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A47a —
1.d4 Nf6 2.Nf3 b6
Eval: [+0.23]
Les coups candidats
Ambassadeurs : Alekhine, Alexander (22x), Tartakower, Savielly (17x), Guimard, Carlos E (12x), Gruenfeld, Ernst (10x), Najdorf, Miguel (9x), Eliskases, Erich (8x), Golombek, Harry (8x), Cafferty, Bernard (8x)
3.c4 — 25.8% (3126 parties)
Ambassadeurs : Saemisch, Friedrich (14x), Alekhine, Alexander (14x), Miles, Anthony J (11x), Tartakower, Savielly (9x), Najdorf, Miguel (9x), Guimard, Carlos E (9x), Fairhurst, William (9x), Crouch, Colin S (9x)
Ambassadeurs : Eliskases, Erich (14x), Koltanowski, George (12x), Guimard, Carlos E (11x), Colle, Edgar (10x), Golombek, Harry (9x), Luckis, Marcos (8x), Alekhine, Alexander (6x), Franklin, Michael J (6x)
Ambassadeurs : Romih, Max (9x), Kovacevic, Slobodan (8x), Olejarczyk, Bogdan (7x), Vager, Boris (6x), Abata Molina, Santiago Andres (5x), Lenz, Juergen (5x), Czebe, Attila (5x), Krstulovic, Alex (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.g3 3.c4 3.e3 3.Bf4
<1800 348 23% 22% 22% 18%
1800-2200 4104 29% 25% 15% 16%
2200-2600 4307 29% 27% 12% 14%
2600+ 114 27% 29% 4% 14%
Évolution par décennie (% des parties)
Décennie N parties 3.g3 3.c4 3.e3 3.Bf4
1870s 1 100%
1880s 1 100%
1890s 1 100%
1910s 11 36% 27% 18%
1920s 189 40% 34% 8% 6%
1930s 453 44% 28% 18% 3%
1940s 283 45% 22% 19% 4%
1950s 272 40% 20% 21% 6%
1960s 232 31% 28% 9% 8%
1970s 302 34% 25% 9% 12%
1980s 807 23% 34% 11% 12%
1990s 1873 26% 25% 12% 15%
2000s 2962 27% 28% 15% 12%
2010s 3647 29% 24% 16% 17%
2020s 1086 33% 21% 13% 20%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.g3 29% 33% ▲ +4.0%
3.c4 24% 21% ▼ -2.7%
3.e3 16% 13% ▼ -3.5%
3.Bf4 17% 20% ▲ +2.4%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 10 parties
Smyslov, Vladimir — 10 parties
Botvinnik, Mikhail — 10 parties
Hou, Yifan — 9 parties
Euwe, Max — 7 parties
Tal, Mikhail — 3 parties
Kasparov, Garry — 3 parties
Karpov, Aleksandr — 2 parties
Carlsen, Magnus — 2 parties
Kramnik, Vladimir — 2 parties
Lasker, Emanuel — 1 partie
Anand, Viswanathan — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
3.g3 — 29.4% (3564 parties)
1914 — Flamberg, Aleksander Dawidow vs Levitsky, Stepan — 1-0 — St Petersburg RUS
1914 — Flamberg, Alexander vs Levitsky, Stepan — 1-0 — St. Petersburg, Russia
1914 — Gruenfeld, Ernst vs Wolf, Siegfried — 1-0 — Vienna AUT
1915 — Flamberg, Alexander vs Bogoljubow, Efim — 1/2-1/2 — Triberg
1921 — Kostic, Barbara vs Steiner, Endre — 1-0 — Budapest HUN
3.c4 — 25.8% (3126 parties)
1871 — Heinicke, Herbert vs Seitz, Alexander — 1-0 — GER
1889 — Seger, H. vs Mavilis, Lorenzo — 1-0 — Breslau GER
1898 — Schiffers, Emanuel vs Chigorin, Mikhail — 0-1 — Cologne GER
1915 — Nenarokov, Vladimir vs Alekhine, Alexander — 0-1 — Moscow RUS
1917 — Jaffe, Charles vs Janowski, Dawid — 1/2-1/2 — New York, NY USA
3.e3 — 14.5% (1759 parties)
1920 — Pavlov-Pianov, Nikolay vs Grigoriev, Nikolai — 0-1 — Moskou ch-URS
1921 — Teichmann, Richard vs Alekhine, Alexander — 1/2-1/2 — Berlijn m
1921 — Steiner, Endre vs Euwe, Max — 1-0 — Budapest HUN
1921 — Zander, Otto vs Ahues, Carl — 1/2-1/2 — Hamburg GER
1921 — Kostic, Boris vs Alekhine, Alexander — 1/2-1/2 — Budapest HUN
3.Bf4 — 14.0% (1694 parties)
1917 — Jaffe, Charles vs Janowski, Dawid — 0-1 — New York, NY USA
1917 — Jaffe, Charles vs Janowski, Dawid — 0-1 — New York, NY USA
1925 — De La Torre Huertas, Carlos vs Przepiorka, Dawid — 1-0 — Marienbad CZE
1925 — Kmoch, Hans vs Gruenfeld, Ernst — 1-0 — Debrecen HUN
1925 — Torre, Eugenio vs Spielmann, Rudolf — 1/2-1/2 — Moscow RUS