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A29n — Four Knights
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2
Eval: [+0.12]
Les coups candidats
Ambassadeurs : Zielinski, Sergej (154x), Belchev, Branimir Petrov (64x), Szerlak, Andrzej (63x), Morley, Paul (50x), Coyne, David W. (48x), Uhlmann, Wolfgang (39x), Nývlt, Zdenek (34x), Svoboda, Frantisek (33x)
Ambassadeurs : Dueckstein, Andreas (10x), Backe, Peter (6x), Sarosy, Zoltan L (5x), Mont-Reynaud, Jordy (4x), ? (4x), Sedlacek, Jiri (4x), Cohen, David (4x), Liebeskind, Rolf Dieter (4x)
6…Nxc3 — 6.1% (578 parties)
Ambassadeurs : Nekhaev, Andrey Ivanovich (11x), Beck, Georges (10x), Kleinsorgen, Horst (7x), Wolter, Uwe (7x), Gierth, Karlheinz (6x), Bourgoin, Claude (6x), Portych, Václav (5x), Sarosy, Zoltan L (4x)
6…Bc5 — 5.5% (522 parties)
Ambassadeurs : Caruana, Fabiano (11x), García Rodríguez, Ildefonso (11x), Juárez de Vena, Antonio (11x), Noriega De La Sierra, Antonio (10x), Belchev, Branimir Petrov (10x), Osuna Osuna, Francisco (9x), Zielinski, Sergej (9x), Aronian, Levon (7x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Nb6 6…Be6 6…Nxc3 6…Bc5
<1800 271 54% 19% 15% 8%
1800-2200 2897 75% 10% 8% 5%
2200-2600 4213 86% 4% 2% 6%
2600+ 393 74% 1% 2% 22%
Évolution par décennie (% des parties)
Décennie N parties 6…Nb6 6…Be6 6…Nxc3 6…Bc5
1900s 1 100%
1910s 1 100%
1920s 2 100%
1930s 14 36% 21% 36%
1940s 6 67% 33%
1950s 17 47% 24% 24%
1960s 43 49% 26% 9%
1970s 102 56% 25% 10%
1980s 398 79% 13% 3% 0%
1990s 1137 75% 15% 7% 0%
2000s 2166 73% 12% 12% 0%
2010s 4133 85% 5% 4% 3%
2020s 1416 66% 3% 2% 26%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nb6 85% 66% ▼ -19.0%
6…Be6 5% 3% ▼ -2.5%
6…Nxc3 4% 2% ▼ -2.0%
6…Bc5 3% 26% ▲ +23.0%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ding, Liren — 8 parties
Kasparov, Garry — 6 parties
Tal, Mikhail — 3 parties
Anand, Viswanathan — 3 parties
Smyslov, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Karpov, Anatoly — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie
Parties historiques
6…Nb6 — 77.0% (7270 parties)
1907 — Bernstein, Olivia vs Metger, Johannes — 1-0 — Ostende II
1936 — Vaitonis, Povilas vs Zinner, Emil — 1-0 — Munich GER
1937 — Lundin, Erik vs Collett, John — 1-0 — Stockholm SWE
1938 — Zita, Frantisek vs Zinner, Emil — 1-0 — Praag ch CZE
1938 — Kashdan, Isaac vs Horowitz, Albert Israel — 1/2-1/2 — New York m ch-USA
6…Be6 — 8.3% (786 parties)
1917 — Bogoljubow, Efim vs Selezniev, Alexey — 1/2-1/2 — Triberg m
1928 — Carls, Carl vs Cova Krause, Juan Pablo — 1-0 — Hamburg GER
1928 — Capablanca, Jose vs Cuero Reid, Maximo Javier — 0-1 — Imperial CC, London ENG
1933 — Carls, Carl vs Ahues, Carl — 1/2-1/2 — Bremen GER
1933 — Carls, Carl vs Antze, Oskar — 1-0 — Bremen Wettkampfpartie
6…Nxc3 — 6.1% (578 parties)
1936 — Hanauer, Milton Loeb vs Adams, Weaver — 1-0 — New York, NY USA
1936 — Vaitonis, Povilas vs Danchev, Dancho — 1-0 — Munich GER
1936 — Acebey Michel, Veroska vs Enevoldsen, Jens — 0-1 — Glostrup
1937 — Capablanca, Jose vs Dittrich, Frank — 0-1 — Zlin CZE
1939 — Zíta, František vs Tautvaisas, Povilas — 1-0 — Buenos Aires ARG
6…Bc5 — 5.5% (522 parties)
1989 — Knop, G. vs Mair, Emil Bertrand — 0-1 — corr BdF/H
1997 — Leeb, Hans-Peter, Dr. vs Sucher, Johannes — 1-0 — Austria
1998 — Heres, Henri vs Korhonen, Paul — 0-1 — IECG
2001 — Zedtler, Uwe vs Breitenstein, Dieter — 1-0 — ?
2005 — Desboeufs, Claude vs Ruetsch, Johan — 0-1 — ?