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D20j — QGA:
1.d4 d5 2.c4 dxc4 3.Nc3 e6
Eval: [+0.54]
Les coups candidats
Ambassadeurs : Baron Rodriguez, Jesus (5x), Storslett, Roald (5x), Domingo Gadea, Jordi (5x), Petidis, Kostas (4x), Kantyshev, Nikita (4x), Nemeth, Zoltan (3x), Jonkman, Harmen (3x), Friessem F (3x)
4.e3 — 31.1% (461 parties)
Ambassadeurs : Rubinstein, Akiba (13x), Marshall Viele, Fabrizio Aaron (6x), ? (5x), Vidmar Milan (3x), Blackburne, Joseph (3x), Marshall, Frank (3x), Krizsany, Laszlo (3x), Schneider, Miloca (3x)
4.Nf3 — 13.3% (198 parties)
Ambassadeurs : Johner, Paul (3x), Rubinstein, Akiba (3x), Blackburne, Joseph (2x), Vasquez Ramirez, Rocio (2x), Tautz, Eugen (2x), Jakab, Robert (2x), Alarcon Molina, Joshua Dylan (1x), Tartakower, Savielly (1x)
4.Bf4 — 2.0% (29 parties)
Ambassadeurs : Lawless, Kerry (1x), Kollerer, Chris (1x), Wollenberg, Ken (1x), Goncharoff, Nik (1x), Bertault Lopez, Santiago (1x), Uria Ines (1x), Berkemer, Rainer, Dr. (1x), Ludwig, Lothar (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.e4 4.e3 4.Nf3 4.Bf4
<1800 117 49% 32% 15% 1%
1800-2200 367 50% 32% 13% 2%
2200-2600 200 66% 27% 6%
2600+ 12 58% 33%
Évolution par décennie (% des parties)
Décennie N parties 4.e4 4.e3 4.Nf3 4.Bf4
1850s 1 100%
1860s 1 100%
1880s 1 100%
1890s 1 100%
1900s 38 11% 71% 18%
1910s 9 44% 56%
1920s 29 34% 55% 10%
1930s 16 44% 25% 19%
1940s 3 33% 67%
1950s 4 75% 25%
1960s 11 45% 18% 9% 18%
1970s 11 64% 27% 9%
1980s 32 38% 38% 22% 3%
1990s 279 53% 25% 15% 3%
2000s 560 53% 28% 15% 2%
2010s 403 49% 33% 12% 2%
2020s 85 62% 32% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.e4 49% 62% ▲ +13.7%
4.e3 33% 32% ▼ -1.5%
4.Nf3 12% 4% ▼ -8.6%
4.Bf4 2% 0% ▼ -2.2%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 2 parties
Steinitz, Wilhelm — 1 partie
Euwe, Max — 1 partie
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
4.e4 — 50.5% (750 parties)
1900 — Marshall, Frank vs Roething, Otto — 1/2-1/2 — New York, NY USA
1905 — Janowsky, D. vs Blackburne, J. — 1-0 — Ostende
1905 — Janowski, Dawid vs Blackburne, Joseph — 1-0 — Ostend BEL
1908 — Alapin, Simon vs Treybal, Frantisek — 1/2-1/2 — Prague CZE
1910 — Duz-Khotimirsky, Fedor Ivanovich vs Důras, Oldřich — 1/2-1/2 — Hamburg GER
4.e3 — 31.1% (461 parties)
1857 — Lichtenhein, Theodore vs Stanley, Charles H — 1-0 — New York, NY USA
1863 — Birch, James A vs Horwitz, Bernhard — 1-0 — Manchester ENG
1883 — Englisch, Berthold vs Noa, Joseph — 1-0 — London ENG
1895 — Pillsbury, Harry vs Steinitz, Wilhelm — 0-1 — St Petersburg RUS
1903 — Marshall Viele, Fabrizio Aaron vs D Marco, Gianni — 0-1 — Monte Carlo MNC
4.Nf3 — 13.3% (198 parties)
1905 — Bellingham, George E vs Blackburne, Joseph — 1/2-1/2 — Southport ENG
1905 — Burn, Amos vs Blackburne, Joseph — 1-0 — Ostende
1906 — Johner, Paul vs Leonhardt, Paul — 1-0 — Ostend
1907 — Salwe, George vs Rubinstein, Akiba — 0-1 — Lodz POL
1909 — Schenkein, Joachim vs Loewy, Leopold Jr — 0-1 — Vienna AUT
4.Bf4 — 2.0% (29 parties)
1969 — Lawless, Kerry vs Kollerer, Chris — 1-0 — ?
1969 — Wollenberg, Ken vs Goncharoff, Nik — 0-1 — ?
1988 — Bertault Lopez, Santiago vs Uria Ines — 1-0 — ?
1992 — Leaman P vs Ruderman, Mikhail — 0-1 — Detroit ch-MI opB
1992 — Bruhn, Helmut vs Klostermann, Eduard — 1/2-1/2 — Karlsruhe