.8%
A83Dutch, Staunton gambit, Chigorin variation5832.8%68.1%
C39KGA, Kieseritsky, Berlin defence, 6.Bc45831.0%44.8%
C53Giuoco Piano, close variation5831.0%53.4%
C64Ruy Lopez, Cordel gambit5827.6%70.7%
D01Richter-Veresov attack, Veresov variation5819.0%54.3%
A03Bird's opening, Lasker variation5733.3%51.8%
C33KGA, bishop's gambit, Bledow variation5731.6%45.6%
C45Scotch, Steinitz variation5724.6%45.6%
C67Ruy Lopez, Berlin defence, Minckwitz variation5738.6%63.2%
C90Ruy Lopez, closed, Suetin variation5724.6%50.9%
C96Ruy Lopez, closed (8...Na5)5626.8%52.7%
A21English, Smyslov defence5527.3%57.3%
B03Alekhine's defence, four pawns attack, fianchetto variation5538.2%62.7%
B12Caro-Kann, Edinburgh variation5520.0%70.0%
B53Sicilian, Chekhover, Zaitsev variation5523.6%55.5%
A97Dutch, Ilyin-Genevsky variation5429.6%63.0%
C11French, Steinitz, Gledhill attack5438.9%52.8%
C74Ruy Lopez, modern Steinitz defence, siesta variation5429.6%50.0%
D44QGD semi-Slav, Ekstrom variation5422.2%38.9%
D57QGD, Lasker defence, main line5435.2%58.3%
E51Nimzo-Indian, 4.e3, Ragozin variation5450.0%58.3%
E75King's Indian, Averbakh, main line5433.3%48.1%
B07Pirc, bayonet (Mariotti) attack5320.8%53.8%
C14French, classical, Rubinstein variation5320.8%55.7%
C47Four knights, Scotch variation5335.8%59.4%
C06French, Tarrasch, Leningrad variation5217.3%54.8%
C21Halasz gambit5228.8%39.4%
C34KGA, Becker defence5217.3%39.4%
E54Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation5232.7%56.7%
E73King's Indian, Semi-Averbakh system5225.0%54.8%
A12English, New York (London) defensive system5133.3%42.2%
C02French, advance, Nimzovich variation5125.5%28.4%
C12French, MacCutcheon, Chigorin variation5135.3%51.0%
C34KGA, Bonsch-Osmolovsky variation5127.5%43.1%
C41Philidor, Nimzovich, Larobok variation5141.2%34.3%
C44Inverted Hungarian5129.4%50.0%
D44QGD semi-Slav, anti-Meran, Alatortsev system5111.8%60.8%
D99Gruenfeld defence, Smyslov, Yugoslav variation5149.0%59.8%
E27Nimzo-Indian, Saemisch variation5131.4%51.0%
A52Budapest, Alekhine, Abonyi variation5028.0%60.0%
A95Dutch, stonewall: Chekhover variation5036.0%56.0%
C00French, Steinitz attack5036.0%52.0%
C00French, Wing gambit5012.0%44.0%
C33KGA, bishop's gambit, Morphy variation5024.0%48.0%
C48Four knights, Rubinstein counter-gambit, Henneberger variation5036.0%62.0%
C92Ruy Lopez, closed, Keres (9...a5) variation5022.0%59.0%
D40QGD, Semi-Tarrasch defence, Pillsbury variation5040.0%52.0%
A17English, Queens Indian, Romanishin variation4936.7%46.9%
B22Sicilian, 2.c3, Heidenfeld variation4926.5%43.9%
C30KGD, Keene's defence4924.5%49.0%
C70Ruy Lopez, Schliemann defence deferred4918.4%56.1%
C00French, Alapin variation4814.6%46.9%
C10French, Frere (Becker) variation4822.9%55.2%
C44Inverted Hanham4827.1%49.0%
C88Ruy Lopez, closed, 8.c34825.0%50.0%
D54QGD, Anti-neo-orthodox variation4829.2%52.1%
E72King's Indian with e4 & g34831.3%55.2%
A18English, Mikenas-Carls, Kevitz variation4717.0%55.3%
B07Pirc, Holmov system4729.8%53.2%
C49Four knights, symmetrical, Pillsbury variation4725.5%42.6%
C80Ruy Lopez, open, 6.d44727.7%60.6%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc4731.9%60.6%
B58Sicilian, Boleslavsky, Louma variation4628.3%55.4%
C13French, classical, Anderssen variation4621.7%39.1%
C43Petrov, Urusov gambit468.7%45.7%
C67Ruy Lopez, Berlin defence, Cordel variation4637.0%59.8%
B96Sicilian, Najdorf, Polugayevsky, Simagin variation4520.0%52.2%
C33KGA, bishop's gambit, Bogolyubov variation4517.8%46.7%
C41Philidor, Nimzovich, Sozin variation4517.8%48.9%
D21QGA, Alekhine defense, Borisenko-Furman variation4528.9%38.9%
D52QGD, Cambridge Springs defence, Capablanca variation4537.8%52.2%
A12English, Bled variation4431.8%59.1%
B02Alekhine's defence, Welling variation4422.7%47.7%
C44Scotch, Relfsson gambit ('MacLopez')4411.4%44.3%
C67Ruy Lopez, Berlin defence, Rosenthal variation4440.9%56.8%
D31QGD, Alapin variation4415.9%42.0%
E21Nimzo-Indian, three knights, Korchnoi variation4434.1%60.2%
A25English, closed, Hort variation4332.6%51.2%
B03Alekhine's defence, Balogh variation4320.9%59.3%
B57Sicilian, Magnus Smith trap4327.9%53.5%
C33KGA, Keres (Mason-Steinitz) gambit439.3%44.2%
C42Petrov, Cochrane gambit4314.0%46.5%
C42Petrov, Damiano variation4330.2%54.7%
D05Queen's pawn game, Zukertort variation4332.6%55.8%
B88Sicilian, Sozin, Fischer variation4250.0%51.2%
C27Vienna, `Frankenstein-Dracula' variation4226.2%56.0%
C45Scotch, Meitner variation4235.7%53.6%
E99King's Indian, orthodox, Aronin-Taimanov, Benko attack4231.0%44.0%
B62Sicilian, Richter-Rauzer, Podvebrady variation4134.1%51.2%
C15French, Winawer, fingerslip variation4119.5%56.1%
C32KGD, Falkbeer, 5.de4126.8%50.0%
C80Ruy Lopez, open, Riga variation4129.3%58.5%
E26Nimzo-Indian, Saemisch, O'Kelly variation4126.8%40.2%
E77King's Indian, Four pawns attack, Florentine gambit4129.3%41.5%
A43Woozle defence4015.0%50.0%
B13Caro-Kann, Panov-Botvinnik, Czerniak variation4045.0%60.0%
C57Two knights defence, Ulvestad variation4025.0%57.5%
A00Grob, Fritz gambit3910.3%20.5%
C89Ruy Lopez, Marshall, Herman Steiner variation385.3%52.6%
D51QGD3818.4%64.5%
E30Nimzo-Indian, Leningrad, ...b5 gambit3842.1%42.1%
B10Caro-Kann, Hillbilly attack3735.1%58.1%
C26Vienna, Mengarini variation3735.1%58.1%
C29Vienna gambit, Paulsen attack3737.8%56.8%
C60Ruy Lopez, Cozio defence, Paulsen variation3737.8%54.1%
D66QGD, Orthodox defence, Bd3 line, fianchetto variation3727.0%64.9%
D90Gruenfeld, Schlechter variation3727.0%64.9%
A40Beefeater defence3625.0%59.7%
B50Sicilian, wing gambit deferred3619.4%45.8%
C12French, MacCutcheon, Dr. Olland (Dutch) variation3633.3%55.6%
C21Danish gambit, Soerensen defence3627.8%52.8%
C51Evans gambit, Paulsen variation3611.1%44.4%
C55Two knights defence, Perreux variation3630.6%48.6%
D49QGD semi-Slav, Meran, Rellstab attack3633.3%50.0%
E03Catalan, open, 5.Qa4 Nbd7, 6.Qxc43641.7%56.9%
B74Sicilian, dragon, classical, Alekhine variation3522.9%62.9%
C33KGA, Carrera (Basman) gambit3531.4%41.4%
C33KGA, bishop's gambit, Lopez-Gianutio counter-gambit3522.9%31.4%
D31QGD, semi-Slav, Junge variation3520.0%61.4%
D41QGD, Semi-Tarrasch, Kmoch variation3560.0%58.6%
D48QGD semi-Slav, Meran, Pirc variation3528.6%62.9%
D64QGD, Orthodox defence, Rubinstein attack, Wolf variation3540.0%54.3%
E15Queen's Indian, Buerger variation3528.6%51.4%
A02Bird, From gambit, Lasker variation3414.7%54.4%
C45Scotch, Horwitz attack3438.2%54.4%
C45Scotch, Romanishin variation3426.5%45.6%
C66Ruy Lopez, closed Berlin defence, Bernstein variation3438.2%45.6%
D50QGD, Semi-Tarrasch3452.9%61.8%
E23Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc63423.5%44.1%
E78King's Indian, Four pawns attack, with Be2 and Nf33441.2%50.0%
A25English, closed, Taimanov variation3336.4%45.5%
C41Philidor, Hanham, Steiner variation3330.3%66.7%
C49Four knights, symmetrical, Capablanca variation3342.4%57.6%
C52Evans gambit, compromised defence3312.1%57.6%
D08QGD, Albin counter-gambit, Alapin variation3339.4%59.1%
D52QGD, Cambridge Springs defence, Argentine variation3324.2%48.5%
E24Nimzo-Indian, Saemisch, Botvinnik variation3327.3%47.0%
B15Caro-Kann, Alekhine gambit3250.0%53.1%
B15Caro-Kann, Gurgenidze counter-attack3215.6%60.9%
B20Sicilian, wing gambit, Carlsbad variation3218.8%59.4%
C24Bishop's opening, Urusov gambit3228.1%45.3%
C33KGA, bishop's gambit, Cozio (Morphy) defence3231.3%40.6%
C58Two knights defence, Kieseritsky variation3228.1%54.7%
C65Ruy Lopez, Berlin defence, Duras variation3234.4%45.3%
D00Blackmar-Diemer gambit3215.6%51.6%
D32QGD, Tarrasch defence, 4.cd ed3225.0%50.0%
D53QGD, 4.Bg5 Be7, 5.e3 O-O3237.5%56.3%
A00Gedult's opening3116.1%40.3%
C11French, Henneberger variation3138.7%32.3%
C29Vienna gambit, Steinitz variation3125.8%48.4%
C36KGA, Abbazia defence (classical defence, modern defence[!])3122.6%56.5%
C41Philidor, Nimzovich variation3138.7%54.8%
C45Scotch, Pulling counter-attack3122.6%56.5%
C53Giuoco Piano, centre-holding variation3122.6%62.9%
D18QGD Slav, Dutch, Lasker variation3112.9%67.7%
D45QGD semi-Slav, Rubinstein (anti-Meran) system3135.5%59.7%
A74Benoni, classical, 9...a6, 10.a43033.3%53.3%
C41Philidor, Hanham, Krause variation3030.0%68.3%
C41Philidor, Philidor counter-gambit3016.7%51.7%
D64QGD, Orthodox defence, Rubinstein attack, Karlsbad variation3036.7%41.7%
D94Gruenfeld with e3 Bd33040.0%60.0%
E11Bogo-Indian defence, Monticelli trap3026.7%56.7%
E57Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd3026.7%70.0%
A46Queen's pawn, Torre attack, Wagner gambit2920.7%37.9%
B02Alekhine's defence, Mokele Mbembe (Buecker) variation2924.1%63.8%
B60Sicilian, Richter-Rauzer, Bondarevsky variation2937.9%53.4%
C20KP, Patzer opening2931.0%56.9%
C33KGA, bishop's gambit, Maurian defence2927.6%48.3%
C40Damiano's defence2927.6%55.2%
C48Four knights, Ranken variation2924.1%46.6%
C88Ruy Lopez, closed, Balla variation2937.9%63.8%
C90Ruy Lopez, closed, Lutikov variation2948.3%51.7%
D57QGD, Lasker defence, Bernstein variation2937.9%50.0%
A01Nimzovich-Larsen attack, Polish variation2835.7%53.6%
B32Sicilian, Nimzovich variation2814.3%53.6%
C22Centre game2825.0%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%
D33QGD, Tarrasch, Wagner variation2828.6%60.7%
D45QGD semi-Slav, stonewall defence2817.9%66.1%
D60QGD, Orthodox defence, Rauzer variation2828.6%57.1%
E93King's Indian, Petrosian system, Keres variation2828.6%50.0%
A45Canard opening2718.5%50.0%
B34Sicilian, accelerated fianchetto, exchange variation2733.3%42.6%
B64Sicilian, Richter-Rauzer, Rauzer attack, Geller variation273.7%75.9%
C51Evans gambit declined2733.3%42.6%
C56Two knights defence, Canal variation2748.1%42.6%
C70Ruy Lopez, fianchetto defence deferred2748.1%61.1%
D63QGD, Orthodox defence, Pillsbury attack2744.4%40.7%
E08Catalan, closed, Spassky gambit2722.2%59.3%
A21English, Keres variation2634.6%44.2%
A43Old Benoni, Schmid's system2630.8%50.0%
B01Scandinavian, Mieses-Kotrvc gambit267.7%50.0%
B12de Bruycker defence2638.5%50.0%
B40Sicilian, Marshall variation2615.4%42.3%
C13French, classical, Tartakower variation2626.9%55.8%
A00Novosibirsk opening258.0%48.0%
C13French, classical2512.0%54.0%
C37KGA, Blachly gambit2520.0%30.0%
C46Four knights, Schultze-Mueller gambit2528.0%38.0%
C54Giuoco Piano, Moeller (Therkatz) attack2544.0%38.0%
C60Ruy Lopez, Lucena defence2520.0%46.0%
D50QGD, Semi-Tarrasch, Primitive Pillsbury variation2528.0%38.0%
B13Caro-Kann, Panov-Botvinnik, Herzog defence2429.2%52.1%
B44Sicilian, Szen variation, Dely-Kasparov gambit2441.7%54.2%
C14French, classical variation2412.5%22.9%
C44Konstantinopolsky opening2416.7%45.8%
D51QGD, Manhattan variation2429.2%56.3%
D69QGD, Orthodox defence, classical, 13.de2458.3%50.0%
A00Anti-Borg (Desprez) opening2321.7%58.7%
A06Tennison (Lemberg, Zukertort) gambit2317.4%60.9%
B85Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc62321.7%50.0%
C38KGA, Hanstein gambit2321.7%41.3%
C80Ruy Lopez, open, Schlechter defence2339.1%32.6%
D65QGD, Orthodox defence, Rubinstein attack, main line2334.8%39.1%
D83Gruenfeld, Gruenfeld gambit, Botvinnik variation2365.2%41.3%
D86Gruenfeld, exchange, Larsen variation2330.4%63.0%
C10French, Rubinstein, Capablanca line2236.4%54.5%
C12French, MacCutcheon, Bernstein variation2213.6%56.8%
C31KGD, Falkbeer, Tartakower variation2236.4%72.7%
C33KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit229.1%45.5%
C39KGA, Kieseritsky, Rice gambit2250.0%25.0%
C45Scotch, Blackburne attack2254.5%54.5%
C53Giuoco Piano, Anderssen variation2250.0%52.3%
C83Ruy Lopez, open, 9...Be7, 10.Re12231.8%56.8%
B45Sicilian, Taimanov, American attack2157.1%42.9%
C24Bishop's opening, Ponziani gambit2128.6%38.1%
C49Four knights, Janowski variation2138.1%38.1%
C64Ruy Lopez, classical defence, Charousek variation2123.8%64.3%
D06Queen's Gambit2119.0%57.1%
D32QGD, Tarrasch defence, Marshall gambit2138.1%52.4%
E92King's Indian, classical variation2128.6%47.6%
A22English, Bellon gambit2015.0%42.5%
B05Alekhine's defence, modern, Panov variation2035.0%67.5%
B73Sicilian, dragon, classical, Zollner gambit2035.0%22.5%
C33KGA, Breyer gambit2040.0%30.0%
C39KGA, Kieseritsky, Salvio (Rosenthal) defence2055.0%52.5%
C57Two knights defence, Lolli attack2020.0%55.0%
C78Ruy Lopez, Wing attack2045.0%62.5%
C82Ruy Lopez, open, Berlin variation2030.0%60.0%
D97Gruenfeld, Russian, Levenfish variation2020.0%55.0%
A10English, Jaenisch gambit1921.1%68.4%
A83Dutch, Staunton gambit, Alekhine variation1931.6%63.2%
B01Scandinavian, Richter variation1926.3%71.1%
B31Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation1931.6%47.4%
C23Bishop's opening, Philidor variation1926.3%55.3%
C31KGD, Falkbeer, 4.d31931.6%68.4%
C41Philidor, Boden variation1910.5%52.6%
C41Philidor, Philidor counter-gambit, Zukertort variation1931.6%57.9%
C42Petrov, classical attack, Berger variation1936.8%55.3%
C53Giuoco Piano, LaBourdonnais variation1942.1%63.2%
C60Ruy Lopez, Nuernberg variation1936.8%44.7%
C80Ruy Lopez, open, 8.de1921.1%52.6%
E20Nimzo-Indian, Mikenas attack1926.3%34.2%
A03Bird's opening, Williams gambit1816.7%58.3%
A82Dutch, Staunton gambit, Tartakower variation1816.7%47.2%
A84Dutch, Staunton gambit deferred1827.8%41.7%
B00Barnes defence1816.7%63.9%
B02Alekhine's defence, Krejcik variation1827.8%36.1%
B21Sicilian, Andreaschek gambit1844.4%61.1%
B23Sicilian, Grand Prix attack, Schofman variation1827.8%30.6%
C25Vienna, Pierce gambit1816.7%36.1%
C51Evans gambit declined, Showalter variation1838.9%47.2%
C65Ruy Lopez, Berlin defence, Mortimer variation1811.1%66.7%
C79Ruy Lopez, Steinitz defence deferred, Lipnitsky variation1844.4%50.0%
D35QGD, exchange, chameleon variation1827.8%63.9%
A45Queen's pawn, Bronstein gambit1711.8%47.1%
B09Pirc, Austrian attack, Ljubojevic variation1723.5%70.6%
B15Caro-Kann, Rasa-Studier gambit1723.5%35.3%
C23Bishop's opening, Calabrese counter-gambit, Jaenisch variation1711.8%64.7%
C43Petrov, modern attack, Bardeleben variation1717.6%67.6%
C45Scotch, Paulsen attack1735.3%35.3%
C45Scotch, Tartakower variation1735.3%52.9%
C57Two knights defence, Fritz, Gruber variation1735.3%52.9%
C81Ruy Lopez, open, Howell attack, Ekstroem variation1752.9%61.8%
E23Nimzo-Indian, Spielmann, Karlsbad variation1729.4%38.2%
A00Global opening1618.8%71.9%
A16English, Anglo-Gruenfeld defense, Korchnoi variation1631.3%65.6%
A58Benko gambit, Nd2 variation1631.3%46.9%
B00KP, Colorado counter1631.3%59.4%
B02Alekhine's defence, Spielmann variation1631.3%59.4%
B03Alekhine's defence, O'Sullivan gambit166.3%59.4%
B27Sicilian, Stiletto (Althouse) variation1612.5%68.8%
C13French, classical, Frankfurt variation1618.8%84.4%
C14French, classical, Pollock variation1612.5%43.8%
C20KP, King's head opening1631.3%59.4%
C41Philidor, Steinitz variation1631.3%53.1%
C44Ponziani, Reti variation166.3%53.1%
C48Four knights, Rubinstein counter-gambit, Bogolyubov variation1631.3%53.1%
C52Evans gambit, compromised defence, Paulsen variation1625.0%68.8%
C61Ruy Lopez, Bird's defence, Paulsen variation1631.3%46.9%
D50QGD, Been-Koomen variation1631.3%46.9%
D51QGD, Capablanca anti-Cambridge Springs variation1631.3%59.4%
E60King's Indian, 3.g3, counterthrust variation1631.3%46.9%
E60King's Indian, Danube gambit1631.3%53.1%
B01Scandinavian defence, Gruenfeld variation1540.0%53.3%
C03French, Tarrasch, Haberditz variation1513.3%66.7%
C20KP, Napoleon's opening1540.0%53.3%
C22Centre game, Hall variation1533.3%43.3%
C41Philidor, Lopez counter-gambit1513.3%80.0%
C42Petrov, French attack1513.3%66.7%
C46Three knights, Schlechter variation1533.3%63.3%
C46Three knights, Steinitz, Rosenthal variation1560.0%56.7%
C67Ruy Lopez, Berlin defence, Zukertort variation1560.0%43.3%
E03Catalan, open, Alekhine variation156.7%43.3%
E36Nimzo-Indian, classical, Botvinnik variation1533.3%56.7%
E72King's Indian, Pomar system1553.3%60.0%
A02Bird's opening, Swiss gambit1414.3%64.3%
A59Benko gambit, 7.e41435.7%67.9%
A59Benko gambit, Ne2 variation1428.6%64.3%
A68Benoni, four pawns attack140.0%42.9%
B12Caro-Masi defence1414.3%50.0%
B24Sicilian, closed, Smyslov variation1435.7%75.0%
B98Sicilian, Najdorf, Goteborg (Argentine) variation1435.7%46.4%
C10French, Marshall variation1435.7%67.9%
C15French, Winawer, Kondratiyev variation1442.9%64.3%
C19French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation1450.0%53.6%
C29Vienna gambit, Bardeleben variation1428.6%28.6%
C30KGD, Norwalde variation1428.6%50.0%
C33KGA, bishop's gambit, Boden defence1414.3%35.7%
C40Latvian, Fraser defence147.1%53.6%
C79Ruy Lopez, Steinitz defence deferred, Rubinstein variation1421.4%67.9%
C89Ruy Lopez, Marshall, Kevitz variation1428.6%42.9%
D33QGD, Tarrasch, Schlechter-Rubinstein system1421.4%46.4%
D51QGD, Alekhine variation1421.4%53.6%
D55QGD, Neo-orthodox variation1457.1%64.3%
A82Dutch, Balogh defence1323.1%50.0%
A83Dutch, Staunton gambit, Lasker variation1323.1%50.0%
B27Sicilian, Acton extension1323.1%57.7%
C13French, classical, Anderssen-Richter variation1315.4%30.8%
C29Vienna gambit, Kaufmann variation1338.5%65.4%
C30KGD, classical, Soldatenkov variation1323.1%57.7%
C37KGA, Quaade gambit137.7%11.5%
C48Four knights, Marshall variation1315.4%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%
C68Ruy Lopez, exchange, Romanovsky variation1323.1%50.0%
C80Ruy Lopez, open, Tartakower variation1338.5%57.7%
C83Ruy Lopez, open, Malkin variation1330.8%69.2%
A00Amar gambit1216.7%50.0%
A57Benko gambit, Nescafe Frappe attack120.0%33.3%
C12French, MacCutcheon, advance variation1241.7%54.2%
C37KGA, Salvio gambit1225.0%45.8%
C41Philidor, Nimzovich, Klein variation128.3%62.5%
C51Evans gambit, normal variation1233.3%41.7%
C57Two knights defence, Fritz variation1233.3%50.0%
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%
B00Corn stalk defence1136.4%81.8%
B13Caro-Kann, Panov-Botvinnik, Gunderam attack1136.4%45.5%
B72Sicilian, dragon, classical, Grigoriev variation1145.5%68.2%
C30KGD, classical, Marshall attack1127.3%50.0%
C33KGA, bishop's gambit, classical defence119.1%22.7%
C33King's gambit accepted1118.2%54.5%
C37KGA, Muzio gambit119.1%13.6%
C43Petrov, modern attack, Steinitz variation1127.3%59.1%
C51Evans gambit, Goering attack1127.3%59.1%
C58Two knights defence, Paoli variation1118.2%81.8%
C65Ruy Lopez, Berlin defence, Kaufmann variation1118.2%45.5%
C70Ruy Lopez, Graz variation1136.4%54.5%
C80Ruy Lopez, open, Bernstein variation, Karpov gambit1163.6%68.2%
D00Blackmar-Diemer, Euwe defence110.0%45.5%
D22QGA, Alekhine defence, Alatortsev variation1145.5%68.2%
E87King's Indian, Saemisch, orthodox, Bronstein variation1127.3%59.1%
B20Sicilian, Gloria variation1020.0%50.0%
B37Sicilian, accelerated fianchetto, Simagin variation1030.0%45.0%
C31KGD, Falkbeer, 3...e41020.0%50.0%
C33KGA, bishop's gambit, Ruy Lopez defence1050.0%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%
C58Two knights defence, Colman variation100.0%80.0%
C67Ruy Lopez, Berlin defence, Winawer attack1070.0%45.0%
E83King's Indian, Saemisch, Ruban variation1020.0%50.0%
A00Amsterdam attack933.3%50.0%
A00Battambang opening933.3%27.8%
A47Queen's Indian, Marienbad system, Berg variation922.2%55.6%
A54Old Indian, Dus-Khotimirsky variation911.1%72.2%
A70Benoni, classical without 9.O-O922.2%77.8%
B01Scandinavian, Kiel variation911.1%72.2%
C01French, exchange, Bogolyubov variation922.2%33.3%
C12French, MacCutcheon, Grigoriev variation955.6%50.0%
C13French, Albin-Alekhine-Chatard attack, Teichmann variation922.2%88.9%
C17French, Winawer, advance, Rauzer variation955.6%50.0%
C32KGD, Falkbeer, main line, 7...Bf5977.8%38.9%
C38King's knight's gambit911.1%50.0%
C42Petrov, classical attack, Tarrasch variation933.3%83.3%
C51Evans gambit, 5...Be7966.7%33.3%
C55Two knights, Max Lange attack, Steinitz variation911.1%61.1%
C60Ruy Lopez, Vinogradov variation933.3%50.0%
D53QGD, Lasker variation922.2%66.7%
E14Queen's Indian, Averbakh variation933.3%38.9%
E77King's Indian, Four pawns attack, 6.Be2933.3%50.0%
A40Queen's pawn, Charlick (Englund) gambit812.5%68.8%
B00Fred80.0%87.5%
B02Alekhine's defence, Steiner variation825.0%37.5%
B05Alekhine's defence, modern, Vitolins attack850.0%25.0%
B18Caro-Kann, classical, Maroczy attack850.0%62.5%
B71Sicilian, dragon, Levenfish; Flohr variation812.5%56.3%
C14French, classical, Tarrasch variation850.0%62.5%
C31KGD, Falkbeer, Morphy gambit850.0%62.5%
C33KGA, bishop's gambit, Paulsen attack812.5%43.8%
C41Philidor, Hanham, Delmar variation850.0%75.0%
C67Ruy Lopez, Berlin defence, Rio de Janeiro variation850.0%75.0%
C80Ruy Lopez, open, Friess attack850.0%37.5%
C82Ruy Lopez, open, Motzko attack, Nenarokov variation850.0%37.5%
D43QGD semi-Slav, Hastings variation825.0%25.0%
E21Nimzo-Indian, three knights, Euwe variation837.5%56.3%
A03Mujannah opening70.0%42.9%
A42Modern defence, Averbakh system, Randspringer variation728.6%28.6%
A81Dutch, Leningrad, Karlsbad variation742.9%64.3%
A83Dutch, Staunton gambit, Nimzovich variation714.3%50.0%
C13French, Albin-Alekhine-Chatard attack, Maroczy variation728.6%28.6%
C15French, Winawer, Alekhine gambit70.0%71.4%
C22Centre game, Charousek variation714.3%50.0%
C23Bishop's opening, Lewis gambit728.6%42.9%
C25Vienna, Steinitz gambit, Fraser-Minckwitz variation714.3%50.0%
C31KGD, Falkbeer, Nimzovich variation70.0%42.9%
C33KGA, Villemson (Steinitz) gambit728.6%42.9%
C44Tayler opening728.6%28.6%
C48Four knights, Bardeleben variation728.6%57.1%
C57Two knights defence, Pincus variation742.9%64.3%
C62Ruy Lopez, old Steinitz defence, semi-Duras variation742.9%78.6%
C70Ruy Lopez, Alapin's defence deferred70.0%42.9%
C80Ruy Lopez, open, Zukertort variation714.3%50.0%
D32QGD, Tarrasch defence, Tarrasch gambit728.6%42.9%
D34QGD, Tarrasch, Bogolyubov variation742.9%21.4%
D67QGD, Orthodox defence, Bd3 line, Janowski variation757.1%42.9%
D68QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)771.4%64.3%
A66Benoni, pawn storm variation666.7%66.7%
B00KP, Nimzovich defence, Marshall gambit616.7%41.7%
B02Alekhine's defence, Kmoch variation60.0%50.0%
B05Alekhine's defence, modern, Alekhine variation650.0%58.3%
C12French, MacCutcheon, Bogolyubov variation616.7%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%
C31KGD, Falkbeer, Rubinstein variation650.0%58.3%
C33KGA, bishop's gambit, Anderssen variation616.7%75.0%
C39KGA, Kieseritsky, Neumann defence616.7%58.3%
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%
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%
C96Ruy Lopez, closed, Rossolimo defence616.7%75.0%
D63QGD, Orthodox defence, Capablanca variation60.0%66.7%
E23Nimzo-Indian, Spielmann, San Remo variation650.0%58.3%
E36Nimzo-Indian, classical, Noa variation, main line60.0%33.3%
A02Bird, From gambit, Lipke variation520.0%30.0%
A04Reti, Wade defence540.0%80.0%
A25English, closed, 5.Rb1 Taimanov variation520.0%30.0%
B01Scandinavian, Anderssen counter-attack, Goteborg system50.0%100.0%
B03Alekhine's defence, exchange, Karpov variation540.0%40.0%
B40Sicilian, Pin, Jaffe variation50.0%80.0%
B77Sicilian, dragon, Yugoslav attack, Byrne variation50.0%80.0%
C25Vienna, Hamppe-Allgaier gambit520.0%30.0%
C25Vienna, Steinitz gambit540.0%60.0%
C30KGD, classical, Svenonius variation520.0%50.0%
C32KGD, Falkbeer, Reti variation560.0%50.0%
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%
C45Scotch, Ghulam Kassim variation560.0%70.0%
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%
D26QGA, classical, Furman variation560.0%50.0%
D30QGD, Spielmann variation540.0%80.0%
D31QGD, semi-Slav, Koomen variation560.0%50.0%
E09Catalan, closed, Sokolsky variation540.0%60.0%
A02Bird, Hobbs gambit425.0%62.5%
A43Hawk (Habichd) defence425.0%37.5%
A66Benoni, Mikenas variation450.0%50.0%
A86Dutch, Hort-Antoshin system40.0%75.0%
B03Alekhine's defence, four pawns attack, Planinc variation425.0%87.5%
B13Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation425.0%87.5%
C12French, MacCutcheon, Tartakower variation450.0%50.0%
C13French, classical, Vistaneckis (Nimzovich) variation40.0%75.0%
C14French, classical, Stahlberg variation450.0%75.0%
C21Danish gambit, Collijn defence40.0%50.0%
C38KGA, Philidor gambit40.0%25.0%
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%
C77Ruy Lopez, Wormald attack, Gruenfeld variation450.0%75.0%
E08Catalan, closed, Zagoryansky variation450.0%75.0%
A51Budapest, Fajarowicz, Steiner variation3100.0%50.0%
A56Vulture defence30.0%33.3%
A80Dutch, Spielmann gambit333.3%16.7%
A80Dutch, Von Pretzel gambit333.3%16.7%
C11French, Steinitz, Bradford attack30.0%33.3%
C12French, MacCutcheon, Duras variation366.7%66.7%
C30KGD, classical, Heath variation366.7%33.3%
C33KGA, bishop's gambit, Boren-Svenonius variation30.0%66.7%
C37KGA, King's knight's gambit30.0%33.3%
C37KGA, Rosentreter gambit333.3%83.3%
C37KGA, Salvio gambit, Anderssen counter-attack30.0%33.3%
C41Philidor, Paulsen attack30.0%100.0%
C49Four knights, Svenonius variation30.0%66.7%
C57Two knights defence, Fegatello attack, Leonhardt variation30.0%0.0%
C67Ruy Lopez, Berlin defence, Pillsbury variation366.7%33.3%
C67Ruy Lopez, Berlin defence, Trifunovic variation30.0%100.0%
C80Ruy Lopez, open, Richter variation30.0%33.3%
D30QGD, Stonewall variation333.3%83.3%
D50QGD, Canal (Venice) variation30.0%33.3%
D50QGD, Semi-Tarrasch, Krause variation366.7%33.3%
D55QGD, Pillsbury attack30.0%33.3%
A46Doery defence250.0%25.0%
B01Scandinavian, Anderssen counter-attack250.0%75.0%
B02Alekhine's defence, Two pawns' attack, Mikenas variation250.0%75.0%
B03Alekhine's defence, four pawns attack, Ilyin-Genevsky var.20.0%50.0%
B03Alekhine's defence, four pawns attack, Tartakower variation250.0%75.0%
B06Norwegian defence250.0%75.0%
B07Pirc, Chinese variation20.0%50.0%
B20Sicilian, wing gambit, Santasiere variation250.0%75.0%
C23Bishop's opening, Calabrese counter-gambit250.0%25.0%
C30KGD, classical, Hanham variation250.0%25.0%
C32KGD, Falkbeer, Charousek gambit20.0%100.0%
C33KGA, Lopez-Gianutio counter-gambit, Hein variation250.0%75.0%
C33KGA, bishop's gambit, Bryan counter-gambit250.0%25.0%
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%
C39KGA, Kieseritsky, Brentano (Campbell) defence20.0%100.0%
C39King's knight's gambit20.0%50.0%
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%
C55Two knights, Max Lange attack, Krause variation250.0%75.0%
C59Two knights defence, Goering variation20.0%50.0%
C64Ruy Lopez, classical defence, Zaitsev variation250.0%75.0%
D00Blackmar-Diemer, Lemberg counter-gambit250.0%75.0%
D08QGD, Albin counter-gambit, Krenosz variation250.0%75.0%
D20QGA, Schwartz defence2100.0%50.0%
D34QGD, Tarrasch, Stoltz variation20.0%100.0%
B00Guatemala defence10.0%100.0%
B62Sicilian, Richter-Rauzer, Richter attack10.0%0.0%
C15French, Winawer, Alekhine gambit, Alatortsev variation1100.0%50.0%
C23Bishop's opening, Lisitsyn variation1100.0%50.0%
C25Vienna, Steinitz gambit, Zukertort defence1100.0%50.0%
C29Vienna gambit, Heyde variation10.0%0.0%
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, Ghulam Kassim 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%
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%
D67QGD, Orthodox defence, Bd3 line, Capablanca freeing manoevre10.0%100.0%

Created in 2005-2013 by CCRL team
Last games added on July 15, 2018