D45j - 5…Nbd7 6.Qc2 Be7 [+0.28]

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D45j —
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Be7
Eval: [+0.28]
Les coups candidats
7.b3 — 34.4% (1017 parties)
Ambassadeurs : Kovacs, Marton (5x), Kock, Hans-Uwe (5x), Najdorf, Miguel (4x), Stoltz, Gabriel (3x), Pachman, Ludek (3x), Crepan, Marjan (3x), Iskusnyh, Sergei (3x), Bezmalinovic, Dario (3x)
7.Bd3 — 30.9% (915 parties)
Ambassadeurs : Pena Riasco, Alexander (3x), Aksoy, Ayca (3x), Litmanowicz, Miroslawa (2x), Agzamov, Georgy (2x), Schumacher, Olaf (2x), Polasek, Filip (2x), Theeravanvilai, Prasert (2x), Obando, Daniel (2x)
7.g4 — 12.3% (365 parties)
Ambassadeurs : Mirzoev, Azer (3x), Gohil, Harry (2x), Astengo, Marcello (2x), Brigelhuber, Eric (2x), Dziuba, Marcin (2x), Schuh, Karsten (2x), Ikeda, Junta (2x), Kociscak, Jiri (2x)
7.Be2 — 11.9% (353 parties)
Ambassadeurs : Yepes Martinez, Eduard (3x), Manaschev, Erlan (3x), Pekarek, Ales (2x), Matlak, Marek (2x), Bischoff, Klaus (2x), Ljubojevic, Ljubomir (2x), Halldorsson, Bragi (2x), Shipov, Sergei (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.b3 7.Bd3 7.g4 7.Be2
<1800 122 30% 40% 11% 6%
1800-2200 1360 34% 31% 15% 10%
2200-2600 931 37% 30% 10% 15%
2600+ 11 36% 18% 9% 27%
Évolution par décennie (% des parties)
Décennie N parties 7.b3 7.Bd3 7.g4 7.Be2
1920s 3 — — — —
1930s 19 26% 21% — —
1940s 14 50% 36% — —
1950s 31 68% 19% — 3%
1960s 26 54% 12% — —
1970s 25 44% 36% — —
1980s 72 46% 10% — 25%
1990s 495 33% 25% 7% 25%
2000s 983 30% 32% 16% 12%
2010s 1115 35% 34% 14% 8%
2020s 176 43% 34% 12% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.b3 35% 43% ▲ +7.9%
7.Bd3 34% 34% -0.1%
7.g4 14% 12% ▼ -2.1%
7.Be2 8% 5% ▼ -3.1%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 2 parties
Gukesh D — 2 parties
Euwe, Max — 1 partie
Tal, Mikhail — 1 partie
Parties historiques
7.b3 — 34.4% (1017 parties)
1930 — Prokop, Frantisek vs Runza, J. — 1-0 — Prague CZE
1930 — A F Lantzius vs Euwe, Max — 0-1 — Medan INA
1931 — Szekely, Jeno vs Steiner, Lajos — 0-1 — Budapest HUN
1934 — Tylor, Theodore Henry vs Michell, Reginald — 0-1 — Chester, Town Hall
1937 — Urban Szabo, Bela Dr. vs Molisch, J. — 1/2-1/2 — Brno CZE
7.Bd3 — 30.9% (915 parties)
1930 — Tartakower, Savielly vs Ahues, Carl — 1-0 — San Remo ITA
1933 — Lisitsin, Georgy vs Goglidze, Viktor — 1-0 — Ch URS Leningrad RUS
1938 — Alhuay Grau, Dominick Fabricio vs Pulcherio, Cauby — 1/2-1/2 — Rio de Janeiro BRA
1939 — Cruz Bulnes vs Rebnord, S. — 0-1 — Buenos Aires ARG
1940 — Kunerth, Werner E vs Nowarra, Heinz — 1/2-1/2 — Berlin GER
7.g4 — 12.3% (365 parties)
1992 — Barsov, Alexei vs Ochkoos, Jura — 1/2-1/2 — Labor Day op
1992 — Abou El Zein, Eid Mahmoud vs Mollah Abdullah, Al Rakib — 1-0 — Doha QAT
1993 — Braun, Christian vs Katz, Roland — 0-1 — GER
1993 — Pachmann, Ales vs Orsag, Milan — 1-0 — Prague CZE
1993 — Adamek, Zdenek vs Svoboda, Zdenek — 0-1 — ?
7.Be2 — 11.9% (353 parties)
1955 — Fries, Tom vs Bermudez Adams, William — 1/2-1/2 — Fresno, CA
1980 — Jakobsen, Ole vs Eriksson, Mats 1959 — 1/2-1/2 — Stockholm SWE
1983 — Rukavina, Josip vs Bozovic, Milomir — 1/2-1/2 — Pula CRO
1984 — Adrian Medina, Juan Cristian vs Vera Gonzalez-Quevedo, Reynaldo — 1/2-1/2 — CUB
1988 — Brueckner, Thomas vs Aleman Ramos, Diego — 1/2-1/2 — Duitsland tt