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D28e —
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bd3
Eval: [+0.10]
Les coups candidats
Ambassadeurs : Rashkovsky, Nukhim N (9x), Neverov, Valeriy (7x), Golz, Werner (5x), Keres, Paul (5x), Reshevsky, Samuel (5x), Borisenko, Georgy K (4x), Lputian, Smbat (4x), Kupreichik, Viktor D (4x)
8…Bb7 — 30.3% (284 parties)
Ambassadeurs : Van Steenis, Hendrik Jan (3x), Taimanov, Mark (3x), Mikhalchishin, Adrian (3x), Ivanov, Jordan (3x), Giessmann, Stephan (3x), Korneva, Marina (3x), Najdorf, Miguel (2x), Vinuesa, Juan (2x)
8…Nbd7 — 11.5% (108 parties)
Ambassadeurs : Gruenfeld, Ernst (4x), Lilienthal, Andor (2x), Becker, Albert (2x), Ribli, Zoltan (2x), Laghetti, Gaetano (2x), Goncharenko, Georgy (2x), Mende, Ingus (2x), Sánchez Rivero, Miguel (2x)
8…Nc6 — 8.2% (77 parties)
Ambassadeurs : Guimard, Carlos E (2x), Piazzini, Luis (2x), Smyslov, Vasily (2x), Polugaevsky, Lev (2x), Toprover, Viktor G. (2x), Pilnik, Herman (2x), Ernst, Wilhelm (1x), Kieninger, Georg (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…cxd4 8…Bb7 8…Nbd7 8…Nc6
<1800 15 67% 13% 7%
1800-2200 189 44% 33% 12% 5%
2200-2600 517 48% 30% 12% 8%
2600+ 21 67% 24% 5% 5%
Évolution par décennie (% des parties)
Décennie N parties 8…cxd4 8…Bb7 8…Nbd7 8…Nc6
1910s 1 100%
1930s 15 20% 13% 47% 20%
1940s 16 6% 50% 25% 19%
1950s 36 47% 22% 28%
1960s 40 50% 35% 5% 5%
1970s 14 36% 50% 7%
1980s 84 61% 23% 6% 10%
1990s 170 45% 37% 8% 8%
2000s 228 44% 34% 9% 9%
2010s 255 52% 26% 14% 4%
2020s 77 42% 22% 27% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…cxd4 52% 42% ▼ -10.2%
8…Bb7 26% 22% ▼ -4.2%
8…Nbd7 14% 27% ▲ +13.5%
8…Nc6 4% 6% ▲ +2.2%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 3 parties
Lasker, Emanuel — 1 partie
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
8…cxd4 — 46.9% (439 parties)
1936 — Lasker, Emanuel vs Reshevsky, Samuel — 1-0 — Nottingham IT
1937 — Landau, Salo vs Reshevsky, Samuel — 1-0 — It Kemeri LAT
1937 — Burillo Landau, Dante Ramon vs Reshevsky, Samuel — 0-1 — ?
1945 — Euwe, Max vs Devos, Paul — 1-0 — Hastings ENG
1950 — Geller, Efim P. vs Alatortsev, Vladimir N. — 1/2-1/2 — Moskou ch-URS
8…Bb7 — 30.3% (284 parties)
1911 — Kostic, Boris vs Důras, Oldřich — 1/2-1/2 — Carlsbad CZE
1937 — Raud, Ilmar vs Vistaneckis, Isakas — 1/2-1/2 — Stockholm SWE
1938 — Guimard, Carlos E vs Bensadon, Rafael — 1-0 — Argentina
1940 — Euwe, Max vs Landau, Salo — 0-1 — unknown
1941 — Najdorf, Miguel vs Vinuesa, Juan — 1/2-1/2 — Mar del Plata ARG
8…Nbd7 — 11.5% (108 parties)
1933 — Becker, Albert vs Gruenfeld, Ernst — 1-0 — Vienna AUT
1933 — Becker, Albert vs Gruenfeld, Ernst — 1-0 — Wenen
1933 — Dake, Arthur William vs Reinfeld, Fred — 1/2-1/2 — New York, NY USA
1934 — Lilienthal, Andor vs Landau, Salo — 1-0 — Amsterdam NED
1934 — Lilienthal, Andor vs Burillo Landau, Dante Ramon — 1-0 — Amsterdam NED
8…Nc6 — 8.2% (77 parties)
1934 — Chekhover, Vitaly vs Kmoch, Hans — 1-0 — Leningrad RUS
1938 — Guimard, Carlos E vs Piazzini, Luis — 1/2-1/2 — ch match Buenos
1938 — Guimard, Carlos E vs Piazzini, Luis — 1/2-1/2 — Argentina
1940 — Ernst, Wilhelm vs Kieninger, Georg — 1/2-1/2 — Cologne GER
1946 — Paal-Szucs, Attila vs Byrne, Ray — 0-1 — Pittsburgh