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A05b —
1.Nf3 Nf6 2.b3
Eval: [-0.09]
Les coups candidats
2…g6 — 47.4% (8007 parties)
Ambassadeurs : Taimanov, Mark (65x), Owens, Johnny (65x), Tolonen, Leo (53x), Blatny, Pavel (47x), Habibi, Ali (35x), Cakl, Zdenek (35x), Lange, Klaus (23x), Sharan R (23x)
Ambassadeurs : Owens, Johnny (53x), Tolonen, Leo (24x), Taimanov, Mark (23x), Blatny, Pavel (22x), Aalderink, Gerwin (22x), Bendig, Frank (15x), Lazic, Miroljub (12x), Habibi, Ali (11x)
2…d6 — 9.4% (1593 parties)
Ambassadeurs : Habibi, Ali (12x), Franzen, Jozef (12x), Blatny, Pavel (8x), Tolonen, Leo (8x), Taimanov, Mark (7x), Ackermann, Hans Werner (6x), Bronstein, David I (5x), Unzicker, Wolfgang (5x)
2…e6 — 7.1% (1202 parties)
Ambassadeurs : Tolonen, Leo (14x), Habibi, Ali (5x), Wuttig, Michael (5x), Schirmeister, Ralf (5x), Angyalosi, Daniel (5x), Tartakower, Savielly (3x), Ravagnati, Walter (3x), Santacruz, Francisco (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2…g6 2…d5 2…d6 2…e6
<1800 704 49% 24% 8% 8%
1800-2200 6608 46% 25% 10% 8%
2200-2600 6145 48% 24% 9% 6%
2600+ 173 47% 23% 5% 3%
Évolution par décennie (% des parties)
Décennie N parties 2…g6 2…d5 2…d6 2…e6
1920s 47 38% 26% 9% 9%
1930s 88 45% 32% 3% 6%
1940s 73 51% 29% 10% 3%
1950s 187 57% 18% 14% 3%
1960s 152 61% 18% 13% 3%
1970s 522 48% 23% 12% 4%
1980s 842 49% 22% 10% 6%
1990s 2907 52% 20% 11% 6%
2000s 4142 47% 25% 10% 8%
2010s 5600 45% 24% 10% 8%
2020s 2335 45% 28% 5% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2…g6 45% 45% +0.0%
2…d5 24% 28% ▲ +4.0%
2…d6 10% 5% ▼ -4.2%
2…e6 8% 7% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 7 parties
Gukesh D — 7 parties
Botvinnik, Mikhail — 4 parties
Kasparov, Garry — 4 parties
Anand, Viswanathan — 3 parties
Ding, Liren — 3 parties
Ju, Wenjun — 3 parties
Alekhine, Alexander — 2 parties
Carlsen, Magnus — 2 parties
Euwe, Max — 1 partie
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
2…g6 — 47.4% (8007 parties)
1923 — Nimzowitsch, Aron vs Alekhine, Alexander — 1/2-1/2 — Carlsbad CZE
1923 — Tereba, R. vs Master Walter Aira — 0-1 — Pardubice CZE
1923 — Saemisch, Friedrich vs Bellod Thomas, Gonzalo — 0-1 — Carlsbad CZE
1923 — Nimzowitsch, Aron vs Teichmann, Richard — 1/2-1/2 — Carlsbad CZE
1923 — Bogoljubow, Efim vs Tarrasch, Siegbert — 0-1 — Maehrisch Ostrau
2…d5 — 24.0% (4057 parties)
1923 — Nimzowitsch, Aron vs Spielmann, Rudolf — 1/2-1/2 — Copenhagen DEN
1924 — Cs. Nagy, Gabor vs Gruber, Sebastian — 1-0 — Gyor
1925 — Chodera, Miroslav vs Prokop, Frantisek — 1-0 — Prague CZE
1925 — Nimzowitsch, Aron vs Carlos Torre Repetto — 1/2-1/2 — Baden Baden DEU
1925 — Nimzowitsch, Aron vs De La Torre Huertas, Carlos — 1/2-1/2 — Baden-Baden it, GER
2…d6 — 9.4% (1593 parties)
1926 — Rabinovich, Ilya Mar vs Blumenfeld, Beniamin — 1/2-1/2 — Leningrad RUS
1926 — Kroone, Gerard vs Van Foreest, Arnold — 1-0 — Utrecht NED
1927 — Nimzowitsch, Aron vs Alekhine, Alexander — 1-0 — New York, NY USA
1928 — Tartakower, Savielly vs Duchamp, Marcel — 1/2-1/2 — Paris FRA
1931 — Mueller, Hans vs Wolf, Siegfried — 1-0 — Vienna AUT
2…e6 — 7.1% (1202 parties)
1926 — Tartakower, Savielly vs Pannekoek, Jean-Pierre — 1-0 — Amsterdam NED
1926 — Tartakower, Savielly vs Rubinstein, Akiba — 1/2-1/2 — Dresden GER
1927 — Tartakower, Savielly vs Kleczynski, Pan — 1-0 — Lodz, POL ch
1929 — Engert, Immo vs Ahues, Carl — 0-1 — Berlin GER
1931 — De Witt, Rodolfo vs Palau, Luis — 0-1 — Buenos Aires ARG