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A27a — Three Knights
1.c4 e5 2.Nc3 Nc6 3.Nf3
Eval: [+0.12]
Les coups candidats
Ambassadeurs : Zielinski, Sergej (27x), Uhlmann, Wolfgang (25x), Beck, Georges (21x), Vetter, Udo (20x), Portych, Václav (20x), ? (19x), Fedukin, Alexandre (15x), Grimm, Wolfgang, Dr. (14x)
Ambassadeurs : Pech, Jaroslav Jr (14x), Moody, David W (13x), Cafferty, Bernard (12x), Ikonnikov, Vyacheslav (12x), Vetter, Udo (11x), Uhlmann, Wolfgang (10x), Browne, Walter Shawn (10x), Feistenauer, Fred (10x)
Ambassadeurs : Banas, Jan (13x), Uhlmann, Wolfgang (11x), McNab, Colin A (10x), Lenz, Juergen (10x), Jirka, Jiri (7x), Ragozin, Viacheslav (6x), Alatortsev, Vladimir N. (6x), De Potter, Jurgen (6x)
Ambassadeurs : Ruckschloss, Karol (8x), Banas, Jan (5x), Brodie, Hugh (4x), Villing, Dieter (4x), Pedersen, Svend (4x), Holfelder, Hans-Joachim (4x), Frindt, Kornel (4x), Rovner, Dmitry (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Nf6 3…f5 3…g6 3…d6
<1800 462 49% 19% 10% 9%
1800-2200 4067 40% 26% 19% 8%
2200-2600 4399 42% 27% 23% 5%
2600+ 186 56% 23% 15% 1%
Évolution par décennie (% des parties)
Décennie N parties 3…Nf6 3…f5 3…g6 3…d6
1910s 1 100%
1920s 44 75% 7% 2% 11%
1930s 109 57% 19% 13% 7%
1940s 77 47% 17% 23% 8%
1950s 78 46% 15% 22% 10%
1960s 161 28% 28% 28% 10%
1970s 416 33% 33% 22% 10%
1980s 748 39% 34% 18% 5%
1990s 2729 40% 25% 21% 8%
2000s 3503 45% 21% 19% 8%
2010s 3838 47% 22% 17% 6%
2020s 946 38% 31% 17% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Nf6 47% 38% ▼ -8.5%
3…f5 22% 31% ▲ +8.5%
3…g6 17% 17% -0.3%
3…d6 6% 4% ▼ -1.3%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 10 parties
Carlsen, Magnus — 7 parties
Lasker, Emanuel — 4 parties
Karpov, Anatoly — 4 parties
Euwe, Max — 3 parties
Alekhine, Alexander — 3 parties
Kramnik, Vladimir — 2 parties
Steinitz, Wilhelm — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Kasparov, Garry — 1 partie
Gukesh D — 1 partie
Parties historiques
3…Nf6 — 43.2% (5465 parties)
1921 — Tartakower, Savielly vs Gruenfeld, Ernst — 1/2-1/2 — Vienna m4 Vienna AUT
1924 — Mahon, T. vs Jackson, Edward — 0-1 — New York, NY USA
1925 — Tartakower, Savielly vs Saemisch, Friedrich — 1-0 — Ch World (match) New York (US
1925 — Villegas, Benito vs Romano, Valentin — 1-0 — Montevideo URU
1925 — Steinitz, Wilhelm vs Lasker, Emanuel — 1-0 — Belgie m
3…f5 — 24.0% (3030 parties)
1913 — Staffer, John Homer vs Jaffe, Charles — 0-1 — New York, NY USA
1926 — Ahues, Carl vs Colle, Edgar — 1-0 — Berlin GER
1927 — Babel August vs Pitschak, Rudolf — 1-0 — Magdeburg GER
1928 — Kevitz, Alexander vs Lasker, Emanuel — 1-0 — New York, NY USA
1930 — Carls, Carl vs Soler Bordas, Placido — 1/2-1/2 — Hamburg GER
3…g6 — 18.8% (2380 parties)
1927 — Reti, Richard vs Perez Wertheim, Rodolfo — 1-0 — The Hague NED
1931 — Mazel, Isaak Y vs Riumin, Nikolai — 1/2-1/2 — ?
1932 — Mueller, Hans vs Kmoch, Hans — 1/2-1/2 — Wenen Trebitsch
1933 — Buerger, Victor vs Pitschak, Rudolf — 0-1 — Brno ch
1933 — Wolthuis, Jan Aksel vs Reid, Peter — 1-0 — Hastings ENG
3…d6 — 7.0% (884 parties)
1925 — Rabinovich, Ilya Mar vs Nenarokov, Vladimir — 1-0 — Leningrad ch-URS
1926 — Van Hoorn, Peter vs Loman, Rudolf — 0-1 — Utrecht NED
1926 — Ahues, Carl vs Saemisch, Friedrich — 1/2-1/2 — Berlin GER
1928 — Opocensky, Karel vs Walter, Max — 1-0 — Brno CZE
1928 — Opocensky, Karel vs Walter, Max — 1-0 — ?