C85i - 6…dxc6 7.Qe1 Nd7 8.b3 - Closed Exchange

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C85i — Closed Exchange
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.Qe1 Nd7 8.b3
Eval: [-0.25]
Les coups candidats
8…O-O — 49.3% (226 parties)
Ambassadeurs : Shabalov, Alexander (6x), Gullaksen, Eirik (4x), Georgiev, Krum (4x), Jackson, Sheila (3x), Kovalev, Andrei (3x), Blatny, Pavel (3x), El Taher, Fouad (3x), Lanc, Alois (3x)
8…c5 — 42.8% (196 parties)
Ambassadeurs : Lanc, Alois (5x), Blatny, Pavel (5x), Shabalov, Alexander (4x), Padevsky, Nikola (3x), Magem Badals, Jordi (3x), Hebden, Mark L (3x), Shirov, Alexei (3x), Diez del Corral, Jesus (2x)
8…f6 — 5.7% (26 parties)
Ambassadeurs : Farre Mallofre, Miguel (1x), Lotfy, Abdel Rahman (1x), Hecht, Hans-Joachim (1x), Hodakowsky, Georg (1x), Bednarski, Jacek (1x), Iskov, Gert (1x), Rocha, Wellington Carlos (1x), Van Riemsdijk, Herman C. (1x)
8…Bd6 — 1.5% (7 parties)
Ambassadeurs : Smejkal, Jan (1x), Blatny, Frantisek (1x), Kassis, Antoine (1x), Binks, Michael (1x), Jackson, Adrian (1x), Moore, John C (1x), Srinivasan Sethuraman (1x), Matta, Vinay Kumar (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…O-O 8…c5 8…f6 8…Bd6
1800-2200 101 43% 45% 7% 4%
2200-2600 258 55% 39% 5% 1%
2600+ 5 20% 80% — —
Évolution par décennie (% des parties)
Décennie N parties 8…O-O 8…c5 8…f6 8…Bd6
1950s 9 56% 33% 11% —
1960s 17 35% 53% 6% 6%
1970s 16 31% 62% 6% —
1980s 19 37% 58% — —
1990s 174 48% 45% 6% 1%
2000s 135 49% 40% 7% 3%
2010s 74 65% 30% 4% —
2020s 14 36% 64% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…O-O 65% 36% ▼ -29.2%
8…c5 30% 64% ▲ +34.6%
8…f6 4% 0% ▼ -4.1%
8…Bd6 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 2 parties
Parties historiques
8…O-O — 49.3% (226 parties)
1955 — Bely, Miklos vs Dittmann, Sieghart — 0-1 — Erfurt GER
1955 — Bely, Matthieu vs Dittmann, Sieghart — 0-1 — Erfurt GER
1957 — Durão, Joaquim Manuel vs Catozzi, Henry — 1-0 — Dublin IRL
1957 — Durao O vs Catozzi, Mauro — 1-0 — Dublin zt
1958 — Pedersen, Eigil vs Reissman, Paul — 0-1 — Munich GER
8…c5 — 42.8% (196 parties)
1955 — Smederevac, Petar vs Gligorić, Svetozar — 0-1 — Novi Sad SRB
1957 — Schmid, Leo vs Pachman, Ludek — 1/2-1/2 — Dublin IRL
1959 — Sarapu, Ortvin vs Weber Otto — 1/2-1/2 — Sydney AUS
1960 — Durão, Joaquim Manuel vs Neikirkh, Oleg — 0-1 — Madrid ESP
1961 — Krebs, Hans vs Huebener, Joachim U G — 1/2-1/2 — cr.
8…f6 — 5.7% (26 parties)
1958 — Farre Mallofre, Miguel vs Lotfy, Abdel Rahman — 1-0 — Munich GER
1965 — Hecht, Hans-Joachim vs Hodakowsky, Georg — 1-0 — Bad Aibling GER
1977 — Bednarski, Jacek vs Iskov, Gert — 1-0 — Bern SUI
1990 — Forgach, Andreas, Dr. vs Kleinschmidt, Felix — 0-1 — Hessen
1990 — Norri, Joose vs Sorri, Kari Juhani — 1-0 — Helsinki FIN
8…Bd6 — 1.5% (7 parties)
1963 — Smejkal, Jan vs Blatny, Frantisek — 1/2-1/2 — Prague CZE
1998 — Kassis, Antoine vs Binks, Michael — 1/2-1/2 — Elista RUS
1999 — Jackson, Adrian vs Moore, John C — 1/2-1/2 — London ENG
2004 — Srinivasan Sethuraman vs Matta, Vinay Kumar — 0-1 — Chennai IND
2004 — Borge, Nikolaj vs Pedersen, Daniel Vesterbaek — 0-1 — Aarhus DEN