E10l — Blumenfeld:
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.dxe6 fxe6 6.cxb5 d5
Les coups candidats
7.e3 — 34.6% (496 parties)
Ambassadeurs : ? (4x), Sahovic, Dragutin (3x), O'Connell, Gerard (3x), Tarrasch, Siegbert (2x), Alekhine, Alexander (2x), Marsalek, Josef (2x), Ashby Prajeesh (2x), Sinadinovic, Andjelko (2x)
7.g3 — 21.8% (313 parties)
Ambassadeurs : Valens, Vincent (3x), Ovetchkin, Roman (3x), Kunin, Vitaly (3x), Antipov, Mikhail Al. (3x), Csiszar, Csaba (2x), Hertneck, Gerald (2x), Feygin, Michael (2x), Wojciechowski, Piotr (2x)
7.Nc3 — 20.4% (293 parties)
Ambassadeurs : Bovary, Charles (4x), Ward, Chris G (3x), Alekseev, Evgeny (3x), Csiszar, Csaba (3x), Vardanyan, Aras (3x), Zaltsman, Vitaly (2x), Barlov, Dragan (2x), Riepe, Bernhard (2x)
7.Bg5 — 9.7% (139 parties)
Ambassadeurs : Van Hoolandt, Patrick (4x), Draghici Flutur, Gavril (2x), Korchnoi, Viktor (2x), Kan, Ilya A (1x), Goldenov, Boris P (1x), Herzog, Franz (1x), Pitschak, Rudolf (1x), Green, Arnold Yorwarth (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 12 58% 25% 8% 8%
1800-2200 427 44% 16% 17% 11%
2200-2600 794 28% 26% 23% 8%
2600+ 31 10% 26% 35% 3%
Évolution par décennie (% des parties)
Décennie N parties 7.e3 7.g3 7.Nc3 7.Bg5
1920s 4 50% 25%
1930s 4 25% 25% 25%
1940s 4 50% 25%
1950s 8 25% 25%
1960s 12 42% 8% 17%
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 578 35% 23% 20% 10%
2020s 173 36% 14% 35% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.e3 35% 36% ▲ +1.1%
7.g3 23% 14% ▼ -9.3%
7.Nc3 20% 35% ▲ +15.1%
7.Bg5 10% 6% ▼ -3.5%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 2 parties
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie
Parties historiques
7.e3 — 34.6% (496 parties)
1922 — Tarrasch, Siegbert vs Alekhine, Alexander — 0-1 — Bad Pistyan CZE
1922 — Tarrasch, Siegbert vs Alekhine, Alexander — 0-1 — It Bad Pistyan CZE
1931 — Rethy, Pal vs Rellstab, Ludwig — 1-0 — Brno Brno CZE
1941 — Kovacs, Edward vs ? — 1-0 — Hollywood, CA
1949 — Karlsson Acuna, Leo vs Almgren, Sven — 0-1 — Sweden
7.g3 — 21.8% (313 parties)
1928 — Club Ebensee vs Geier, V. — 0-1 — cr.
1936 — Berndt De La O, Steffi vs Caceres Richter, Dylan — 0-1 — Berlin GER
1963 — Zurakhov, Vladlen Y vs Vaskan, Uldis — 1-0 — Kiev UKR
1974 — Caro, Napoleon Alberto vs Jimenez Zerquera, Eleazar — 1/2-1/2 — Camaguey CUB
1974 — Estevez, Guillermo vs Gereben, Erno — 1/2-1/2 — Nice olm fin-B
7.Nc3 — 20.4% (293 parties)
1972 — Alexeev, Anatoly V 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 — 9.7% (139 parties)
1933 — Herzog, Franz vs Pitschak, Rudolf — 1-0 — Moravska Ostrava
1946 — Kan, Ilya A vs Goldenov, Boris P — 1/2-1/2 — Moscow RUS
1959 — Green, Arnold Yorwarth vs Milner Barry, Philip — 0-1 — York ch-BCF
1959 — Kholmov, Ratmir D vs Portisch, Lajos — 1-0 — Balantonfured
1968 — Collins, Richard Arnold vs Daube, Michael M — 1/2-1/2 — Swansea WLS