E56i - 9.Bxc4 - Main Line

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E56i — Main Line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 dxc4 9.Bxc4
Les coups candidats
9…Ba5 — 62.9% (682 parties)
Ambassadeurs : Portisch, Lajos (15x), Gligoric, Sofija (15x), Wade, Robert G (13x), Lechtynsky, Jiri (13x), Polugaevsky, Lev (12x), Parma, Bruno (11x), Rapaka Samuel Paul (10x), Donner, Jan-Hein (10x)
9…Bxc3 — 29.3% (318 parties)
Ambassadeurs : Kostro, Jerzy (5x), Rapaka Samuel Paul (4x), Emma, Jaime (4x), Kolarov, Atanas S. (4x), Miguel, Nahuel (3x), Kholmov, Ratmir D (3x), Burkett, Max (3x), Sarosy, Zoltan L (2x)
Ambassadeurs : Miguel, Nahuel (3x), Rapaka Samuel Paul (2x), Hudec, Jan (2x), Yepez, Olavo (1x), Munhu, Suren (1x), Pomar Salamanca, Arturo (1x), O'Kelly, Albéric de Galway (1x), Rabar, Braslav (1x)
9…Qxd4 — 0.1% (1 parties)
Ambassadeurs : Rodriguez Cespedes, Amador (1x), Nogueiras Santiago, Jesus (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Ba5 9…Bxc3 9…cxd4 9…Qxd4
<1800 42 62% 24% 14% —
1800-2200 242 53% 34% 12% —
2200-2600 496 67% 30% 3% 0%
2600+ 54 78% 19% 4% —
Évolution par décennie (% des parties)
Décennie N parties 9…Ba5 9…Bxc3 9…cxd4 9…Qxd4
1950s 48 54% 31% 15% —
1960s 112 65% 29% 5% —
1970s 174 83% 14% 3% —
1980s 50 58% 34% 8% —
1990s 81 40% 44% 15% 1%
2000s 103 31% 46% 23% —
2010s 275 55% 37% 8% —
2020s 242 80% 18% 2% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Ba5 55% 80% ▲ +25.3%
9…Bxc3 37% 18% ▼ -18.9%
9…cxd4 8% 2% ▼ -6.0%
9…Qxd4 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 5 parties
Ju, Wenjun — 3 parties
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 1 partie
Parties historiques
9…Ba5 — 62.9% (682 parties)
1951 — Germek, Milan vs Aadhitha Karikalan — 1/2-1/2 — Sarajevo BIH
1951 — Nikolac, Juraj vs Aadhitha Karikalan — 1-0 — Sarajevo BIH
1952 — Miguel, Nahuel vs Rapaka Samuel Paul — 1/2-1/2 — San Salvador ESA
1952 — Miguel, Nahuel vs Rapaka Samuel Paul — 1/2-1/2 — San Salvador ESA
1953 — Krebs, Hans vs Duenhaupt, Heinz-Wilhelm Dr — 1/2-1/2 — ?
9…Bxc3 — 29.3% (318 parties)
1953 — Miguel, Nahuel vs Rapaka Samuel Paul — 1-0 — Buenos Aires ARG
1953 — Costa, Stephane Jose vs Shocron, Ruben — 1/2-1/2 — Bariloche
1953 — Miguel, Nahuel vs Rapaka Samuel Paul — 1-0 — Buenos Aires ARG
1953 — Rapaka Samuel Paul vs Miguel, Nahuel — 1/2-1/2 — Buenos Aires ARG
1954 — Kotov, Alexander vs Zalys, Ignas — 1-0 — Clock simul Montreal
9…cxd4 — 7.6% (83 parties)
1952 — Rabar, Braslav vs De Souza Mendes, Joao — 1-0 — Vienna AUT
1952 — Miguel, Nahuel vs Rapaka Samuel Paul — 1-0 — ?
1953 — Miguel, Nahuel vs Rapaka Samuel Paul — 1-0 — Buenos Aires ARG
1954 — Goldberg, Grigory A vs Sidorov, Nikolai — 1-0 — Riga LAT
1955 — Goldberg, Grigory vs Soloviev, Vladimir — 1/2-1/2 — Moscow RUS
9…Qxd4 — 0.1% (1 parties)
1995 — Rodriguez Cespedes, Amador vs Nogueiras Santiago, Jesus — 1/2-1/2 — Capablanca mem