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E04b — Open (1946)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Bb4+
Les coups candidats
6.Bd2 — 89.9% (3068 parties)
Ambassadeurs : Landa, Konstantin (14x), Probola, Ryszard (12x), Michenka, Jozef (11x), Ilincic, Zlatko (11x), Kovacevic, Vlatko (10x), Brunello, Sabino (10x), Allawi Rawlings (9x), Robson, Ray (8x)
6.Nc3 — 5.2% (176 parties)
Ambassadeurs : Delorme, Axel (2x), Chekletsov, Ilya (2x), Livaic, Leon (2x), Gan-Erdene, Sugar (2x), Kezin, Roman (2x), Angantysson, Haukur (1x), Thorsteinsson, Bjorn (1x), Schiffer, Karl-Josef (1x)
6.Nbd2 — 4.9% (167 parties)
Ambassadeurs : Percivaldi, Martin (5x), Kelires, Andreas (5x), Horvath, Peter (3x), Malikentzos, Sotirios (3x), Mikhalevski, Alexander (2x), Miroshnichenko, Evgenij (2x), Papaioannou, Ioannis (2x), Nogly, Christoph (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Bd2 6.Nc3 6.Nbd2
<1800 102 92% 5% 3%
1800-2200 1047 92% 5% 4%
2200-2600 1957 89% 6% 6%
2600+ 174 92% 5% 3%
Évolution par décennie (% des parties)
Décennie N parties 6.Bd2 6.Nc3 6.Nbd2
1950s 6 100% — —
1960s 5 80% 20% —
1970s 20 90% 10% —
1980s 35 94% — 6%
1990s 72 81% 14% 6%
2000s 357 89% 6% 6%
2010s 1729 92% 5% 3%
2020s 1187 88% 5% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Bd2 92% 88% ▼ -4.6%
6.Nc3 5% 5% ▲ +0.7%
6.Nbd2 3% 7% ▲ +3.9%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Kramnik, Vladimir — 8 parties
Carlsen, Magnus — 5 parties
Anand, Viswanathan — 3 parties
Karpov, Anatoly — 2 parties
Gukesh D — 2 parties
Ding, Liren — 1 partie
Parties historiques
6.Bd2 — 89.9% (3068 parties)
1951 — O'Kelly de Galway, Alberic vs Van Seters, Frits — 0-1 — Brussels BEL
1953 — Petrosian, Tigran V. vs Bronstein, David I — 1/2-1/2 — Zurich SUI
1953 — Keres, Paul Petrovich vs Hindre, Heino — 1-0 — Tartu EST
1953 — Van Seters, Frits vs Soultanbeieff, Victor — 1-0 — Antwerp BEL
1957 — Gimeno Patino, Tomas vs Rodriguez Garcia, Jesus — 1-0 — Zaragoza
6.Nc3 — 5.2% (176 parties)
1969 — Angantysson, Haukur vs Thorsteinsson, Bjorn — 1/2-1/2 — ISL-ch Reykjavik ISL
1975 — Schiffer, Karl-Josef vs Fahnenschmidt, Gerhard — 0-1 — GER
1977 — Chrolavicius, Joseph vs Yanofsky, Daniel Abraham — 0-1 — Fredericton
1991 — Olej, Emil vs Iiit — 1-0 — CIF corr
1992 — Urban, Klaudiusz vs Petran, Pal — 1-0 — Debrecen GER
6.Nbd2 — 4.9% (167 parties)
1981 — Petursson, Margeir vs Hansen, Curt — 1-0 — Copenhagen DEN
1984 — Sygulski, Artur vs Yuferov, Sergey N — 1-0 — Naleczow
1993 — Haba, Petr vs Huebner, Robert — 1/2-1/2 — Duitsland tt
1996 — Enqvist, Gosta vs Ahman, Leif — 0-1 — ?
1998 — Andonovski, Ljubisa vs Fandino Reyes, Roquelina — 1-0 — ?