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A94a — Stonewall Botvinnik
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6 8.Ba3
Eval: [+0.27]
Les coups candidats
Ambassadeurs : Hincke, Guenter (5x), Guimard, Carlos E (4x), Rivera, Daniel (4x), Van Scheltinga, Theo (3x), Chetverik, Maxim (3x), Maric, Rudolf (2x), Uhlmann, Wolfgang (2x), Klinger, Jacquelin (2x)
Ambassadeurs : Mariotti, Sergio (5x), Shachar, Ehud (5x), Moehring, Guenther (3x), Csoma, Robert (3x), Farago, Ivan (2x), Brueckner, Thomas (2x), Chistiakov, Alexander (2x), Egmond, Peter (2x)
8…Ne4 — 15.5% (163 parties)
Ambassadeurs : Leow, Leslie M (2x), Sviridov, Valentin (2x), Artiuhin, I (2x), Wageih, Kareim (2x), Maloberti, David (2x), Siegmund, Rainer (2x), Brettschneider, Karl (2x), Golovko, N. (1x)
Ambassadeurs : Notaros, Krasoje (5x), Kuzin, Anton (5x), Bondick, Karl-Heinz (5x), Bohm, Hans (4x), Rosen, Daniel B (4x), Sosonko, Gennadi (3x), Van der Sterren, Paul (3x), Enklaar, Bert (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Bxa3 8…Nbd7 8…Ne4 8…Bd7
<1800 30 40% 20% 7% 10%
1800-2200 392 36% 21% 21% 15%
2200-2600 350 35% 27% 11% 19%
2600+ 2 50% 50%
Évolution par décennie (% des parties)
Décennie N parties 8…Bxa3 8…Nbd7 8…Ne4 8…Bd7
1940s 11 27% 55%
1950s 31 55% 26% 6% 3%
1960s 31 35% 32% 19% 6%
1970s 51 29% 27% 16% 25%
1980s 78 33% 33% 9% 17%
1990s 280 38% 28% 14% 14%
2000s 320 31% 25% 16% 18%
2010s 216 38% 21% 20% 13%
2020s 36 33% 19% 14% 17%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Bxa3 38% 33% ▼ -4.2%
8…Nbd7 21% 19% ▼ -1.9%
8…Ne4 20% 14% ▼ -6.5%
8…Bd7 13% 17% ▲ +3.2%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Euwe, Max — 1 partie
Parties historiques
8…Bxa3 — 35.1% (370 parties)
1944 — Van Scheltinga, Theo vs Van der Tol, Teun — 1-0 — Beverwijk NED
1948 — Alatortsev, Vladimir N. vs Konstantinopolsky, Alexander — 1-0 — Moskou ch-URS
1948 — Van Scheltinga, Theo vs Cortlever, Nico — 1/2-1/2 — It Beverwijk NED
1950 — Gligorić, Svetozar vs Guimard, Carlos E — 1/2-1/2 — Mar del Plata ARG
1951 — Zalys, Ignas vs Williams, J.Noel — 1-0 — Montreal CAN
8…Nbd7 — 26.1% (275 parties)
1941 — Kmoch, Hans vs Euwe, Max — 1/2-1/2 — NLD
1946 — Alatortsev, Vladimir N. vs Chistiakov, Alexander — 1-0 — Moscow RUS
1948 — Flohr, Salo vs Ragozin, Viacheslav — 1/2-1/2 — Saltsjobaden SWE
1949 — Bozic, Alexander vs Nedeljkovic, Srecko M — 1-0 — Zagreb ch-YUG
1949 — Ivanov, Pavel vs Bobotsov, Milko G — 1/2-1/2 — Sofia BUL
8…Ne4 — 15.5% (163 parties)
1955 — Dvorak Santos, Tiago vs Muehl, Malte Luis — 1-0 — Prague CZE
1957 — Klugman, Reuben vs Halper, N — 1-0 — New York, NY USA
1961 — Bisguier, Arthur B vs Robinson, Nathan — 1-0 — San Francisco, CA USA
1961 — Lengyel, Laszlo vs Amores Beltran, Sara — 1/2-1/2 — Oberhausen etc
1964 — Marovic, Drazen vs Kalme, Charles I — 1/2-1/2 — Krakow POL
8…Bd7 — 15.3% (161 parties)
1952 — Reshevsky, Samuel vs Gligorić, Svetozar — 0-1 — New York, NY USA
1960 — Uhlmann, Wolfgang vs Guimard, Carlos E — 0-1 — Buenos Aires ARG
1967 — Haugaard Nielsen, Johannes vs Montgomery, James — 1/2-1/2 — Harrachov
1970 — Antunac, Goran vs Smederevac, Petar — 1/2-1/2 — Wijk aan Zee NED
1973 — Lucignano vs Idili, Leonardo — 1/2-1/2 — corr Italy