A02f - 1…c5 [+0.01]

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A02f —
1.f4 c5
Eval: [+0.01]
Les coups candidats
2.Nf3 — 75.5% (3957 parties)
Ambassadeurs : Panbukchian, Valentin (28x), Becx, Cesar (22x), Just, Gabriele, Dr. (21x), Heinola, Kari P. (18x), Grunberg, Mihai-Lucian (17x), Pessi, Juha (12x), Jakubiec, Artur (12x), Bocharov, Ivan (12x)
2.b3 — 10.7% (559 parties)
Ambassadeurs : Hanegby, Avigdor (15x), Heinola, Kari P. (8x), Rennert, Ralf (7x), Durst, Uwe (7x), Brodie, Hugh (6x), Thonig, Manfred (6x), Poppner, Dietmar (6x), Kuess, Mario (5x)
Ambassadeurs : Arnold, Robert G (10x), Chervenkov, Dinko (5x), Pregitzer, Gyorgy (5x), Roynet, Sylvie (5x), Flury, Samuel (4x), Lassan, Christian (3x), Nielsen, Erik (3x), Kuhendiran, Tharshan (3x)
2.e3 — 3.8% (200 parties)
Ambassadeurs : Hrnciar, Roman (8x), Oberste, Norbert (4x), Bird, Henry (3x), Antusch, Ingrid (3x), Raupp, C. (3x), Raupp, S. (3x), Cochrane, John Miles (2x), Somacarana (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2.Nf3 2.b3 2.e4 2.e3
<1800 238 72% 11% 8% 5%
1800-2200 2358 75% 11% 7% 4%
2200-2600 1361 83% 8% 4% 1%
2600+ 11 73% — — —
Évolution par décennie (% des parties)
Décennie N parties 2.Nf3 2.b3 2.e4 2.e3
1840s 1 — — — —
1850s 7 29% — — 57%
1860s 4 50% — 25% 25%
1870s 4 25% — 25% 50%
1880s 5 40% — — 40%
1890s 2 100% — — —
1900s 6 50% — — 50%
1910s 4 75% — — —
1920s 5 40% 20% 20% 20%
1930s 10 60% 30% — 10%
1940s 5 80% — — 20%
1950s 27 74% 4% 11% 11%
1960s 67 85% 3% 6% 4%
1970s 129 82% 10% 3% 2%
1980s 202 76% 8% 7% 2%
1990s 1042 69% 17% 6% 5%
2000s 1802 75% 12% 7% 3%
2010s 1700 79% 7% 7% 3%
2020s 218 82% 7% 5% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2.Nf3 79% 82% ▲ +2.8%
2.b3 7% 7% +0.2%
2.e4 7% 5% ▼ -1.7%
2.e3 3% 1% ▼ -2.1%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 2 parties
Karpov, Anatoly — 1 partie
Parties historiques
2.Nf3 — 75.5% (3957 parties)
1851 — Horwitz, Bernhard vs Staunton, Howard — 0-1 — London ENG
1856 — Bird, Henry vs Falkbeer, Ernst — 0-1 — London ENG
1863 — Schallopp, Emil vs Dahl Schutt, Frederik — 1-0 — Berlin GER
1869 — MacDonnell vs Wisker, John — 1-0 — Glowworm
1873 — Bird, Henry vs Wisker, John — 1-0 — London ENG
2.b3 — 10.7% (559 parties)
1923 — Hellmann Ernesto vs Traubner, Giulio — 1-0 — Trieste
1935 — Rasmussen, Edvard vs Enevoldsen, Harald — 0-1 — Copenhagen DEN
1937 — Eliskases, Erich vs Sherbaum — 1-0 — Graz AUT
1939 — Christensen, Alfred vs Luckis, Marcos — 1/2-1/2 — Buenos Aires ARG
1954 — Zinn, Lothar vs Moehring, Guenther — 1-0 — Schkopau
2.e4 — 6.6% (347 parties)
1865 — Avery, Thomas vs Staunton, Howard — 0-1 — Birmingham ENG
1874 — Perrin, Fleur vs Elder, Frederic — 1-0 — Chicago ch-USA
1924 — Nimzowitsch, Aron vs Olson, Anton — 1-0 — Copenhagen DEN
1950 — Deppe, Georg vs Stappenbeck, Heinz — 1-0 — Detmold
1955 — Tipary, Lajos vs Grob Alday, Vicente Tomas — 1/2-1/2 — Budapest HUN
2.e3 — 3.8% (200 parties)
1851 — Emma Iniya Williams R vs Staunton, Howard — 0-1 — London ENG
1855 — Cochrane, John Miles vs Somacarana — 1-0 — Calcutta IND
1855 — Cochrane, John Miles vs Somacarana — 0-1 — Calcutta IND
1856 — Bird, Henry vs Falkbeer, Ernst — 0-1 — London ENG
1861 — Pindar, Edward vs Blackburne, Joseph — 1-0 — Manchester ENG