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D31a —
1.d4 d5 2.c4 e6 3.Nc3
Eval: [+0.17]
Les coups candidats
Ambassadeurs : Zielinski, Sergej (183x), ? (176x), Deforel, Jorge Eduardo (151x), Alekhine, Alexander (124x), Marshall, Frank (102x), Lasker, Emanuel (96x), Pillsbury, Harry (94x), Euwe, Max (87x)
Ambassadeurs : Sveshnikov, Evgeny (181x), Korneev, Oleg (153x), Flear, Glenn C (125x), Novikov, Igor (107x), Pavasovic, Dusko (98x), Kaidanov, Gregory (76x), Tanti, Joseph G (72x), Vera Gonzalez-Quevedo, Reynaldo (64x)
Ambassadeurs : Frois, Antonio (49x), Marshall Viele, Fabrizio Aaron (47x), Morin, Louis (47x), Weyerstrass, Ronald (46x), Marshall, Frank (38x), De Jong, Peter (38x), Engl, Heinz (38x), Orsag, Milan (37x)
Ambassadeurs : Vaganian, Rafael A (130x), Geller, Efim P. (117x), Lputian, Smbat (91x), Portisch, Lajos (86x), Kotan, Ladislav (74x), Abramovic, Bosko (74x), Fridman, Daniel (64x), Ubilava, Elizbar (58x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Nf6 3…c6 3…c5 3…Be7
<1800 8601 67% 12% 8% 5%
1800-2200 66627 60% 16% 10% 8%
2200-2600 67853 42% 22% 11% 15%
2600+ 3523 33% 19% 7% 28%
Évolution par décennie (% des parties)
Décennie N parties 3…Nf6 3…c6 3…c5 3…Be7
1830s 2 100%
1840s 16 88% 6% 6%
1850s 27 93%
1860s 3 67%
1870s 18 67% 6%
1880s 73 75% 3% 10% 1%
1890s 414 84% 9% 0% 0%
1900s 1244 65% 4% 22% 1%
1910s 498 54% 4% 37%
1920s 724 75% 8% 10% 1%
1930s 1374 71% 11% 14% 0%
1940s 1143 59% 30% 8% 0%
1950s 1546 60% 21% 13% 1%
1960s 2188 54% 10% 15% 19%
1970s 2692 53% 10% 20% 14%
1980s 8790 46% 15% 18% 18%
1990s 35239 54% 18% 12% 9%
2000s 57077 57% 19% 9% 9%
2010s 63191 55% 16% 8% 11%
2020s 22942 56% 13% 9% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Nf6 55% 56% +0.4%
3…c6 16% 13% ▼ -3.3%
3…c5 8% 9% ▲ +0.7%
3…Be7 11% 7% ▼ -3.6%
Joueurs célèbres
Champions du monde dans cette position
Steinitz, Wilhelm — 10 parties
Lasker, Emanuel — 10 parties
Euwe, Max — 10 parties
Alekhine, Alexander — 10 parties
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Karpov, Aleksandr — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Parties historiques
3…Nf6 — 55.4% (110453 parties)
1834 — McDonnell Bond, Alex vs De Labourdonnais, L. — 1-0 — London ENG
1839 — De Meyer, Alexander vs Livanec — 1-0 — cr.
1842 — Kieseritzky, Lionel vs Calvi, Ignanzio — 0-1 — Paris FRA
1843 — Staunton, Howard vs Saint Amant, Pierre C — 1/2-1/2 — Paris FRA
1843 — Kieseritzky, Lionel vs Laigle, FC. — 1-0 — Paris FRA
3…c6 — 16.7% (33349 parties)
1874 — Elder, Frederic vs Bock, Frederic — 0-1 — Chicago, IL USA
1882 — Englisch, Berthold vs Ware, Preston — 1-0 — Vienna AUT
1887 — Blackburne, Joseph vs Gunsberg, Isidor — 1-0 — Frankfurt GER
1890 — Steinitz, Wilhelm vs Gunsberg, Isidor — 1/2-1/2 — New York, NY USA
1893 — Varain, Ernst vs Lipke, Paul — 0-1 — Kiel GER
3…c5 — 10.1% (20041 parties)
1844 — Williams, Elijah J vs Withers, John — 1/2-1/2 — Bristol ENG
1881 — Dufresne, Ali vs Tukmakov, Vladimir B — 1-0 — ?
1881 — Salvioli, Carlo vs Guennoune Crespi, Naim — 1-0 — Milan ITA
1887 — Kurschner, A. vs Tarrasch, Siegbert — 0-1 — Nuerenberg GER
1887 — Crewe, John E vs Hall, George B — 0-1 — Adelaide AUS
3…Be7 — 9.7% (19394 parties)
1844 — Williams, Elijah J vs Brown, Joseph — 1-0 — Bristol ENG
1887 — Blackburne, Joseph vs Berger, Jacob — 1/2-1/2 — Frankfurt GER
1896 — Fahndrich, Hugo vs Charousek, Rudolf — 0-1 — Vienna AUT
1903 — Tarrasch, Siegbert vs Alapin, Simon — 0-1 — Marseille FRA
1904 — Shoosmith, Hector W vs Gunsberg, Isidor — 1-0 — London ENG