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B25g — Closed (1960)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 Nf6
Les coups candidats
Ambassadeurs : Detela, Walter (20x), Valner, Uku (6x), Kuzmin, Vyacheslav Mikhailovich (6x), Karaoglan, Doruk (6x), Sosonko, Gennadi (5x), Laine, Jari (5x), Spassky, Boris V. (4x), De Coverly, Roger D (4x)
7.h3 — 5.8% (175 parties)
Ambassadeurs : Larino Nieto, David (6x), Martín Molinero, Raúl (4x), Kucera, Petr (2x), Barraud, Mickael (2x), Shanava, Konstantine (2x), Cukerman, Diego (2x), Le, Quang Vinh (2x), Nehybka, Jiri (2x)
7.Nge2 — 3.9% (116 parties)
Ambassadeurs : Starostits, Ilmars (8x), Day, Lawrence A. (3x), Hankinson, R. (1x), Schein, S. (1x), Bar Ziv, Izak (1x), Neumann, Avraham (1x), Portisch, Lajos (1x), Anay Barche (1x)
7.Nh3 — 0.6% (19 parties)
Ambassadeurs : Blackstone, John (1x), McCambridge, Vincent (1x), Rosen, Willy (1x), Djuric, Stefan (1x), Veber, Bojan (1x), Podkriznik, Gregor (1x), Carlsson, Daniel (1x), McMichael, Richard J (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Nf3 7.h3 7.Nge2 7.Nh3
<1800 278 90% 5% 4% —
1800-2200 1534 89% 6% 3% 1%
2200-2600 596 88% 6% 5% 1%
2600+ 5 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7.Nf3 7.h3 7.Nge2 7.Nh3
1950s 9 100% — — —
1960s 59 90% 2% 8% —
1970s 72 96% 1% — 1%
1980s 96 88% 4% 7% 1%
1990s 572 89% 4% 4% 2%
2000s 1047 88% 6% 4% 1%
2010s 979 89% 7% 3% 0%
2020s 160 85% 9% 5% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Nf3 89% 85% ▼ -4.0%
7.h3 7% 9% ▲ +1.5%
7.Nge2 3% 5% ▲ +2.1%
7.Nh3 0% 1% ▲ +0.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Kasparov, Garry — 1 partie
Parties historiques
7.Nf3 — 88.8% (2658 parties)
1952 — Karastoichev, Emil vs Filipov, Filip — 1/2-1/2 — Sofia BUL
1953 — Kupferstich, Moises vs Aarflot, Morten — 1-0 — Copenhagen DEN
1953 — Taylor, John vs Berner, George — 0-1 — Winnipeg CAN
1955 — Pinkus, Lutz vs Bisguier, Arthur B — 0-1 — New York, NY USA
1955 — Borsony, Valt vs Milic, Borislav — 1-0 — cr.
7.h3 — 5.8% (175 parties)
1964 — Carballo, F1. vs Cafiero, Michael — 0-1 — Buenos Aires ARG
1979 — Giam, Choo Kwee vs Ab Rahman, Mohd Azli — 1-0 — Singapore SIN
1983 — Zuechner, Bernhard vs Sauer, Rudolf — 1-0 — CIF FT-96-008A
1984 — Nielsen, Poul Erik vs Brondum, Eric — 1/2-1/2 — Denmark
1989 — Ruppert, Wolfgang vs Taschuk, Josiah — 1-0 — GER
7.Nge2 — 3.9% (116 parties)
1961 — Portisch, Lajos vs Anay Barche — 1-0 — Budapest ch-HUN
1961 — Burehall, Arne vs Tal, Mikhail — 0-1 — Stockholm SWE
1966 — Ali Gatee vs Jakobsen, Ole — 1-0 — Oerebro
1967 — Bar Ziv, Izak vs Neumann, Avraham — 1/2-1/2 — Israel
1969 — Hankinson, R. vs Schein, S. — 1-0 — ?
7.Nh3 — 0.6% (19 parties)
1975 — Blackstone, John vs McCambridge, Vincent — 1-0 — West Covina, CA
1983 — Rosen, Willy vs Djuric, Stefan — 0-1 — corr Tch-EU
1991 — Carlsson, Daniel vs McMichael, Richard J — 1/2-1/2 — Hallsberg SWE
1992 — Kalusche, Christiane vs Lippert, Grit — 0-1 — GER
1993 — Kelly, Paul J vs Harrison Agosa — 1/2-1/2 — Isle of Man IOM