D43d —
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Qb3
Les coups candidats
5…dxc4 — 37.3% (639 parties)
Ambassadeurs : Tregubov, Pavel V. (13x), Korchnoi, Viktor (11x), Deforel, Jorge Eduardo (9x), Korneev, Oleg (7x), Hercog, Nusa (7x), Yagupov, Igor (6x), Ikonnikov, Vyacheslav (6x), Portisch, Lajos (5x)
5…Nbd7 — 32.5% (556 parties)
Ambassadeurs : Bisguier, Arthur B (4x), Lugovoi, Aleksei (4x), Priehoda, Vitezslav (4x), Tania, Sachdev (4x), Zichichi, Alvise (3x), Gagunashvili, Merab (3x), Sanikidze, Tornike (3x), Dreev, Aleksey (3x)
5…Be7 — 17.1% (293 parties)
Ambassadeurs : Tregubov, Pavel V. (5x), Portisch, Lajos (4x), Sosonko, Gennadi (4x), Langeweg, Kick (4x), Christiansen, Larry (3x), Jakobsen, Ole (3x), Anand, Viswanathan (3x), Kievelitz, Bernd (3x)
5…Bd6 — 6.7% (114 parties)
Ambassadeurs : Rubene, Ilze (2x), Andrason, Karl Oddur (2x), Aoshima, Mirai (2x), Kraemer, Alexander (1x), Fischbach, Elina (1x), South, Robert (1x), Skulsky, Ian R (1x), Portisch, Lajos (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 43 33% 33% 14% 14%
1800-2200 464 27% 36% 17% 13%
2200-2600 1009 43% 30% 17% 4%
2600+ 81 49% 30% 14% 1%
Évolution par décennie (% des parties)
Décennie N parties 5…dxc4 5…Nbd7 5…Be7 5…Bd6
1950s 12 75%
1960s 13 8% 46% 46%
1970s 24 17% 33% 46%
1980s 184 33% 29% 28% 3%
1990s 332 41% 33% 15% 6%
2000s 444 38% 36% 14% 6%
2010s 573 36% 31% 15% 9%
2020s 130 45% 25% 17% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…dxc4 36% 45% ▲ +8.9%
5…Nbd7 31% 25% ▼ -5.9%
5…Be7 15% 17% ▲ +1.6%
5…Bd6 9% 7% ▼ -2.5%
Joueurs célèbres
Champions du monde dans cette position
Ding, Liren — 4 parties
Kramnik, Vladimir — 3 parties
Anand, Viswanathan — 3 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
5…dxc4 — 37.3% (639 parties)
1960 — Szilagyi, Gyorgy Laszlo vs Puc, Stojan — 1-0 — Moscow RUS
1975 — Portisch, Lajos vs Perecz, Laszlo — 1-0 — Budapest ch-HUN
1976 — Bukic, Enver vs Bagirov, Vladimir — 1/2-1/2 — Banja Luka BIH
1979 — Strauss, David vs Wade, Robert G — 1-0 — London ENG
1979 — Portisch, Ferenc vs Nogueiras Santiago, Jesus — 0-1 — Kecskemet HUN
5…Nbd7 — 32.5% (556 parties)
1950 — Flohr, Salo vs Szabo, Laszlo — 1-0 — Budapest HUN
1952 — Boleslavsky, Isaac vs Bisguier, Arthur B — 1-0 — Helsinki olm
1952 — Balanel, Ion vs Tarnowski, Alfred — 1-0 — Miedzyzdroje
1955 — Gusev, Aleksandr vs Livshin, Iosif — 1-0 — Moskou ch sf
1955 — Szilagyi, Gyorgy Laszlo vs Flesch, Janos — 0-1 — Budapest HUN
5…Be7 — 17.1% (293 parties)
1961 — Bonham, Reginald Walter vs Christensen, Alfred — 1/2-1/2 — Meschede
1963 — Barczay, Laszlo vs Szilagyi, Peter — 1-0 — Budapest ch-HUN
1965 — Flesch, János vs Szily, Jozsef — 1-0 — HUN
1965 — Petrosian, Tigran V. vs Fuchs, Reinhart — 1/2-1/2 — Erevan ARM
1967 — Langeweg, Kick vs Abanin, Vladimir — 0-1 — Sochi RUS
5…Bd6 — 6.7% (114 parties)
1982 — Portisch, Lajos vs Ljubojevic, Ljubomir — 1/2-1/2 — London ENG
1986 — South, Robert vs Skulsky, Ian R — 1/2-1/2 — Seattle, WA USA
1986 — Talving, Rene K. vs Hoehne, E — 1-0 — Baltic Sea tt5 8691
1987 — Kraemer, Alexander vs Fischbach, Elina — 1-0 — GER
1987 — Talking vs Hoehne, Bjoern — 1-0 — corr DDR