CCRL 40/4
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 1'579'577 games
played by 1'866 programs
21113 CPU days (X2 4600+)

White wins: 617'996 (39.1%)
Black wins: 503'684 (31.9%)
Draws: 457'897 (29.0%)
White score: 53.6%

Opening statistics

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

ECOOpeningNumber
of
games
DrawsWhite
score
B90Sicilian, Najdorf, Byrne (English) attack4749624.7%51.5%
D45QGD semi-Slav, Stoltz variation3660230.5%52.3%
E15Queen's Indian, Nimzovich variation (exaggerated fianchetto)3089929.3%54.8%
D47QGD semi-Slav, Meran, Wade variation2070729.2%53.0%
B12Caro-Kann, advance variation2034324.8%53.9%
D43QGD semi-Slav1807929.1%53.4%
B22Sicilian, Alapin's variation (2.c3)1619231.6%53.9%
A29English, four knights, kingside fianchetto1591930.6%51.5%
B66Sicilian, Richter-Rauzer, Rauzer attack, 7...a61469224.9%51.2%
A04Reti opening1442127.5%52.8%
D02Queen's pawn game1361927.4%53.0%
D58QGD, Tartakower (Makagonov-Bondarevsky) system1239732.5%52.6%
A15English opening1238432.9%54.0%
B90Sicilian, Najdorf1145524.8%51.0%
E12Queen's Indian, Petrosian system1120031.8%53.3%
A00Benko's opening1091530.6%50.7%
B47Sicilian, Taimanov (Bastrikov) variation1080730.7%54.2%
A20English opening1076728.4%52.2%
B92Sicilian, Najdorf, Opovcensky variation1070229.6%52.6%
E04Catalan, open, 5.Nf31030232.5%53.2%
B27Sicilian, Hungarian variation1020633.6%57.2%
A07Reti, King's Indian attack (Barcza system)963029.3%52.9%
B06Robatsch (modern) defence961229.5%56.3%
A05Reti opening912628.5%52.6%
C11French, Burn variation899330.7%52.0%
B84Sicilian, Scheveningen (Paulsen), classical variation888228.8%51.7%
E32Nimzo-Indian, classical variation860832.3%53.1%
E97King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)842924.9%55.5%
A30English, symmetrical variation827028.9%53.6%
B40Sicilian defence826228.5%52.6%
B19Caro-Kann, classical, Spassky variation817227.6%57.5%
D12QGD Slav, 4.e3 Bf5765628.2%54.3%
D37QGD, classical variation (5.Bf4)745033.1%53.3%
A80Dutch744726.4%54.1%
A30English, symmetrical, hedgehog system736931.8%55.8%
C00French, King's Indian attack727328.5%50.8%
D85Gruenfeld, modern exchange variation725636.9%53.4%
C67Ruy Lopez, Berlin defence, open variation723234.3%52.5%
A81Dutch defence709628.5%56.1%
D38QGD, Ragozin variation708732.4%53.6%
C10French, Rubinstein variation701232.4%53.3%
B67Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7697825.1%52.6%
C88Ruy Lopez, closed, 7...O-O690430.1%51.8%
B48Sicilian, Taimanov variation684327.9%54.0%
A45Trompovsky attack (Ruth, Opovcensky opening)683924.6%51.7%
E12Queen's Indian, 4.Nc3667129.0%52.6%
C11French, Steinitz, Boleslavsky variation632826.3%54.8%
B30Sicilian, Nimzovich-Rossolimo attack (without ...d6)631828.8%54.5%
D37QGD, 4.Nf3625431.9%53.2%
E10Queen's pawn game623731.4%54.1%
E00Catalan opening620330.4%54.2%
D48QGD semi-Slav, Meran, 8...a6618531.0%48.5%
C07French, Tarrasch, open variation613632.5%52.9%
C91Ruy Lopez, closed, Bogolyubov variation607831.9%51.8%
D30Queen's gambit declined605530.3%53.4%
E06Catalan, closed, 5.Nf3601634.5%54.2%
A46Queen's pawn game591727.1%54.1%
B20Sicilian defence583224.0%48.6%
B43Sicilian, Kan, 5.Nc3567729.0%55.2%
B33Sicilian, Pelikan, Chelyabinsk variation560926.9%55.3%
B46Sicilian, Taimanov variation554828.8%54.7%
B23Sicilian, closed545926.6%52.9%
A40Queen's pawn542425.7%53.6%
B17Caro-Kann, Steinitz variation525328.9%53.9%
B10Caro-Kann defence518925.1%53.9%
B14Caro-Kann, Panov-Botvinnik attack, 5...e6515533.1%55.1%
B57Sicilian, Sozin, Benko variation509029.4%50.9%
B56Sicilian506726.1%54.4%
C19French, Winawer, advance, poisoned pawn variation505224.4%58.7%
A45Queen's pawn game502826.1%51.3%
B50Sicilian495827.6%52.6%
D10QGD Slav defence484529.7%54.5%
A41Queen's Pawn478523.1%56.1%
D27QGA, classical, 6...a6472435.7%53.8%
A07Reti, King's Indian attack, Yugoslav variation467931.3%53.6%
B08Pirc, classical system, 5.Be2466330.9%58.4%
B81Sicilian, Scheveningen, Keres attack464325.8%58.9%
B01Scandinavian (centre counter) defence463127.0%60.0%
D11QGD Slav, 3.Nf3462528.2%54.1%
A13English opening462425.3%53.0%
E60King's Indian, 3.Nf3453129.0%55.6%
A10English opening452925.0%53.2%
A00Clemenz (Mead's, Basman's or de Klerk's) opening442123.4%49.4%
B35Sicilian, accelerated fianchetto, modern variation with Bc4436734.1%53.8%
D11QGD Slav, 4.e3433629.9%55.2%
B45Sicilian, Taimanov variation428927.6%54.3%
B42Sicilian, Kan, 5.Bd3427829.1%56.7%
B89Sicilian, Sozin, 7.Be3423426.8%49.0%
C65Ruy Lopez, Berlin defence409629.3%51.6%
C43Petrov, modern attack, Symmetrical variation407131.2%53.6%
C88Ruy Lopez, closed404827.3%48.3%
B30Sicilian defence401828.3%52.3%
C53Giuoco Piano400227.9%52.9%
A06Reti, Nimzovich-Larsen attack392931.2%50.9%
D97Gruenfeld, Russian, Alekhine (Hungarian) variation390231.5%51.3%
B09Pirc, Austrian attack, 6.Bd3388030.8%58.1%
D15QGD Slav, 4.Nc3384928.5%52.6%
B31Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)384730.1%55.6%
D20QGA, 3.e4383028.7%56.0%
A35English, symmetrical, four knights system379630.1%52.9%
D27QGA, classical, Rubinstein variation377234.0%55.2%
C91Ruy Lopez, closed, 9.d4373026.8%55.7%
A33English, symmetrical variation372635.1%52.4%
C00French defence361322.9%55.2%
E11Bogo-Indian defence, Gruenfeld variation357930.4%55.3%
A21English, Kramnik-Shirov counterattack351628.3%52.6%
C92Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)346632.3%53.6%
E11Bogo-Indian defence346532.4%55.5%
C45Scotch game343231.4%53.2%
D02Queen's bishop game336027.8%50.9%
A40Queen's pawn, Keres defence334827.7%55.4%
B97Sicilian, Najdorf, Poisoned pawn variation327127.0%44.4%
C78Ruy Lopez, Archangelsk (counterthrust) variation326829.6%54.1%
C42Petrov, classical attack, Jaenisch variation326235.1%56.4%
D45QGD semi-Slav, accelerated Meran (Alekhine variation)324133.1%53.1%
A21English opening324027.2%54.0%
E63King's Indian, fianchetto, Panno variation324028.7%57.0%
B23Sicilian, closed, 2...Nc6318627.6%53.0%
A41Old Indian, Tartakower (Wade) variation317624.7%58.4%
A07Reti, King's Indian attack317233.9%53.0%
E21Nimzo-Indian, three knights variation316428.9%51.6%
E98King's Indian, orthodox, Aronin-Taimanov, 9.Ne1311721.3%58.9%
E97King's Indian, orthodox, Aronin-Taimanov, bayonet attack309128.6%57.7%
A06Reti opening308726.1%53.5%
D47QGD semi-Slav, Meran variation307131.4%53.0%
C00French, Chigorin variation306524.5%50.8%
B33Sicilian, Sveshnikov variation305026.3%52.8%
A40Queen's pawn, Franco-Indian (Keres) defence304728.2%55.8%
C90Ruy Lopez, closed, Pilnik variation304326.1%52.3%
C08French, Tarrasch, open, 4.ed ed295236.9%53.2%
E55Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation294034.7%53.5%
E18Queen's Indian, old main line, 7.Nc3293532.7%55.9%
B38Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3289638.8%57.0%
E58Nimzo-Indian, 4.e3, main line with 8...Bxc3284028.6%48.6%
A41Old Indian defence281625.6%50.9%
B42Sicilian, Kan, Polugaievsky variation280326.5%54.2%
C19French, Winawer, advance, positional main line279723.2%57.5%
C03French, Tarrasch278629.7%56.2%
A03Bird's opening278323.8%48.9%
A13English opening, Agincourt variation276827.5%52.1%
C02French, advance, Euwe variation275225.7%52.0%
A01Nimzovich-Larsen attack, modern variation274831.1%50.0%
B00King's pawn opening273925.1%53.4%
B01Scandinavian, Pytel-Wade variation270834.2%59.9%
D85Gruenfeld, exchange variation270135.7%52.6%
E14Queen's Indian, 4.e3268129.7%52.1%
A02Bird's opening267929.2%50.0%
A33English, symmetrical, Geller variation267830.1%52.6%
C06French, Tarrasch, closed variation, main line266632.3%55.3%
D19QGD Slav, Dutch variation265429.0%56.4%
C89Ruy Lopez, Marshall counter-attack263333.9%51.1%
E11Bogo-Indian defence, Nimzovich variation263128.5%56.4%
A22English, Bremen, Smyslov system258628.1%49.0%
E94King's Indian, orthodox, 7...Nbd7256126.3%56.9%
B07Pirc defence255326.2%54.8%
D00Levitsky attack (Queen's bishop attack)255024.5%49.8%
B51Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack250530.1%55.4%
D31QGD, semi-Slav, Marshall gambit249628.7%54.5%
B93Sicilian, Najdorf, 6.f4247229.4%49.4%
A17English, Nimzo-English opening246230.7%54.7%
B06Robatsch defence, Two knights, Suttles variation244834.3%58.3%
C78Ruy Lopez, 5.O-O244131.5%55.1%
A43Old Benoni defence242925.2%55.4%
B00KP, Nimzovich defence241023.5%57.8%
C42Petrov, classical attack, Marshall variation240229.4%55.3%
B90Sicilian, Najdorf, Adams attack238922.9%53.4%
C90Ruy Lopez, closed (with ...d6)238527.6%49.2%
E92King's Indian, Gligoric-Taimanov system238324.6%57.2%
B97Sicilian, Najdorf, 7...Qb6236723.6%46.7%
C95Ruy Lopez, closed, Breyer, Borisenko variation231430.2%56.4%
D10QGD Slav defence, exchange variation230731.0%51.4%
A34English, symmetrical, three knights system230334.8%52.3%
D30QGD228532.2%52.3%
A80Dutch, 2.Bg5 variation226623.0%53.1%
D35QGD, exchange, positional line223328.1%53.1%
A04Reti v Dutch222325.4%56.3%
A13English, Neo-Catalan accepted221433.5%54.4%
E81King's Indian, Saemisch, 5...O-O220524.9%53.8%
B90Sicilian, Najdorf, Lipnitzky attack219128.7%48.8%
A31English, symmetrical, Benoni formation218128.2%54.5%
D07QGD, Chigorin defence216827.6%57.4%
C09French, Tarrasch, open variation, main line216136.8%55.9%
B10Caro-Kann, anti-anti-Caro-Kann defence214734.1%52.0%
A05Reti, King's Indian attack212329.6%55.7%
A88Dutch, Leningrad, main variation with c6211531.2%56.9%
E68King's Indian, fianchetto, classical variation, 8.e4210729.0%58.7%
B40Sicilian, Anderssen variation208431.5%55.6%
B49Sicilian, Taimanov variation207131.0%55.0%
E60King's Indian, 3.g3207031.3%56.0%
C99Ruy Lopez, closed, Chigorin, 12...c5d4206434.3%59.0%
D04Queen's pawn game205930.1%52.9%
C02French, advance, Paulsen attack205624.5%53.6%
E59Nimzo-Indian, 4.e3, main line204030.5%54.2%
B18Caro-Kann, classical, 6.h4203730.5%53.5%
D91Gruenfeld, 5.Bg5203431.7%49.6%
C01French, exchange variation202830.7%53.4%
C45Scotch, Mieses variation202733.1%51.0%
A49King's Indian, fianchetto without c4202628.0%54.2%
E54Nimzo-Indian, 4.e3, Gligoric system with 7...dc202535.6%53.8%
A90Dutch defence202125.9%55.8%
B21Sicilian, Grand Prix attack201625.0%49.4%
C02French, advance variation201524.9%53.7%
A40Modern defence201024.4%55.7%
E42Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)200930.8%55.4%
B63Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7200827.5%52.2%
D00Queen's pawn game193824.9%51.4%
B18Caro-Kann, classical variation193030.4%55.3%
D20Queen's gambit accepted192330.3%55.3%
A36English, ultra-symmetrical variation190328.7%49.1%
C05French, Tarrasch, closed variation189424.1%56.8%
A50Queen's pawn game187827.6%56.0%
D44QGD semi-Slav, anti-Meran gambit186826.0%59.8%
C50Giuoco Pianissimo186329.6%52.1%
E94King's Indian, orthodox variation186031.2%57.0%
A00Dunst (Sleipner, Heinrichsen) opening185623.3%52.0%
D00Queen's pawn, Mason variation184124.0%51.9%
C42Petrov, classical attack182630.6%57.0%
D05Queen's pawn game181528.4%53.7%
A34English, symmetrical variation181326.1%50.7%
A48King's Indian, Torre attack180529.5%50.0%
B96Sicilian, Najdorf, 7.f4179822.9%49.2%
B13Caro-Kann, Panov-Botvinnik attack179032.3%53.5%
E15Queen's Indian, 4.g3178041.0%55.3%
B12Caro-Kann defence175321.7%56.3%
C11French, Steinitz variation175327.0%53.7%
A53Old Indian defence174729.3%55.2%
C97Ruy Lopez, closed, Chigorin defence169922.8%59.9%
B89Sicilian, Velimirovic attack168224.5%51.0%
D31QGD, Charousek (Petrosian) variation168127.7%53.4%
A01Nimzovich-Larsen attack, classical variation167426.7%48.5%
B10Caro-Kann, closed (Breyer) variation165924.5%50.3%
E19Queen's Indian, old main line, 9.Qxc3165632.9%54.7%
D77Neo-Gruenfeld, 6.O-O162233.9%52.7%
D35QGD, exchange, positional line, 5...c6159628.2%55.6%
A48King's Indian, East Indian defence159528.5%53.5%
A15English, 1...Nf6 (Anglo-Indian defense)159326.3%52.5%
A22English, Bremen, reverse dragon159334.1%53.1%
A84Dutch defence159225.9%57.2%
B99Sicilian, Najdorf, 7...Be7 main line158121.9%54.6%
B32Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation158029.2%53.6%
A13English, Neo-Catalan157829.7%53.3%
D02Queen's pawn game, Chigorin variation156623.9%54.6%
C88Ruy Lopez, closed, anti-Marshall 8.a4155828.3%51.8%
B07Robatsch defence, Geller's system153830.0%56.9%
D78Neo-Gruenfeld, 6.O-O c6153132.9%54.4%
C85Ruy Lopez, Exchange variation doubly deferred (DERLD)151830.8%53.2%
B65Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4149930.7%56.6%
C10French, Paulsen variation149827.2%56.4%
A56Benoni defence149427.0%58.7%
E60King's Indian defence149123.7%53.4%
A09Reti, advance variation149025.5%48.1%
B39Sicilian, accelerated fianchetto, Breyer variation148532.7%60.9%
B94Sicilian, Najdorf, 6.Bg5147324.7%53.1%
E53Nimzo-Indian, 4.e3, main line with ...c5147336.9%51.6%
D00Queen's pawn, Chigorin variation146921.5%51.9%
C48Four knights, Rubinstein counter-gambit146326.0%53.9%
E00Queen's pawn game144927.3%53.8%
A00Polish (Sokolsky) opening144528.1%50.7%
A70Benoni, classical with e4 and Nf3144527.1%59.8%
B52Sicilian, Canal-Sokolsky attack, 3...Bd7144534.3%50.7%
D39QGD, Ragozin, Vienna variation143636.0%50.8%
B11Caro-Kann, Two knights, 3...Bg4143324.8%52.8%
B01Scandinavian defence141229.4%57.8%
B36Sicilian, accelerated fianchetto, Maroczy bind141135.8%55.8%
E46Nimzo-Indian, Reshevsky variation140228.0%52.2%
B80Sicilian, Scheveningen variation140124.0%53.6%
B87Sicilian, Sozin with ...a6 and ...b5137427.7%48.3%
B91Sicilian, Najdorf, Zagreb (fianchetto) variation137326.9%51.1%
A11English, Caro-Kann defensive system137127.1%55.7%
A28English, four knights, Marini variation136931.2%53.8%
E12Queen's Indian, Miles variation136630.9%53.1%
D45QGD semi-Slav, 5.e3136428.2%57.1%
A28English, four knights, 4.e3133927.8%51.5%
A25English, closed system133828.2%53.2%
E39Nimzo-Indian, classical, Pirc variation133531.8%56.6%
C77Ruy Lopez, Anderssen variation132929.5%49.5%
A89Dutch, Leningrad, main variation with Nc6132628.5%57.9%
D48QGD semi-Slav, Meran, Reynolds' variation132528.5%55.8%
C24Bishop's opening, Berlin defence132327.1%52.4%
C55Two knights defence (Modern bishop's opening)132029.5%56.5%
C80Ruy Lopez, open, 8...Be6131231.8%46.2%
D13QGD Slav, exchange variation131131.7%53.4%
B76Sicilian, dragon, Yugoslav attack, Rauser variation130725.6%59.3%
B10Caro-Kann, anti-Caro-Kann defence128825.9%56.9%
A46Queen's pawn, Torre attack128726.3%51.6%
E17Queen's Indian, Opovcensky variation127829.8%58.0%
D86Gruenfeld, exchange, classical variation127531.4%54.5%
D26QGA, classical variation127234.0%54.6%
A00Van't Kruijs opening126426.2%52.2%
A10English, Anglo-Dutch defense126424.6%55.3%
D45QGD semi-Slav, 5...Nd7126226.6%51.3%
E61King's Indian defence, 3.Nc3126227.7%53.8%
C15French, Winawer (Nimzovich) variation126030.7%53.5%
D31QGD, semi-Slav125830.3%54.1%
E69King's Indian, fianchetto, classical main line125530.3%60.0%
A46Queen's pawn, Yusupov-Rubinstein system124230.0%51.2%
B60Sicilian, Richter-Rauzer124225.3%57.4%
A09Reti accepted124127.6%53.1%
C41Philidor, Improved Hanham variation124027.2%57.1%
D06QGD, Grau (Sahovic) defence123924.5%56.4%
B95Sicilian, Najdorf, 6...e6123527.2%52.7%
B04Alekhine's defence, modern, Larsen variation122332.7%56.8%
B06Robatsch defence121327.8%58.8%
C19French, Winawer, advance, poisoned pawn, Konstantinopolsky variation120625.9%60.1%
D73Neo-Gruenfeld, 5.Nf3120240.4%53.1%
E56Nimzo-Indian, 4.e3, main line with 7...Nc6120029.3%54.9%
C41Philidor, exchange variation119825.1%57.9%
E92King's Indian, Petrosian system, Stein variation119627.2%53.0%
A62Benoni, fianchetto variation119522.0%55.5%
A57Benko gambit half accepted119229.4%57.9%
C96Ruy Lopez, closed (10...c5)118629.7%58.3%
B20Sicilian, Steinitz variation116925.5%53.8%
D01Richter-Veresov attack116926.3%46.7%
A16English opening116126.9%53.9%
A28English, four knights, Romanishin variation115734.1%50.6%
E90King's Indian, 5.Nf3115523.5%54.3%
C84Ruy Lopez, closed defence115131.8%51.9%
E62King's Indian, fianchetto, Kavalek (Bronstein) variation114729.7%58.2%
A28English, four knights, Nimzovich variation114329.1%51.7%
B09Pirc, Austrian attack, dragon formation113431.5%54.1%
A57Benko gambit112724.8%54.6%
D97Gruenfeld, Russian, Prins variation112434.2%55.0%
A55Old Indian, main line112027.0%62.2%
A39English, symmetrical, main line with d4111738.0%55.3%
B20Sicilian, Keres variation (2.Ne2)111525.6%53.0%
D21QGA, 3.Nf3111325.7%55.3%
A08Reti, King's Indian attack, French variation111130.8%50.7%
A08Reti, King's Indian attack110929.3%54.8%
A42Pterodactyl defence110827.1%61.6%
D34QGD, Tarrasch, Prague variation, Normal position110334.2%58.4%
B33Sicilian, Pelikan (Lasker/Sveshnikov) variation110023.8%53.0%
D76Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6109434.2%55.7%
D34QGD, Tarrasch, Prague variation, 9.Bg5109338.5%57.9%
C00French defence, Steiner variation109027.6%49.7%
D92Gruenfeld, 5.Bf4108432.7%55.2%
A50Kevitz-Trajkovich defence107327.6%53.3%
A56Benoni defence, Hromodka system107121.0%58.6%
B23Sicilian, chameleon variation106428.2%55.1%
A14English, Neo-Catalan declined106335.8%52.6%
C16French, Winawer, advance variation105423.0%56.5%
A25English, Sicilian reversed105126.0%51.6%
A48King's Indian, London system105128.4%51.7%
B13Caro-Kann, exchange variation104927.4%50.5%
B52Sicilian, Canal-Sokolsky attack, Sokolsky variation104633.7%54.4%
B78Sicilian, dragon, Yugoslav attack, 10.O-O-O104324.2%54.3%
B34Sicilian, accelerated fianchetto, modern variation104232.1%52.2%
A22English opening103325.4%50.4%
C50Giuoco Piano103228.3%49.9%
E20Nimzo-Indian, Kmoch variation101124.0%54.4%
C89Ruy Lopez, Marshall, main line, 12.d2d4100726.7%56.1%
B15Caro-Kann, Tartakower (Nimzovich) variation99331.4%53.3%
D40QGD, Semi-Tarrasch defence99333.4%51.8%
A44Semi-Benoni (`blockade variation')98821.0%61.0%
A09Reti opening98627.3%53.3%
D30QGD, Vienna variation97840.3%51.9%
B32Sicilian defence97727.8%52.3%
C45Scotch, Schmidt variation97339.8%50.6%
E95King's Indian, orthodox, 7...Nbd7, 8.Re197026.5%56.0%
C42Petrov, classical attack, Chigorin variation96834.3%53.5%
B44Sicilian, Szen (`anti-Taimanov') variation96531.3%51.4%
B54Sicilian95825.5%54.2%
B21Sicilian, Smith-Morra gambit95628.1%50.3%
E67King's Indian, fianchetto, classical variation95331.4%54.8%
D52QGD, Cambridge Springs defence, Yugoslav variation94728.0%58.3%
B07Pirc, Sveshnikov system94627.2%52.6%
C80Ruy Lopez, open, Bernstein variation94635.6%58.1%
B12Caro-Kann, Tartakower (fantasy) variation94426.9%54.8%
E35Nimzo-Indian, classical, Noa variation, 5.cd ed94332.4%49.7%
C42Petrov's defence93124.7%53.8%
B33Sicilian defence93029.2%52.6%
A47Queen's Indian defence92428.0%53.6%
E41Nimzo-Indian, e3, Huebner variation92425.8%49.1%
B06Robatsch defence, Pseudo-Austrian attack91925.5%58.9%
D03Torre attack (Tartakower variation)91623.3%50.6%
A01Nimzovich-Larsen attack91426.3%51.4%
A37English, symmetrical variation90928.5%53.0%
A00Saragossa opening90418.8%50.7%
B19Caro-Kann, classical, 7...Nd790324.7%52.1%
A59Benko gambit, main line90234.1%62.2%
D41QGD, Semi-Tarrasch, 5.cd89734.6%57.5%
C14French, classical, Steinitz variation89526.1%57.4%
C26Vienna, Paulsen-Mieses variation89430.3%50.6%
A14English, Symmetrical, Keres defence88536.3%54.9%
C46Four knights game88428.5%50.0%
D30QGD Slav87430.9%53.3%
B58Sicilian, Boleslavsky variation87233.0%49.0%
D31QGD, 3.Nc387227.9%54.8%
D17QGD Slav, Czech defence86835.0%53.9%
A42Modern defence, Averbakh system86528.9%58.0%
E44Nimzo-Indian, Fischer variation, 5.Ne286424.2%56.8%
D18QGD Slav, Dutch variation86031.9%57.9%
E91King's Indian, 6.Be286025.1%59.7%
B53Sicilian, Chekhover variation85935.7%49.5%
B05Alekhine's defence, modern variation, 4...Bg485828.9%64.3%
C89Ruy Lopez, Marshall counter-attack, 11...c685835.8%49.5%
B08Pirc, classical (two knights) system85727.5%56.4%
B01Scandinavian, Marshall variation85327.7%60.0%
D46QGD semi-Slav, Chigorin defence84732.8%53.4%
E17Queen's Indian, old main line, 6.O-O84629.9%56.3%
E84King's Indian, Saemisch, Panno main line83621.9%52.1%
D26QGA, 4...e683532.2%53.0%
B04Alekhine's defence, modern, fianchetto variation83129.8%55.7%
D17QGD Slav, Krause attack82626.2%58.2%
D02Queen's pawn game, Krause variation82333.4%51.7%
B83Sicilian, modern Scheveningen82029.6%49.8%
B10Caro-Kann, Two knights variation81826.5%56.1%
B25Sicilian, closed, 6.f481628.6%49.6%
D30QGD, Capablanca-Duras variation81628.3%52.4%
A58Benko gambit accepted81530.7%55.3%
B07Pirc, Ufimtsev-Pytel variation81523.9%55.9%
E47Nimzo-Indian, 4.e3 O-O, 5.Bd381237.2%54.6%
E73King's Indian, Averbakh system81227.6%52.0%
B83Sicilian, Scheveningen, 6.Be281031.2%51.0%
C00French, Two knights variation80023.6%50.4%
E70King's Indian, 4.e479925.7%54.3%
D80Gruenfeld defence79641.5%53.5%
D05Colle system79030.4%52.4%
A22English, Carls' Bremen system78924.6%54.8%
E41Nimzo-Indian, 4.e3 c578732.9%49.9%
D47QGD semi-Slav, 7.Bc478626.8%57.6%
E71King's Indian, Makagonov system (5.h3)78525.2%55.2%
A05Reti, King's Indian attack, Spassky's variation78429.8%53.1%
E34Nimzo-Indian, classical, Noa variation78332.8%52.7%
B28Sicilian, O'Kelly variation77826.9%57.3%
C78Ruy Lopez, Moeller defence77730.0%51.9%
D29QGA, classical, 8...Bb777531.4%47.4%
C47Four knights, Scotch, 4...exd477436.0%50.8%
D79Neo-Gruenfeld, 6.O-O, main line77336.9%51.8%
A87Dutch, Leningrad, main variation77228.6%59.5%
C18French, Winawer, classical variation76921.1%56.7%
B82Sicilian, Scheveningen, 6.f476629.9%55.7%
A32English, symmetrical variation76429.1%53.0%
B03Alekhine's defence76023.8%53.4%
B70Sicilian, dragon variation75629.6%49.7%
A56Czech Benoni defence75525.2%61.6%
E38Nimzo-Indian, classical, 4...c575530.1%57.5%
D05Queen's pawn game, Rubinstein (Colle-Zukertort) variation75432.0%55.6%
E16Queen's Indian, Yates variation75331.2%58.8%
C19French, Winawer, advance, 6...Ne775026.0%59.9%
C12French, MacCutcheon, Lasker variation, 8...g674724.6%54.6%
C17French, Winawer, advance, 5.a374624.7%57.2%
D30QGD, Hastings variation74635.4%50.5%
C89Ruy Lopez, Marshall, main line, 14...Qh374541.9%49.0%
B09Pirc, Austrian attack74027.8%57.7%
C25Vienna game74025.5%52.0%
B03Alekhine's defence, exchange variation73830.9%58.0%
C18French, Winawer, advance variation73320.3%57.2%
B58Sicilian, classical73235.2%52.2%
B09Pirc, Austrian attack, 6.Be373125.6%55.3%
B41Sicilian, Kan, Maroczy bind (Reti variation)73128.6%54.0%
A07Reti, King's Indian attack, Keres variation73030.5%52.3%
A61Benoni defence73024.8%58.6%
D94Gruenfeld, 5.e372834.5%58.0%
E20Nimzo-Indian, Romanishin-Kasparov (Steiner) system72529.5%49.7%
D14QGD Slav, exchange variation, 6.Bf4 Bf571831.2%51.1%
C42Petrov, Nimzovich attack71733.5%54.5%
A38English, symmetrical variation71329.0%52.5%
B00Owen defence71024.9%55.7%
D47QGD semi-Slav, neo-Meran (Lundin variation)70931.3%56.3%
A00Anderssen's opening69921.5%47.5%
B85Sicilian, Scheveningen, classical main line69940.1%54.2%
B16Caro-Kann, Bronstein-Larsen variation69824.4%61.2%
E52Nimzo-Indian, 4.e3, main line with ...b669832.5%52.5%
E91King's Indian, Kazakh variation69729.4%57.5%
B83Sicilian, modern Scheveningen, main line69635.9%52.9%
B06Robatsch defence, Gurgenidze variation69223.6%63.1%
D25QGA, Janowsky-Larsen variation69028.8%56.6%
A13English, Romanishin gambit68931.2%54.4%
A52Budapest, Rubinstein variation68536.1%58.2%
D52QGD, Cambridge Springs defence, Bogoljubow variation68529.3%54.2%
A61Benoni, Nimzovich (knight's tour) variation68027.8%57.0%
D90Gruenfeld, Three knights variation68034.4%53.7%
D17QGD Slav, Carlsbad variation67932.5%52.4%
D31QGD, semi-Slav, Noteboom variation67728.2%52.2%
A37English, symmetrical, Botvinnik system reversed67626.8%51.0%
C64Ruy Lopez, classical (Cordel) defence66631.8%51.2%
C44Ponziani, Jaenisch counter-attack66531.6%46.5%
C02French, advance, Steinitz variation66428.5%49.8%
B08Pirc, classical, h3 system66329.9%56.3%
E45Nimzo-Indian, 4.e3, Bronstein (Byrne) variation66230.7%54.8%
A40Queen's pawn, Lundin (Kevitz-Mikenas) defence66126.8%56.5%
D93Gruenfeld with Bf4 e366138.1%52.8%
D17QGD Slav, Wiesbaden variation65827.5%58.4%
D31QGD, semi-Slav, Abrahams variation65730.3%44.7%
A25English, closed, 5.Rb165028.8%51.8%
E48Nimzo-Indian, 4.e3 O-O, 5.Bd3 d564930.8%51.5%
A20English, Nimzovich, Flohr variation64728.7%46.2%
C63Ruy Lopez, Schliemann defence, Berger variation64733.4%56.0%
B56Sicilian, Venice attack64434.5%63.0%
D87Gruenfeld, exchange, Spassky variation64433.7%57.4%
A84Dutch defence, Rubinstein variation64328.1%56.8%
C77Ruy Lopez, Wormald (Alapin) attack63932.6%51.0%
B88Sicilian, Sozin, Leonhardt variation63632.5%49.6%
C00French, Labourdonnais variation63125.8%49.0%
E43Nimzo-Indian, Fischer variation62229.3%54.7%
A28English, four knights system62125.1%52.3%
C00St. George defence62026.1%55.5%
C62Ruy Lopez, old Steinitz defence61527.6%54.6%
B64Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f461232.7%54.6%
A01Nimzovich-Larsen attack, symmetrical variation61130.1%49.9%
D42QGD, Semi-Tarrasch, 7.Bd361036.7%57.9%
A42Modern defence, Averbakh system, Kotov variation60925.3%57.6%
C44Scotch gambit, Dubois-Reti defence60831.3%50.0%
E09Catalan, closed, main line60528.9%57.3%
A36English, symmetrical, Botvinnik system60328.4%56.1%
A52Budapest, Adler variation59329.5%59.3%
A01Nimzovich-Larsen attack, Indian variation58924.3%55.1%
C69Ruy Lopez, exchange variation, 5.O-O58628.0%52.4%
D53QGD, 4.Bg5 Be758635.5%56.3%
D98Gruenfeld, Russian, Smyslov variation58527.4%53.8%
A53Old Indian, Janowski variation58419.5%57.7%
C11French defence58225.1%48.8%
A30English, symmetrical, hedgehog, flexible formation58036.2%56.9%
B06Robatsch defence, Two knights variation58030.0%58.1%
B61Sicilian, Richter-Rauzer, Larsen variation, 7.Qd258027.6%60.2%
B76Sicilian, dragon, Yugoslav attack, 7...O-O58029.7%50.3%
C76Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation57727.9%50.9%
B24Sicilian, closed57527.5%49.4%
B80Sicilian, Scheveningen, English variation57525.0%50.8%
B15Caro-Kann defence57224.1%49.3%
C69Ruy Lopez, exchange, Gligoric variation57133.8%53.9%
D80Gruenfeld, Stockholm variation56333.7%49.7%
C25Vienna, Paulsen variation56122.3%50.2%
C64Ruy Lopez, classical defence, Benelux variation 56133.3%50.9%
E00Neo-Indian (Seirawan) attack55923.6%49.7%
D00Queen's pawn, Mason variation, Steinitz counter-gambit55630.2%50.0%
C92Ruy Lopez, closed, 9.h355426.7%56.0%
E33Nimzo-Indian, classical, Milner-Barry (Zurich) variation55427.3%52.6%
B23Sicilian, Grand Prix attack55125.8%52.6%
B02Alekhine's defence54732.7%56.0%
D59QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd554637.4%51.1%
D25QGA, 4.e354428.9%57.3%
B57Sicilian, Sozin, not Scheveningen54128.8%55.3%
E86King's Indian, Saemisch, orthodox, 7.Nge2 c654022.2%55.0%
B07Pirc, 150 attack53830.5%51.9%
D82Gruenfeld, 4.Bf453731.3%53.8%
B62Sicilian, Richter-Rauzer, Keres variation53530.5%53.7%
C65Ruy Lopez, Berlin defence, Beverwijk variation53230.3%52.7%
D07QGD, Chigorin defence, Janowski variation53224.4%61.5%
A10English, Adorjan defence52536.0%51.3%
B80Sicilian, Scheveningen, fianchetto variation52428.2%51.7%
A96Dutch, classical variation52330.2%62.1%
C41Philidor's defence52329.4%56.6%
A40Queen's pawn, English defence52021.0%54.9%
C70Ruy Lopez, Classical defence deferred52026.3%51.8%
D49QGD semi-Slav, Meran, Blumenfeld variation52029.8%51.3%
B26Sicilian, closed, 6.Be351924.9%47.5%
D74Neo-Gruenfeld, 6.cd Nxd5, 7.O-O51932.9%56.9%
D56QGD, Lasker defence51829.9%51.6%
B15Caro-Kann, Gurgenidze system51728.2%57.6%
A85Dutch with c4 & Nc351132.7%55.7%
B62Sicilian, Richter-Rauzer, Margate (Alekhine) variation51032.4%49.5%
D61QGD, Orthodox defence, Rubinstein variation50730.2%53.6%
E88King's Indian, Saemisch, orthodox, 7.d5 c650731.0%55.1%
D96Gruenfeld, Russian variation50530.5%53.7%
D55QGD, Neo-orthodox variation, 7.Bh450331.4%53.9%
C42Petrov three knights game50127.5%54.1%
C50Giuoco Pianissimo, Italian four knights variation50028.4%55.4%
C69Ruy Lopez, exchange, Bronstein variation49931.1%51.6%
A99Dutch, Ilyin-Genevsky variation with b349724.9%59.2%
E12Queen's Indian defence49628.6%51.2%
E62King's Indian, fianchetto, Uhlmann (Szabo) variation49229.5%58.2%
A00Mieses opening49118.1%52.9%
C49Four knights, symmetrical, Metger unpin49035.1%52.4%
C80Ruy Lopez, open, 7.Bb348930.7%51.7%
E01Catalan, closed48729.8%52.9%
E05Catalan, open, classical line48731.2%55.9%
B29Sicilian, Nimzovich-Rubinstein variation48527.2%56.7%
A28English, four knights, Capablanca variation48428.9%53.3%
A90Dutch defence, Dutch-Indian (Nimzo-Dutch) variation48128.3%60.5%
D44QGD semi-Slav, anti-Meran, Lilienthal variation48121.4%58.9%
C49Four knights, symmetrical variation48031.7%49.8%
C72Ruy Lopez, modern Steinitz defence, 5.O-O47629.6%55.4%
D19QGD Slav, Dutch variation, main line47634.7%52.0%
D23QGA, Mannheim variation47330.7%54.7%
E80King's Indian, Saemisch variation47125.5%55.4%
B12Caro-Kann, 3.Nd247026.2%59.3%
C43Petrov, modern attack, main line46631.8%58.6%
B77Sicilian, dragon, Yugoslav attack, 9...Bd746525.6%55.2%
C00French, Schlechter variation46431.5%50.9%
D55QGD, Petrosian variation46138.4%52.8%
A27English, three knights system45826.9%53.2%
C10French, Fort Knox variation45633.6%54.1%
E66King's Indian, fianchetto, Yugoslav Panno45627.2%55.7%
B54Sicilian, Prins (Moscow) variation45531.0%52.0%
E87King's Indian, Saemisch, orthodox, 7.d545220.8%62.2%
B69Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf644823.9%57.3%
E30Nimzo-Indian, Leningrad variation44830.4%51.1%
A95Dutch, stonewall with Nc344726.2%54.0%
C12French, MacCutcheon, Lasker variation44719.5%52.0%
C60Ruy Lopez, fianchetto (Smyslov/Barnes) defence44734.5%52.3%
B14Caro-Kann, Panov-Botvinnik attack, 5...g644339.1%54.5%
D46QGD semi-Slav, Bogolyubov variation44130.4%56.5%
A23English, Bremen system, Keres variation43032.6%48.4%
B63Sicilian, Richter-Rauzer, Rauzer attack43027.0%55.6%
B07Pirc, Byrne variation42725.1%55.6%
A07Reti, King's Indian attack (with ...c5)42626.1%48.2%
E49Nimzo-Indian, 4.e3, Botvinnik system42629.1%47.9%
B44Sicilian defence42329.8%53.0%
C04French, Tarrasch, Guimard main line42326.7%56.1%
C64Ruy Lopez, classical defence, 4.c342127.1%52.0%
E62King's Indian, fianchetto, lesser Simagin (Spassky) variation41623.3%58.5%
D32QGD, Tarrasch defence41531.3%54.5%
B44Sicilian, Szen, hedgehog variation41229.9%48.2%
D12QGD Slav, exchange variation41224.5%53.0%
E16Queen's Indian, Riumin variation40932.0%55.9%
A77Benoni, classical, 9...Re8, 10.Nd240624.9%55.8%
A26English, Botvinnik system40524.4%47.5%
C77Ruy Lopez, Morphy defence40232.6%54.6%
D49QGD semi-Slav, Meran, Sozin variation40239.8%49.5%
E16Queen's Indian, Capablanca variation40032.8%57.4%
E36Nimzo-Indian, classical, Noa variation, 5.a340032.8%55.4%
E08Catalan, closed, Qc2 & b339728.2%51.4%
A58Benko gambit, fianchetto variation39529.4%55.2%
A01Nimzovich-Larsen attack, English variation39127.4%51.0%
B04Alekhine's defence, modern variation38921.3%61.3%
C87Ruy Lopez, closed, Averbach variation38729.7%57.2%
D26QGA, classical variation, 6.O-O38735.4%57.8%
C02French, advance, Wade variation38427.3%54.8%
D52QGD, Cambridge Springs defence, 7.cd38431.8%57.3%
E25Nimzo-Indian, Saemisch, Keres variation38330.8%50.7%
C23Bishop's opening38223.6%53.1%
D44QGD semi-Slav, 5.Bg5 dc38233.5%49.0%
D99Gruenfeld defence, Smyslov, main line38230.6%61.6%
C46Four knights, Italian variation38029.5%48.2%
B75Sicilian, dragon, Yugoslav attack37628.7%51.9%
D34QGD, Tarrasch, Prague variation, 7...Be737430.7%59.5%
E92King's Indian, Andersson variation37337.8%53.2%
C22Centre game, Berger variation36925.5%53.7%
C60Ruy Lopez, Cozio defence36826.1%56.8%
D10QGD Slav defence, Alekhine variation36820.7%54.9%
B20Sicilian, wing gambit, Marshall variation36726.4%40.7%
C15French, Winawer, Alekhine (Maroczy) gambit36531.0%56.0%
C50King's pawn game36422.5%54.9%
D66QGD, Orthodox defence, Bd3 line36430.2%55.5%
A17English opening36330.9%52.6%
D81Gruenfeld, Russian variation36333.9%55.5%
E10Blumenfeld counter-gambit, Dus-Chotimursky variation36328.7%55.1%
A12English, Torre defensive system35734.5%52.0%
A67Benoni, Taimanov variation35718.8%59.2%
C13French, Albin-Alekhine-Chatard attack35722.7%57.3%
D35QGD, exchange variation35731.1%55.6%
E13Queen's Indian, 4.Nc3, main line35425.7%55.8%
A40Polish defence35324.9%57.2%
B05Alekhine's defence, modern, Flohr variation35329.7%65.6%
B36Sicilian, accelerated fianchetto, Gurgenidze variation35337.7%53.1%
A12English, London defensive system35232.1%49.3%
A34English, symmetrical, Rubinstein system35232.7%53.8%
D16QGD Slav, Steiner variation35229.3%58.7%
D70Neo-Gruenfeld defence35123.6%53.4%
D44QGD semi-Slav, Botvinnik system (anti-Meran)35024.6%48.0%
A35English, symmetrical variation34727.1%57.6%
D22QGA, Alekhine defence34434.6%56.0%
C28Vienna game34329.7%52.5%
D36QGD, exchange, positional line, 6.Qc234333.5%50.9%
C79Ruy Lopez, Steinitz defence deferred (Russian defence)34232.5%52.2%
C63Ruy Lopez, Schliemann defence34126.1%57.3%
C16French, Winawer, Petrosian variation34022.9%53.8%
D41QGD, Semi-Tarrasch with e334035.6%54.9%
A26English, closed system33823.1%50.9%
B02Alekhine's defence, Scandinavian variation33826.9%55.2%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc333543.9%54.5%
B23Sicilian, closed, Korchnoi variation33432.9%47.9%
E62King's Indian, fianchetto with ...Nc633424.6%57.2%
D55QGD, 6.Nf333332.4%59.2%
D48QGD semi-Slav, Meran33222.9%48.2%
D63QGD, Orthodox defence, 7.Rc132933.4%55.0%
B60Sicilian, Richter-Rauzer, Larsen variation32823.5%54.7%
A92Dutch, stonewall variation32727.2%58.9%
D88Gruenfeld, Spassky variation, main line, 10...cd, 11.cd32740.4%52.3%
D97Gruenfeld, Russian, Byrne (Simagin) variation32626.4%50.6%
C26Vienna game32525.2%53.8%
B37Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg732434.6%52.5%
D97Gruenfeld, Russian, Szabo (Boleslavsky) variation32428.4%59.9%
C48Four knights, Spanish variation32127.1%51.2%
C96Ruy Lopez, closed, Keres (...Nd7) defence32137.7%61.2%
D72Neo-Gruenfeld, 5.cd, main line32131.8%51.4%
C68Ruy Lopez, exchange variation32025.6%56.9%
A06Reti, old Indian attack31923.5%52.5%
C02French, advance, Nimzovich system31718.9%46.7%
D06QGD, Marshall defence31727.1%59.0%
C49Four knights, double Ruy Lopez31142.1%56.4%
D24QGA, 4.Nc330832.1%54.7%
C92Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation30733.2%64.5%
A16English, Anglo-Gruenfeld defense30630.1%51.6%
B09Pirc, Austrian attack, 6.e530628.4%59.6%
D50QGD, 4.Bg530628.4%57.0%
A56Czech Benoni, King's Indian system30318.8%59.2%
E62King's Indian, fianchetto, Larsen system30328.7%55.3%
D52QGD30130.2%55.6%
D15QGD Slav, Schlechter variation29928.4%55.4%
D63QGD, Orthodox defence, Swiss, Karlsbad variation29929.1%52.3%
B42Sicilian, Kan, Swiss cheese variation29527.5%56.4%
C17French, Winawer, advance, Bogolyubov variation29528.8%56.4%
C61Ruy Lopez, Bird's defence29526.4%58.3%
C77Ruy Lopez, four knights (Tarrasch) variation29330.0%55.3%
D10QGD Slav, Winawer counter-gambit29126.8%57.4%
A13English, Wimpey system29029.7%45.9%
A54Old Indian, Ukrainian variation, 4.Nf329025.9%54.7%
D15QGD Slav, Tolush-Geller gambit29028.3%44.5%
C20King's pawn game28920.4%52.1%
B32Sicilian, Labourdonnais-Loewenthal variation28825.7%55.2%
D55QGD, Neo-orthodox variation, 7.Bxf628736.2%51.6%
C12French, MacCutcheon variation28629.4%51.7%
C88Ruy Lopez, Trajkovic counter-attack28627.3%53.1%
D35QGD, exchange, Saemisch variation28528.1%53.0%
A50Queen's Indian accelerated28431.7%54.2%
A20English, Nimzovich variation28326.1%55.1%
C75Ruy Lopez, modern Steinitz defence28327.9%57.8%
C00French, Reti (Spielmann) variation28226.6%54.8%
D60QGD, Orthodox defence28229.8%57.1%
C42Petrov, Kaufmann attack28032.5%58.4%
E76King's Indian, Four pawns attack28030.4%58.4%
C42Petrov, Cozio (Lasker) attack27932.3%51.6%
D90Gruenfeld, Flohr variation27934.4%50.5%
C73Ruy Lopez, modern Steinitz defence, Alapin variation27625.4%55.4%
C82Ruy Lopez, open, St. Petersburg variation27638.0%59.6%
D15QGD Slav, 5.e3 (Alekhine variation)27626.1%50.0%
C21Centre game27533.1%58.7%
C86Ruy Lopez, Worrall attack, sharp line27432.5%49.5%
E17Queen's Indian, anti-Queen's Indian system27433.2%53.5%
D15QGD Slav accepted27229.8%52.8%
A12English, Caro-Kann defensive system27127.7%55.5%
B41Sicilian, Kan variation26929.0%53.9%
B02Alekhine's defence, Maroczy variation26822.8%47.2%
C45Scotch, Potter variation26835.4%47.6%
D28QGA, classical, 7...b526734.1%54.9%
A00Polish, Outflank variation26625.6%49.6%
D62QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)26441.7%50.8%
C19French, Winawer, advance, Smyslov variation26225.2%58.8%
B00KP, Nimzovich defence, Bogolyubov variation26016.9%55.0%
B98Sicilian, Najdorf, 7...Be725924.7%52.5%
C98Ruy Lopez, closed, Chigorin, 12...Nc625925.9%63.9%
D15QGD Slav, Slav gambit25926.6%47.3%
A73Benoni, classical, 9.O-O25824.8%53.1%
C46Three knights game25523.9%52.4%
C27Vienna game25225.8%49.0%
C70Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation25226.6%54.6%
D94Gruenfeld, Smyslov defence25236.1%53.0%
A07Reti, King's Indian attack, Pachman system25023.2%52.4%
E51Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d525031.2%52.0%
B25Sicilian, closed24829.0%50.0%
C86Ruy Lopez, Worrall attack, solid line24830.2%51.0%
B85Sicilian, Scheveningen, classical24639.0%52.8%
B13Caro-Kann, Panov-Botvinnik, normal variation24535.5%48.8%
C42Petrov, Paulsen attack24527.3%45.9%
A93Dutch, stonewall, Botwinnik variation24427.9%59.8%
C93Ruy Lopez, closed, Smyslov defence24433.6%57.0%
C68Ruy Lopez, exchange, Keres variation24337.0%51.4%
D11QGD Slav, Breyer variation24327.2%52.3%
D16QGD Slav, Soultanbeieff variation24239.3%56.4%
A19English, Mikenas-Carls, Sicilian variation24129.0%55.2%
B68Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be724027.9%56.0%
E15Queen's Indian, 4.g3 Bb724030.8%52.9%
B33Sicilian, Pelikan, Bird variation23828.6%58.0%
C47Four knights, Belgrade gambit23626.7%42.6%
C40Gunderam defence23521.7%63.6%
C20KP, Indian opening23426.9%50.2%
E74King's Indian, Averbakh, 6...c523322.3%63.9%
A00Grob's attack23222.0%49.4%
C50Giuoco Pianissimo, Canal variation23230.2%51.3%
C52Evans gambit23227.2%39.9%
E20Nimzo-Indian defence23225.4%44.6%
B86Sicilian, Sozin attack23124.7%44.4%
E08Catalan, closed, 7.Qc223132.0%53.7%
D60QGD, Orthodox defence, Botvinnik variation23036.5%53.5%
E77King's Indian, Four pawns attack23031.7%52.4%
D24QGA, Bogolyubov variation22916.6%48.0%
C73Ruy Lopez, modern Steinitz defence, Richter variation22830.7%50.4%
D16QGD Slav accepted, Alapin variation22822.4%68.6%
B72Sicilian, dragon, 6.Be322726.9%50.4%
D46QGD semi-Slav, Romih variation22728.6%63.7%
E70King's Indian, Kramer system22722.0%53.3%
B02Alekhine's defence, Saemisch attack22621.2%57.1%
C03French, Tarrasch, Guimard variation22622.6%60.8%
B74Sicilian, dragon, classical, 9.Nb322533.8%49.8%
E94King's Indian, orthodox, Donner variation22526.2%55.8%
D52QGD, Cambridge Springs defence, Rubinstein variation22431.3%55.4%
E65King's Indian, fianchetto, Yugoslav, 7.O-O22431.3%55.8%
A83Dutch, Staunton gambit, Staunton's line22326.9%46.6%
C30KGD, classical variation22320.2%46.9%
E93King's Indian, Petrosian system, main line22123.1%54.5%
D94Gruenfeld, Makogonov variation22031.8%50.9%
C29Vienna gambit21928.8%48.6%
C84Ruy Lopez, closed, centre attack21831.7%50.2%
D63QGD, Orthodox defence, Swiss (Henneberger) variation21729.0%50.9%
A17English, Queens Indian formation21626.4%54.4%
E96King's Indian, orthodox, 7...Nbd7, main line21533.0%59.3%
B73Sicilian, dragon, classical, 8.O-O21234.4%55.4%
D44QGD semi-Slav, anti-Meran, Szabo variation21020.5%41.2%
E40Nimzo-Indian, 4.e321026.7%53.8%
B13Caro-Kann, exchange, Rubinstein variation20934.0%55.7%
B98Sicilian, Najdorf variation20724.2%48.8%
A00Ware (Meadow Hay) opening20521.5%47.3%
C42Petrov, classical attack, close variation20329.6%55.2%
C34KGA, Fischer defence20220.8%49.0%
C58Two knights defence20223.3%55.7%
D94Gruenfeld, Opovcensky variation20238.1%50.2%
A60Benoni defence20124.4%52.5%
E31Nimzo-Indian, Leningrad, main line20120.9%46.3%
B74Sicilian, dragon, classical, Reti-Tartakower variation20034.0%52.5%
C15French, Winawer, Alekhine gambit, Kan variation20034.0%49.0%
D25QGA, Smyslov variation19930.7%58.0%
E10Blumenfeld counter-gambit accepted19922.6%54.0%
A79Benoni, classical, 11.f319820.2%66.7%
D71Neo-Gruenfeld, 5.cd19841.4%56.1%
D22QGA, Haberditz variation19732.5%59.9%
D48QGD semi-Slav, Meran, old main line19733.5%57.9%
A91Dutch defence19632.1%52.8%
B73Sicilian, dragon, classical, Richter variation19536.9%48.7%
B42Sicilian, Kan, Gipslis variation19329.0%57.0%
D14QGD Slav, exchange, Trifunovic variation19339.9%50.0%
A86Dutch with c4 & g319226.0%62.5%
A45Paleface attack19119.9%41.4%
C92Ruy Lopez, closed, Kholmov variation19126.7%59.4%
C77Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)19031.1%50.8%
E10Dzindzikhashvili defence19027.9%59.7%
D59QGD, Tartakower variation18946.6%41.3%
B00St. George (Baker) defence18721.9%53.7%
B82Sicilian, Scheveningen, Tal variation18717.1%59.9%
D35QGD, 3...Nf618731.0%43.9%
B01Scandinavian gambit18530.3%47.0%
E83King's Indian, Saemisch, Panno formation18520.5%54.6%
A64Benoni, fianchetto, 11...Re818426.6%52.4%
E46Nimzo-Indian, 4.e3 O-O18435.9%52.2%
E32Nimzo-Indian, classical, Adorjan gambit18327.9%58.2%
A28English, Bradley Beach variation18230.2%43.1%
A54Old Indian, Ukrainian variation18230.2%49.2%
A65Benoni, 6.e418223.6%59.1%
C44Ponziani counter-gambit18221.4%52.5%
D67QGD, Orthodox defence, Bd3 line, 11.O-O18231.3%62.4%
D23Queen's gambit accepted18129.8%49.7%
E24Nimzo-Indian, Saemisch variation18131.5%50.6%
E92King's Indian, Petrosian system18117.7%56.4%
C83Ruy Lopez, open, classical defence18039.4%57.5%
A86Dutch, Leningrad variation17931.8%60.6%
A97Dutch, Ilyin-Genevsky, Winter variation17936.3%64.5%
A94Dutch, stonewall with Ba317836.0%53.4%
D08QGD, Albin counter-gambit17836.0%55.6%
D31QGD, Janowski variation17838.8%56.5%
C47Four knights, Scotch, Krause variation17733.3%55.1%
C59Two knights defence17726.6%46.6%
D87Gruenfeld, exchange, Seville variation17738.4%65.5%
A28English, four knights, Stean variation17524.6%56.3%
B62Sicilian, Richter-Rauzer, 6...e617525.7%48.3%
C12French, MacCutcheon, Janowski variation17524.6%59.1%
C65Ruy Lopez, Berlin defence, 4.O-O17524.0%61.1%
C44Scotch, Goering gambit17430.5%49.7%
E64King's Indian, fianchetto, Yugoslav system17423.0%56.9%
C36KGA, Abbazia defence, modern variation17330.6%43.6%
C71Ruy Lopez, modern Steinitz defence, Duras (Keres) variation17331.8%51.7%
E07Catalan, closed, 6...Nbd717229.7%52.6%
E67King's Indian, fianchetto with ...Nd717226.7%62.8%
C30King's gambit17124.6%56.1%
C40QP counter-gambit (elephant gambit)17117.5%62.0%
A98Dutch, Ilyin-Genevsky variation with Qc217026.5%60.9%
B00Reversed Grob (Borg/Basman defence/macho Grob)16917.2%51.8%
A01Nimzovich-Larsen attack, Dutch variation16721.0%50.6%
A21English, Troeger defence16728.1%54.8%
A41Robatsch defence, Rossolimo variation16627.7%54.8%
B52Sicilian, Canal-Sokolsky attack, Bronstein gambit16627.1%43.1%
D64QGD, Orthodox defence, Rubinstein attack (with Rc1)16539.4%57.9%
C59Two knights defence, Steinitz variation16425.6%59.8%
C44Ponziani opening16325.8%52.8%
E62King's Indian, fianchetto, Simagin variation16328.2%68.1%
A36English, symmetrical variation16225.9%48.8%
B27Sicilian, Katalimov variation16025.6%53.4%
B83Sicilian, modern Scheveningen, main line with Nb316023.1%49.7%
A45Blackmar-Diemer gambit15926.4%54.1%
B04Alekhine's defence, modern, Keres variation15934.0%61.0%
A04Reti, Pirc-Lisitsin gambit15822.2%58.5%
C42Petrov, Italian variation15519.4%51.0%
C46Three knights, Steinitz variation15518.7%53.2%
A38English, symmetrical, main line with d315435.7%51.0%
E82King's Indian, Saemisch, double fianchetto variation15328.8%60.8%
A18English, Mikenas-Carls, Flohr variation15228.9%60.5%
B03Alekhine's defence, four pawns attack, 7.Be315230.3%61.2%
C48Four knights, Spanish, classical defence15227.6%52.0%
C66Ruy Lopez, Berlin defence, hedgehog variation15238.2%53.3%
D30QGD Slav, Semmering variation15232.9%48.0%
A43Old Benoni, Franco-Benoni defence15125.2%61.6%
C40Latvian counter-gambit15125.2%60.9%
C43Petrov, modern (Steinitz) attack15125.2%60.3%
C60Ruy Lopez (Spanish opening)15122.5%51.7%
E37Nimzo-Indian, classical, Noa variation, main line, 7.Qc215031.3%59.0%
A75Benoni, classical with ...a6 and 10...Bg414928.9%53.4%
A80Dutch, Krejcik gambit14934.2%46.6%
B59Sicilian, Boleslavsky variation, 7.Nb314938.9%53.7%
C05French, Tarrasch, Botvinnik variation14924.2%57.0%
C55Two knights defence14827.7%48.3%
E07Catalan, closed, Botvinnik variation14625.3%59.2%
A82Dutch, Staunton gambit14530.3%39.3%
B01Scandinavian defence, Lasker variation14528.3%63.8%
B79Sicilian, dragon, Yugoslav attack, 12.h414531.0%64.5%
A05Reti, King's Indian attack, Reti-Smyslov variation14427.8%50.7%
D56QGD, Lasker defence, Teichmann variation14432.6%60.1%
C69Ruy Lopez, exchange variation, Alapin gambit14331.5%51.4%
A36English, symmetrical, Botvinnik system reversed14126.2%50.0%
C26Vienna, Falkbeer variation14117.0%51.1%
C54Giuoco Piano14125.5%53.9%
C75Ruy Lopez, modern Steinitz defence, Rubinstein variation14132.6%58.9%
A00Lasker simul special14027.9%46.8%
B32Sicilian, Flohr variation14027.9%56.1%
E25Nimzo-Indian, Saemisch, Romanovsky variation14042.1%50.4%
E60Queen's pawn, Mengarini attack14024.3%50.7%
A12English, Caro-Kann defensive system, Bogolyubov variation13822.5%51.1%
D68QGD, Orthodox defence, classical variation13836.2%54.3%
C71Ruy Lopez, modern Steinitz defence13729.2%51.1%
E60King's Indian, Anti-Gruenfeld13721.9%45.3%
E76King's Indian, Four pawns attack, dynamic line13732.1%51.8%
A47Queen's Indian, Marienbad system13530.4%49.3%
A06Santasiere's folly13335.3%45.5%
B96Sicilian, Najdorf, Polugayevsky variation13324.8%52.3%
E62King's Indian, fianchetto variation13327.1%54.9%
C50Giuoco Piano, four knights variation13226.5%51.1%
E99King's Indian, orthodox, Aronin-Taimanov, main line13222.7%53.8%
B04Alekhine's defence, modern, Schmid variation13129.8%65.3%
C11French, Swiss variation13127.5%43.5%
C49Four knights13135.1%50.4%
D28QGA, classical, 7.Qe213042.3%55.8%
E61King's Indian, Smyslov system13023.8%51.2%
B02Alekhine's defence, Two pawns' (Lasker's) attack12939.5%46.9%
C53Giuoco Piano, Bird's attack12925.6%51.6%
C70Ruy Lopez, Cozio defence deferred12931.8%51.6%
E29Nimzo-Indian, Saemisch, Capablanca variation12940.3%50.4%
E29Nimzo-Indian, Saemisch, main line12930.2%59.3%
C48Four knights, Rubinstein counter-gambit, exchange variation12840.6%48.4%
E33Nimzo-Indian, classical, 4...Nc612824.2%62.9%
A71Benoni, classical, 8.Bg512627.0%54.0%
C30KGD, classical, 4.c312625.4%61.9%
C88Ruy Lopez, closed, 7...d6, 8.d412623.8%38.1%
E79King's Indian, Four pawns attack, main line12644.4%57.1%
A16English, Anglo-Gruenfeld, Czech defense12531.2%66.8%
C02French, advance, Milner-Barry gambit12525.6%53.6%
C29Vienna gambit, Breyer variation12537.6%56.4%
C66Ruy Lopez, closed Berlin defence, Wolf variation12541.6%55.2%
E70King's Indian, accelerated Averbakh system12526.4%50.0%
E22Nimzo-Indian, Spielmann variation12431.5%51.2%
C74Ruy Lopez, Siesta, Kopayev variation12328.5%51.6%
C80Ruy Lopez, open (Tarrasch) defence12339.0%49.6%
D33QGD, Tarrasch, Prague variation12334.1%61.0%
D70Neo-Gruenfeld (Kemeri) defence12340.7%55.3%
A72Benoni, classical without 9.O-O12227.9%60.7%
B40Sicilian, Pin, Koch variation12223.8%70.1%
C94Ruy Lopez, closed, Breyer defence12237.7%53.3%
D16QGD Slav, Smyslov variation12227.0%58.6%
E53Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd712239.3%55.7%
E50Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d512132.2%55.0%
A09Reti accepted, Keres variation12021.7%59.2%
A43Old Benoni, Mujannah formation11921.0%60.9%
C50Hungarian defence11935.3%54.6%
A13English, Kurajica defence11825.4%50.8%
A80Dutch, Manhattan (Alapin, Ulvestad) variation11821.2%54.7%
B55Sicilian, Prins variation, Venice attack11735.9%56.4%
C46Four knights, Gunsberg variation11729.1%42.7%
A51Budapest, Fajarowicz variation11625.9%61.2%
A92Dutch defence, Alekhine variation11631.0%59.5%
D51QGD, 4.Bg5 Nbd711631.0%56.0%
E10Blumenfeld counter-gambit11526.1%53.9%
E25Nimzo-Indian, Saemisch variation11535.7%52.6%
E15Queen's Indian, Rubinstein variation11422.8%50.9%
A76Benoni, classical, 9...Re811315.0%59.7%
C67Ruy Lopez, open Berlin defence, 5...Be711333.6%55.8%
D49QGD semi-Slav, Meran, Rabinovich variation11340.7%61.1%
D67QGD, Orthodox defence, Bd3 line, Alekhine variation11348.7%63.3%
A92Dutch defence11232.1%60.7%
C23Bishop's opening, Classical variation11216.1%50.9%
D86Gruenfeld, exchange, Simagin's improved variation11230.4%58.0%
C33KGA, bishop's gambit11112.6%52.3%
D95Gruenfeld, Botvinnik variation11130.6%44.1%
A90Dutch-Indian, Alekhine variation11030.9%48.2%
B80Sicilian, Scheveningen, Vitolins variation11019.1%44.1%
E90King's Indian, Larsen variation11030.0%54.1%
A61Benoni, Uhlmann variation10928.4%50.9%
B27Sicilian defence10828.7%59.7%
C00Lengfellner system10827.8%61.1%
C20Alapin's opening10823.1%48.6%
C30KGD, Mafia defence10825.9%59.3%
E10Doery defence10823.1%45.8%
E12Queen's Indian, 4.Nc3, Botvinnik variation10829.6%50.9%
C44Ponziani, Caro variation10738.3%48.1%
D63QGD, Orthodox defence10725.2%57.5%
D64QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation10636.8%49.5%
C51Evans gambit declined, 5.a410529.5%47.1%
D46QGD semi-Slav, 6.Bd310528.6%50.5%
C23Bishop's opening, Philidor counter-attack10434.6%59.6%
C39KGA, Kieseritsky, Kolisch defence10433.7%50.5%
E17Queen's Indian, Euwe variation10436.5%60.6%
D89Gruenfeld, Spassky variation, main line, 13.Bd310333.0%52.4%
E26Nimzo-Indian, Saemisch variation10329.1%46.6%
E53Nimzo-Indian, 4.e3, Keres variation10232.4%45.6%
E73King's Indian, 5.Be210222.5%48.5%
B15Caro-Kann, Forgacs variation10136.6%55.9%
E40Nimzo-Indian, 4.e3, Taimanov variation10122.8%52.0%
A80Dutch, Korchnoi attack10032.0%52.0%
C51Evans gambit, Cordel variation10026.0%46.0%
C66Ruy Lopez, Berlin defence, 4.O-O, d610041.0%52.5%
D00Queen's pawn, stonewall attack10025.0%49.5%
A25English, closed system (without ...d6)9824.5%48.0%
B27Sicilian, Quinteros variation9818.4%59.2%
C33KGA, bishop's gambit, Jaenisch variation9724.7%51.5%
D26QGA, classical, Steinitz variation9750.5%60.3%
B98Sicilian, Najdorf, Browne variation9632.3%57.8%
C44Ponziani, Steinitz variation9638.5%53.6%
C52Evans gambit, Tartakower attack9621.9%51.6%
B10Caro-Kann, Goldman (Spielmann) variation9520.0%50.0%
C44Scotch gambit9526.3%46.8%
C81Ruy Lopez, open, Howell attack9537.9%57.9%
D29QGA, classical, Smyslov variation9528.4%55.3%
A63Benoni, fianchetto, 9...Nbd79426.6%56.9%
B06Robatsch defence, three pawns attack9416.0%52.7%
D06QGD, symmetrical (Austrian) defence9427.7%54.3%
E90King's Indian, Zinnowitz variation9430.9%52.7%
B77Sicilian, dragon, Yugoslav attack, 9.Bc49329.0%53.2%
C34KGA, Schallop defence9318.3%52.2%
C77Ruy Lopez, Morphy defence, Duras variation9331.2%47.8%
E17Queen's Indian, 5.Bg2 Be79333.3%48.9%
E46Nimzo-Indian, Simagin variation9329.0%46.8%
A00Benko's opening, reversed Alekhine9225.0%46.2%
A18English, Mikenas-Carls variation9226.1%56.5%
B12Caro-Kann, advance, Short variation9218.5%69.0%
C22Centre game, Paulsen attack9230.4%50.0%
C35KGA, Cunningham defence9219.6%48.9%
C86Ruy Lopez, Worrall attack9228.3%58.7%
B03Alekhine's defence, four pawns attack9131.9%57.7%
B25Sicilian, closed, 6.Ne2 e5 (Botvinnik)9113.2%52.7%
B40Sicilian, Pin variation (Sicilian counter-attack)9119.8%54.9%
C13French, Albin-Alekhine-Chatard attack, Breyer variation9027.8%55.0%
C17French, Winawer, advance variation9024.4%60.0%
C27Vienna, Alekhine variation9022.2%43.3%
C40Greco defence9017.8%64.4%
C41Philidor, Nimzovich, Rellstab variation9033.3%64.4%
E28Nimzo-Indian, Saemisch variation9028.9%53.3%
A41Modern defence8927.0%56.2%
B25Sicilian, closed, 6.f4 e5 (Botvinnik)8923.6%46.6%
C67Ruy Lopez, open Berlin defence, l'Hermet variation8932.6%44.4%
E02Catalan, open, 5.Qa48937.1%59.0%
C42Petrov, classical attack, Mason variation8839.8%61.9%
C65Ruy Lopez, Berlin defence, Nyholm attack8835.2%54.0%
C82Ruy Lopez, open, Italian variation8831.8%61.4%
D49QGD semi-Slav, Meran, Stahlberg variation8833.0%51.7%
E10Blumenfeld counter-gambit, Spielmann variation8820.5%54.5%
C41Philidor, Nimzovich (Jaenisch) variation8733.3%47.7%
C49Four knights, symmetrical, Maroczy system8739.1%51.7%
E81King's Indian, Saemisch, Byrne variation8731.0%51.1%
A78Benoni, classical with ...Re8 and ...Na68535.3%52.9%
C43Petrov, modern attack, Trifunovic variation8534.1%51.2%
D09QGD, Albin counter-gambit, 5.g38528.2%54.1%
A59Benko gambit8433.3%63.1%
B18Caro-Kann, classical, Flohr variation8439.3%58.9%
C00French, Pelikan variation8427.4%50.6%
B72Sicilian, dragon, classical, Nottingham variation8328.9%45.8%
C78Ruy Lopez, ...b5 & ...d68327.7%47.6%
D32QGD, Tarrasch, von Hennig-Schara gambit8330.1%59.6%
D83Gruenfeld, Gruenfeld gambit, Capablanca variation8334.9%57.2%
B84Sicilian, Scheveningen, classical, Nd7 system8223.2%53.0%
C00French, Reversed Philidor formation8229.3%40.2%
D00Blackmar gambit8229.3%42.7%
D15QGD Slav, Suechting variation8220.7%54.3%
D68QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)8236.6%59.8%
A69Benoni, four pawns attack, main line8134.6%39.5%
C70Ruy Lopez, Caro variation8129.6%53.1%
C96Ruy Lopez, closed, Borisenko defence8127.2%58.0%
D84Gruenfeld, Gruenfeld gambit accepted8124.7%67.9%
B20Sicilian, wing gambit8023.8%45.6%
C82Ruy Lopez, open, Motzko attack8036.3%51.9%
E83King's Indian, Saemisch, 6...Nc68016.3%54.4%
E89King's Indian, Saemisch, orthodox main line8026.3%61.9%
D41QGD, Semi-Tarrasch, San Sebastian variation7925.3%68.4%
C20KP, Mengarini's opening7817.9%56.4%
D27QGA, classical, Geller variation7829.5%44.2%
D35QGD, Harrwitz attack7829.5%51.9%
C41Philidor, Larsen variation7724.7%68.2%
C44Scotch, Lolli variation7718.2%53.2%
C55Two knights, Max Lange attack7723.4%46.8%
C82Ruy Lopez, open, Dilworth variation7728.6%54.5%
C95Ruy Lopez, closed, Breyer, Simagin variation7742.9%63.0%
A00Amar (Paris) opening7622.4%41.4%
C14French, classical, Alapin variation7634.2%60.5%
C56Two knights defence7634.2%50.0%
C70Ruy Lopez7628.9%52.6%
B01Scandinavian, Icelandic gambit7530.7%50.0%
C57Two knights defence, Wilkes Barre (Traxler) variation7516.0%62.7%
A02Bird, From gambit7428.4%46.6%
A16English, Anglo-Gruenfeld, Smyslov defense7437.8%59.5%
C33KGA, bishop's gambit, Steinitz defence7429.7%44.6%
C57Two knights defence, Fegatello attack7436.5%46.6%
C68Ruy Lopez, exchange, Alekhine variation7431.1%43.9%
A00Polish, Tuebingen variation7321.9%52.1%
A12English, Capablanca's variation7327.4%47.9%
D12QGD Slav, Amsterdam variation7335.6%47.9%
D52QGD, Cambridge Springs defence7248.6%47.9%
A81Dutch defence, Blackburne variation7131.0%62.0%
B71Sicilian, dragon, Levenfish variation7133.8%49.3%
C49Four knights, Nimzovich (Paulsen) variation7145.1%54.9%
A28English, Nenarokov variation7035.7%46.4%
B72Sicilian, dragon, classical attack7028.6%58.6%
C25Vienna game, Max Lange defence6923.2%44.9%
C44King's pawn game6926.1%47.8%
C55Two knights, Max Lange attack, Schlechter variation6930.4%47.1%
D95Gruenfeld with e3 & Qb36939.1%50.0%
A24English, Bremen system with ...g66825.0%59.6%
A52Budapest defence6820.6%55.9%
A57Benko gambit, Zaitsev system6823.5%50.0%
C95Ruy Lopez, closed, Breyer, Gligoric variation6819.1%65.4%
A00Durkin's attack6717.9%53.7%
A61Benoni, fianchetto variation6625.8%53.8%
B74Sicilian, dragon, classical, Spielmann variation6628.8%53.8%
B85Sicilian, Scheveningen, classical, Maroczy system6633.3%54.5%
C07French, Tarrasch, Eliskases variation6633.3%47.0%
C41Philidor, Hanham variation6634.8%65.9%
D25QGA, Flohr variation6627.3%59.1%
D94Gruenfeld, Flohr defence6624.2%54.5%
B00Carr's defence6524.6%53.8%
B29Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit6535.4%56.2%
C17French, Winawer, advance, Russian variation6524.6%49.2%
C58Two knights defence, Bogolyubov variation6521.5%56.9%
C74Ruy Lopez, modern Steinitz defence6541.5%56.2%
D20QGA, Linares variation6529.2%51.5%
C30KGD, 2...Nf66426.6%52.3%
D51QGD, 5...c66421.9%60.9%
D89Gruenfeld, exchange, Sokolsky variation6434.4%39.1%
B72Sicilian, dragon, classical, Amsterdam variation6338.1%44.4%
C25Vienna gambit6325.4%52.4%
C41Philidor, Hanham, Schlechter variation6325.4%61.9%
C66Ruy Lopez, closed Berlin defence, Showalter variation6349.2%59.5%
A44Old Benoni defence6225.8%66.1%
B02Alekhine's defence, Brooklyn defence6221.0%58.9%
C20KP, Lopez opening6235.5%45.2%
C31KGD, Falkbeer counter-gambit6221.0%47.6%
C01French, exchange, Svenonius variation6137.7%58.2%
C34King's knight's gambit6114.8%48.4%
C35KGA, Cunningham, Euwe defence6127.9%50.0%
C40QP counter-gambit, Maroczy gambit6123.0%62.3%
D30QGD, Capablanca variation6020.0%46.7%
D34QGD, Tarrasch, Reti variation6038.3%54.2%
A52Budapest, Alekhine variation5922.0%50.0%
B41Sicilian, Kan, Maroczy bind - Bronstein variation5928.8%56.8%
C44Scotch gambit, Benima defence5927.1%52.5%
C57Two knights defence5922.0%38.1%
D40QGD, Semi-Tarrasch, symmetrical variation5933.9%49.2%
D67QGD, Orthodox defence, Bd3 line5942.4%51.7%
A04Reti, Lisitsin gambit deferred5820.7%43.1%
C21Danish gambit5827.6%55.2%
C27Boden-Kieseritsky gambit5813.8%50.0%
C44Dresden opening5820.7%46.6%
C51Evans gambit, Stone-Ware variation5722.8%44.7%
D97Gruenfeld, Russian variation with e45731.6%52.6%
A92Dutch, stonewall with Nc35619.6%61.6%
D01Richter-Veresov attack, Veresov variation5520.0%55.5%
D86Gruenfeld, exchange, Simagin's lesser variation5527.3%62.7%
C44Ponziani, Leonhardt variation5440.7%50.0%
A21English, Smyslov defence5326.4%56.6%
C13French, Albin-Alekhine-Chatard attack, Spielmann variation5326.4%56.6%
C39KGA, Kieseritsky, Berlin defence5313.2%36.8%
C67Ruy Lopez, Berlin defence, Minckwitz variation5339.6%63.2%
C90Ruy Lopez, closed, Suetin variation5326.4%47.2%
D01Richter-Veresov attack, Richter variation5334.0%37.7%
D33QGD, Tarrasch, Folkestone (Swedish) variation5334.0%58.5%
D44QGD semi-Slav, Ekstrom variation5320.8%38.7%
A51Budapest defence declined5221.2%52.9%
A83Dutch, Staunton gambit, Chigorin variation5232.7%68.3%
C45Scotch, Steinitz variation5223.1%48.1%
C96Ruy Lopez, closed (8...Na5)5225.0%52.9%
C06French, Tarrasch, Leningrad variation5117.6%53.9%
D44QGD semi-Slav, anti-Meran, Alatortsev system5111.8%60.8%
D99Gruenfeld defence, Smyslov, Yugoslav variation5149.0%59.8%
A95Dutch, stonewall: Chekhover variation5036.0%56.0%
C00French, Steinitz attack5036.0%52.0%
C31KGD, Nimzovich counter-gambit5022.0%45.0%
C41Philidor, Nimzovich, Larobok variation5040.0%34.0%
B03Alekhine's defence, four pawns attack, 6...Nc64922.4%50.0%
B03Alekhine's defence, four pawns attack, fianchetto variation4936.7%63.3%
C11French, Steinitz, Gledhill attack4942.9%54.1%
C39KGA, Kieseritsky, Berlin defence, 6.Bc44928.6%49.0%
C44Inverted Hungarian4928.6%49.0%
D57QGD, Lasker defence, main line4831.3%57.3%
C14French, classical, Rubinstein variation4719.1%54.3%
C49Four knights, symmetrical, Pillsbury variation4725.5%42.6%
C64Ruy Lopez, Cordel gambit4727.7%73.4%
C80Ruy Lopez, open, 6.d44727.7%60.6%
C92Ruy Lopez, closed, Keres (9...a5) variation4723.4%58.5%
E51Nimzo-Indian, 4.e3, Ragozin variation4751.1%57.4%
A17English, Queens Indian, Romanishin variation4637.0%46.7%
A18English, Mikenas-Carls, Kevitz variation4617.4%54.3%
A52Budapest, Alekhine, Abonyi variation4630.4%63.0%
C00French, Wing gambit4610.9%40.2%
C13French, classical, Anderssen variation4621.7%39.1%
C43Petrov, Urusov gambit468.7%45.7%
C48Four knights, Rubinstein counter-gambit, Henneberger variation4634.8%63.0%
D83Gruenfeld, Gruenfeld gambit4626.1%52.2%
A12English, New York (London) defensive system4533.3%45.6%
B07Pirc, bayonet (Mariotti) attack4515.6%52.2%
B12Caro-Kann, Edinburgh variation456.7%76.7%
B96Sicilian, Najdorf, Polugayevsky, Simagin variation4520.0%52.2%
C00French, Alapin variation4515.6%45.6%
C21Halasz gambit4528.9%41.1%
C34KGA, Becker defence4520.0%41.1%
C41Philidor, Nimzovich, Sozin variation4517.8%48.9%
C44Inverted Hanham4524.4%50.0%
C44Scotch opening4526.7%42.2%
D40QGD, Semi-Tarrasch defence, Pillsbury variation4537.8%52.2%
A97Dutch, Ilyin-Genevsky variation4431.8%61.4%
C34KGA, Bonsch-Osmolovsky variation4425.0%42.0%
C47Four knights, Scotch variation4436.4%61.4%
C74Ruy Lopez, modern Steinitz defence, siesta variation4425.0%48.9%
C88Ruy Lopez, closed, 8.c34427.3%50.0%
A12English, Bled variation4332.6%58.1%
C02French, advance, Nimzovich variation4325.6%22.1%
C33KGA, Keres (Mason-Steinitz) gambit439.3%44.2%
C42Petrov, Cochrane gambit4314.0%46.5%
C70Ruy Lopez, Schliemann defence deferred4316.3%54.7%
E21Nimzo-Indian, three knights, Korchnoi variation4334.9%61.6%
E54Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation4334.9%54.7%
E85King's Indian, Saemisch, orthodox variation4337.2%62.8%
B03Alekhine's defence, four pawns attack, Trifunovic variation4221.4%70.2%
B07Pirc, Holmov system4233.3%50.0%
B22Sicilian, 2.c3, Heidenfeld variation4228.6%42.9%
B88Sicilian, Sozin, Fischer variation4250.0%51.2%
C27Vienna, `Frankenstein-Dracula' variation4226.2%56.0%
C45Scotch, Meitner variation4235.7%53.6%
D31QGD, Alapin variation4216.7%41.7%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc4231.0%63.1%
E72King's Indian with e4 & g34228.6%54.8%
E99King's Indian, orthodox, Aronin-Taimanov, Benko attack4231.0%44.0%
A25English, closed, Hort variation4131.7%50.0%
B03Alekhine's defence, Balogh variation4119.5%61.0%
B57Sicilian, Magnus Smith trap4129.3%53.7%
C10French, Frere (Becker) variation4126.8%52.4%
C12French, MacCutcheon, Chigorin variation4131.7%54.9%
B13Caro-Kann, Panov-Botvinnik, Czerniak variation4045.0%60.0%
C44Scotch, Relfsson gambit ('MacLopez')4012.5%46.3%
C80Ruy Lopez, open, Riga variation4030.0%57.5%
E27Nimzo-Indian, Saemisch variation4032.5%48.8%
A00Grob, Fritz gambit3910.3%20.5%
A43Woozle defence3915.4%48.7%
B53Sicilian, Chekhover, Zaitsev variation3917.9%52.6%
C42Petrov, Damiano variation3930.8%53.8%
E77King's Indian, Four pawns attack, Florentine gambit3930.8%41.0%
A40Beefeater defence3823.7%59.2%
C33KGA, bishop's gambit, Bledow variation3831.6%42.1%
C53Giuoco Piano, close variation3823.7%51.3%
D52QGD, Cambridge Springs defence, Capablanca variation3834.2%48.7%
B10Caro-Kann, Hillbilly attack3735.1%58.1%
B58Sicilian, Boleslavsky, Louma variation3727.0%62.2%
C15French, Winawer, fingerslip variation3721.6%59.5%
C26Vienna, Mengarini variation3735.1%58.1%
C30KGD, Keene's defence3718.9%50.0%
C67Ruy Lopez, Berlin defence, Cordel variation3743.2%51.4%
D66QGD, Orthodox defence, Bd3 line, fianchetto variation3727.0%64.9%
E75King's Indian, Averbakh, main line3732.4%45.9%
B50Sicilian, wing gambit deferred3619.4%45.8%
C51Evans gambit, Paulsen variation3611.1%44.4%
D49QGD semi-Slav, Meran, Rellstab attack3633.3%50.0%
E26Nimzo-Indian, Saemisch, O'Kelly variation3622.2%36.1%
B74Sicilian, dragon, classical, Alekhine variation3522.9%62.9%
C33KGA, Carrera (Basman) gambit3531.4%41.4%
C33KGA, bishop's gambit, Morphy variation3525.7%44.3%
C67Ruy Lopez, Berlin defence, Rosenthal variation3542.9%55.7%
A02Bird, From gambit, Lasker variation3414.7%54.4%
C66Ruy Lopez, closed Berlin defence, Bernstein variation3438.2%45.6%
D64QGD, Orthodox defence, Rubinstein attack, Wolf variation3441.2%52.9%
C41Philidor, Hanham, Steiner variation3330.3%66.7%
C49Four knights, symmetrical, Capablanca variation3342.4%57.6%
C57Two knights defence, Ulvestad variation3321.2%56.1%
D05Queen's pawn game, Zukertort variation3327.3%59.1%
D21QGA, Alekhine defense, Borisenko-Furman variation3330.3%39.4%
B62Sicilian, Richter-Rauzer, Podvebrady variation3228.1%51.6%
C12French, MacCutcheon, Dr. Olland (Dutch) variation3228.1%57.8%
C58Two knights defence, Kieseritsky variation3228.1%54.7%
E30Nimzo-Indian, Leningrad, ...b5 gambit3240.6%42.2%
A00Gedult's opening3116.1%40.3%
B15Caro-Kann, Gurgenidze counter-attack3116.1%59.7%
C11French, Henneberger variation3138.7%32.3%
C29Vienna gambit, Steinitz variation3125.8%48.4%
C32KGD, Falkbeer, 5.de3129.0%53.2%
C33KGA, bishop's gambit, Bogolyubov variation319.7%46.8%
C33KGA, bishop's gambit, Lopez-Gianutio counter-gambit3125.8%29.0%
C55Two knights defence, Perreux variation3129.0%50.0%
D00Blackmar-Diemer gambit3116.1%50.0%
D45QGD semi-Slav, Rubinstein (anti-Meran) system3135.5%59.7%
D52QGD, Cambridge Springs defence, Argentine variation3119.4%48.4%
E73King's Indian, Semi-Averbakh system3116.1%56.5%
C41Philidor, Philidor counter-gambit3016.7%51.7%
C45Scotch, Horwitz attack3036.7%55.0%
C60Ruy Lopez, Cozio defence, Paulsen variation3036.7%51.7%
D64QGD, Orthodox defence, Rubinstein attack, Karlsbad variation3036.7%41.7%
D94Gruenfeld with e3 Bd33040.0%60.0%
B02Alekhine's defence, Welling variation2927.6%44.8%
B15Caro-Kann, Alekhine gambit2948.3%55.2%
C40Damiano's defence2927.6%55.2%
C45Scotch, Romanishin variation2931.0%43.1%
C65Ruy Lopez, Berlin defence, Duras variation2931.0%46.6%
C88Ruy Lopez, closed, Balla variation2937.9%63.8%
C89Ruy Lopez, Marshall, Herman Steiner variation296.9%48.3%
D57QGD, Lasker defence, Bernstein variation2937.9%50.0%
A74Benoni, classical, 9...a6, 10.a42832.1%51.8%
B32Sicilian, Nimzovich variation2814.3%53.6%
C21Danish gambit, Soerensen defence2821.4%53.6%
C48Four knights, Ranken variation2825.0%44.6%
C62Ruy Lopez, old Steinitz defence, Nimzovich attack2817.9%69.6%
C71Ruy Lopez, modern Steinitz defence, Three knights variation2825.0%58.9%
D18QGD Slav, Dutch, Lasker variation2810.7%66.1%
D21QGA, Ericson variation2842.9%53.6%
D31QGD, semi-Slav, Junge variation2817.9%62.5%
D32QGD, Tarrasch defence, 4.cd ed2828.6%46.4%
D54QGD, Anti-neo-orthodox variation2821.4%53.6%
E11Bogo-Indian defence, Monticelli trap2825.0%55.4%
E93King's Indian, Petrosian system, Keres variation2828.6%50.0%
A25English, closed, Taimanov variation2737.0%44.4%
A45Canard opening2718.5%50.0%
A46Queen's pawn, Torre attack, Wagner gambit2718.5%38.9%
B02Alekhine's defence, Mokele Mbembe (Buecker) variation2722.2%63.0%
C53Giuoco Piano, centre-holding variation2722.2%63.0%
C56Two knights defence, Canal variation2748.1%42.6%
D41QGD, Semi-Tarrasch, Kmoch variation2748.1%61.1%
E15Queen's Indian, Buerger variation2722.2%51.9%
E23Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc62722.2%40.7%
E57Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd2729.6%70.4%
A01Nimzovich-Larsen attack, Polish variation2634.6%51.9%
A21English, Keres variation2634.6%44.2%
B01Scandinavian, Mieses-Kotrvc gambit267.7%50.0%
C13French, classical, Tartakower variation2626.9%55.8%
C41Philidor, Hanham, Krause variation2623.1%69.2%
C52Evans gambit, compromised defence2611.5%51.9%
C90Ruy Lopez, closed, Lutikov variation2650.0%51.9%
D45QGD semi-Slav, stonewall defence2619.2%67.3%
E24Nimzo-Indian, Saemisch, Botvinnik variation2626.9%44.2%
A00Novosibirsk opening258.0%48.0%
C36KGA, Abbazia defence (classical defence, modern defence[!])2520.0%54.0%
C45Scotch, Pulling counter-attack2520.0%58.0%
C54Giuoco Piano, Moeller (Therkatz) attack2544.0%38.0%
D50QGD, Semi-Tarrasch, Primitive Pillsbury variation2528.0%38.0%
E08Catalan, closed, Spassky gambit2524.0%56.0%
A43Old Benoni, Schmid's system2429.2%52.1%
B20Sicilian, wing gambit, Carlsbad variation2416.7%58.3%
B40Sicilian, Marshall variation2416.7%41.7%
B60Sicilian, Richter-Rauzer, Bondarevsky variation2433.3%54.2%
C13French, classical2412.5%52.1%
C33KGA, bishop's gambit, Cozio (Morphy) defence2441.7%37.5%
C46Four knights, Schultze-Mueller gambit2429.2%39.6%
D33QGD, Tarrasch, Wagner variation2429.2%60.4%
D48QGD semi-Slav, Meran, Pirc variation2437.5%52.1%
D51QGD2412.5%68.8%
D69QGD, Orthodox defence, classical, 13.de2458.3%50.0%
A00Anti-Borg (Desprez) opening2321.7%58.7%
B12de Bruycker defence2330.4%50.0%
B34Sicilian, accelerated fianchetto, exchange variation2334.8%47.8%
B85Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc62321.7%50.0%
C20KP, Patzer opening2330.4%58.7%
C24Bishop's opening, Urusov gambit2321.7%41.3%
C29Vienna gambit, Paulsen attack2326.1%52.2%
C60Ruy Lopez, Lucena defence2321.7%45.7%
C80Ruy Lopez, open, Schlechter defence2339.1%32.6%
D08QGD, Albin counter-gambit, Alapin variation2334.8%60.9%
D50QGD, Semi-Tarrasch2347.8%58.7%
D60QGD, Orthodox defence, Rauzer variation2326.1%56.5%
E03Catalan, open, 5.Qa4 Nbd7, 6.Qxc42330.4%58.7%
B44Sicilian, Szen variation, Dely-Kasparov gambit2236.4%54.5%
C33KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit229.1%45.5%
C44Konstantinopolsky opening2213.6%43.2%
D63QGD, Orthodox defence, Pillsbury attack2240.9%43.2%
B13Caro-Kann, Panov-Botvinnik, Herzog defence2123.8%54.8%
C14French, classical variation2114.3%21.4%
C38KGA, Hanstein gambit2119.0%38.1%
C41Philidor, Nimzovich variation2128.6%57.1%
C49Four knights, Janowski variation2138.1%38.1%
C51Evans gambit declined2138.1%42.9%
C53Giuoco Piano, Anderssen variation2152.4%54.8%
D06Queen's Gambit2119.0%57.1%
D53QGD, 4.Bg5 Be7, 5.e3 O-O2138.1%52.4%
B64Sicilian, Richter-Rauzer, Rauzer attack, Geller variation205.0%77.5%
C10French, Rubinstein, Capablanca line2035.0%52.5%
C33KGA, Breyer gambit2040.0%30.0%
C33KGA, bishop's gambit, Maurian defence2020.0%55.0%
C83Ruy Lopez, open, 9...Be7, 10.Re12030.0%55.0%
D51QGD, Manhattan variation2025.0%52.5%
A10English, Jaenisch gambit1921.1%68.4%
A83Dutch, Staunton gambit, Alekhine variation1931.6%63.2%
C22Centre game1931.6%63.2%
C23Bishop's opening, Philidor variation1926.3%55.3%
C39KGA, Kieseritsky, Rice gambit1952.6%26.3%
C41Philidor, Boden variation1910.5%52.6%
C42Petrov, classical attack, Berger variation1936.8%55.3%
C45Scotch, Blackburne attack1957.9%50.0%
C57Two knights defence, Lolli attack1921.1%57.9%
C60Ruy Lopez, Nuernberg variation1936.8%44.7%
C78Ruy Lopez, Wing attack1947.4%60.5%
D32QGD, Tarrasch defence, Marshall gambit1936.8%50.0%
D83Gruenfeld, Gruenfeld gambit, Botvinnik variation1963.2%42.1%
D86Gruenfeld, exchange, Larsen variation1926.3%60.5%
E78King's Indian, Four pawns attack, with Be2 and Nf31942.1%57.9%
A03Bird's opening, Lasker variation1838.9%47.2%
A03Bird's opening, Williams gambit1816.7%58.3%
B00Barnes defence1816.7%63.9%
B01Scandinavian, Richter variation1822.2%72.2%
B23Sicilian, Grand Prix attack, Schofman variation1827.8%30.6%
C12French, MacCutcheon, Bernstein variation185.6%52.8%
C37KGA, Blachly gambit1816.7%36.1%
C41Philidor, Philidor counter-gambit, Zukertort variation1833.3%55.6%
C79Ruy Lopez, Steinitz defence deferred, Lipnitsky variation1844.4%50.0%
C82Ruy Lopez, open, Berlin variation1833.3%61.1%
D35QGD, exchange, chameleon variation1827.8%63.9%
D65QGD, Orthodox defence, Rubinstein attack, main line1827.8%41.7%
A06Tennison (Lemberg, Zukertort) gambit1717.6%61.8%
A45Queen's pawn, Bronstein gambit1711.8%47.1%
B05Alekhine's defence, modern, Panov variation1735.3%70.6%
B21Sicilian, Andreaschek gambit1747.1%64.7%
B45Sicilian, Taimanov, American attack1747.1%41.2%
C23Bishop's opening, Calabrese counter-gambit, Jaenisch variation1711.8%64.7%
C57Two knights defence, Fritz, Gruber variation1735.3%52.9%
C64Ruy Lopez, classical defence, Charousek variation1717.6%67.6%
C65Ruy Lopez, Berlin defence, Mortimer variation175.9%67.6%
C81Ruy Lopez, open, Howell attack, Ekstroem variation1752.9%61.8%
E92King's Indian, classical variation1717.6%44.1%
A00Global opening1618.8%71.9%
A22English, Bellon gambit1612.5%43.8%
A82Dutch, Staunton gambit, Tartakower variation1618.8%53.1%
A84Dutch, Staunton gambit deferred1625.0%37.5%
B00KP, Colorado counter1631.3%59.4%
B02Alekhine's defence, Krejcik variation1631.3%34.4%
B03Alekhine's defence, O'Sullivan gambit166.3%59.4%
B73Sicilian, dragon, classical, Zollner gambit1637.5%25.0%
C13French, classical, Frankfurt variation1618.8%84.4%
C20KP, King's head opening1631.3%59.4%
C24Bishop's opening, Ponziani gambit1625.0%43.8%
C44Ponziani, Reti variation166.3%53.1%
C52Evans gambit, compromised defence, Paulsen variation1625.0%68.8%
E20Nimzo-Indian, Mikenas attack1631.3%34.4%
E60King's Indian, Danube gambit1631.3%53.1%
B02Alekhine's defence, Spielmann variation1533.3%56.7%
C03French, Tarrasch, Haberditz variation1513.3%66.7%
C20KP, Napoleon's opening1540.0%53.3%
C31KGD, Falkbeer, 4.d31533.3%63.3%
C41Philidor, Lopez counter-gambit1513.3%80.0%
C45Scotch, Tartakower variation1540.0%60.0%
C48Four knights, Rubinstein counter-gambit, Bogolyubov variation1533.3%56.7%
C61Ruy Lopez, Bird's defence, Paulsen variation1533.3%50.0%
C80Ruy Lopez, open, 8.de1520.0%56.7%
E03Catalan, open, Alekhine variation156.7%43.3%
E36Nimzo-Indian, classical, Botvinnik variation1533.3%56.7%
A02Bird's opening, Swiss gambit1414.3%64.3%
A59Benko gambit, Ne2 variation1428.6%64.3%
A68Benoni, four pawns attack140.0%42.9%
B01Scandinavian defence, Gruenfeld variation1435.7%53.6%
B12Caro-Masi defence1414.3%50.0%
B27Sicilian, Stiletto (Althouse) variation1414.3%71.4%
B98Sicilian, Najdorf, Goteborg (Argentine) variation1435.7%46.4%
C10French, Marshall variation1435.7%67.9%
C19French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation1450.0%53.6%
C25Vienna, Pierce gambit147.1%32.1%
C30KGD, Norwalde variation1428.6%50.0%
C39KGA, Kieseritsky, Salvio (Rosenthal) defence1450.0%60.7%
C41Philidor, Steinitz variation1421.4%53.6%
C43Petrov, modern attack, Bardeleben variation1421.4%67.9%
C45Scotch, Paulsen attack1428.6%28.6%
C67Ruy Lopez, Berlin defence, Zukertort variation1457.1%42.9%
C89Ruy Lopez, Marshall, Kevitz variation1428.6%42.9%
D50QGD, Been-Koomen variation1428.6%42.9%
D51QGD, Alekhine variation1421.4%53.6%
D90Gruenfeld, Schlechter variation1428.6%64.3%
E23Nimzo-Indian, Spielmann, Karlsbad variation1428.6%35.7%
E60King's Indian, 3.g3, counterthrust variation1421.4%46.4%
A58Benko gambit, Nd2 variation1330.8%53.8%
B09Pirc, Austrian attack, Ljubojevic variation1323.1%73.1%
B27Sicilian, Acton extension1323.1%57.7%
C13French, classical, Anderssen-Richter variation1315.4%30.8%
C42Petrov, French attack1315.4%69.2%
C46Three knights, Schlechter variation1338.5%65.4%
C46Three knights, Steinitz, Rosenthal variation1361.5%61.5%
C48Four knights, Rubinstein counter-gambit, 5.Be21323.1%57.7%
C51Evans gambit declined, Cordel variation1330.8%30.8%
C53Giuoco Piano, LaBourdonnais variation1338.5%57.7%
C70Ruy Lopez, fianchetto defence deferred1338.5%73.1%
C83Ruy Lopez, open, Malkin variation1330.8%69.2%
D33QGD, Tarrasch, Schlechter-Rubinstein system1323.1%50.0%
E72King's Indian, Pomar system1353.8%57.7%
A00Amar gambit1216.7%50.0%
A57Benko gambit, Nescafe Frappe attack120.0%33.3%
C12French, MacCutcheon, advance variation1241.7%54.2%
C14French, classical, Pollock variation120.0%41.7%
C15French, Winawer, Kondratiyev variation1241.7%62.5%
C29Vienna gambit, Kaufmann variation1241.7%62.5%
C31KGD, Falkbeer, Tartakower variation128.3%87.5%
C37KGA, Quaade gambit128.3%12.5%
C40Latvian, Fraser defence128.3%62.5%
C41Philidor, Nimzovich, Klein variation128.3%62.5%
C51Evans gambit, Morphy attack1233.3%58.3%
C51Evans gambit, normal variation1233.3%41.7%
C79Ruy Lopez, Steinitz defence deferred, Rubinstein variation1216.7%66.7%
D51QGD, Capablanca anti-Cambridge Springs variation1216.7%58.3%
D98Gruenfeld, Russian, Keres variation1225.0%70.8%
E37Nimzo-Indian, classical, San Remo variation1241.7%54.2%
A16English, Anglo-Gruenfeld defense, Korchnoi variation1136.4%63.6%
A38English, symmetrical, main line with b31136.4%36.4%
A83Dutch, Staunton gambit, Lasker variation1127.3%50.0%
B00Corn stalk defence1136.4%81.8%
B15Caro-Kann, Rasa-Studier gambit1127.3%40.9%
C33KGA, bishop's gambit, classical defence119.1%22.7%
C37KGA, Muzio gambit119.1%13.6%
C43Petrov, modern attack, Steinitz variation1127.3%59.1%
C48Four knights, Marshall variation1118.2%63.6%
C51Evans gambit, Goering attack1127.3%59.1%
C58Two knights defence, Paoli variation1118.2%81.8%
C65Ruy Lopez, Berlin defence, Kaufmann variation1118.2%45.5%
C68Ruy Lopez, exchange, Romanovsky variation1118.2%45.5%
C80Ruy Lopez, open, Bernstein variation, Karpov gambit1163.6%68.2%
C80Ruy Lopez, open, Tartakower variation1136.4%63.6%
D00Blackmar-Diemer, Euwe defence110.0%45.5%
E87King's Indian, Saemisch, orthodox, Bronstein variation1127.3%59.1%
B31Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation1040.0%40.0%
B37Sicilian, accelerated fianchetto, Simagin variation1030.0%45.0%
C29Vienna gambit, Bardeleben variation1020.0%30.0%
C30KGD, classical, Marshall attack1020.0%50.0%
C30KGD, classical, Soldatenkov variation1020.0%60.0%
C37KGA, Salvio gambit1020.0%50.0%
C44Ponziani, Romanishin variation1060.0%60.0%
C44Scotch, Goering gambit, Bardeleben variation1020.0%40.0%
C45Scotch, Blumenfeld attack1040.0%20.0%
C51Evans gambit declined, Showalter variation1020.0%50.0%
C52Evans gambit, Lasker defence1040.0%50.0%
C67Ruy Lopez, Berlin defence, Winawer attack1070.0%45.0%
D22QGA, Alekhine defence, Alatortsev variation1050.0%65.0%
A00Amsterdam attack933.3%50.0%
A00Battambang opening933.3%27.8%
A47Queen's Indian, Marienbad system, Berg variation922.2%55.6%
B13Caro-Kann, Panov-Botvinnik, Gunderam attack933.3%38.9%
B20Sicilian, Gloria variation922.2%55.6%
C01French, exchange, Bogolyubov variation922.2%33.3%
C13French, Albin-Alekhine-Chatard attack, Teichmann variation922.2%88.9%
C32KGD, Falkbeer, main line, 7...Bf5977.8%38.9%
C33King's gambit accepted922.2%44.4%
C38King's knight's gambit911.1%50.0%
C42Petrov, classical attack, Tarrasch variation933.3%83.3%
C58Two knights defence, Colman variation90.0%77.8%
C60Ruy Lopez, Vinogradov variation933.3%50.0%
C70Ruy Lopez, Graz variation933.3%61.1%
A59Benko gambit, 7.e4837.5%56.3%
B00Fred80.0%87.5%
B02Alekhine's defence, Steiner variation825.0%37.5%
B24Sicilian, closed, Smyslov variation837.5%68.8%
B72Sicilian, dragon, classical, Grigoriev variation850.0%62.5%
C12French, MacCutcheon, Grigoriev variation862.5%56.3%
C33KGA, bishop's gambit, Paulsen attack812.5%43.8%
C41Philidor, Hanham, Delmar variation850.0%75.0%
C55Two knights, Max Lange attack, Steinitz variation812.5%56.3%
C67Ruy Lopez, Berlin defence, Rio de Janeiro variation850.0%75.0%
C80Ruy Lopez, open, Friess attack850.0%37.5%
D43QGD semi-Slav, Hastings variation825.0%25.0%
E21Nimzo-Indian, three knights, Euwe variation837.5%56.3%
E83King's Indian, Saemisch, Ruban variation812.5%56.3%
A03Mujannah opening70.0%42.9%
A42Modern defence, Averbakh system, Randspringer variation728.6%28.6%
A70Benoni, classical without 9.O-O714.3%78.6%
A81Dutch, Leningrad, Karlsbad variation742.9%64.3%
A83Dutch, Staunton gambit, Nimzovich variation714.3%50.0%
B18Caro-Kann, classical, Maroczy attack742.9%64.3%
C15French, Winawer, Alekhine gambit70.0%71.4%
C22Centre game, Charousek variation714.3%50.0%
C25Vienna, Steinitz gambit, Fraser-Minckwitz variation714.3%50.0%
C31KGD, Falkbeer, Nimzovich variation70.0%42.9%
C33KGA, Villemson (Steinitz) gambit728.6%42.9%
C33KGA, bishop's gambit, Boden defence714.3%35.7%
C44Tayler opening728.6%28.6%
C48Four knights, Bardeleben variation728.6%57.1%
C51Evans gambit, 5...Be7771.4%35.7%
C57Two knights defence, Pincus variation742.9%64.3%
C70Ruy Lopez, Alapin's defence deferred70.0%42.9%
C80Ruy Lopez, open, Zukertort variation714.3%50.0%
D32QGD, Tarrasch defence, Tarrasch gambit728.6%42.9%
D55QGD, Neo-orthodox variation757.1%57.1%
D67QGD, Orthodox defence, Bd3 line, Janowski variation757.1%42.9%
D68QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)771.4%64.3%
D97Gruenfeld, Russian, Levenfish variation728.6%42.9%
E14Queen's Indian, Averbakh variation728.6%28.6%
A40Queen's pawn, Charlick (Englund) gambit60.0%83.3%
B00KP, Nimzovich defence, Marshall gambit616.7%41.7%
B02Alekhine's defence, Kmoch variation60.0%50.0%
C12French, MacCutcheon, Bogolyubov variation616.7%75.0%
C14French, classical, Tarrasch variation650.0%75.0%
C23Bishop's opening, Lewis counter-gambit633.3%50.0%
C24Bishop's opening, Urusov gambit, Panov variation616.7%58.3%
C27Boden-Kieseritsky gambit, Lichtenhein defence633.3%33.3%
C30KGD, classical counter-gambit616.7%58.3%
C30KGD, classical, Reti variation616.7%75.0%
C33KGA, bishop's gambit, Anderssen variation616.7%75.0%
C40King's knight opening616.7%41.7%
C40Latvian gambit, 3.Bc4633.3%66.7%
C40Latvian, Polerio variation60.0%33.3%
C48Four knights, Spielmann variation633.3%50.0%
C51Evans gambit60.0%0.0%
C52Evans gambit, Richardson attack616.7%25.0%
C52Evans gambit, Waller attack616.7%41.7%
C57Two knights defence, Fritz variation616.7%58.3%
C60Ruy Lopez, Brentano defence616.7%58.3%
C65Ruy Lopez, Berlin defence, Anderssen variation616.7%8.3%
C80Ruy Lopez, open, Berger variation666.7%33.3%
C82Ruy Lopez, open, 9.c3616.7%58.3%
A02Bird, From gambit, Lipke variation520.0%30.0%
A04Reti, Wade defence540.0%80.0%
A54Old Indian, Dus-Khotimirsky variation50.0%60.0%
A66Benoni, pawn storm variation560.0%70.0%
A82Dutch, Balogh defence50.0%60.0%
B01Scandinavian, Anderssen counter-attack, Goteborg system50.0%100.0%
B01Scandinavian, Kiel variation520.0%90.0%
B03Alekhine's defence, exchange, Karpov variation540.0%40.0%
B05Alekhine's defence, modern, Alekhine variation560.0%50.0%
B77Sicilian, dragon, Yugoslav attack, Byrne variation50.0%80.0%
C13French, Albin-Alekhine-Chatard attack, Maroczy variation540.0%20.0%
C17French, Winawer, advance, Rauzer variation540.0%40.0%
C23Bishop's opening, Lewis gambit540.0%40.0%
C25Vienna, Steinitz gambit540.0%60.0%
C30KGD, classical, Svenonius variation520.0%50.0%
C31KGD, Falkbeer, 3...e4540.0%60.0%
C31KGD, Falkbeer, Morphy gambit540.0%60.0%
C33KGA, bishop's gambit, Ruy Lopez defence540.0%40.0%
C38KGA, Philidor gambit, Schultz variation50.0%20.0%
C39KGA, Kieseritsky, Paulsen defence540.0%40.0%
C41Philidor, Nimzovich, Sokolsky variation520.0%50.0%
C41Philidor, Philidor counter-gambit, del Rio attack540.0%60.0%
C49Four knights, symmetrical, Tarrasch variation540.0%60.0%
C50Rousseau gambit50.0%60.0%
C58Two knights defence, Yankovich variation540.0%40.0%
C80Ruy Lopez, open, Harksen gambit50.0%60.0%
C82Ruy Lopez, open, Motzko attack, Nenarokov variation520.0%30.0%
C83Ruy Lopez, open, Breslau variation50.0%80.0%
C88Ruy Lopez, Noah's ark trap50.0%60.0%
C96Ruy Lopez, closed, Rossolimo defence520.0%70.0%
D34QGD, Tarrasch, Bogolyubov variation540.0%20.0%
D53QGD, Lasker variation520.0%50.0%
E36Nimzo-Indian, classical, Noa variation, main line50.0%20.0%
E77King's Indian, Four pawns attack, 6.Be250.0%40.0%
A02Bird, Hobbs gambit425.0%62.5%
A25English, closed, 5.Rb1 Taimanov variation425.0%37.5%
A43Hawk (Habichd) defence425.0%37.5%
A66Benoni, Mikenas variation450.0%50.0%
B13Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation425.0%87.5%
B71Sicilian, dragon, Levenfish; Flohr variation425.0%62.5%
C12French, MacCutcheon, Tartakower variation450.0%50.0%
C13French, classical, Vistaneckis (Nimzovich) variation40.0%75.0%
C14French, classical, Stahlberg variation450.0%75.0%
C22Centre game, Hall variation425.0%87.5%
C25Vienna, Hamppe-Allgaier gambit425.0%37.5%
C31KGD, Falkbeer, Rubinstein variation450.0%50.0%
C38KGA, Philidor gambit40.0%25.0%
C39KGA, Kieseritsky, Neumann defence425.0%62.5%
C49Four knights, symmetrical, Blake variation475.0%62.5%
C52Evans gambit, Alapin-Steinitz variation450.0%75.0%
C53Giuoco Piano, Tarrasch variation425.0%62.5%
C54Giuoco Piano, Greco's attack425.0%37.5%
C55Two knights, Max Lange attack, Marshall variation450.0%50.0%
C58Two knights defence, Blackburne variation450.0%75.0%
C66Ruy Lopez, closed Berlin defence, Chigorin variation40.0%75.0%
C67Ruy Lopez, open Berlin defence, Showalter variation425.0%62.5%
D26QGA, classical, Furman variation475.0%37.5%
D30QGD, Spielmann variation450.0%75.0%
D31QGD, semi-Slav, Koomen variation450.0%50.0%
D63QGD, Orthodox defence, Capablanca variation40.0%75.0%
E08Catalan, closed, Zagoryansky variation450.0%75.0%
E23Nimzo-Indian, Spielmann, San Remo variation475.0%62.5%
A56Vulture defence30.0%33.3%
A80Dutch, Spielmann gambit333.3%16.7%
B40Sicilian, Pin, Jaffe variation30.0%100.0%
C11French, Steinitz, Bradford attack30.0%33.3%
C12French, MacCutcheon, Duras variation366.7%66.7%
C21Danish gambit, Collijn defence30.0%33.3%
C30KGD, classical, Heath variation366.7%33.3%
C32KGD, Falkbeer, Reti variation366.7%33.3%
C33KGA, bishop's gambit, Boren-Svenonius variation30.0%66.7%
C37KGA, Rosentreter gambit333.3%83.3%
C41Philidor, Paulsen attack30.0%100.0%
C45Scotch, Ghulam Kassim variation333.3%83.3%
C49Four knights, Svenonius variation30.0%66.7%
C57Two knights defence, Fegatello attack, Leonhardt variation30.0%0.0%
C62Ruy Lopez, old Steinitz defence, semi-Duras variation30.0%100.0%
C67Ruy Lopez, Berlin defence, Pillsbury variation366.7%33.3%
C67Ruy Lopez, Berlin defence, Trifunovic variation30.0%100.0%
C77Ruy Lopez, Wormald attack, Gruenfeld variation366.7%66.7%
C80Ruy Lopez, open, Richter variation30.0%33.3%
D30QGD, Stonewall variation333.3%83.3%
D50QGD, Canal (Venice) variation30.0%33.3%
E09Catalan, closed, Sokolsky variation30.0%66.7%
A46Doery defence250.0%25.0%
A86Dutch, Hort-Antoshin system20.0%50.0%
B01Scandinavian, Anderssen counter-attack250.0%75.0%
B03Alekhine's defence, four pawns attack, Ilyin-Genevsky var.20.0%50.0%
B03Alekhine's defence, four pawns attack, Planinc variation20.0%100.0%
B03Alekhine's defence, four pawns attack, Tartakower variation250.0%75.0%
B20Sicilian, wing gambit, Santasiere variation250.0%75.0%
C33KGA, Lopez-Gianutio counter-gambit, Hein variation250.0%75.0%
C33KGA, bishop's gambit, McDonnell attack250.0%75.0%
C35KGA, Cunningham, Bertin gambit20.0%50.0%
C36KGA, Abbazia defence, Botvinnik variation20.0%100.0%
C37KGA, MacDonnell gambit250.0%75.0%
C37KGA, Salvio gambit, Anderssen counter-attack20.0%50.0%
C37KGA, Silberschmidt gambit20.0%0.0%
C41Philidor, Hanham, Kmoch variation20.0%50.0%
C52Evans gambit, Levenfish variation250.0%25.0%
C53Giuoco Piano, Mestel variation250.0%75.0%
C59Two knights defence, Goering variation20.0%50.0%
D08QGD, Albin counter-gambit, Krenosz variation250.0%75.0%
D34QGD, Tarrasch, Stoltz variation20.0%100.0%
D50QGD, Semi-Tarrasch, Krause variation250.0%25.0%
A51Budapest, Fajarowicz, Steiner variation1100.0%50.0%
A80Dutch, Von Pretzel gambit1100.0%50.0%
B00Guatemala defence10.0%100.0%
C15French, Winawer, Alekhine gambit, Alatortsev variation1100.0%50.0%
C25Vienna, Steinitz gambit, Zukertort defence1100.0%50.0%
C32KGD, Falkbeer, Charousek gambit10.0%100.0%
C32KGD, Falkbeer, Keres variation1100.0%50.0%
C32KGD, Falkbeer, Tarrasch variation10.0%100.0%
C34KGA, Gianutio counter-gambit10.0%0.0%
C37KGA, Lolli gambit (wild Muzio gambit)1100.0%50.0%
C37KGA, double Muzio gambit10.0%0.0%
C39KGA, Allgaier gambit10.0%100.0%
C39KGA, Kieseritsky, Brentano (Campbell) defence10.0%100.0%
C39King's knight's gambit10.0%100.0%
C42Petrov, classical attack, Krause variation1100.0%50.0%
C44Ponziani counter-gambit, Cordel variation10.0%100.0%
C44Ponziani counter-gambit, Schmidt attack10.0%0.0%
C44Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack1100.0%50.0%
C45Scotch, Rosenthal variation10.0%0.0%
C49Four knights, Gunsberg counter-attack1100.0%50.0%
C51Evans gambit, Steinitz variation10.0%100.0%
C54Giuoco Piano, Greco variation1100.0%50.0%
C55Giuoco piano1100.0%50.0%
C55Two knights defence, Keidanz variation1100.0%50.0%
C57Two knights defence, Fegatello attack, Polerio defence10.0%0.0%
C59Two knights defence, Knorre variation1100.0%50.0%
C64Ruy Lopez, classical defence, Boden variation1100.0%50.0%
C78Ruy Lopez, Rabinovich variation10.0%100.0%
C89Ruy Lopez, Marshall, main line, Spassky variation1100.0%50.0%
C98Ruy Lopez, closed, Chigorin, Rauzer attack10.0%0.0%
D08QGD, Albin counter-gambit, Balogh variation10.0%0.0%
D08QGD, Albin counter-gambit, Janowski variation10.0%100.0%
D12QGD Slav, Landau variation1100.0%50.0%
D33QGD, Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation1100.0%50.0%
D55QGD, Pillsbury attack10.0%0.0%
D67QGD, Orthodox defence, Bd3 line, Capablanca freeing manoevre10.0%100.0%

Created in 2005-2013 by CCRL team
Last games added on November 18, 2017