B53q - 3…cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.c4 Nf6 8.Nc3 g6 - Sicilian, Chekhover (1948)

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B53q — Sicilian, Chekhover (1948)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.c4 Nf6 8.Nc3 g6
Les coups candidats
9.O-O — 83.1% (911 parties)
Ambassadeurs : Rodríguez Pérez, René (21x), Hlavac, Rudolf (20x), Rodriguez, Raul (17x), Pereira, Silvio Cunha (10x), Rodriguez Perez, Rene (8x), Veingold, Aleksandr (6x), Rozentalis, Eduardas (6x), Bering, Anders (5x)
9.Bg5 — 6.6% (72 parties)
Ambassadeurs : Zahorbensky, Jaroslav (2x), Kejzar, Petra (2x), Carev, P (1x), Bulat, Ante (1x), Falconer, Neil E (1x), Haines, William C (1x), Aditya Balu Jadhav (1x), Fischer, Robert J (1x)
9.Be3 — 3.5% (38 parties)
Ambassadeurs : Gergacz, Attila (3x), Takacs, Laszlo (2x), Krudde, Fitzgerald (1x), Sildmets, Anton (1x), Schweber, Samuel (1x), Sanguinetti, Raul (1x), Gutzmann, Tobias (1x), Windisch, Karsten (1x)
9.Qd3 — 2.2% (24 parties)
Ambassadeurs : Strzemiecki, Zbigniew (2x), Hasangatin, Ramil (2x), Bachmann, Friedrich (1x), Tobor, Mick (1x), Zarnicki, Pablo (1x), Adla, Diego (1x), Rodrigues, Monica Nogueira (1x), Figueiredo, Francisco Marques (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 66 71% 9% 3% 2%
1800-2200 462 82% 8% 4% 2%
2200-2600 382 88% 4% 3% 3%
2600+ 11 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 9.O-O 9.Bg5 9.Be3 9.Qd3
1950s 13 85% 8% — —
1960s 18 72% 17% 6% —
1970s 40 68% 18% 2% —
1980s 54 93% 2% — 4%
1990s 242 86% 7% 2% 2%
2000s 281 82% 7% 4% 2%
2010s 358 82% 6% 6% 2%
2020s 90 88% 2% 2% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.O-O 82% 88% ▲ +6.2%
9.Bg5 6% 2% ▼ -4.2%
9.Be3 6% 2% ▼ -3.4%
9.Qd3 2% 3% ▲ +1.1%
Parties historiques
9.O-O — 83.1% (911 parties)
1951 — Dantas, Neimar de Oliveira vs Pinzon Solis, Felipe — 1/2-1/2 — Mar del Plata ARG
1952 — Puig, Adria vs Bueno, Adriano Jose Ferreira — 1-0 — cr.
1953 — Bialas, Wolfram vs ? — 1-0 — Gelsenkirchen GER
1955 — De Greif, Boris vs Bauza, Lorenzo — 0-1 — Mar del Plata ARG
1955 — Perez Perez, Francisco Jose vs Pilnik, Herman — 0-1 — Beverwijk NED
9.Bg5 — 6.6% (72 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 — Aditya Balu Jadhav 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 — 3.5% (38 parties)
1969 — Krudde, Fitzgerald vs Sildmets, Anton — 1-0 — Lincoln
1971 — Schweber, Samuel vs Sanguinetti, Raul — 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
1997 — Szucs, Csaba vs Monus, Zoltan — 0-1 — HUN
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 ch H10
1996 — Rodrigues, Monica Nogueira vs Figueiredo, Francisco Marques — 0-1 — Brazil