B53q - 3…cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.c4 Nf6 8.Nc3 g6 - Chekhover

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B53q — Chekhover
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.c4 Nf6 8.Nc3 g6
Eval: [+0.03]
Les coups candidats
9.O-O — 82.9% (893 parties)
Ambassadeurs : Rodríguez Pérez, René (23x), Hlavac, Rudolf (20x), Rodriguez, Raul (18x), Rodriguez Perez, Rene (9x), Veingold, Aleksandr (6x), Campora, Daniel H. (6x), Heidenfeld, Mark (6x), Rozentalis, Eduardas (6x)
9.Bg5 — 6.6% (71 parties)
Ambassadeurs : Galdunts, Sergey (2x), Zahorbensky, Jaroslav (2x), Kejzar, Petra (2x), Carev, P (1x), Bulat, Ante (1x), Falconer, Neil E (1x), Haines, William C (1x), Blau, Max (1x)
9.Be3 — 3.6% (39 parties)
Ambassadeurs : Gergacz, Attila (4x), Gonzalez, Morales Eduardo Iva (2x), Takacs, Laszlo (2x), Howard, Franklin Sandford (1x), Shipman, Walter (1x), Krudde, Fitzgerald (1x), Sildmets, A. (1x), Schweber, Samuel (1x)
9.Qd3 — 2.2% (24 parties)
Ambassadeurs : Hasangatin, Ramil (2x), Bachmann, Friedrich (1x), Tobor, Mick (1x), Zarnicki, Pablo (1x), Adla, Diego (1x), Rodrigues, Monica Nogueira (1x), Figueiredo, Francisco Marques (1x), Campora, Daniel H. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.O-O 9.Bg5 9.Be3 9.Qd3
<1800 30 70% 13% 7% —
1800-2200 394 81% 8% 4% 3%
2200-2600 382 88% 4% 3% 2%
2600+ 13 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 9.O-O 9.Bg5 9.Be3 9.Qd3
1940s 2 50% — 50% —
1950s 13 85% 8% — —
1960s 18 72% 17% 6% —
1970s 39 67% 18% 3% —
1980s 54 93% 2% — 4%
1990s 242 86% 7% 2% 2%
2000s 281 82% 7% 4% 2%
2010s 356 81% 6% 6% 2%
2020s 72 88% 1% 3% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.O-O 81% 88% ▲ +6.0%
9.Bg5 6% 1% ▼ -5.1%
9.Be3 6% 3% ▼ -2.8%
9.Qd3 2% 4% ▲ +1.9%
Parties historiques
9.O-O — 82.9% (893 parties)
1947 — Dantas, Nelson vs Mangini, Jose Henrique de Mello — 0-1 — Rio de Janeiro BRA
1951 — Camara Dantas, Gabriel Diniz vs Pinzon Solis, Felipe — 1/2-1/2 — Mar del Plata ARG
1952 — Alemany Puig, Lluis vs Aguado Bueno, Hector — 1-0 — cr.
1953 — Bialas, Wolfram vs ? — 1-0 — Gelsenkirchen GER
1955 — De Greiff, B. vs Bauza Fernandez, Lucia Valentina — 0-1 — Mar del Plata ARG
9.Bg5 — 6.6% (71 parties)
1954 — Carev, P vs Bulat, Ante — 0-1 — YUG ch sf
1960 — Falconer, Neil E vs Haines, William C — 1-0 — No. California
1962 — Blau, Max vs Fischer, Robert J — 0-1 — Varna BUL
1967 — Keres, Paul vs Pinkus, Lutz — 1-0 — Montreal CAN
1970 — Kaltenecker, Joseph vs Berry, Jonathan — 0-1 — Nanaimo CAN
9.Be3 — 3.6% (39 parties)
1948 — Howard, Franklin Sandford vs Shipman, Walter — 0-1 — South Fallsburg ch-USA
1969 — Krudde, Fitzgerald vs Sildmets, A. — 1-0 — Lincoln
1971 — Schweber, Samuel vs Sanguineti, Raúl Carlos — 1/2-1/2 — Villa Gesell ARG
1992 — Wallner, Alfred vs Stanke, Juergen — 1/2-1/2 — Zalaegerszeg op
1996 — Groetz, Harald vs Neumeier, Klaus — 0-1 — Austria
9.Qd3 — 2.2% (24 parties)
1986 — Bachmann, Friedrich vs Tobor, Mick — 1-0 — corr BdF
1989 — Zarnicki, Pablo vs Adla, Diego — 1-0 — ch.ARG.x Equipos
1991 — Heidenfeld, Mark vs Hoersch, Heiner — 1-0 — ?
1995 — Holeksa, Zdenek vs Navara, David — 0-1 — Plzen CZE
1996 — Rodrigues, Monica Nogueira vs Figueiredo, Francisco Marques — 0-1 — Brazil