B41m — Kan
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Qc7 7.Be2
Eval: [+0.56]
Les coups candidats
7…Bb4 — 40.8% (839 parties)
Ambassadeurs : Aroshidze, Levan (7x), Smirin, Ilia (7x), Bilguun, Sumiya (6x), Luong Phuong Hanh (5x), Bocharov, Dmitry (5x), Fogarasi, Tibor (4x), Pichot, Alan (4x), Laurusas, Tomas (4x)
7…b6 — 32.7% (673 parties)
Ambassadeurs : Hayrapetyan, Hovik (8x), Kveinys, Aloyzas (7x), Muzychuk, Anna (5x), Koneru, Humpy (5x), Sivuk, Vitaly (5x), Bilguun, Sumiya (5x), Damljanovic, Branko (5x), Shirov, Alexei (4x)
7…Be7 — 8.9% (183 parties)
Ambassadeurs : Glaser, Andrea (3x), Mueller-Ludwig, Kristin (3x), Rossi, Giampiero (2x), Ozsoy, Alimert (2x), Milner Barry, Philip (1x), Bancroft, Kenneth Humphry (1x), Olivera, Alfredo (1x), Filip, Miroslav (1x)
7…Nc6 — 8.7% (178 parties)
Ambassadeurs : Orsi, Massimiliano (2x), Muzychuk, Anna (2x), Dzagnidze, Nana (2x), Lin, Shengyan (2x), Anacoglu, Cisel (2x), Shlyakhtenko, Robert (2x), Trishal Gara (2x), From, Sigfred (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bb4 7…b6 7…Be7 7…Nc6
<1800 63 43% 16% 16% 17%
1800-2200 743 37% 28% 12% 11%
2200-2600 1014 43% 40% 5% 5%
2600+ 42 38% 48% 5% 2%
Évolution par décennie (% des parties)
Décennie N parties 7…Bb4 7…b6 7…Be7 7…Nc6
1920s 7 43% 14% 14%
1940s 1 100%
1950s 2 50%
1960s 15 73% 7% 7% 7%
1970s 17 35% 12% 18% 24%
1980s 35 54% 11% 11% 17%
1990s 198 41% 30% 11% 11%
2000s 376 41% 25% 11% 11%
2010s 1040 40% 35% 9% 8%
2020s 364 41% 41% 6% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bb4 40% 41% ▲ +2.0%
7…b6 35% 41% ▲ +5.9%
7…Be7 9% 6% ▼ -2.8%
7…Nc6 8% 5% ▼ -3.4%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 2 parties
Carlsen, Magnus — 1 partie
Parties historiques
7…Bb4 — 40.8% (839 parties)
1922 — Spielmann, Rudolf vs Tartakower, Savielly — 1/2-1/2 — Teplitz-Schoenau GER
1923 — Spielmann, Rudolf vs Tartakower, Savielly — 1/2-1/2 — Vienna AUT
1923 — Znosko-Borovsky, Eugene vs Colle, Edgar — 1-0 — Brussels BEL
1943 — Michel, Pascal vs Garcia Vera, Oscar — 1/2-1/2 — Rosario ARG
1956 — Stulik, Vlastimil vs Zíta, František — 0-1 — Podebrady CZE
7…b6 — 32.7% (673 parties)
1922 — Opocensky, Karel vs Saemisch, Friedrich — 1/2-1/2 — Bad Pistyan CZE
1967 — Papapostolou, Christ. vs Neukirch, Detlef — 0-1 — Sofia BUL
1972 — Bonchev, Stojko vs Popov, Luben — 0-1 — Sofia BUL
1976 — Cote, Frederic vs Smith, Robert W — 1/2-1/2 — Haifa ISR
1983 — Scholz, Guillermo vs Prie, Eric — 0-1 — Paris FRA
7…Be7 — 8.9% (183 parties)
1928 — Milner Barry, Philip vs Bancroft, Kenneth Humphry — 1-0 — City of London CC
1964 — Olivera, Alfredo vs Filip, Miroslav — 1-0 — Buenos Aires ARG
1972 — De Kiss, Guillaume vs Fodor, Adam — 0-1 — corr Hungary
1979 — Sznapik, Krzysztof vs David Wachira Wach — 1/2-1/2 — Warszawa Cup5-B op
1979 — Halstead Ted vs Liebowitz, Errol — 1-0 — Ohio Univ Open
7…Nc6 — 8.7% (178 parties)
1963 — From, Sigfred vs Andersen, Borge — 1-0 — Odense DEN
1971 — Tragsdorf, Gisela vs Heintze, Marion — 1-0 — Strasbourg ch20-DDR
1972 — Toth, Peter vs Camara, Helder — 1/2-1/2 — Blumenau
1972 — Tiefenbacher, Walter vs Milotzki, Kurt — 1-0 — Pula CRO
1973 — Beierle, Christoph vs Weber, Robert — 0-1 — Bamberg