D29b - 9.Nc3 - QGA: Classical (1910)

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D29b — Classical
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bb3 Bb7 9.Nc3
Les coups candidats
9…Nbd7 — 83.4% (771 parties)
Ambassadeurs : Hoi, Carsten (12x), Reshevsky, Samuel (7x), Najdorf, Miguel (5x), Leitao, Rafael (5x), Velikov, Petar (5x), Slipak, Sergio (4x), Ibragimov, Ildar (4x), Danner, Georg (4x)
9…Be7 — 5.3% (49 parties)
Ambassadeurs : Pilnik, Herman (3x), Bolbochan, J. (2x), Pachman, Ludek (2x), Bisguier, Arthur B (2x), Grechkin, Dmitry M (1x), Vasiliev, Viktor A (1x), Maderna, Carlos (1x), Sandor, Balazs (1x)
Ambassadeurs : Reshevsky, Samuel (1x), Vidmar, Milan Sr (1x), Najdorf, Miguel (1x), Christoffel, Martin (1x), Treybal, Karel (1x), Odehnal, J. (1x), Honan, N. (1x), Akonde Marshall (1x)
9…cxd4 — 2.9% (27 parties)
Ambassadeurs : Fuster, Geza (2x), Bannik, Anatolij (2x), Pilgaard, Kim (2x), Hoi, Carsten (2x), Steinitz, Wilhelm (1x), Janowski, Dawid (1x), Kotov, Alexander (1x), Kotov Lundqvist, Alex (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Nbd7 9…Be7 9…Nc6 9…cxd4
<1800 10 80% — — —
1800-2200 175 78% 3% 6% 5%
2200-2600 496 86% 5% 3% 2%
2600+ 15 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 9…Nbd7 9…Be7 9…Nc6 9…cxd4
1890s 1 — — — 100%
1910s 2 50% — — —
1920s 1 — — 100% —
1930s 10 90% — 10% —
1940s 15 53% 20% 7% 13%
1950s 39 59% 26% 8% 5%
1960s 58 90% 2% — 2%
1970s 19 95% — 5% —
1980s 73 89% 5% 4% —
1990s 176 89% 2% 2% 2%
2000s 257 81% 6% 4% 4%
2010s 217 84% 4% 3% 3%
2020s 56 88% 4% 4% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Nbd7 84% 88% ▲ +3.2%
9…Be7 4% 4% ▼ -0.6%
9…Nc6 3% 4% +0.3%
9…cxd4 3% 0% ▼ -3.2%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 2 parties
Steinitz, Wilhelm — 1 partie
Euwe, Max — 1 partie
Alekhine, Alexander — 1 partie
Anand, Viswanathan — 1 partie
Tal, Mikhail — 1 partie
Botvinnik, Mikhail — 1 partie
Parties historiques
9…Nbd7 — 83.4% (771 parties)
1911 — Alapin, Simon vs Dus Chotimirsky, Fedor — 0-1 — Carlsbad CZE
1930 — Landau, Salo vs Rubinstein, Akiba — 1/2-1/2 — NED
1934 — Flohr, Salo vs Gruenfeld, Ernst — 1/2-1/2 — Ujpest
1935 — Kostic, Borislav vs Eliskases, Erich — 0-1 — Warsaw POL
1935 — Lundin, Erik vs Staehelin, Adolf — 1-0 — Warsaw ol Warsaw POL
9…Be7 — 5.3% (49 parties)
1944 — Maderna, Carlos vs Pilnik, Herman — 0-1 — Mar del Plata ARG
1945 — Bolbochan, J. vs Pilnik, Herman — 1-0 — Mar del Plata ARG
1949 — Grechkin, Dmitry M vs Vasiliev, Viktor A — 1/2-1/2 — Tbilisi GEO
1952 — Bolbochan, J. vs Michel, Pascal — 1/2-1/2 — Mar del Plata ARG
1953 — Ojanen, Kaarle S vs Pilnik, Herman — 1/2-1/2 — Mar del Plata ARG
9…Nc6 — 3.7% (34 parties)
1923 — Treybal, Karel vs Odehnal, J. — 1-0 — sim Brno
1936 — Reshevsky, Samuel vs Vidmar, Milan Sr — 1-0 — Nottingham ENG
1946 — Najdorf, Miguel vs Christoffel, Martin — 1-0 — Groningen NED
1950 — Honan, N. vs Akonde Marshall — 1-0 — England
1957 — Gusev, Yuri S vs Estrin, Yakov — 1-0 — Moscow RUS
9…cxd4 — 2.9% (27 parties)
1899 — Steinitz, Wilhelm vs Janowski, Dawid — 0-1 — London ENG
1949 — Kotov, Alexander vs Fuster, Geza — 1-0 — ?
1949 — Kotov Lundqvist, Alex vs Fuster, Geza — 1-0 — Budapest HUN
1958 — Furman, Slavomir vs Bannik, Anatolij — 0-1 — Riga ch-URS
1958 — Abramovich Furman, Semyon vs Bannik, Anatolij — 0-1 — Riga LAT