C16i - 4…Qd7 5.a3 Bxc3+ 6.bxc3 b6 - Winawer, Petrosian (1957)

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C16i — Winawer, Petrosian (1957)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Qd7 5.a3 Bxc3+ 6.bxc3 b6
Les coups candidats
Ambassadeurs : Huss, Andreas (20x), Weyerstrass, Ronald (18x), Karatorossian, David (14x), Gonzalez Rodriguez, Jorge A. (9x), Florea, Dan (5x), Hawes, Jonathan (5x), Stupak, Leonid K (5x), Alexander Tadala (4x)
7.a4 — 22.2% (329 parties)
Ambassadeurs : Weyerstrass, Ronald (11x), Hermann, Manfred (5x), Rakic, Tomislav (4x), Tringov, Georgi P (4x), Rogers, Ian (4x), Florea, Dan (4x), Taimanov, Mark (3x), Planinec, Albin (3x)
7.Nf3 — 8.4% (124 parties)
Ambassadeurs : Weyerstrass, Ronald (6x), Roos, Louis (3x), Van Ekelen (3x), Tolonen, Leo (3x), Gulko, Boris (2x), Campos Lopez, Mario (2x), Abiton, Gerard (2x), Gottsmann, Herbert (2x)
7.Nh3 — 5.9% (87 parties)
Ambassadeurs : Katalymov, Boris (2x), Khasin, Abram (2x), Smederevac, Petar (2x), Lim, Kok Ann (2x), Ciocaltea, Victor (2x), Bednarski, Jacek (2x), Hecht, Hans-Joachim (2x), Weyerstrass, Ronald (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Qg4 7.a4 7.Nf3 7.Nh3
<1800 45 51% 11% 7% 4%
1800-2200 444 43% 21% 13% 3%
2200-2600 705 56% 23% 5% 7%
2600+ 17 53% 41% — 6%
Évolution par décennie (% des parties)
Décennie N parties 7.Qg4 7.a4 7.Nf3 7.Nh3
1950s 16 56% 38% — 6%
1960s 62 29% 37% 3% 21%
1970s 135 29% 36% 9% 15%
1980s 146 41% 32% 9% 7%
1990s 311 44% 22% 11% 8%
2000s 388 54% 19% 8% 3%
2010s 342 61% 15% 8% 1%
2020s 81 59% 15% 5% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Qg4 61% 59% ▼ -2.1%
7.a4 15% 15% -0.1%
7.Nf3 8% 5% ▼ -3.5%
7.Nh3 1% 1% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
7.Qg4 — 49.4% (731 parties)
1957 — Vukcevich, Milan vs Kozomara, Vlado — 1/2-1/2 — ?
1957 — Vukcevich, Milan vs Kozomara, Vlado — 1/2-1/2 — Sombor
1957 — Alexander Tadala vs Abanin, Vladimir — 1-0 — Moskou ch-URS
1957 — Alexander Tadala vs Zilber, Israel — 1-0 — Leningrad RUS
1957 — Fischer, Robert J vs Bisguier, Arthur B — 1-0 — New York, NY USA
7.a4 — 22.2% (329 parties)
1957 — Shiyanovsky, Vladislav Ivanovich vs Blagidze, Alexander — 1/2-1/2 — Kiev UKR
1957 — Handel, Horst vs Golz, Werner — 1/2-1/2 — Soemmerda
1957 — Poulsen, Christian vs Liebert, Heinz — 0-1 — Fredericia
1958 — Fuderer, Andrija vs Koz, Y — 1/2-1/2 — URS
1959 — Rakic, Tomislav vs Abhishek Mari S — 0-1 — Belgrade SRB
7.Nf3 — 8.4% (124 parties)
1968 — Sikora-Lerch, Jan vs Gulko, Boris — 0-1 — Havirov CZE
1968 — Sikora, Jan vs Gulko, Boris — 0-1 — Gavirzjov
1970 — Zalys, Ignas vs Arinda Bernice — 1-0 — Boston, MA USA
1972 — Ernesto, Palmira vs Campos Lopez, Mario — 0-1 — Skopje ol
1972 — Palmer, Bernard vs Campos Lopez, Mario — 0-1 — Skopje MKD
7.Nh3 — 5.9% (87 parties)
1957 — Khasin, Abram vs Blagidze, Alexander — 0-1 — Kiev UKR
1960 — Pettersen, Henning vs Haag, Ervin — 0-1 — corr ol3
1962 — Bakker, Piet vs Smederevac, Petar — 0-1 — It IIb Beverwijk NED
1965 — Velimirovic, Dragoljub vs Rajkovic, Dusan — 1-0 — Yugoslavia
1965 — Zinser, Sylvain vs Maury, Claude — 1-0 — Dunkerque