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D43b —
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.g3
Eval: [+0.08]
Les coups candidats
5…dxc4 — 46.5% (2286 parties)
Ambassadeurs : Vinchev, Simeon (25x), Pheby, Ian M (22x), Gleizerov, Evgeny (16x), Ciciotti, Augusto Walter (15x), Rawlings, Alan J C (14x), Nyzhnyk, Illya (11x), Dreev, Aleksey (11x), Poluljahov, Aleksandr (10x)
5…Nbd7 — 32.4% (1595 parties)
Ambassadeurs : Romanishin, Oleg M (19x), Gleizerov, Evgeny (15x), Bach, Matthias (14x), Inkiov, Ventzislav (11x), Ulybin, Mikhail (7x), Stupak, Kirill (7x), Adrian, Claude (6x), Lazic, Miroljub (5x)
5…Be7 — 11.1% (546 parties)
Ambassadeurs : Flouzat, Jean-Marc (3x), Godena, Michele (3x), Cukrowski, Filip (3x), Baenziger, Fabian (3x), Damjanovic, Mato (2x), Gebreslase Simon Naod (2x), Balcerowski, Witold (2x), Schaefer, Reyk (2x)
5…Bd6 — 5.4% (266 parties)
Ambassadeurs : Bach, Matthias (3x), Lopez Mulet, Inigo (2x), Straka, Vaclav (2x), Secheres, Adrian-Simion (2x), Cappello, Angelo (1x), Mahieux, Abby (1x), Raicevic, Vladimir (1x), Ljuca, Mirsad (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…dxc4 5…Nbd7 5…Be7 5…Bd6
<1800 128 30% 30% 22% 7%
1800-2200 1612 35% 34% 14% 10%
2200-2600 2597 56% 31% 8% 3%
2600+ 190 63% 34% 2%
Évolution par décennie (% des parties)
Décennie N parties 5…dxc4 5…Nbd7 5…Be7 5…Bd6
1930s 3 33% 33%
1940s 5 60% 40%
1950s 10 40% 20% 20%
1960s 15 40% 40% 7%
1970s 17 47% 47% 6%
1980s 51 43% 33% 16% 6%
1990s 423 32% 44% 12% 6%
2000s 962 32% 40% 14% 7%
2010s 2639 50% 31% 10% 5%
2020s 794 62% 22% 10% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…dxc4 50% 62% ▲ +11.9%
5…Nbd7 31% 22% ▼ -8.6%
5…Be7 10% 10% ▲ +0.7%
5…Bd6 5% 3% ▼ -2.8%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 5 parties
Carlsen, Magnus — 5 parties
Ding, Liren — 5 parties
Gukesh D — 3 parties
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
5…dxc4 — 46.5% (2286 parties)
1937 — Koblencs, Alexander vs Ehrlich, L. — 1/2-1/2 — Brno CZE
1951 — Kuzminykh, Evgeny vs Bondarevsky, Igor — 1-0 — URS-ch sf Leningrad RUS
1953 — Boxall, Ronald Frank vs Franklin, Michael J — 0-1 — Hastings ch-BCF
1957 — Pomar Salamanca, Arturo vs Franco Raymundo, Eduardo — 1-0 — Madrid ESP
1958 — Malich, Burkhard, Dr. vs Bisguier, Arthur B — 1-0 — Munchen olm
5…Nbd7 — 32.4% (1595 parties)
1937 — Gonzalez Petrov, Daniel vs Gauffin, Adrian — 1-0 — Stockholm SWE
1940 — Rudakovsky, Iosif vs Dubinin, Peter — 1/2-1/2 — Moskou ch-URS
1947 — Prosdocimi, Arrigo vs De Souza Mendes, Joao — 0-1 — Porto Alegre
1949 — Letelier Martner, Rene vs Benko, Francisco — 1-0 — Mar del Plata ARG
1951 — Ahman Ernst vs Lehtinen, Antti — 1-0 — Sweden
5…Be7 — 11.1% (546 parties)
1945 — Letelier Martner, Rene vs Alarcon Gutierrez, Juan David — 1-0 — Vina del Mar CHI
1948 — Rojahn, Ernst vs Barda, Olaf — 0-1 — Norway
1954 — Szabo, Laszlo vs Forintos, Gyozo V — 1/2-1/2 — Budapest HUN
1956 — Boutteville, Cesar vs Ivkov, Borislav — 1/2-1/2 — Moscow RUS
1960 — Petrosian, Tigran A. vs Teschner, Rudolf — 1-0 — Hamburg GER
5…Bd6 — 5.4% (266 parties)
1965 — Cappello, Angelo vs Mahieux, Abby — 1-0 — cr.
1974 — Raicevic, Vladimir vs Ljuca, Mirsad — 1-0 — Sombor
1984 — Basta-Sohair, F. vs Clarke, Caleb — 1-0 — Thessaloniki GRE
1984 — Kopec, Danny vs Bolduc, Steve — 1/2-1/2 — Quebec Invitational
1985 — Van Dooren F vs Kox, A — 1-0 — Dieren NED