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D43b —
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.g3
Les coups candidats
5…dxc4 — 46.4% (2404 parties)
Ambassadeurs : Adeyemi, Phebe Adesinuola (24x), Vinchev, Simeon (22x), Gleizerov, Evgeny (16x), Allawi Rawlings (14x), Sokolov, Ivan (12x), Ciciotti, Augusto Walter (11x), Poluljahov, Aleksandr (9x), Ulybin, Mikhail (8x)
5…Nbd7 — 32.1% (1663 parties)
Ambassadeurs : Gleizerov, Evgeny (16x), Inkiov, Ventzislav (11x), Romanishin, Oleg M (10x), Gupta, Abhijeet (8x), Poluljahov, Aleksandr (6x), Adrian, Claude (6x), Garza Marco, Sergio (6x), Nedilko, Vasily (5x)
5…Be7 — 11.5% (597 parties)
Ambassadeurs : Bulajic, Ratko (3x), Gebreslase Simon Naod (2x), Flouzat, Jean-Marc (2x), Balcerowski, Witold (2x), Schaefer, Reyk (2x), Dyson, John (2x), Vellema, Jelle (2x), Boutteville, Cesar (1x)
5…Bd6 — 5.4% (281 parties)
Ambassadeurs : Aadrito Datta (2x), Ferrara, Alexis (2x), Bach, Matthias (2x), Mamedjarova, Turkan (2x), Cuevas Araya, Walter (2x), Bulajic, Ratko (2x), Secheres, Adrian-Simion (2x), Cappello, Angelo (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 242 38% 25% 20% 6%
1800-2200 1949 37% 33% 14% 9%
2200-2600 2552 55% 32% 9% 3%
2600+ 177 61% 34% 4%
Évolution par décennie (% des parties)
Décennie N parties 5…dxc4 5…Nbd7 5…Be7 5…Bd6
1950s 10 40% 20% 20%
1960s 14 36% 43% 7%
1970s 17 47% 47% 6%
1980s 51 43% 33% 16% 6%
1990s 425 32% 44% 12% 6%
2000s 964 33% 40% 14% 7%
2010s 2673 50% 31% 10% 6%
2020s 1028 58% 23% 13% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…dxc4 50% 58% ▲ +8.1%
5…Nbd7 31% 23% ▼ -7.7%
5…Be7 10% 13% ▲ +2.9%
5…Bd6 6% 3% ▼ -2.3%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 8 parties
Kramnik, Vladimir — 5 parties
Ding, Liren — 5 parties
Gukesh D — 3 parties
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
5…dxc4 — 46.4% (2404 parties)
1951 — Kuzminykh, Evgeny vs Bondarevsky, Igor — 1-0 — URS-ch sf Leningrad RUS
1953 — Boxall, Ronald Frank vs Franklin, Michael J — 0-1 — Hastings ENG
1957 — Pomar Salamanca, Arturo vs Franco Raymundo, Eduardo — 1-0 — Madrid ESP
1958 — Malich, Burkhard, Dr. vs Bisguier, Arthur B — 1-0 — Munchen olm
1971 — Radashkovich, Itchak vs Ruderfer, Mark B — 0-1 — Alma Ata KAZ
5…Nbd7 — 32.1% (1663 parties)
1951 — Ahman, Ernst vs Lehtinen, Antti — 1-0 — Sweden
1955 — Kwapisz, Stanislaw vs Luczynowicz, Waclaw — 1/2-1/2 — Poland ch13
1961 — Pietzsch, Wolfgang vs Zirngibl, Albert — 1/2-1/2 — GDR-ch Premnitz GER
1961 — Petrosian, Tigran V. vs Ciric, Dragoljub M — 1-0 — Belgrade SRB
1962 — Doda, Zbigniew vs Fuchs, Reinhart — 1-0 — Lasker mem Berlin-Ost
5…Be7 — 11.5% (597 parties)
1954 — Szabo, Laszlo vs Forintos, Gyozo V — 1/2-1/2 — Budapest HUN
1956 — Boutteville, Cesar vs Ivkov, Borislav — 1/2-1/2 — Moskou olm
1960 — Petrosian, Tigran V. vs Teschner, Rudolf — 1-0 — Hamburg GER
1961 — Popov, Luben vs Drumev, Avram — 1/2-1/2 — Sofia BUL
1963 — Popov, Vladilen vs Pantaleev, Dimitar Dimitrov — 1-0 — Sofia BUL
5…Bd6 — 5.4% (281 parties)
1965 — Cappello, Angelo vs Mahieux, Abby — 1-0 — cr.
1974 — Raicevic, Vladimir vs Ljuca, Mirsad — 1-0 — Sombor
1984 — Kopec, Danny vs Bolduc, Steve — 1/2-1/2 — Quebec Invitational
1984 — Basta, Dane V vs Clarke, Caleb — 1-0 — Thessaloniki olw
1985 — Van Dooren F vs Kox Adri — 1-0 — ?