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A32c — Symmetrical, Two Knights (1955)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3
Les coups candidats
Ambassadeurs : Rashkovsky, Nukhim N (14x), Sosonko, Gennadi (12x), Van Riemsdijk, Herman C. (10x), Szymczak, Zbigniew (9x), Tal, Mikhail (9x), Gurevich, Dmitry (9x), Tukmakov, Vladimir B (9x), Quinteros, Miguel A. (8x)
Ambassadeurs : Raetsky, Alexander (9x), De Firmian, Nick (7x), Teske, Henrik (4x), Hausner, Ivan (4x), Cobb, James (3x), Ellers, Holger, Dr. (3x), Maletin, Pavel (3x), Arkell, Keith C (3x)
Ambassadeurs : Rashkovsky, Nukhim N (13x), Psakhis, Lev (7x), Sosonko, Gennadi (6x), Ljubojevic, Ljubomir (6x), Gurevich, Dmitry (6x), Haba, Petr (6x), Quinteros, Miguel A. (5x), Spraggett, Kevin (5x)
Ambassadeurs : Rashkovsky, Nukhim N (11x), Beliavsky, Alexander G (7x), Timman, Jan H (7x), Mikhalchishin, Adrian (6x), Gavrikov, Viktor (5x), Fossan, Erik (5x), ? (5x), Romanishin, Oleg M (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…d5 5…Nc6 5…Qc7 5…Bb4+
<1800 160 36% 26% 7% 10%
1800-2200 1776 33% 25% 9% 13%
2200-2600 3540 37% 15% 17% 15%
2600+ 205 28% 9% 26% 25%
Évolution par décennie (% des parties)
Décennie N parties 5…d5 5…Nc6 5…Qc7 5…Bb4+
1950s 41 51% 22% 7% 10%
1960s 51 51% 29% 4% 6%
1970s 342 39% 16% 14% 21%
1980s 658 35% 13% 16% 19%
1990s 932 27% 20% 13% 18%
2000s 1509 27% 21% 16% 16%
2010s 2108 38% 19% 15% 11%
2020s 642 54% 15% 12% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…d5 38% 54% ▲ +16.0%
5…Nc6 19% 15% ▼ -3.9%
5…Qc7 15% 12% ▼ -2.5%
5…Bb4+ 11% 7% ▼ -4.8%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Carlsen, Magnus — 10 parties
Karpov, Anatoly — 7 parties
Kramnik, Vladimir — 6 parties
Hou, Yifan — 5 parties
Ju, Wenjun — 5 parties
Anand, Viswanathan — 4 parties
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Ding, Liren — 1 partie
Parties historiques
5…d5 — 35.5% (2229 parties)
1951 — Barden, Leonard vs Abiolla James — 0-1 — Oxford?
1952 — Gereben, Erno vs Vajda, Arpad — 1-0 — Hungary ch
1953 — Radulescu, Mihai vs Szabo, Laszlo — 0-1 — Bucharest ROU
1953 — Petrosian, Tigran A. vs Keres, Paul — 1/2-1/2 — ?
1953 — Poulsen, Christian vs Larsen, Bent Ravn — 1-0 — Horsens
5…Nc6 — 18.5% (1162 parties)
1950 — Rovner, Dmitry vs Mikenas, Vladas — 0-1 — URS-ch sf Tartu
1950 — Benderev, Yurij vs Bobekov, Radko — 0-1 — Sofia BUL
1952 — Jimenez Zerquera, Eleazar vs Gonzalez, Juan Carlos — 1/2-1/2 — Havana CUB
1955 — Reinhardt, Heinrich vs Wexler, Francisco — 0-1 — Argentina
1955 — Minev, Nikolay N vs Gligoric, Sofija — 1/2-1/2 — Zagreb CRO
5…Qc7 — 14.4% (903 parties)
1951 — Udovcic, Mijo vs Trifunovic, Petar — 1/2-1/2 — Sarajevo BIH
1954 — Khalilbeili, Sultan vs Sidorov, Nikolai — 1/2-1/2 — Riga LAT
1959 — Trifunovic, Petar vs Ugrinovic, Dragan — 1-0 — Kragujevac ch14-YUG
1963 — Czerniak, Moshe vs Matulovic, Milan — 1/2-1/2 — Polanica Zdroj POL
1966 — Bachtiar, Arovah vs Ojanen, Kaarle S — 1/2-1/2 — Havana CUB
5…Bb4+ — 14.2% (893 parties)
1955 — Saidy, Anthony vs Rapaka Samuel Paul — 0-1 — Long Beach, CA USA
1958 — Weiss, Martin vs Kraidman, Yair — 1/2-1/2 — Munich GER
1958 — Espinosa , Libaski vs Redolfi, Javier — 1/2-1/2 — Argentina
1959 — Taimanov, Mark vs Bronstein, David I — 1/2-1/2 — Tbilisi ch-URS
1963 — Popov, Luben vs Bogdanov, Emil — 1-0 — Sofia BUL