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A29k — Four Knights
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5
Eval: [+0.11]
Les coups candidats
Ambassadeurs : Zielinski, Sergej (173x), Belchev, Branimir Petrov (75x), Szerlak, Andrzej (65x), Morley, Paul (52x), Coyne, David W. (50x), Uhlmann, Wolfgang (45x), Beck, Georges (41x), Nývlt, Zdenek (40x)
6.d3 — 6.5% (646 parties)
Ambassadeurs : Romanishin, Oleg M (7x), Kratochvíl, Jan (5x), Mironchik, Alexandr Fedorovich (5x), Huene, Anne (4x), von Rosenberg, Clemens (4x), Wesolowski, Edgar (4x), Van Riemsdijk, Herman C. (3x), Pribyl, Josef (3x)
6.Nxd5 — 0.5% (54 parties)
Ambassadeurs : Llaneza Vega, Victor (2x), Otene, Edith (2x), Carls, Carl (1x), Flamberg, Alexander (1x), Tonoli, Walter (1x), Arnason, Jon L (1x), Szymczak, Zbigniew (1x), Kozlov, Vladimir N (1x)
6.Qb3 — 0.2% (20 parties)
Ambassadeurs : Kothe Satyanarayan (1x), Hobusch, Werner (1x), Noeckler, Alexander (1x), Hoffmann, Michael (1x), Ferreira, Joao Manuel Guerreiro (1x), Gall Robby (1x), Horak, Miroslav (1x), Bazant, Pavel (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Bg2 6.d3 6.Nxd5 6.Qb3
<1800 301 87% 9% 2% 2%
1800-2200 3078 90% 8% 1% 0%
2200-2600 4260 95% 5% 0% 0%
2600+ 395 99% 1%
Évolution par décennie (% des parties)
Décennie N parties 6.Bg2 6.d3 6.Nxd5 6.Qb3
1900s 1 100%
1910s 2 50% 50%
1920s 3 67% 33%
1930s 21 67% 33%
1940s 20 25% 65%
1950s 21 67% 33%
1960s 57 74% 26%
1970s 136 74% 22% 1% 1%
1980s 444 88% 11%
1990s 1229 91% 7% 1% 0%
2000s 2300 91% 7% 1% 0%
2010s 4244 94% 5% 0% 0%
2020s 1396 96% 4% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Bg2 94% 96% ▲ +2.1%
6.d3 5% 4% ▼ -1.5%
6.Nxd5 0% 0% -0.1%
6.Qb3 0% 0% -0.1%
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 — 4 parties
Karpov, Anatoly — 3 parties
Anand, Viswanathan — 3 parties
Smyslov, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Alekhine, Alexander — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie
Parties historiques
6.Bg2 — 92.1% (9098 parties)
1907 — Bernstein, Olivia vs Metger, Johannes — 1-0 — Ostende II
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
6.d3 — 6.5% (646 parties)
1926 — Ostrovsky, Pavel vs Ravinsky, Grigory — 1-0 — Leningrad RUS
1935 — Vaitonis vs Pleci — 0-1 — Warsaw POL
1935 — Vaitonis, Povilas vs Szabo, Laszlo — 1-0 — Warsaw POL
1936 — Pogorielly vs Roedl, Ludwig — 0-1 — Muenchen
1936 — Pogorielly vs Rodl, Martin — 0-1 — Munich GER
6.Nxd5 — 0.5% (54 parties)
1914 — Carls, Carl vs Flamberg, Alexander — 1/2-1/2 — Mannheim GER
1975 — Szymczak, Zbigniew vs Kozlov, Vladimir N — 1/2-1/2 — Lublin POL
1977 — Tonoli, Walter vs Arnason, Jon L — 1-0 — Groningen NED
1991 — Llaneza Vega, Victor vs Alonso Fernandez, Marcos — 1/2-1/2 — ?
1991 — Llaneza Vega, Victor vs Sanchez Repullo, Daniel — 0-1 — ?
6.Qb3 — 0.2% (20 parties)
1973 — Kothe Satyanarayan vs Hobusch, Werner — 0-1 — corr DDR
1991 — Eff, Werner vs Mueller, Dieter — 0-1 — VLNBaden 9192
1994 — Noeckler, Alexander vs Hoffmann, Michael — 1-0 — Erlangen
1998 — Ferreira, Joao Manuel Guerreiro vs Gall Robby — 0-1 — ?
1998 — Horak, Miroslav vs Bazant, Pavel — 1-0 — Svetla nad Sazavou