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B73a — Dragon Classical
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O
Eval: [+0.22]
Les coups candidats
Ambassadeurs : Yanofsky, Daniel Abraham (15x), Engels, Ludwig (11x), Bogoljubow, Efim (11x), Gilg, Karl (11x), Rellstab, Ludwig (10x), Aitken, James (10x), Alekhine, Alexander (9x), Mednis, Edmar J (9x)
8…Bd7 — 3.2% (196 parties)
Ambassadeurs : Kraehmer, Martin (3x), Zapata Zuluaga Alexandra (3x), Neumann, Augustin (2x), Blackburne, Joseph (2x), Pillsbury, Harry (2x), Borchardt, B. (2x), Fischer, Sven (2x), Reuter, Roland (2x)
8…a6 — 0.6% (39 parties)
Ambassadeurs : Monticelli, Mario (1x), Santasiere, Anthony (1x), Bartis Bosch, Josep (1x), De Piro, Tristram (1x), Escandell, Bartolome (1x), Senabre, Juan Vicente (1x), Patrick, Chaski (1x), Hirsch, Robert (1x)
8…h5 — 0.4% (22 parties)
Ambassadeurs : Nikonova, Irina (2x), Showalter, Jackson (1x), Delmar, Eugene (1x), Schelfhout, Willem (1x), Blackburne, Joseph (1x), Yanofsky, Daniel Abraham (1x), Barda, Olaf (1x), Reti, Richard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…O-O 8…Bd7 8…a6 8…h5
<1800 284 93% 4% 1% 0%
1800-2200 2077 95% 3% 1% 1%
2200-2600 1347 99% 1%
2600+ 22 100%
Évolution par décennie (% des parties)
Décennie N parties 8…O-O 8…Bd7 8…a6 8…h5
1880s 9 78% 22%
1890s 13 92% 8%
1900s 43 67% 30% 2%
1910s 26 92% 8%
1920s 55 89% 7% 2%
1930s 165 96% 3% 1%
1940s 185 97% 1% 1%
1950s 202 97% 2% 0%
1960s 178 96% 2% 1%
1970s 181 98% 1%
1980s 337 96% 2% 0% 1%
1990s 1217 94% 4% 1% 0%
2000s 1747 95% 3% 1% 0%
2010s 1451 95% 3% 1% 0%
2020s 238 97% 3% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…O-O 95% 97% ▲ +1.3%
8…Bd7 3% 3% ▼ -0.6%
8…a6 1% 0% -0.1%
8…h5 0% 0% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 10 parties
Euwe, Max — 7 parties
Lasker, Emanuel — 6 parties
Smyslov, Vladimir — 5 parties
Botvinnik, Mikhail — 2 parties
Hou, Yifan — 2 parties
Tal, Mikhail — 1 partie
Capablanca, Jose Raul — 1 partie
Kramnik, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
8…O-O — 95.1% (5749 parties)
1883 — Englisch, Berthold vs Bird, Henry — 1-0 — London ENG
1885 — MacKenzie, George H vs Bird, Henry — 1/2-1/2 — Hereford
1886 — Gunsberg, Isidor vs Bird, Henry — 1-0 — London ENG
1886 — MacKenzie, George H vs Bird, Henry — 1-0 — London ENG
1886 — Lipschuetz, Salomon vs Bird, Henry — 1-0 — London ENG
8…Bd7 — 3.2% (196 parties)
1885 — Minckwitz, Johannes vs Schallopp, Emil — 1-0 — Hamburg GER
1889 — Baird, David vs White, Max — 1-0 — New York, NY USA
1900 — Brody, Dimitry vs Pillsbury, Harry — 0-1 — Paris FRA
1900 — BrodyRosen vs Pillsbury, HFazy — 1-0 — Paris FRA
1900 — Brody, Miklos vs Lasker, Emanuel — 0-1 — Paris FRA
8…a6 — 0.6% (39 parties)
1934 — Monticelli, Mario vs Santasiere, Anthony — 1-0 — Syracuse USA
1952 — Bartis Bosch, Josep vs De Piro, Tristram — 0-1 — Buenos Aires ARG
1963 — Patrick, Chaski vs Hirsch, Robert — 1-0 — ?
1967 — Escandell, Bartolome vs Senabre, Juan Vicente — 0-1 — Buenos Aires ARG
1988 — Janaen Helmut vs Muller, Alfred — 1-0 — Landes-Einzelmeister
8…h5 — 0.4% (22 parties)
1893 — Showalter, Jackson vs Delmar, Eugene — 1/2-1/2 — New York, NY USA
1905 — Schelfhout, Willem vs Blackburne, Joseph — 1-0 — Ostende
1920 — Reti, Richard vs Breyer, Gyula — 0-1 — Berlin GER
1943 — Bogoljubow, Efim vs Alekhine, Alexander — 1-0 — Warsaw POL
1947 — Yanofsky, Daniel Abraham vs Barda, Olaf — 1-0 — Copenhagen DEN