B26c — Closed
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 Nf6 7.h3
Eval: [-0.24]
Les coups candidats
7…O-O — 54.9% (1766 parties)
Ambassadeurs : Cross, Gregory W (12x), Welz, Peter, Dr. (8x), Letay, Gyula (8x), Sevgi, Volkan (8x), Parkanyi, Attila (7x), Fox, Anthony (7x), Rangel, Daniel (6x), Lim, Kian Hwa (6x)
7…Rb8 — 13.7% (440 parties)
Ambassadeurs : Shahinyan, David (3x), Nutt, Jeff (3x), Sindarov, Javokhir (3x), Deus Filho, Joaquim de (3x), Malich, Burkhard, Dr. (2x), Medvegyne Balogh, Emese (2x), Jones, Richard S. (2x), Gvanceladze, Anna (2x)
7…Bd7 — 10.8% (346 parties)
Ambassadeurs : Coimbra, Margarida (3x), Kuczewski, Marek (2x), Fenske, Nora (2x), Lowie, Michiel (2x), Loos, Stephan (2x), Welz, Peter, Dr. (2x), Lindberg, Douglas (2x), Engert, Immo (1x)
7…e5 — 5.6% (179 parties)
Ambassadeurs : Werk, Manfred (3x), Shumiakina, Tatiana (2x), Larochelle, Martial (2x), Angelini, Marco (2x), Baselmans, Sam (2x), Smederevac, Petar (1x), Van Scheltinga, Theo (1x), Frenzel Hans Juergen (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…Rb8 7…Bd7 7…e5
<1800 179 56% 12% 15% 2%
1800-2200 1653 52% 15% 11% 6%
2200-2600 649 63% 17% 4% 7%
2600+ 6 67% 17% 17%
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…Rb8 7…Bd7 7…e5
1920s 1 100%
1930s 2
1940s 8 50% 12% 38%
1950s 22 73% 9% 9%
1960s 31 68% 13% 6% 6%
1970s 31 55% 6% 16% 10%
1980s 69 41% 14% 20% 9%
1990s 536 55% 12% 13% 5%
2000s 1110 56% 10% 11% 6%
2010s 1236 55% 16% 9% 5%
2020s 168 48% 28% 7% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 55% 48% ▼ -7.6%
7…Rb8 16% 28% ▲ +11.6%
7…Bd7 9% 7% ▼ -2.5%
7…e5 5% 5% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Aleksandr — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
7…O-O — 54.9% (1766 parties)
1923 — Mieses, Jacques vs Fick, William Matthew Jr. — 1-0 — Scheveningen NED
1945 — Liublinsky, Victor vs Fridstein, German — 1-0 — Moscow RUS
1947 — Crown, Gordon vs Broadbent, Reginald — 1-0 — Harrogate
1949 — Kholmov, Ratmir D vs Lubienski, Tadeusz — 1/2-1/2 — Tbilisi GEO
1949 — Kostic, Boris vs Puc, Stojan — 1/2-1/2 — Zagreb CRO
7…Rb8 — 13.7% (440 parties)
1946 — Engert, Immo vs Maicherczyk, Georg — 0-1 — Hamburg GER
1954 — Agustsson, Gudmundur vs Barcza, Gedeon — 0-1 — Amsterdam NED
1959 — Novak, Zbynek vs Staw, Philippe — 1-0 — Budapest HUN
1963 — Van Dam, Serge vs De Bruycker, Bernard — 0-1 — Belgium
1966 — Boutteville, Cesar vs Mazzoni, Guy — 1/2-1/2 — Le Havre
7…Bd7 — 10.8% (346 parties)
1948 — Curdo, John vs Daly, Harlow Bussey — 0-1 — unknown
1949 — Engert, Immo vs Melanschek Rudolf — 1-0 — Bad Salzuflen
1949 — Beretta, Hector vs Reinhardt, Enrique — 1-0 — Buenos Aires ARG
1950 — Christoph, Manfred, Dr. vs Latzel, Gerhard — 1-0 — Detmold
1955 — Sanguinetti, Renato vs Pelikán, Jiří — 1-0 — Buenos Aires ARG
7…e5 — 5.6% (179 parties)
1965 — Smederevac, Petar vs Van Scheltinga, Theo — 1/2-1/2 — Beverwijk NED
1969 — Frenzel Hans Juergen vs Christoph, Manfred, Dr. — 1/2-1/2 — Frankfurt GER
1970 — Suttles, Duncan vs Planinec, Albin — 1-0 — Sombor
1975 — Harper, Bruce vs Taylor, Gordon — 1-0 — Vancouver BC CAN
1976 — Jackson, Sheila vs Mothersill, Anne — 1-0 — Cardiff WLS