C19m - 7…Nbc6 8.a4 - Winawer (1957)

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C19m — Winawer (1957)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Nbc6 8.a4
Les coups candidats
Ambassadeurs : Uhlmann, Wolfgang (24x), Bukal, Vladimir Jr. (15x), Suetin, Alexey S (10x), Ivkov, Borislav (9x), Korchnoi, Viktor (8x), ? (8x), Bogdanovic, Rajko (7x), Knaak, Rainer (7x)
Ambassadeurs : Fischer, Robert J (5x), Skorna, Ullrich (4x), Timar, Zsolt (3x), Kivitalo, Laura (3x), Boleslavsky, Isaac (2x), Sokolsky, Alexey (2x), Bouna, Safwan younes (2x), Bertholdt, Dieter (2x)
8…Qc7 — 3.7% (84 parties)
Ambassadeurs : Diez del Corral, Jesus (2x), Keres, Paul (2x), Rittner, Horst (2x), Pettersen, Henning (2x), Prokopp, Heinz (2x), Ryc, Ivo (1x), Kuijpers, Frans (1x), Cuijpers, Frans Andre (1x)
8…O-O — 2.7% (62 parties)
Ambassadeurs : Sojka, Adam (1x), Papp, Abel (1x), Coudari, Camille (1x), Langlois, Arthur (1x), Carlson, Curtis (1x), Volesky, Alexander (1x), Nielsen, Gunnar (1x), Nielsen, Axel (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Qa5 8…Bd7 8…Qc7 8…O-O
<1800 79 72% 15% 3% 8%
1800-2200 662 75% 11% 4% 5%
2200-2600 743 87% 9% 3% 1%
2600+ 11 82% — 18% —
Évolution par décennie (% des parties)
Décennie N parties 8…Qa5 8…Bd7 8…Qc7 8…O-O
1950s 37 46% 35% 19% —
1960s 110 72% 22% 4% 2%
1970s 270 81% 14% 4% 1%
1980s 441 83% 13% 2% 1%
1990s 540 83% 11% 3% 2%
2000s 523 76% 12% 4% 4%
2010s 304 74% 9% 5% 5%
2020s 40 80% 8% — 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Qa5 74% 80% ▲ +6.0%
8…Bd7 9% 8% ▼ -1.7%
8…Qc7 5% 0% ▼ -4.9%
8…O-O 5% 10% ▲ +5.1%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 1 partie
Parties historiques
8…Qa5 — 78.6% (1781 parties)
1950 — Gladwin, F. vs Thompson, Harry — 1-0 — England
1952 — Byschev, V vs Khasin, A — 1/2-1/2 — URS
1952 — Fletzer, Gino vs Ceccato, Vittorio — 0-1 — Ferrara
1953 — Boleslavsky, Isaac vs Anay Barche — 1/2-1/2 — Bucharest ROU
1953 — Reichel, Ewald vs Roessel, Frits — 1/2-1/2 — Copenhagen DEN
8…Bd7 — 12.7% (288 parties)
1950 — Liublinsky, Victor vs Sokolsky, Alexey — 1/2-1/2 — Moscow RUS
1950 — Nezhmetdinov, Rashid vs Liublinsky, Victor — 1-0 — URS-ch sf Gorky
1952 — Byvshev, Vasily vs Geller, Efim P. — 0-1 — Moskou ch-URS
1953 — Boleslavsky, Isaac vs Stahlberg, Gideon — 1/2-1/2 — Zurich SUI
1953 — Boleslavsky, Isaac vs GIDEON SUNDAY — 1/2-1/2 — Zurich SUI
8…Qc7 — 3.7% (84 parties)
1957 — Vasiukov, Evgeni vs Breustedt, Werner — 1-0 — It Gotha GER
1957 — Keres, Paul vs Eliskases, Erich — 1-0 — Mar del Plata ARG
1957 — Keres, Paul vs Eliskases — 1-0 — Margate ENG
1957 — Dubinin, Peter vs Rittner, Horst — 1-0 — USSR-GER
1958 — Lipiniks, Leonardo vs Rittner, Horst — 0-1 — CCOL3 fin-01 5861
8…O-O — 2.7% (62 parties)
1967 — Coudari, Camille vs Langlois, Arthur — 1-0 — Montreal CAN
1969 — Sojka, Adam vs Papp, Abel — 1-0 — corr Europe
1971 — Carlson, Curtis vs Volesky, Alexander — 0-1 — corr Golden Knights
1974 — Nielsen, Gunnar vs Nielsen, Axel — 1-0 — Denmark ch corr
1980 — Zuk, Robert D. vs Vancouver — 1/2-1/2 — Vancouver