D05a —
1.d4 d5 2.Nf3 Nf6 3.e3 e6
Eval: [+0.08]
Les coups candidats
Ambassadeurs : Wittal, Werner (50x), Colle, Edgar (43x), Koltanowski, George (39x), Kratochvíl, Václav (34x), Brousek, Jiri (30x), Nittel, Christian (29x), Limberg, Siegfried (28x), ? (27x)
Ambassadeurs : Koenig, Michael (19x), Bourgoin, Claude (12x), Kivimaki, Jaakko (12x), Van Gysel, Marc (10x), Srpak, Damir (10x), Danielian, Elina (9x), Bobak, Sandor (8x), Makeyev, Aleksey Nikolaevich (7x)
Ambassadeurs : Catania, Duane (19x), Koellner, Ruben Gideon (13x), Malbasic, Ljubisa (9x), Harmatosi, Jozsef (7x), Archangelsky, Mikhail (7x), Sultan Khan, Mir (6x), Sheers, Matthew (6x), Dehaybe, Andre (6x)
4.Be2 — 2.2% (519 parties)
Ambassadeurs : Bester, Kazimierz (10x), Gregory, Andrew M (6x), Hafner, Robert (6x), Gunsberg, Isidor (4x), Cinque Raphael (4x), Goris-Schouwstra, Adry (4x), Metger, Johannes (3x), Oldernes, Harald (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Bd3 4.c4 4.Nbd2 4.Be2
<1800 1885 77% 11% 4% 2%
1800-2200 10134 80% 11% 4% 2%
2200-2600 4288 75% 14% 6% 2%
2600+ 126 67% 11% 13%
Évolution par décennie (% des parties)
Décennie N parties 4.Bd3 4.c4 4.Nbd2 4.Be2
1850s 3 100%
1870s 4 50% 50%
1880s 64 56% 16% 17%
1890s 49 51% 31% 2% 10%
1900s 79 73% 13% 4% 3%
1910s 58 69% 17% 5%
1920s 131 82% 8% 5%
1930s 280 81% 6% 10%
1940s 111 83% 4% 13%
1950s 110 65% 8% 18% 2%
1960s 114 75% 12% 6% 1%
1970s 136 68% 18% 8% 1%
1980s 428 75% 11% 9% 2%
1990s 2894 78% 11% 5% 2%
2000s 7385 77% 13% 4% 2%
2010s 9265 77% 13% 4% 2%
2020s 2325 76% 10% 5% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Bd3 77% 76% ▼ -0.7%
4.c4 13% 10% ▼ -2.5%
4.Nbd2 4% 5% ▲ +0.7%
4.Be2 2% 3% ▲ +0.5%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Euwe, Max — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 3 parties
Hou, Yifan — 3 parties
Carlsen, Magnus — 3 parties
Ju, Wenjun — 2 parties
Gukesh D — 2 parties
Steinitz, Wilhelm — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
4.Bd3 — 76.7% (17968 parties)
1876 — Potter, William N vs Blackburne, Joseph — 0-1 — London ENG
1876 — Zukertort, Johannes vs MacDonnell, George — 1/2-1/2 — London ENG
1880 — Blackburne, Joseph vs Englisch, Berthold — 1/2-1/2 — Wiesbaden GER
1883 — Zukertort, Johannes vs Judd, Max — 1-0 — New York, NY USA
1883 — Zukertort, Johannes vs Judd, Max — 1-0 — Manhattan corr
4.c4 — 12.0% (2817 parties)
1855 — Somacarana vs Cochrane, John Miles — 0-1 — Calcutta IND
1855 — Somacarana vs Cochrane, John Miles — 0-1 — Calcutta IND
1858 — Somacarana vs Cochrane, John Miles — 1/2-1/2 — Calcutta IND
1878 — Paulsen, Louis vs Paulsen, Werner — 1-0 — Frankfurt GER
1878 — Mason, James vs Zukertort, Johannes — 1/2-1/2 — Paris FRA
4.Nbd2 — 4.8% (1119 parties)
1898 — Greenfield, Wilfred J vs Hynd, George — 1-0 — Melbourne AUS
1907 — Shoosmith, Hector W vs Rubinstein, Akiba — 0-1 — Ostende II
1907 — Dus Chotimirsky, Fedor vs Nimzowitsch, Aron — 1-0 — Karlovy Vary
1907 — Duz-Khotimirsky, Fedor Ivanovich vs Nimzowitsch, Aron — 1-0 — Carlsbad CZE
1912 — Rubinstein, Akiba vs Barasz, Zsigmond — 1-0 — Bad Pistyan CZE
4.Be2 — 2.2% (519 parties)
1881 — Blackburne, Joseph vs Chigorin, Mikhail — 1-0 — Berlin GER
1883 — Gunsberg, Isidor vs Lange, Max — 0-1 — Nuerenberg GER
1883 — Gunsberg, Isidor vs Piper, Thomas Henry — 1-0 — London ENG
1883 — Chigorin, Mikhail vs McKenzie, George — 1-0 — London ENG
1883 — Minchin, James I vs Gunsberg, Isidor — 1-0 — London ENG