E10l — Blumenfeld Countergambit Accepted (1922)
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.dxe6 fxe6 6.cxb5 d5
Les coups candidats
7.e3 — 35.1% (527 parties)
Ambassadeurs : Muzychuk, Mariya (4x), Sahovic, Dragutin (3x), O'Connell, Gerard (3x), Afizov, Marsel (2x), Sinadinovic, Andjelko (2x), Moiseev, Oleg (2x), Vaganian, Rafael A (2x), Ashby Prajeesh (2x)
7.g3 — 21.2% (319 parties)
Ambassadeurs : Kunin, Vitaly (3x), Antipov, Mikhail Al. (3x), Hertneck, Gerald (2x), Csiszar, Csaba (2x), Izeta Txabarri, Felix (2x), Valens, Vincent (2x), Cebalo, Miso (2x), Boschma, Bouwe (2x)
7.Nc3 — 21.2% (318 parties)
Ambassadeurs : Boschma, Bouwe (4x), Csiszar, Csaba (4x), Ward, Chris G (3x), Bovary, Charles (3x), Zaltsman, Vitaly (2x), Barlov, Dragan (2x), Riepe, Bernhard (2x), Heyn, Ulrich (2x)
7.Bg5 — 9.3% (139 parties)
Ambassadeurs : Spatz, Heike (2x), Korchnoi, Viktor (2x), Brinck-Claussen, Bjorn (1x), Abiolla James (1x), AGBOLO, Green Laureta (1x), Milner Barry, Philip (1x), Collins, Richard (1x), Daube, Michael M (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.e3 7.g3 7.Nc3 7.Bg5
<1800 51 39% 22% 24% 8%
1800-2200 517 44% 17% 17% 11%
2200-2600 779 29% 25% 24% 7%
2600+ 31 10% 26% 39% 3%
Évolution par décennie (% des parties)
Décennie N parties 7.e3 7.g3 7.Nc3 7.Bg5
1950s 8 25% 25%
1960s 13 38% 8% 15%
1970s 16 56% 25% 6% 6%
1980s 68 51% 9% 16% 12%
1990s 141 38% 20% 21% 12%
2000s 426 29% 27% 19% 9%
2010s 585 35% 23% 19% 10%
2020s 245 39% 13% 34% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.e3 35% 39% ▲ +3.9%
7.g3 23% 13% ▼ -10.4%
7.Nc3 19% 34% ▲ +14.8%
7.Bg5 10% 5% ▼ -4.4%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 1 partie
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie
Parties historiques
7.e3 — 35.1% (527 parties)
1956 — Ujtelky, Maximilian vs Afizov, Marsel — 0-1 — Podebrady CZE
1959 — Cherubim, Reinhard vs Thomas Andrew — 1-0 — Hastings ENG
1960 — Hoxha, Abdyl vs Soler John — 1/2-1/2 — ?
1960 — Prucha, Alexandr vs Marszalek, Rafal — 0-1 — Maehrisch-Ostrau
1960 — Prucha, Karel vs Afizov, Marsel — 0-1 — Ostrava CZE
7.g3 — 21.2% (319 parties)
1963 — Zurakhov, Vladlen Y vs Vaskans, Uldis — 1-0 — Kiev UKR
1974 — Caro, Napoleon Alberto vs Jimenez Zerquera, Eleazar — 1/2-1/2 — Camaguey CUB
1974 — Estevez De La Pena, Guillermo Santiago vs Gereben, Erno — 1/2-1/2 — Nice olm fin-B
1974 — Gulko, Boris vs Grigoryan, Karen A. — 1/2-1/2 — Leningrad ch-URS
1975 — Osnos, Viatcheslav vs Kozlov, Vladimir N — 1-0 — Chelyabinsk RUS
7.Nc3 — 21.2% (318 parties)
1972 — Abarinov, Alexey vs Peresipkin, Vladimir — 0-1 — Kaliningrad
1985 — Ehlvest, Jaan vs Rogers, Ian — 1-0 — Tallinn EST
1986 — Schulte, Oliver vs Ward, Chris G — 1-0 — Oakham ENG
1986 — Zaltsman, Vitaly vs Barlov, Dragan — 0-1 — ?
1986 — Zaltsman, Vitaly vs Barlov, Dragan — 0-1 — New York, NY USA
7.Bg5 — 9.3% (139 parties)
1959 — AGBOLO, Green Laureta vs Milner Barry, Philip — 0-1 — York ENG
1959 — Kholmov, Ratmir D vs Portisch, Lajos — 1-0 — Balantonfured
1968 — Collins, Richard vs Daube, Michael M — 1/2-1/2 — Swansea WLS
1969 — Brinck-Claussen, Bjorn vs Abiolla James — 1-0 — Castlebar IRL
1977 — Ivanov, Igor V. vs Mnatsakanian, Eduard A — 0-1 — Erevan ARM