A26l - 7.O-O - Closed (1925)

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A26l — Closed (1925)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O
Les coups candidats
Ambassadeurs : Kovacs, Arthur Dr. (15x), Wrba, Klaus (5x), Raicevic, Ivica (5x), Smyslov, Vasily (4x), Van Hoolandt, Patrick (4x), Pikula, Dejan (3x), Rodriguez Vila, Andres (3x), Keene, Raymond D (2x)
7…h6 — 5.4% (56 parties)
Ambassadeurs : Csom, Istvan (1x), Padevsky, Nikola (1x), Duche, Jean (1x), Daumens, Michel (1x), Goderis, Danny (1x), Karadag, Eflatun Cem (1x), Dornieden, Manfred, Dr. (1x), Schlaeger, Uwe, Dr. (1x)
7…Be6 — 1.3% (14 parties)
Ambassadeurs : Appel, Michael (1x), Weiland, Anne (1x), Arya, Sarkhosh Sayar (1x), Mueller, Julian (1x), Steiner, Dietmar (1x), De Las Heras Martin, Antonio (1x), Wessman, Richard (1x), Einarsson, Arnthor (1x)
7…Bg4 — 0.6% (6 parties)
Ambassadeurs : Mate, Laszlo (1x), Lenart, Endre (1x), Ion, Gianina-Andreea (1x), Sarapu, Ortvin (1x), Angyal, Ferenc (1x), Piroska, Istvan (1x), Allgaier, Werner (1x), Karaissaridis, Christos (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…h6 7…Be6 7…Bg4
<1800 71 80% 8% 7% 3%
1800-2200 425 92% 6% 1% 0%
2200-2600 343 94% 5% 0% 1%
2600+ 7 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…h6 7…Be6 7…Bg4
1950s 2 100% — — —
1960s 14 100% — — —
1970s 52 96% 4% — —
1980s 60 98% 2% — —
1990s 279 92% 5% 1% 1%
2000s 310 92% 5% 2% 0%
2010s 281 90% 7% 1% 1%
2020s 44 91% 7% 2% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 90% 91% ▲ +0.9%
7…h6 7% 7% -0.3%
7…Be6 1% 2% ▲ +0.8%
7…Bg4 1% 0% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
7…O-O — 92.1% (960 parties)
1954 — Barden, Leonard vs Clarke, Peter — 1/2-1/2 — Nottingham ch-BCF
1957 — Stoliar, Efim Samoilovich vs Bannik, Anatolij — 1/2-1/2 — Moscow RUS
1961 — Bilo, Heinz vs Mohrenstecher, Juergen — 1-0 — Rheda
1962 — Jancev, Gligor vs Jovic Sherin — 0-1 — Vrnjacka Banja SRB
1964 — Reissenberger, L. vs Marchisotti, E. — 1-0 — corr FS
7…h6 — 5.4% (56 parties)
1977 — Csom, Istvan vs Padevsky, Nikola — 1/2-1/2 — Moskou etc
1979 — Goderis, Danny vs Karadag, Eflatun Cem — 1/2-1/2 — Belfort FRA
1981 — Duche, Jean vs Daumens, Michel — 1-0 — Vitrolles
1995 — Vavruska, David vs Dolezal, Martin — 1-0 — Czechia
1995 — O'Cinneide, Mel vs King, Daniel J — 0-1 — ?
7…Be6 — 1.3% (14 parties)
1992 — Wessman, Richard vs Einarsson, Arnthor — 1-0 — Elit
1998 — Appel, Michael vs Weiland, Anne — 1-0 — Oberhof
1998 — Steiner, Dietmar vs De Las Heras Martin, Antonio — 0-1 — Passau
1999 — Arya, Sarkhosh Sayar vs Mueller, Julian — 0-1 — ?
2000 — Paulss, Uwe vs Kestin, Oliver — 1/2-1/2 — ?
7…Bg4 — 0.6% (6 parties)
1991 — Ion, Gianina-Andreea vs Sarapu, Ortvin — 0-1 — North Shore ch
1992 — Mate, Laszlo vs Lenart, Endre — 1/2-1/2 — HUN
2003 — Angyal, Ferenc vs Piroska, Istvan — 1/2-1/2 — HUN
2010 — Nedelcu, Ionut vs Jurubita, Emil-Gabriel — 1-0 — Voineasa
2011 — Allgaier, Werner vs Karaissaridis, Christos — 0-1 — Sankt Leon-Rot GER