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D20i — QGA:
1.d4 d5 2.c4 dxc4 3.Nc3 e5
Eval: [+0.24]
Les coups candidats
4.d5 — 38.0% (428 parties)
Ambassadeurs : Flegel Gerhard (3x), Bogut, Zeljko (3x), Wichmann, Cliff (3x), Volkov, Petr (3x), Tutenel, Erik (3x), Jordao Barbosa, Marcio Ferre (3x), Tartakower, Savielly (2x), Füster, Géza (2x)
4.e3 — 31.0% (349 parties)
Ambassadeurs : Domingo Gadea, Jordi (4x), Schmitz, Manuela (3x), Schalkwijk, Peter H (3x), Manrique Ochoa, Fernando (3x), Reede, Arvo (3x), Marshall Viele, Fabrizio Aaron (2x), Janowski, Dawid (2x), Aloni, Itzchak (2x)
4.Nf3 — 14.5% (163 parties)
Ambassadeurs : Hook, William (2x), Petrigacova, Daniela (2x), Chuprina, Evgeniya (2x), Chaschin, Nikolai (2x), Sulis, Giovanni (2x), Vamos J (1x), Najdorf, Miguel (1x), Samelius, C. (1x)
4.dxe5 — 13.7% (154 parties)
Ambassadeurs : Horrocks, Jack (2x), Illes, Sandor-Ferenc (2x), Bass Stanley (2x), Lamelas Suarez, Francisco David (2x), Ciesla, Daniel (2x), Lucena Cifre, Rafael Jose (2x), Lucena Cifré, Rafael José (2x), Hoffmann, Hendrik (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.d5 4.e3 4.Nf3 4.dxe5
<1800 67 37% 27% 13% 18%
1800-2200 482 43% 28% 12% 14%
2200-2600 127 39% 44% 6% 9%
2600+ 3 67% 33%
Évolution par décennie (% des parties)
Décennie N parties 4.d5 4.e3 4.Nf3 4.dxe5
1840s 1 100%
1850s 1 100%
1880s 1 100%
1890s 1 100%
1900s 2 50% 50%
1910s 1 100%
1920s 2 100%
1930s 5 60% 20% 20%
1940s 9 56% 22% 22%
1950s 12 50% 42% 8%
1960s 19 32% 16% 16% 37%
1970s 13 46% 8% 15% 31%
1980s 50 24% 52% 16% 6%
1990s 252 38% 28% 20% 11%
2000s 422 36% 29% 17% 15%
2010s 304 42% 34% 8% 14%
2020s 32 47% 34% 6% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.d5 42% 47% ▲ +5.1%
4.e3 34% 34% ▲ +0.8%
4.Nf3 8% 6% ▼ -2.0%
4.dxe5 14% 12% ▼ -1.6%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 1 partie
Tal, Mikhail — 1 partie
Parties historiques
4.d5 — 38.0% (428 parties)
1851 — Perigal, G. vs Anderssen, Adolf — 0-1 — London ENG
1897 — Wilson Barria, Felipe vs Tombleson Ernest — 1-0 — Warrnambool
1917 — Winter, John vs Lasker, Edward — 0-1 — Lexington, KY USA
1935 — Hahn, Eduard vs ? — 1-0 — Konstantinsbad
1935 — Golmayo Torriente, Manuel vs Alekhine, Alexander — 0-1 — Madrid ESP
4.e3 — 31.0% (349 parties)
1844 — Williams, Elijah J vs Brown, Joseph — 1-0 — Bristol ENG
1904 — Marshall Viele, Fabrizio Aaron vs Napier, William — 1/2-1/2 — Cambridge
1924 — Marshall, Frank vs Janowski, Dawid — 1-0 — New York, NY USA
1924 — Marshall Viele, Fabrizio Aaron vs Janowski, Dawid — 1-0 — New York, NY USA
1936 — Davey, Stanley Clifford vs Ritson-Morry, William — 1-0 — Bournemouth
4.Nf3 — 14.5% (163 parties)
1940 — Samelius, C. vs Kmoch, Hans — 1-0 — Rotterdam NED
1947 — Vamos J vs Najdorf, Miguel — 0-1 — San Pablo
1959 — Weber, Bernd, Dr. vs Klechniowski, Andrzej — 1-0 — Warsaw POL
1967 — Trikaliotis, Georgios vs Hennings, Artur — 0-1 — Sofia BUL
1967 — Hook, William vs Davila, Edmundo — 1-0 — Santo Domingo
4.dxe5 — 13.7% (154 parties)
1882 — Englisch, Berthold vs Fleissig, Bernhard — 1-0 — Vienna Vienna AUT
1905 — Rosenkrantz, Karl W vs Blumenfeld, Beniamin — 0-1 — St Petersburg RUS
1938 — A N Other vs Francis Percival Wenman — 0-1 — Bristol, England
1960 — Gurgenidze, Bukhuti vs Suetin, Alexey S — 0-1 — Rostov on Don
1964 — Larsen, Einer Henry vs Horrocks, Jack — 0-1 — Bad Kuehlungsborn