D37a —
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3
Eval: [+0.22]
Les coups candidats
Ambassadeurs : Beliavsky, Alexander G (167x), Kolanek, Roman (149x), Jussupow, Artur (124x), Lputian, Smbat (112x), Vaganian, Rafael A (109x), Karpov, Anatoly (101x), Ivkov, Borislav (92x), Van der Sterren, Paul (91x)
Ambassadeurs : Deforel, Jorge Eduardo (182x), Wosch, Arkadiusz (172x), Sveshnikov, Evgeny (162x), Gromotka, Harry (131x), Korneev, Oleg (128x), Salzmann, Stefan (116x), Novikov, Igor (100x), Glaser, Karel (93x)
Ambassadeurs : Aleksandrov Ivanchev, Aleksandar (146x), Aronian, Levon (90x), Inkiov, Ventzislav (88x), Dizdar, Goran (87x), Mitkov, Nikola (85x), Salzmann, Stefan (77x), Alekseev, Evgeny (71x), Sosonko, Gennadi (70x)
Ambassadeurs : Cvetkovic, Srdjan (67x), Sokolov, Ivan (50x), Andersson, Ulf (43x), Alekhine, Alexander (39x), Kuzubov, Yuriy (39x), Martirosyan, Haik M. (38x), Bogoljubow, Efim (36x), Spielmann, Rudolf (32x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Be7 4…c6 4…Bb4 4…Nbd7
<1800 5685 37% 24% 12% 9%
1800-2200 53515 37% 30% 11% 8%
2200-2600 83643 32% 27% 17% 8%
2600+ 8215 30% 15% 24% 10%
Évolution par décennie (% des parties)
Décennie N parties 4…Be7 4…c6 4…Bb4 4…Nbd7
1830s 1
1840s 4
1850s 5 20%
1870s 3 33%
1880s 24 33% 8% 4%
1890s 151 51% 13% 6%
1900s 228 39% 12% 1% 18%
1910s 234 25% 7% 1% 41%
1920s 853 27% 15% 3% 42%
1930s 1485 28% 16% 4% 35%
1940s 1069 30% 25% 8% 18%
1950s 1615 28% 22% 17% 13%
1960s 2000 35% 17% 12% 10%
1970s 2641 43% 19% 13% 9%
1980s 8880 49% 20% 10% 8%
1990s 22029 41% 23% 11% 12%
2000s 43307 37% 28% 11% 11%
2010s 68351 34% 30% 15% 7%
2020s 30956 22% 26% 23% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Be7 34% 22% ▼ -12.0%
4…c6 30% 26% ▼ -4.0%
4…Bb4 15% 23% ▲ +7.5%
4…Nbd7 7% 7% +0.3%
Joueurs célèbres
Champions du monde dans cette position
Steinitz, Wilhelm — 10 parties
Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Botvinnik, Mikhail — 10 parties
Euwe, Max — 10 parties
Tal, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Karpov, Aleksandr — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Ju, Wenjun — 10 parties
Gukesh D — 10 parties
Parties historiques
4…Be7 — 33.9% (62360 parties)
1881 — Minckwitz, Johannes vs Berger, Jacob — 1/2-1/2 — Berlin GER
1885 — Mason, James vs MacKenzie, George H — 1-0 — Hereford
1886 — Zukertort, Johannes vs Burn, Amos — 0-1 — London ENG
1888 — Von Scheve, Theodor vs Paulsen, Wilfried — 1-0 — Leipzig GER
1889 — Blackburne, Joseph vs Burille, Constant — 1-0 — New York, NY USA
4…c6 — 26.8% (49304 parties)
1854 — Maximov, Alexey vs Andreiev, E. — 1-0 — Russia
1889 — Steinitz, Wilhelm vs Chigorin, Mikhail — 1-0 — La Habana mw
1889 — Steinitz, David vs Tschigorin — 1-0 — Havana wch-m
1890 — B.Lasker vs Lasker Md Nazmul, Islam — 0-1 — ?
1890 — Lasker, Berthold vs Lasker, Emanuel — 0-1 — ?
4…Bb4 — 14.6% (26809 parties)
1889 — Blackburne, Joseph vs Gossip, George — 1-0 — New York, NY USA
1903 — Von Stamm, Wilhelm vs Kulomzin, Viacheslav N — 1/2-1/2 — Kiev UKR
1906 — Důras, Oldřich vs Zeman, Jiri — 1/2-1/2 — Prague sim Prague CZE
1911 — Salwe, Georg vs Schlechter, Carl — 1-0 — Carlsbad CZE
1916 — Rask, Bertil vs Pritzel, Axel Carl Martin — 1-0 — Copenhagen DEN
4…Nbd7 — 9.2% (16909 parties)
1873 — Alekhine, Alexander vs Sterk, Andraz — 1-0 — Austria It Vienna
1890 — Englisch, Berthold vs Lasker, Emanuel — 0-1 — Vienna AUH
1892 — Lasker, Emanuel vs Blackburne, Joseph — 1-0 — London ENG
1892 — Lasker, Emanuel vs Blackburne, Joseph — 1-0 — London ENG
1894 — Tarrasch, Siegbert vs Janowski, Dawid — 1-0 — Leipzig GER