B66d - 8.O-O-O Be7 [+0.40]

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B66d —
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Be7
Eval: [+0.40]
Les coups candidats
9.f4 — 60.9% (1655 parties)
Ambassadeurs : Madl, Ildiko (14x), Durarbayli, Vasif (10x), Nijboer, Friso (10x), Greenfeld, Alon (9x), Blehm, Pawel (8x), Boros, Denes (8x), Kuzmin, Egor (8x), Suetin, Alexey S (7x)
9.f3 — 19.5% (529 parties)
Ambassadeurs : Vorobiov, Evgeny E. (7x), Bakre, Tejas (4x), Navara, David (4x), Malakhov, Valentyn (4x), Videnova-Kuljasevic, Iva (4x), Ruiz Sanchez, Orlen (4x), Yrjola, Jouni (3x), Ashwin, Jayaram (3x)
9.Bxf6 — 8.7% (237 parties)
Ambassadeurs : Korneev, Oleg (3x), Orozbaev, Eldiyar (3x), Adharsh K (3x), Hounie Fleurquin, Carlos (2x), Iliesco, Juan (2x), Czarnota, Pawel (2x), Morovic Fernandez, Ivan (2x), Zambrana, Osvaldo (2x)
9.Kb1 — 3.7% (100 parties)
Ambassadeurs : Shohat, Yotam (3x), Dragnev, Valentin (2x), Paasikangas, Johanna (2x), Zvorykina, Kira Alekseyevna (1x), Kulke, Marianne (1x), Stephan, Axel (1x), Wilde, Dennis (1x), Westergaard J (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.f4 9.f3 9.Bxf6 9.Kb1
<1800 42 69% 19% 5% 5%
1800-2200 738 63% 19% 7% 4%
2200-2600 1376 57% 23% 10% 4%
2600+ 104 68% 18% 9% 3%
Évolution par décennie (% des parties)
Décennie N parties 9.f4 9.f3 9.Bxf6 9.Kb1
1930s 7 29% 14% 43% —
1940s 16 56% 6% 25% —
1950s 48 75% — 15% —
1960s 43 86% — 7% 2%
1970s 59 85% 7% 5% —
1980s 85 81% 7% 5% —
1990s 301 70% 9% 4% 3%
2000s 821 59% 24% 6% 3%
2010s 883 64% 24% 6% 2%
2020s 454 41% 19% 21% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.f4 64% 41% ▼ -23.7%
9.f3 24% 19% ▼ -5.1%
9.Bxf6 6% 21% ▲ +14.7%
9.Kb1 2% 12% ▲ +10.7%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Hou, Yifan — 3 parties
Kasparov, Garry — 2 parties
Anand, Viswanathan — 2 parties
Kramnik, Vladimir — 2 parties
Ju, Wenjun — 1 partie
Parties historiques
9.f4 — 60.9% (1655 parties)
1939 — Prins, Lodewijk vs De Souza Mendes, Joao — 1-0 — Buenos Aires ARG
1939 — Prins, Lodewijk vs Christensen, Alfred — 1-0 — Buenos Aires ARG
1942 — Hamers, Herman vs Ossenkoppele, GA. — 0-1 — cr.
1942 — Fuentes Garcia, Juan Manuel vs Adriano Cisneros, Antuan Dominic — 1-0 — Spain ch
1946 — Anderson, Frank Ross vs Davis, Ezra — 1-0 — Toronto CAN
9.f3 — 19.5% (529 parties)
1936 — Tartakower, Savielly vs Rossolimo, Nicolas — 1-0 — Paris FRA
1944 — Florian, Jaromir vs Malcanek, Oldrich — 1-0 — Olomouc CZE
1976 — Campbell, Franklin J vs Arellano, Deo — 1-0 — 76N353 Golden Knights
1977 — Fuerlinger, Harald vs Thurner Rudolf — 1-0 — Moesern
1979 — Andre, Wolfgang vs Ueter, Heinz-Dieter — 1-0 — Bochum GER
9.Bxf6 — 8.7% (237 parties)
1935 — Bluemich, Max vs Engels, Ludwig — 0-1 — Aachen GER
1935 — Goglidze, Viktor vs Pirc, Vasja — 1-0 — Moskou
1938 — Petrov, Vladimir (ENG) vs Kolski, Jakub — 1/2-1/2 — Lodz POL
1947 — Hounie Fleurquin, Carlos vs Iliesco, Juan — 1-0 — Mar del Plata ARG
1947 — Samarian, Sergiu vs Vajda, Arpad — 1/2-1/2 — Sofia Balkaniade
9.Kb1 — 3.7% (100 parties)
1963 — Zvorykina, Kira Alekseyevna vs Kulke, Marianne — 1-0 — Split CRO
1992 — Stephan, Axel vs Wilde, Dennis — 1-0 — GER-ch U17
1992 — Westergaard J vs Hogberg, Jan — 0-1 — Goteborg SWE
1996 — Zedek, Frantisek vs Jankauskas, Gracijus — 1/2-1/2 — Rimavska Sobota Ych-Eu b1
1996 — Pina, Vladimiro vs Mubayiwa, Bruce — 1-0 — Maputo