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B13a — Exchange Variation
1.e4 c6 2.d4 d5 3.exd5
Eval: [+0.16]
Les coups candidats
Ambassadeurs : ? (175x), Sveshnikov, Evgeny (119x), Meduna, Eduard (116x), Burmakin, Vladimir (113x), Eperjesi, Laszlo Dr. (111x), Arkell, Keith C (110x), Lyell, Mark (82x), Kovacs, Arthur Dr. (72x)
Ambassadeurs : Diaz Begonte, Manuel (9x), Szendeff, Miklos (5x), Oelke, Bernd (4x), Stuart, Philip J. (4x), Jeske, Eckhard (4x), Matisons, Hermanis (3x), Fucak, Emilio Milko (3x), Le Chequer, Laetitia (3x)
3…Nf6 — 0.1% (53 parties)
Ambassadeurs : Ponsarnau Marquilles, Jaume (3x), Wolny, Christine (1x), Dewitz, Doris (1x), Furmanski, Rod (1x), Fitzgerald, Mary (1x), Bode, Dorel-Ioan (1x), Saghin, Ion (1x), Jacobowitz J (1x)
3…Qa5+ — 0.0% (7 parties)
Ambassadeurs : Alekhine, Alexander (1x), Vitta Benkhedda, Elies (1x), Smajkic Serif (1x), Juritsch, Franz (1x), Neely, Richard (1x), Varner, Bill (1x), Hoose, Hannelore (1x), Schulze, Hannelore (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…cxd5 3…Qxd5 3…Nf6 3…Qa5+
<1800 3848 99% 1% 0% 0%
1800-2200 30729 99% 1% 0%
2200-2600 24201 100% 0% 0% 0%
2600+ 822 100%
Évolution par décennie (% des parties)
Décennie N parties 3…cxd5 3…Qxd5 3…Nf6 3…Qa5+
1860s 1 100%
1880s 8 100%
1890s 4 100%
1900s 24 71% 29%
1910s 42 95% 2%
1920s 163 95% 4% 1%
1930s 345 99% 1%
1940s 251 99% 1%
1950s 169 99% 1%
1960s 845 100% 0%
1970s 1437 100% 0%
1980s 3460 100% 0% 0%
1990s 14270 99% 1% 0% 0%
2000s 23285 99% 1% 0% 0%
2010s 24999 99% 1% 0% 0%
2020s 9209 100% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…cxd5 99% 100% +0.5%
3…Qxd5 1% 0% -0.5%
3…Nf6 0% 0% -0.0%
3…Qa5+ 0% 0% -0.0%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 10 parties
Euwe, Max — 10 parties
Tal, Mikhail — 10 parties
Botvinnik, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Aleksandr — 10 parties
Karpov, Anatoly — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 10 parties
Gukesh D — 10 parties
Smyslov, Vladimir — 5 parties
Ding, Liren — 4 parties
Kramnik, Vladimir — 4 parties
Lasker, Emanuel — 2 parties
Fischer, Robert James — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
3…cxd5 — 99.2% (77907 parties)
1866 — Owen Louis B vs Mapes Robert — 1-0 — ?
1880 — Tarrasch vs Von Scheve, Theodor — 1-0 — Breslau GER
1880 — Tarrasch, Siegbert vs Von Scheve, Theodor — 1-0 — Breslau GER
1883 — Schottlaender, Arnold vs White, Max — 0-1 — Nuerenberg GER
1883 — Atayupanqui Noa, Milagros Lluvia vs Winawer — 0-1 — London ENG
3…Qxd5 — 0.7% (531 parties)
1903 — Lebedev, Semen vs Izbinsky, Stefan — 1-0 — Kiev UKR
1903 — Nikolaev, Bogdan vs Yurevich, Vladimir — 0-1 — Kiev UKR
1903 — Izbinsky, Stefan vs Yurevich, Vladimir — 1-0 — Kiev UKR
1903 — Nikolaev, Bogdan vs Izbinsky, S. — 1/2-1/2 — Kiev UKR
1904 — Gunston, William H vs Lee, Francis J — 1-0 — London ENG
3…Nf6 — 0.1% (53 parties)
1988 — Wolny, Christine vs Dewitz, Doris — 1/2-1/2 — Landes-Einzelmeister
1990 — Markgraf, Adolf vs De Melo Lux, Maira — 1-0 — corr DDR
1991 — Bencze, Laszlo Dr vs Wozny, Michael — 1/2-1/2 — Zalakaros
1991 — Giovannetti, Mark J vs Brown Taylor, Pablo — 1-0 — Naples ITA
1992 — Purtov, Andrei vs Kis, Bela — 1-0 — Budapest HUN
3…Qa5+ — 0.0% (7 parties)
1923 — Alekhine, Alexander vs Vitta Benkhedda, Elies — 1-0 — France
1994 — Hoose, Hannelore vs Schulze, Hannelore — 1-0 — Wuppertal
1997 — Smajkic Serif vs Juritsch, Franz — 1-0 — Finkenstein
1998 — Neely, Richard vs Varner, Bill — 1-0 — Kalamazoo, MI
2004 — Spaan, Tigran vs Blanchard, Ja — 1/2-1/2 — Amsterdam NED