A93c - 7…c6 - Stonewall, Botvinnik (1940)

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A93c — Stonewall, Botvinnik (1940)
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6
Les coups candidats
Ambassadeurs : Newton, Hobart (8x), Rivera, Daniel (7x), Guimard, Carlos E (6x), Mariotti, Sergio (5x), Chetverik, Maxim (5x), ? (5x), Moehring, Guenther (4x), Van der Sterren, Paul (4x)
Ambassadeurs : Portisch, Lajos (3x), Jankovec, Ivan (3x), Guimard, Carlos E (2x), Bakheet Farag (2x), Saborido Carre, Rafael (2x), Naumkin, Igor (2x), Gusev, Yuri (2x), Ilinsky, Vladimir (2x)
Ambassadeurs : Kottnauer, Cenek (2x), Henneberke, Frans (2x), Dorfman, Iossif (2x), Kristiansen, Jens (2x), Manduch, Milan Ing (2x), Byrne, David (1x), Adulu Brandon (1x), Perez Perez, Francisco Jose (1x)
8.Ne5 — 3.3% (53 parties)
Ambassadeurs : Guimard, Carlos E (2x), Filip, Miroslav (2x), Van Den Broeck, Hans (1x), Conings, Jos (1x), Bauza, Lorenzo (1x), Ablanedo Jimenez, Alvaro Alfonso (1x), Fernandes, Stefany Lopes (1x), Wood, Baruch (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Ba3 8.Bb2 8.Qc2 8.Ne5
<1800 83 69% 11% 7% 6%
1800-2200 684 65% 18% 5% 2%
2200-2600 483 70% 17% 5% 3%
2600+ 3 67% — 33% —
Évolution par décennie (% des parties)
Décennie N parties 8.Ba3 8.Bb2 8.Qc2 8.Ne5
1950s 60 52% 17% 5% 15%
1960s 54 57% 20% 6% 6%
1970s 76 67% 20% 3% —
1980s 142 56% 16% 14% 7%
1990s 419 66% 16% 6% 3%
2000s 491 65% 17% 7% 2%
2010s 321 68% 19% 4% 3%
2020s 57 84% 12% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Ba3 68% 84% ▲ +16.3%
8.Bb2 19% 12% ▼ -6.4%
8.Qc2 4% 2% ▼ -2.0%
8.Ne5 3% 2% ▼ -1.4%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Karpov, Anatoly — 1 partie
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
8.Ba3 — 65.1% (1055 parties)
1950 — Gligoric, Sofija vs Guimard, Carlos E — 1/2-1/2 — Mar del Plata ARG
1951 — Fuentes, Manuel vs Sanz Aguado, Jose — 1/2-1/2 — Madrid ESP
1951 — Zalys, Ignas vs Williams, J.Noel — 1-0 — Montreal CAN
1951 — Donner, Jan-Hein vs Kieninger, Georg — 1-0 — It I Beverwijk NED
1951 — Selzer, Edgar vs Harris, Peter A — 0-1 — Birmingham/Coventry
8.Bb2 — 17.0% (276 parties)
1950 — Von Baudissin, Georg vs Schuessler, Michael — 1-0 — Weidenau
1951 — Miguel, Nahuel vs Guimard, Carlos E — 1/2-1/2 — ARG Ch Argenti
1951 — Fuchs, Reinhart vs Budrich, Edmund — 1/2-1/2 — Leipzig GER
1951 — Van Seters, Frits vs Lemaire, Robert — 1-0 — Brussels BEL
1952 — Soto Larrea, Manuel vs Ortega, Rogelio — 0-1 — Havana CUB
8.Qc2 — 6.4% (103 parties)
1950 — Perez Perez, Francisco Jose vs Moura, Jairo De Souza — 1-0 — Estoril
1953 — Herrmann, Ludwig vs Uhlmann, Wolfgang — 1/2-1/2 — GDR-ch Jena GER
1955 — Byrne, David vs Adulu Brandon — 1-0 — ?
1962 — Kottnauer, Cenek vs Henneberke, Frans — 1-0 — ?
1962 — Kottnauer, Cenek vs Henneberke, Frans — 1-0 — Beverwijk NED
8.Ne5 — 3.3% (53 parties)
1950 — Bahro, Tom vs Van den Tol, Theo — 1/2-1/2 — Vienna AUT
1953 — Filip, Miroslav vs Szabo, Laszlo — 1-0 — Bucharest ROU
1953 — Reichel, Ewald vs Mellberg, B. — 1/2-1/2 — Copenhagen DEN
1954 — Alvarez, Jose-Luis vs Trompowsky, Octávio — 0-1 — Montevideo URU
1954 — Koberl, Sandor vs Filip, Miroslav — 1-0 — ?