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A03a —
1.f4 d5
Eval: [-0.30]
Les coups candidats
Ambassadeurs : Arnold, Robert G (278x), Bester, Kazimierz (86x), Renard, Stephane (86x), Roynet, Sylvie (74x), Heinola, Kari P. (73x), Becx, Cesar (72x), Andreassen, Einar (68x), Petro, Jozsef (68x)
Ambassadeurs : Hrnciar, Roman (68x), Brodie, Hugh (61x), Babb, Jeff (38x), Bird, Henry (34x), Bito, Ladislav (25x), Just, Gabriele, Dr. (24x), Tartakower, Savielly (22x), Volf, Rudolf Sen. (16x)
Ambassadeurs : Rennert, Ralf (132x), Hanegby, Avigdor (71x), Dearnley, Andrew (58x), Heinola, Kari P. (34x), Thonig, Manfred (32x), Popp Tony (29x), Polenz, Fredrik (28x), Wuttke, Johannes (27x)
Ambassadeurs : Flint, Martina (26x), Neubauer, Vilem (23x), Buchar, Petr (18x), Komora, Andrej (15x), Saly, Sandor (10x), Starczewska, Dominika (9x), Buecker, Stefan (7x), Raines, David T (7x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2.Nf3 2.e3 2.b3 2.g3
<1800 2223 76% 10% 7% 2%
1800-2200 14169 77% 9% 8% 3%
2200-2600 5909 84% 4% 7% 3%
2600+ 73 92% 1% 1% 1%
Évolution par décennie (% des parties)
Décennie N parties 2.Nf3 2.e3 2.b3 2.g3
1830s 5 20%
1840s 9 56% 22%
1850s 25 56% 32%
1860s 11 27% 18% 36%
1870s 20 60% 40%
1880s 81 49% 47% 2%
1890s 60 20% 65% 7%
1900s 48 33% 52% 12%
1910s 59 32% 49% 10%
1920s 88 47% 41% 10%
1930s 131 59% 27% 9%
1940s 82 66% 29% 5%
1950s 244 76% 18% 2% 2%
1960s 339 77% 18% 3% 1%
1970s 523 75% 8% 7% 5%
1980s 1072 76% 10% 6% 3%
1990s 6208 66% 9% 17% 3%
2000s 10866 75% 9% 10% 3%
2010s 11251 81% 8% 5% 2%
2020s 1918 87% 5% 4% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2.Nf3 81% 87% ▲ +5.8%
2.e3 8% 5% ▼ -2.9%
2.b3 5% 4% ▼ -1.7%
2.g3 2% 1% ▼ -1.4%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 10 parties
Euwe, Max — 4 parties
Alekhine, Alexander — 3 parties
Kramnik, Vladimir — 3 parties
Hou, Yifan — 3 parties
Steinitz, Wilhelm — 2 parties
Smyslov, Vladimir — 2 parties
Kasparov, Garry — 2 parties
Carlsen, Magnus — 2 parties
Gukesh D — 2 parties
Karpov, Aleksandr — 1 partie
Karpov, Anatoly — 1 partie
Botvinnik, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
2.Nf3 — 75.5% (24929 parties)
1836 — Saint Amant, Pierre C vs Walker, George — 1-0 — London ENG
1841 — Staunton, Howard vs Bristol Sikazwe — 1-0 — Great Britain
1843 — Laigle, FC. vs Kieseritzky, Lionel — 0-1 — Paris FRA
1849 — Loewe, Edward vs Pinedo Simons, Adriana Lucia — 1-0 — London ENG
1849 — Loewe, Edward vs Medley, George — 1-0 — London ENG
2.e3 — 9.2% (3041 parties)
1847 — Wiel, G. vs Kennedy, Hugh A — 0-1 — Brighton ENG
1849 — Williams, Elijah J vs Flower, E — 1-0 — London ENG
1851 — Emma Iniya Williams R vs Loewenthal, Johann — 0-1 — London ENG
1851 — Williams, Elijah J vs Staunton, Howard — 1-0 — London ENG
1851 — Arkebe Kemal Kennedy vs Wyvill, Marmaduke — 1-0 — London ENG
2.b3 — 9.0% (2967 parties)
1862 — Barnes Barnes, Ann Magnolia vs Paulsen, Louis — 0-1 — London ENG
1867 — D'Andre Baron vs Loyd, Samuel — 0-1 — Paris FRA
1867 — D'Andre Baron vs Rousseau, Eugene — 1-0 — Paris FRA
1867 — D'Andre Baron vs Golmayo Zupide, Celso — 0-1 — Paris FRA
1886 — Bird, Henry vs Burn, Allan — 0-1 — London ENG
2.g3 — 2.6% (843 parties)
1950 — Linder, Willy vs Bogoljubow, Efim — 0-1 — Triberg
1954 — Wade, Robert G vs Nievergelt, Erwin — 1/2-1/2 — Belgrade SRB
1954 — Jauregui, Carlos vs Dodero, Emilio — 0-1 — Mar del Plata ARG
1954 — Wade, Robert G vs Barcza, Gedeon — 1/2-1/2 — Belgrade SRB
1964 — Jakobsen, Odinn Orn vs Kinnmark — 0-1 — cr