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C68g — Exchange Keres Variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3
Eval: [-0.13]
Les coups candidats
Ambassadeurs : Yandemirov, Valeri (39x), Stanojoski, Zvonko (25x), Korchut, Adam (17x), Solak, Dragan (17x), Donev, Ivo (15x), Rasik, Vitezslav (13x), Cardoso, Sergio Carlos de Almeida (12x), Holzhaeuer, Mathias (12x)
5…Bd6 — 17.6% (691 parties)
Ambassadeurs : Alekhine, Alexander (8x), Andreev, Dobrotich (8x), Breja, Stanislav (7x), Surya, Benito (5x), Donev, Ivo (4x), Van Riemsdijk, Herman C. (4x), Leeuwestein, Cor (4x), Bones Richard (4x)
5…Bg4 — 11.5% (451 parties)
Ambassadeurs : Andreev, Dobrotich (11x), Lasker, Emanuel (4x), Yandemirov, Valeri (4x), Letay, Gyula (4x), Breja, Stanislav (4x), Isepy, Jozsef (3x), Grivas, Efstratios (3x), Hajioannou, Dimos (3x)
5…Qd6 — 9.6% (377 parties)
Ambassadeurs : Solak, Dragan (8x), Romanishin, Oleg M (6x), Moroz, Adrian (4x), Chura, Jan (4x), Rozentalis, Eduardas (4x), Tverskaya, Julia (3x), Smejkal, Jan (3x), Donev, Ivo (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…f6 5…Bd6 5…Bg4 5…Qd6
<1800 123 33% 31% 16% 5%
1800-2200 1045 45% 20% 14% 9%
2200-2600 1454 59% 11% 7% 14%
2600+ 33 61% 3% 9% 24%
Évolution par décennie (% des parties)
Décennie N parties 5…f6 5…Bd6 5…Bg4 5…Qd6
1870s 1
1880s 4 50% 50%
1890s 13 15% 23%
1900s 34 12% 15% 15% 3%
1910s 31 19% 3% 16%
1920s 72 56% 11% 10%
1930s 35 57% 14% 6% 3%
1940s 23 57% 9% 9%
1950s 91 60% 8% 13% 2%
1960s 93 60% 9% 14% 4%
1970s 75 71% 8% 9% 4%
1980s 159 52% 14% 9% 14%
1990s 846 50% 18% 10% 13%
2000s 1178 44% 21% 13% 11%
2010s 1006 48% 19% 12% 8%
2020s 256 51% 16% 9% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…f6 48% 51% ▲ +2.4%
5…Bd6 19% 16% ▼ -2.4%
5…Bg4 12% 9% ▼ -2.6%
5…Qd6 8% 7% ▼ -1.4%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Steinitz, Wilhelm — 3 parties
Botvinnik, Mikhail — 3 parties
Euwe, Max — 3 parties
Smyslov, Vladimir — 3 parties
Karpov, Anatoly — 2 parties
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Parties historiques
5…f6 — 48.2% (1887 parties)
1883 — Teed, Frank vs Steinitz, Wilhelm — 1-0 — New York, NY USA
1883 — Teed, vs Steinitz, David — 1-0 — New York, NY USA
1896 — Lasker, Emanuel vs Steinitz, Wilhelm — 1-0 — Moskou wch-m
1899 — Lasker, Emanuel vs Schlechter, Carl — 1/2-1/2 — London ENG
1902 — Lasker, Emanuel vs Cohn, Erich — 1-0 — USA
5…Bd6 — 17.6% (691 parties)
1905 — Finn Julius vs Bampton, Samuel — 1/2-1/2 — Sylvan Beach
1907 — Schories, Georg vs Shoosmith, Hector W — 1-0 — Ostende II
1908 — Lasker, Emanuel vs J van Roon — 1-0 — Rotterdam NED
1909 — Pritzel, Axel Carl Martin vs Ahlberg, Algot — 1/2-1/2 — Goteborg SWE
1909 — Loewy, Leopold Jr vs Strobl, Otto — 1-0 — Vienna AUT
5…Bg4 — 11.5% (451 parties)
1886 — Schallopp, Emil vs Gunsberg, Isidor — 1-0 — Nottingham ENG
1886 — Schallopp, Emil vs Hanham, James — 1-0 — Nottingham ENG
1896 — Lasker, Emanuel vs Steinitz, Wilhelm — 1-0 — Moskou wch-m
1898 — Lasker, Emanuel vs Wright, Warner — 1-0 — Great Britain
1898 — Maroczy, Geza vs D Marco, Gianni — 1/2-1/2 — Vienna AUT
5…Qd6 — 9.6% (377 parties)
1907 — Wolf Heinrich vs Janowski, Dawid — 1-0 — Carlsbad CZE
1933 — Alekhine, Alexander vs Ellerbrock, Manfred — 1-0 — Bandoeng
1952 — Goldenov, Boris P vs Bronstein, David I — 1/2-1/2 — Moskou ch-URS
1958 — Liublinsky, Victor vs Vatnikov, Joseph — 1-0 — Moscow RUS
1960 — Orbaan, Constant vs Hamann, Svend — 1-0 — Copenhagen DEN