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A90w —
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 c6 5.Nf3 d5 6.O-O Bd6
Les coups candidats
Ambassadeurs : Gleizerov, Evgeny (37x), Ulybin, Mikhail (32x), Moskalenko, Viktor (32x), Vaisser, Anatoly (27x), Prokopp, Heinz (21x), Cvak, Rudolf (20x), Agdestein, Simen (20x), Iljushin, Alexei (16x)
7.Nc3 — 14.1% (1413 parties)
Ambassadeurs : Gleizerov, Evgeny (14x), Llagaria Vidal, Eduardo (7x), Zaitseva, Ludmila G. (5x), Tuominen, Risto (5x), Chaika, Ivan (5x), Claridge, John B (5x), Tozer, Philip A (5x), Hassim, Unes (5x)
7.Bf4 — 11.4% (1139 parties)
Ambassadeurs : Ulybin, Mikhail (15x), Gleizerov, Evgeny (13x), Moskalenko, Viktor (13x), Botsari, Anna-Maria (8x), Ikonnikov, Vyacheslav (8x), Beliavsky, Alexander G (7x), Kachiani-Gersinska, Ketino (7x), Krasenkow, Michal (6x)
7.Qc2 — 10.6% (1057 parties)
Ambassadeurs : Gleizerov, Evgeny (20x), Ulybin, Mikhail (15x), Grabuzova, Tatiana (8x), Medic, Mirjana (8x), Vaisser, Anatoly (7x), Zaitseva, Ludmila G. (5x), Sakalauskas, Vaidas (5x), Vogel, Jaap (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.b3 7.Nc3 7.Bf4 7.Qc2
<1800 207 46% 21% 6% 13%
1800-2200 3683 56% 15% 9% 11%
2200-2600 4804 57% 13% 14% 11%
2600+ 94 64% 7% 7% 13%
Évolution par décennie (% des parties)
Décennie N parties 7.b3 7.Nc3 7.Bf4 7.Qc2
1890s 1
1920s 6 50% 33%
1930s 10 30% 10% 10%
1940s 24 50% 21% 8% 12%
1950s 41 51% 15% 5% 15%
1960s 33 45% 21% 12% 15%
1970s 50 58% 10% 4% 16%
1980s 516 66% 6% 13% 8%
1990s 2170 57% 8% 18% 9%
2000s 2609 58% 9% 14% 10%
2010s 3992 53% 21% 7% 12%
2020s 557 53% 20% 8% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.b3 53% 53% +0.4%
7.Nc3 21% 20% ▼ -1.2%
7.Bf4 7% 8% ▲ +1.6%
7.Qc2 12% 10% ▼ -2.2%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 4 parties
Kramnik, Vladimir — 3 parties
Carlsen, Magnus — 3 parties
Kasparov, Garry — 1 partie
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
7.b3 — 55.7% (5580 parties)
1937 — Fine, Reuben vs Bondarevsky, Igor — 1-0 — Moscow RUS
1938 — Pirc, Vasja vs Toth, Bela — 1-0 — Ljubljana
1939 — Mueller, Helge vs Engels, Ludwig — 1/2-1/2 — Bad Oeynhausen ch-GER
1942 — Winter, William vs Sallay, Roland — 0-1 — Budapest HUN
1943 — Urbanec, Karel vs Novotny, Oldrich — 1/2-1/2 — Prague CZE
7.Nc3 — 14.1% (1413 parties)
1924 — Bogoljubow, Efim vs Tartakower, Savielly — 1-0 — It New York, NY USA
1924 — Bogoljubow, Efim vs Tartakower, Savielly — 1-0 — New York, NY USA
1925 — Bogoljubow, Efim vs Mieses, Jacques — 1-0 — Baden-Baden GER
1940 — Botvinnik, Mikhail vs Ragozin, Viacheslav — 1-0 — Leningrad RUS
1945 — Milic, Borislav vs Tot, Bora — 0-1 — Novi Sad SRB
7.Bf4 — 11.4% (1139 parties)
1931 — Opocensky, Karel vs Skalicka, Karel — 1-0 — Praag predolympijsky
1940 — Konstantinopolsky, Alexander vs Ragozin, Viacheslav — 0-1 — Moskou ch-URS
1940 — Konstantinopolsky, Alexander vs Ragozin, Viacheslav — 0-1 — Moscow RUS
1954 — Borisenko, Georgy K vs Lisitsin, Georgy — 1-0 — Kiev ch-URS
1958 — Füster, Géza vs Durão, Joaquim Manuel — 1/2-1/2 — Lisbon POR
7.Qc2 — 10.6% (1057 parties)
1925 — Gruenfeld, Ernst vs De La Torre Huertas, Carlos — 0-1 — Baden-Baden it, GER
1925 — Tarrasch, Siegbert vs De La Torre Huertas, Carlos — 1/2-1/2 — Baden-Baden GER
1931 — Budo, Alexander Semionovi vs Selezniev, Alexey — 1/2-1/2 — Moscow RUS
1944 — Garcia Balado, Leon vs Villegas, Benito — 0-1 — La Plata
1947 — Zemgalis, Elmars vs Ozols, Karlis — 1-0 — Hanau