C80k - 6.d4 b5 7.Bb3 d5 8.a4 - Open [-0.31]

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C80k — Open
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.a4
Eval: [-0.31]
Les coups candidats
8…Rb8 — 38.3% (64 parties)
Ambassadeurs : Pillsbury, Harry (6x), Schlechter, Carl (6x), Marco, Georg (4x), Burn, Amos (4x), Tarrasch, Siegbert (3x), Spielmann, Rudolf (3x), Mason, James (3x), Lasker, Emanuel (3x)
Ambassadeurs : Teichmann, Richard (6x), Bogoljubow, Efim (3x), Tarrasch, Siegbert (3x), Schlechter, Carl (2x), Wolf Heinrich (2x), Wagner, Heinrich (2x), Yates, Frederic D (2x), Lasker, Emanuel (2x)
8…Be6 — 16.2% (27 parties)
Ambassadeurs : Vidmar, Milan Sr (2x), Pillsbury, Harry (1x), Weld, HA SalaEM (1x), Olland, Adolf George (1x), Schwanden (1x), Janowski, Dawid (1x), Cohn, Wilhelm (1x), Winawer, Szymon (1x)
8…b4 — 11.4% (19 parties)
Ambassadeurs : Pillsbury, Harry (2x), Tarrasch, Siegbert (2x), Baci, Vedran (2x), Bauer, Johann (1x), Loman, Rudolf (1x), Cigorin, Michael Ivanovic (1x), Rosenthal, Samuel (1x), Burn, Amos (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Rb8 8…Nxd4 8…Be6 8…b4
1800-2200 14 29% 21% 14% 29%
2200-2600 26 27% 31% 31% 12%
2600+ 1 — — 100% —
Évolution par décennie (% des parties)
Décennie N parties 8…Rb8 8…Nxd4 8…Be6 8…b4
1870s 2 50% — — —
1880s 4 — 25% 25% 50%
1890s 16 69% — 19% 12%
1900s 38 76% — 13% 8%
1910s 35 23% 69% 3% 3%
1920s 4 25% 50% 25% —
1930s 2 — 50% 50% —
1940s 5 — 100% — —
1950s 2 50% 50% — —
1960s 7 29% 29% 14% 14%
1970s 6 33% 50% 17% —
1980s 6 33% 33% 17% 17%
1990s 14 21% 14% 29% 29%
2000s 13 8% 31% 38% 23%
2010s 9 33% 33% 22% 11%
2020s 4 — 50% 25% 25%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Rb8 33% 0% ▼ -33.3%
8…Nxd4 33% 50% ▲ +16.7%
8…Be6 22% 25% ▲ +2.8%
8…b4 11% 25% ▲ +13.9%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 6 parties
Alekhine, Alexander — 1 partie
Parties historiques
8…Rb8 — 38.3% (64 parties)
1879 — Chigorin, Mikhail vs Solovtsov, Alexander Vladimiro — 0-1 — St Petersburg RUS
1890 — Coffee Jean Jacques vs Csank, Adolf — 0-1 — Vienna AUT
1895 — Pillsbury, Harry vs Agnivesh Albin — 1-0 — Hastings ENG
1895 — Pillsbury, Harry vs Bradford, RFTaberCS — 0-1 — B4
1895 — Schlechter, Carl vs Schiffers, Emanuel — 1-0 — Hastings ENG
8…Nxd4 — 31.1% (52 parties)
1881 — Cigorin, Michael Ivanovic vs Wemmers, Carl — 1-0 — Berlin GER
1910 — Schories, Georg vs Yates, Frederic D — 0-1 — London ENG
1910 — Lasker, Emanuel vs Morrison, John — 1/2-1/2 — Wenen wch-m
1910 — Lasker, Emanuel vs Morrison, John — 1/2-1/2 — GER/AUT
1910 — Köhnlein, Friedrich vs Tarrasch, Siegbert — 1/2-1/2 — Hamburg GER
8…Be6 — 16.2% (27 parties)
1883 — Winawer, Szymon vs Berger, Jacob — 1-0 — Nuerenberg GER
1899 — Pillsbury, Harry vs Weld, HA SalaEM — 0-1 — B
1899 — Olland, Adolf George vs Schwanden — 1-0 — Amsterdam NED
1899 — Janowski, Dawid vs Cohn, Wilhelm — 1-0 — London ENG
1903 — Loman Valencia Gonzalez, Emiliano vs Neumann Feliu, Rodrigo — 0-1 — Hilversum NED
8…b4 — 11.4% (19 parties)
1883 — Cigorin, Michael Ivanovic vs Rosenthal, Samuel — 1-0 — London ENG
1889 — Bauer, Johann vs Loman, Rudolf — 1-0 — Amsterdam NED
1898 — Pillsbury, Harry vs Tarrasch, Siegbert — 1-0 — Vienna AUT
1898 — Pillsbury, Harry vs Tarrasch, Siegbert — 1-0 — Vienna AUT
1900 — Burn, Amos vs Jacob, Franz — 1-0 — Munich GER