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B28f — O’Kelly
1.e4 c5 2.Nf3 a6 3.c4
Eval: [+0.36]
Les coups candidats
3…Nc6 — 38.2% (2214 parties)
Ambassadeurs : Manak, Jozef (11x), Vasilevich, Tatjana (11x), Zalys, Ignas (10x), Kristovic, Marijan (9x), Ushenina, Anna (9x), Khamrakulov, Ibragim S. (8x), Ruiz Aguilar, Pablo Alexander (8x), Kratochvíl, Václav (8x)
Ambassadeurs : Csom, Istvan (26x), Cordova, Emilio (16x), Cramling, Pia (11x), Eingorn, Vereslav S (10x), Meshcheriakova, Evgenia (10x), Zuluaga Mancilla, Cesar (10x), Erenska-Barlo, Hanna (9x), Joksic, Sinisa (9x)
3…d6 — 21.2% (1231 parties)
Ambassadeurs : Franklin, Michael J (17x), Borda, Lajos (17x), Ardeleanu, Alin (16x), Tu, Hoang Thai (12x), Rasik, Vitezslav (12x), Motuz, Karol (8x), Jarzebowski, Kacper (8x), Grabitz, Georg, Dr. (7x)
3…g6 — 3.5% (205 parties)
Ambassadeurs : Ivanets, Vladimir (3x), Gerhardt, Peter-Michael (3x), Smirnov, Aleksander (3x), Blackstone, John (2x), Steger, Josef (2x), Martinez, Carlos Alejandro (2x), Rocha, Sergio (2x), Fernandez Losada, Daniel (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Nc6 3…e6 3…d6 3…g6
<1800 147 44% 31% 19% 3%
1800-2200 2542 41% 31% 21% 4%
2200-2600 2223 32% 40% 23% 2%
2600+ 25 52% 40% 8%
Évolution par décennie (% des parties)
Décennie N parties 3…Nc6 3…e6 3…d6 3…g6
1920s 1 100%
1940s 10 70% 20% 10%
1950s 59 80% 15% 3%
1960s 87 46% 33% 9% 7%
1970s 120 45% 31% 19% 2%
1980s 166 33% 42% 22% 4%
1990s 758 32% 37% 23% 5%
2000s 1625 34% 33% 27% 3%
2010s 2075 35% 38% 22% 3%
2020s 898 56% 27% 11% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Nc6 35% 56% ▲ +21.3%
3…e6 38% 27% ▼ -11.0%
3…d6 22% 11% ▼ -11.0%
3…g6 3% 3% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 9 parties
Euwe, Max — 3 parties
Carlsen, Magnus — 2 parties
Karpov, Anatoly — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
3…Nc6 — 38.2% (2214 parties)
1945 — Haberditz, Hans vs Rautenberg, Wilhelm — 1-0 — Vienna AUT
1948 — Pilnik, Herman vs Euwe, Max — 1/2-1/2 — New York, NY USA
1949 — BorochowMartinGordon, HWeis vs Euwe, MBisno — 0-1 — Los Angeles, CA USA
1949 — Walther, Edgar vs Rossolimo, Nicolas — 0-1 — ?
1949 — Fuentes Garcia, Juan Manuel vs O'Kelly de Galway, Alberic — 0-1 — Gijon
3…e6 — 34.4% (1993 parties)
1922 — Euwe, Max vs Tartakower, Savielly — 0-1 — London ENG
1947 — Taimanov, Mark vs Kuzminykh, Evgeny — 1-0 — Leningrad RUS
1948 — Acebey Michel, Veroska vs O'Kelly de Galway, Alberic — 1/2-1/2 — Buenos Aires ARG
1951 — Levin, Eugene vs Prins, Lodewijk — 1-0 — Hollywood, CA
1952 — Leiva, JC. vs Garibaldi, Oscar — 1/2-1/2 — Buenos Aires ARG
3…d6 — 21.2% (1231 parties)
1947 — Radojcic, Miroslav vs Tot, Bora — 0-1 — Ljubljana
1952 — Aitken, James vs Leslie, Donald Daniel — 1-0 — Chester
1956 — Prins, Laura vs Robatsch, Karl — 0-1 — Moscow RUS
1963 — Jakobsen, Ole vs Korning, Peter — 0-1 — Odense DEN
1963 — Estrin, Yakov vs Shatskes, Boris A — 0-1 — Moscow RUS
3…g6 — 3.5% (205 parties)
1964 — Falconer, Neil E vs Blackstone, John — 1-0 — San Francisco, Ca
1964 — Jansson, Bengt vs Acevedo Ortega, Rodrigo Andres — 0-1 — Tel Aviv olm fin-B
1966 — Kapralos, Dimitrios vs Minaya Molano, Juan — 0-1 — Havana CUB
1966 — Lieb, Harald vs Steger, Josef — 1/2-1/2 — Zurich SUI
1967 — Blackstone, John vs Kerr, Rowland — 1/2-1/2 — Santa Monica, CA USA