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A25f — Closed
1.c4 e5 2.Nc3 Nc6 3.e3 Nf6
Eval: [-0.10]
Les coups candidats
Ambassadeurs : Suba, Mihai (7x), Jung, Reiner (6x), Zhak, Boris (5x), Rodgaard, John (5x), Sodomski, Andrzej (5x), Rakhmanov, Aleksandr (5x), Adamski, Jan (4x), Miles, Anthony J (4x)
4.a3 — 24.1% (367 parties)
Ambassadeurs : Malakhatko, Vadim (20x), Kostanjsek, Zorko (6x), Dgebuadze, Alexandre (5x), Safari Nejad, Reza (5x), Cvek, Robert (5x), Milov, Vadim (4x), Korchnoi, Viktor (3x), Badea, Bela (3x)
4.d4 — 15.7% (239 parties)
Ambassadeurs : Al Kaoury, Mahdi (7x), Drobyshevsky, Vasily Vasilievich (4x), Rakhmanov, Aleksandr (3x), ? (2x), Mottershead, Richard (2x), Biro, Karol (2x), Rodriguez Matas, Enrique (2x), Al Ayash, Rawad (2x)
4.d3 — 5.0% (76 parties)
Ambassadeurs : Timofeev, Artyom (10x), Pinzon, Jairo David (3x), Moehring, Guenther (2x), Westerman, Marco (2x), Becerra, Andres Mauricio (2x), Bilek, Istvan (1x), Borloy, Karoly (1x), Rios Fo., Hilton Carlos da Silva (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Nf3 4.a3 4.d4 4.d3
<1800 73 18% 22% 27% 10%
1800-2200 402 41% 17% 21% 4%
2200-2600 625 45% 34% 6% 4%
2600+ 61 21% 38% 5% 8%
Évolution par décennie (% des parties)
Décennie N parties 4.Nf3 4.a3 4.d4 4.d3
1850s 2 50%
1870s 3 100%
1880s 2 100%
1900s 6 33% 50%
1920s 2 50%
1930s 5 60% 40%
1940s 2 50%
1950s 2 50% 50%
1960s 6 67% 33%
1970s 35 66% 9% 14% 3%
1980s 72 68% 18% 1% 4%
1990s 211 29% 23% 20% 6%
2000s 344 30% 22% 22% 6%
2010s 633 38% 29% 15% 5%
2020s 195 45% 22% 9% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Nf3 38% 45% ▲ +6.7%
4.a3 29% 22% ▼ -6.5%
4.d4 15% 9% ▼ -5.3%
4.d3 5% 4% ▼ -1.5%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 4 parties
Kasparov, Garry — 3 parties
Steinitz, Wilhelm — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie
Parties historiques
4.Nf3 — 38.3% (582 parties)
1873 — Steinitz, Wilhelm vs Adolf, Feraydo — 1-0 — Vienna AUT
1875 — Owen, John vs Burn, Amos — 0-1 — Liverpool
1877 — Paulsen, Louis vs Englisch, Berthold — 1-0 — Leipzig GER
1880 — Zukertort, Johannes vs Rosenthal, Samuel — 1-0 — London ENG
1883 — McKenzie, George vs Rosenthal, Samuel — 1/2-1/2 — London ENG
4.a3 — 24.1% (367 parties)
1962 — Veizaj, Mendim vs Navabi, Abdolhossein — 1-0 — Varna BUL
1966 — Overweg, Danny vs Timman, Jan H — 1-0 — Delft ch-NED jr
1975 — Lebredo Zaragoitia, Gerardo vs Diaz, Joaquin, Dr. — 1/2-1/2 — Cienfuegos City CUB
1975 — Andersen, Borge vs Iskov, Gert — 0-1 — Copenhagen DEN
1976 — Castro Celorio, Ashley Krisstel vs Wozney, Tom — 0-1 — Cleveland-Miami Phn
4.d4 — 15.7% (239 parties)
1854 — Brien, Robert vs Janssens, Franciscus G — 1/2-1/2 — London ENG
1904 — Swiderski, Radoslaw vs Suechting, Hugo — 0-1 — Coburg
1905 — Von Bardeleben, C. vs Suchting, H. — 1-0 — Barmen GER
1908 — Fluss, G. vs ? — 1-0 — Budapest HUN
1932 — Elstner, Rudolf vs Koch, Berthold — 0-1 — Berlin GER
4.d3 — 5.0% (76 parties)
1958 — Bilek, Istvan vs Borloy, Karoly — 1-0 — Budapest HUN
1979 — Moehring, Guenther vs Zaitsev, Igor A — 0-1 — Sochi RUS
1984 — Moskalenko, Viktor vs Vainerman, Igor — 1/2-1/2 — Kharkov UKR
1987 — Rios Fo., Hilton Carlos da Silva vs Rosa, Carlos Roberto de Jesus — 1/2-1/2 — Rio de Janeiro BRA
1987 — Moehring, Guenther vs Strzelecki, Krzysztof — 1/2-1/2 — Olomouc CZE