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E04b — Open
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Bb4+
Eval: [+0.33]
Les coups candidats
6.Bd2 — 90.3% (2811 parties)
Ambassadeurs : Broniek, Mariusz Maciej (16x), Landa, Konstantin (14x), Probola, Ryszard (13x), Michenka, Jozef (12x), Brunello, Sabino (11x), Korneev, Oleg (11x), Ilincic, Zlatko (11x), Balta, Mihai Victor (10x)
6.Nc3 — 5.1% (159 parties)
Ambassadeurs : Kezin, Roman (3x), Halkias, Stelios (2x), Delorme, Axel (2x), Chekletsov, Ilya (2x), Livaic, Leon (2x), Leite, Denis Moreira (2x), Mihelic, Vesna (2x), Goltseva, Ekaterina (2x)
6.Nbd2 — 4.6% (144 parties)
Ambassadeurs : Kelires, Andreas (5x), Papaioannou, Ioannis (4x), Percivaldi, Martin (4x), Horvath, Peter (3x), Malikentzos, Sotirios (3x), Lysenko, Margarita (3x), Kleymenova, Valeria (3x), Mikhalevski, Alexander (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Bd2 6.Nc3 6.Nbd2
<1800 33 91% 6% 3%
1800-2200 778 92% 4% 3%
2200-2600 1962 89% 5% 5%
2600+ 180 92% 5% 3%
Évolution par décennie (% des parties)
Décennie N parties 6.Bd2 6.Nc3 6.Nbd2
1940s 1 100%
1950s 6 100%
1960s 5 80% 20%
1970s 21 90% 10%
1980s 34 94% 6%
1990s 72 81% 14% 6%
2000s 356 89% 6% 6%
2010s 1706 92% 5% 3%
2020s 913 88% 5% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Bd2 92% 88% ▼ -4.5%
6.Nc3 5% 5% ▲ +0.7%
6.Nbd2 3% 7% ▲ +3.8%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 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 — 90.3% (2811 parties)
1946 — Ragozin, Viacheslav vs Pinkus, Albert — 1-0 — Moscow RUS
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 — 1-0 — Tartu EST
1953 — Van Seters, Frits vs Soultanbeieff, Victor — 1-0 — Antwerp BEL
6.Nc3 — 5.1% (159 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 — Herman Steve vs Kovlick, Randy — 1-0 — N Carolina Inv
6.Nbd2 — 4.6% (144 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 — ?