B41m - 7.Be2 - Kan (1922)

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B41m — Kan (1922)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Qc7 7.Be2
Les coups candidats
7…Bb4 — 40.6% (867 parties)
Ambassadeurs : Smirin, Ilia (7x), Bilguun, Sumiya (6x), Laurusas, Tomas (6x), Aroshidze, Levan (6x), Luong Phuong Hanh (5x), Bocharov, Dmitry (5x), Fogarasi, Tibor (4x), Pichot, Alan (4x)
7…b6 — 32.7% (698 parties)
Ambassadeurs : Hayrapetyan, Hovik (8x), Kamer, Kayra (6x), Bilguun, Sumiya (5x), Shirov, Alexei (4x), Sultana, Sharmin Shirin (4x), Bryson, Douglas M (3x), Kovacevic, Slobodan (3x), Sivuk, Vitaly (3x)
7…Be7 — 8.9% (190 parties)
Ambassadeurs : Glaser, Andrea (3x), Ozsoy, Alimert (2x), Olivera, Alfredo (1x), Filip, Miroslav (1x), Markus, Tibor (1x), Benedetti, Fabrizio (1x), Agayn, Ventzislav (1x), Vlahos, Athanasios (1x)
7…Nc6 — 8.8% (187 parties)
Ambassadeurs : Orsi, Massimiliano (2x), Rossi, Giampiero (2x), Shlyakhtenko, Robert (2x), Franco, Sigifredo (1x), Andersen, Borge (1x), Schneider, Bernhard (1x), Dubeck, Michael (1x), Vujovic, Milorad M (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 118 42% 18% 14% 17%
1800-2200 888 36% 29% 12% 11%
2200-2600 968 43% 40% 5% 5%
2600+ 38 32% 53% 5% 3%
Évolution par décennie (% des parties)
Décennie N parties 7…Bb4 7…b6 7…Be7 7…Nc6
1950s 2 50% — — —
1960s 15 73% 7% 7% 7%
1970s 17 35% 12% 18% 24%
1980s 35 54% 11% 11% 17%
1990s 199 42% 30% 11% 11%
2000s 376 41% 25% 11% 11%
2010s 1045 39% 35% 9% 8%
2020s 445 41% 39% 6% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bb4 39% 41% ▲ +1.2%
7…b6 35% 39% ▲ +4.4%
7…Be7 9% 6% ▼ -2.5%
7…Nc6 8% 6% ▼ -2.3%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 2 parties
Carlsen, Magnus — 1 partie
Parties historiques
7…Bb4 — 40.6% (867 parties)
1956 — Stulik, Vlastimil vs Al Husari, Zita Fatima — 0-1 — Podebrady CZE
1961 — Enders, J. vs Vesely, Jiri — 0-1 — Brno CZE
1962 — Fischer, Robert J vs Portisch, Lajos — 1/2-1/2 — Varna BUL
1962 — Bogdanovic, Rajko vs Portisch, Lajos — 1/2-1/2 — Sarajevo BIH
1964 — Enevoldsen, Jens vs Anay Barche — 1-0 — Amsterdam NED
7…b6 — 32.7% (698 parties)
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
1984 — Unzicker, Ferdinand, Dr. vs Steinbacher, Matthias, Dr. — 1/2-1/2 — Duitsland tt
7…Be7 — 8.9% (190 parties)
1964 — Olivera, Alfredo vs Filip, Miroslav — 1-0 — Buenos Aires ARG
1972 — Kiss, Abigel vs Fodor, Adam — 0-1 — corr Hungary
1979 — Halstead, Ted vs Liebowitz, Errol — 1-0 — Ohio Univ Open
1979 — Sznapik, Krzysztof vs Wach, Slawomir — 1/2-1/2 — Warszawa Cup5-B op
1984 — Agayn, Ventzislav vs Vlahos, Athanasios — 1-0 — Athens GRE
7…Nc6 — 8.8% (187 parties)
1963 — Franco, Sigifredo vs Andersen, Borge — 1-0 — Odense DEN
1971 — Tragsdorf, Gisela vs Heintze, Marion — 1-0 — Strasbourg ch20-DDR
1972 — Tiefenbacher, Richard Jun. vs Milotzki, Kurt — 1-0 — Pula CRO
1972 — Toth, Peter vs Camara, Helder — 1/2-1/2 — Blumenau
1973 — Beierle, Christoph vs Weber, Robert — 0-1 — Bamberg