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A28a — Four Knights
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6
Eval: [+0.15]
Les coups candidats
Ambassadeurs : Zielinski, Sergej (290x), Belchev, Branimir Petrov (137x), Uhlmann, Wolfgang (132x), Beck, Georges (103x), Morley, Paul (97x), Portych, Václav (95x), Szerlak, Andrzej (88x), Coyne, David W. (72x)
Ambassadeurs : Banas, Jan (51x), Suba, Mihai (39x), Ellis, James R (37x), Moujan, Pablo Miguel (30x), Jørgensen, Brian Jørgen (29x), ? (27x), Esin, Maxim (26x), Lunek, Ferry A (26x)
Ambassadeurs : Fedukin, Alexandre (118x), Bukal, Vladimir Jr. (44x), Rallabandi, Praveen Kumar (36x), Vakhidov, Jakhongir (29x), Schubert, Werner (26x), Vanosmael, Alexis (25x), Rimsans, Andris (24x), Grimm, Wolfgang, Dr. (23x)
Ambassadeurs : Hausner, Ivan (36x), Rumyantsev, Vladimir (27x), Cafferty, Bernard (25x), Claesen, Pieter (22x), Gasthofer, Viktor (20x), Urpilainen, Erkki (19x), Aigmueller, Max Ing (17x), Dimitrov, Radoslav (17x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.g3 4.e3 4.e4 4.d4
<1800 1385 55% 13% 9% 12%
1800-2200 12883 52% 18% 10% 10%
2200-2600 19326 46% 23% 12% 6%
2600+ 1961 53% 17% 10% 3%
Évolution par décennie (% des parties)
Décennie N parties 4.g3 4.e3 4.e4 4.d4
1850s 1 100%
1860s 1 100%
1900s 3 67%
1910s 7 43% 14% 14%
1920s 79 16% 8% 9% 62%
1930s 184 18% 17% 8% 47%
1940s 178 15% 15% 6% 51%
1950s 221 23% 19% 6% 35%
1960s 313 36% 19% 3% 30%
1970s 1518 46% 26% 4% 11%
1980s 2540 47% 27% 5% 10%
1990s 6760 52% 17% 7% 10%
2000s 11070 55% 14% 6% 11%
2010s 16473 52% 21% 9% 8%
2020s 6215 37% 23% 28% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.g3 52% 37% ▼ -14.9%
4.e3 21% 23% ▲ +2.5%
4.e4 9% 28% ▲ +19.1%
4.d4 8% 3% ▼ -5.2%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Alekhine, Alexander — 7 parties
Euwe, Max — 7 parties
Gukesh D — 6 parties
Steinitz, Wilhelm — 3 parties
Lasker, Emanuel — 3 parties
Hou, Yifan — 2 parties
Parties historiques
4.g3 — 49.5% (22536 parties)
1866 — Bird, Henry vs Steinitz, Wilhelm — 0-1 — London ENG
1914 — Carls, Carl vs Flamberg, Alexander — 1/2-1/2 — Mannheim GER
1914 — Rubinstein, Akiba vs Tarrasch, Siegbert — 1/2-1/2 — St Petersburg RUS
1917 — Bogoljubow, Efim vs Selezniev, Alexey — 1/2-1/2 — Triberg m
1920 — Carls, Carl vs John, Walter — 0-1 — Goteborg SWE
4.e3 — 19.4% (8856 parties)
1853 — Sutton, John Dr vs Philipp, W. — 1-0 — cr meestertm
1906 — Swiderski, Rudolf vs Bernstein, Ossip — 1-0 — Ostend
1906 — Swiderski, Radoslaw vs Marshall Viele, Fabrizio Aaron — 1/2-1/2 — Nuerenberg GER
1912 — Rubinstein, Akiba vs Cohn, Erich — 1-0 — Bad Pistyan CZE
1925 — Villegas, Benito vs Romano, Valentin — 1-0 — Montevideo URU
4.e4 — 10.2% (4669 parties)
1926 — Gabarain J vs Alekhine, Alexander — 0-1 — Montevideo URU
1926 — Nimzowitsch, Aron vs Yates, Frederic D — 1-0 — Dresden GER
1926 — List, Paul vs Colle, Edgar — 0-1 — Berlin GER
1926 — Nimzowitsch, Aron vs Saemisch, Friedrich — 1-0 — Dresden GER
1926 — Gunsberg, Isidor vs Steinitz, Wilhelm — 1-0 — Ch World New York (USA) (98.4)
4.d4 — 9.2% (4178 parties)
1913 — Schenkein, Joachim vs Spielmann, Rudolf — 0-1 — Vienna AUT
1922 — Tartakower, Savielly vs Gruenfeld, Ernst — 1/2-1/2 — Vienna AUT
1924 — Rubinstein, Akiba vs Johner, Paul — 1-0 — Berlin GER
1925 — Tartakower, Savielly vs Saemisch, Friedrich — 1-0 — Ch World (match) New York (US
1925 — Steinitz, Wilhelm vs Lasker, Emanuel — 1-0 — Belgie m