C82d - 9…Nc5 10.Bc2 Bg4 11.Re1 - Open Berlin [+0.66]

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C82d — Open Berlin
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Nc5 10.Bc2 Bg4 11.Re1
Eval: [+0.66]
Les coups candidats
11…Be7 — 68.9% (157 parties)
Ambassadeurs : Korchnoi, Viktor (5x), Radashkovich, Itchak (4x), Zhukov, Sergey (4x), Torre, Eugenio (4x), Agzamov, Georgy (3x), Grivas, Efstratios (3x), Kroener, Otto (3x), Jaluvka, Josef (3x)
11…Qd7 — 16.2% (37 parties)
Ambassadeurs : Ujtumen, Tudev (3x), Lilienthal, Siegfried (2x), Polgar, Sandor (2x), Levenfish, Grigory (1x), Alatortsev, Vladimir N. (1x), Mross, Paul (1x), Rohacek, Ivan (1x), Gebuhr, Guenter (1x)
11…d4 — 8.3% (19 parties)
Ambassadeurs : Lehmann, Heinz (3x), German, Eugenio (3x), Teschner, Rudolf (2x), Klavins, Janis (2x), Alster, Ladislav (1x), Kucera, Jan (1x), Abrego Baker, Abdiel Hotir (1x), Sergeant, William (1x)
11…Ne6 — 6.1% (14 parties)
Ambassadeurs : Alatortsev, Vladimir N. (2x), Gruenfeld, Yehuda (2x), Pliester, Leon (2x), Ragozin, Viacheslav (1x), Makogonov, Vladimir (1x), Ragozin, Victor (1x), Makagonov, V. (1x), Bronstein, Anna (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…Be7 11…Qd7 11…d4 11…Ne6
<1800 6 67% — 33% —
1800-2200 30 70% 23% 3% 3%
2200-2600 79 65% 25% 1% 9%
2600+ 5 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 11…Be7 11…Qd7 11…d4 11…Ne6
1910s 5 40% — 60% —
1930s 1 100% — — —
1940s 10 — 20% 30% 40%
1950s 11 9% 9% 82% —
1960s 16 38% 31% 25% 6%
1970s 31 87% 13% — —
1980s 45 87% 9% — 4%
1990s 38 84% 16% — —
2000s 49 73% 20% — 6%
2010s 20 60% 20% — 20%
2020s 2 50% 50% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…Be7 60% 50% ▼ -10.0%
11…Qd7 20% 50% ▲ +30.0%
11…d4 0% 0% +0.0%
11…Ne6 20% 0% ▼ -20.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
11…Be7 — 68.9% (157 parties)
1910 — Speijer, Abraham vs Köhnlein, Friedrich — 0-1 — Hamburg GER
1919 — Selezniev, Alexey vs Bogoljubow, Efim — 1/2-1/2 — Berlin GER
1936 — Geshev G vs Gilfer, Eggert — 1/2-1/2 — Munich GER
1956 — Rossolimo, Nicolas vs Bartis, Gustavo — 0-1 — Buenos Aires ARG
1960 — Boehringer, W. vs Teipelke, H. — 1-0 — corr FSM
11…Qd7 — 16.2% (37 parties)
1941 — Mross, Paul vs Rohacek, Ivan — 1-0 — Munich GER
1947 — Levenfish, Grigory vs Alatortsev, Vladimir N. — 1-0 — Leningrad ch-URS
1955 — Skrovina, Milan vs Sefc, Jan — 0-1 — Stary Smokovec SVK
1964 — Liebert, Heinz vs Ujtumen, Tudev — 0-1 — Tel Aviv ISR
1965 — Ciric, Aleksandar vs Ujtumen, Tudev — 1/2-1/2 — Sochi RUS
11…d4 — 8.3% (19 parties)
1914 — Abrego Baker, Abdiel Hotir vs Sergeant, William — 0-1 — cr.
1915 — Chapman, Alan D vs Griffith De Leon, Meidelys Danielle — 1/2-1/2 — cr.
1916 — Bombardo Schroder, Liam vs Perkins, Frank Kendall — 1-0 — Brooklyn
1944 — Alster, Ladislav vs Kucera, Jan — 1-0 — Brno ch CZE B
1947 — Lehmann, Heinz vs Teschner, Rudolf — 0-1 — Berlin GER
11…Ne6 — 6.1% (14 parties)
1947 — Ragozin, Viacheslav vs Makogonov, Vladimir — 1/2-1/2 — Leningrad RUS
1947 — Ragozin, Victor vs Makagonov, V. — 1/2-1/2 — Leningrad ch-URS
1947 — Bronstein, Anna vs Alatortsev, Vladimir N. — 1/2-1/2 — Leningrad ch SU
1947 — Bronstein, David I vs Alatortsev, Vladimir N. — 1/2-1/2 — Leningrad ch-URS
1969 — Olafsson, Fridrik vs Jonsson, Johann Thorir — 1-0 — ISL-ch Reykjavik ISL