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C67l — Open Berlin Main Line (Rio de Janerio)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.Nc3
Eval: [+0.33]
Les coups candidats
9…O-O — 87.3% (483 parties)
Ambassadeurs : Knezevic, Milorad (11x), Lasker, Emanuel (10x), Ahman, Harry (10x), Reti, Richard (7x), Pillsbury, Harry (6x), Kubasky, Alojz (6x), Burn, Amos (4x), Janowski, Dawid (4x)
9…Nc5 — 12.5% (69 parties)
Ambassadeurs : Gunston, William H (4x), Englisch, Berthold (3x), Knezevic, Milorad (3x), Valkesalmi, Kimmo (3x), Gawne, Martin (3x), Deskin, Gary (3x), Zukertort, Johannes (2x), Trenchard, Herbert W (2x)
9…d6 — 0.2% (1 parties)
Ambassadeurs : Onder, Evren (1x), Bedard, Mark (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…O-O 9…Nc5 9…d6
<1800 6 83% 17%
1800-2200 91 84% 16%
2200-2600 169 91% 9%
2600+ 17 94% 6%
Évolution par décennie (% des parties)
Décennie N parties 9…O-O 9…Nc5 9…d6
1860s 1 100%
1870s 1 100%
1880s 12 67% 33%
1890s 27 59% 41%
1900s 39 85% 15%
1910s 13 77% 23%
1920s 3 67% 33%
1930s 4 75% 25%
1940s 4 50% 50%
1950s 7 86% 14%
1960s 27 100%
1970s 33 91% 9%
1980s 78 97% 3%
1990s 88 85% 14% 1%
2000s 85 92% 8%
2010s 118 89% 11%
2020s 13 92% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…O-O 89% 92% ▲ +3.3%
9…Nc5 11% 8% ▼ -3.3%
9…d6 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 10 parties
Tal, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Smyslov, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
9…O-O — 87.3% (483 parties)
1881 — Berger, Jacob vs Wittek, Alexander — 1/2-1/2 — Berlin GER
1885 — Bier, Max vs White, Max — 0-1 — Hamburg GER
1886 — Richardson, Philip vs Lipschuetz, Samuel — 0-1 — New York, NY USA
1889 — Bird, Henry vs Martinez, Dion M — 0-1 — New York, NY USA
1889 — White, Max vs Burn, Amos — 1/2-1/2 — New York, NY USA
9…Nc5 — 12.5% (69 parties)
1867 — Rosenthal, Samuel vs Neumann, Gustav — 1/2-1/2 — Paris FRA
1879 — Baad Schmidt, Noah vs Chigorin, M. — 0-1 — St Petersburg RUS
1881 — Zukertort, Johannes vs Minckwitz, Johannes — 1-0 — Berlin GER
1882 — Zukertort, Johannes vs Englisch, Berthold — 0-1 — Vienna AUT
1882 — MacKenzie, George H vs Englisch, Berthold — 1-0 — Vienna AUT
9…d6 — 0.2% (1 parties)
1999 — Onder, Evren vs Bedard, Mark — 1-0 — CN.1999.0.00108