A43d - 2.e3 [+0.22]

A43d —
1.d4 c5 2.e3
Eval: [+0.22]
Les coups candidats
2…Nf6 — 41.8% (2031 parties)
Ambassadeurs : Kovacevic, Vlatko (10x), Bombek, Peter (10x), Lenz, Juergen (8x), Ivanovic, Bozidar (7x), Le Thanh Tu (7x), Kock, Hans-Uwe (6x), Velimirovic, Dragoljub (5x), Bunk, Karsten (5x)
2…e6 — 19.5% (948 parties)
Ambassadeurs : Kovacevic, Vlatko (9x), Teglas, Balazs (6x), Dobos, Otto (5x), Skembris, Spyridon (4x), Hartlaub, Marianne (4x), Zelcic, Robert (4x), Heinola, Kari P. (3x), Buecker, Stefan (3x)
2…cxd4 — 16.7% (812 parties)
Ambassadeurs : Haba, Petr (6x), Schaefer, Hans-Ulrich (4x), Lopez Linares, Lizandro Fernando (4x), Wais, Michael (3x), Cvorovic, Drazen (3x), Lofi, Sarah (3x), Keze, Arnis (3x), Degtiarev, Viktor (3x)
2…d5 — 10.4% (504 parties)
Ambassadeurs : Alekhine, Alexander (4x), Westerinen, Heikki M.J. (4x), Haba, Petr (4x), Lomasov, Semyon (4x), Tartakower, Savielly (3x), Perun, Sergey (3x), Kazarian, Georgy (3x), Fatalibekova, Elena (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2…Nf6 2…e6 2…cxd4 2…d5
<1800 262 27% 26% 27% 9%
1800-2200 2307 40% 21% 16% 10%
2200-2600 1246 56% 13% 11% 9%
2600+ 3 33% 33% 33% —
Évolution par décennie (% des parties)
Décennie N parties 2…Nf6 2…e6 2…cxd4 2…d5
1840s 2 — — 50% —
1890s 1 100% — — —
1900s 8 — 12% — 62%
1910s 3 — 33% 67% —
1920s 11 18% 45% 9% 18%
1930s 19 16% 11% 21% 53%
1940s 6 33% — 17% 50%
1950s 29 59% 21% 10% 7%
1960s 39 49% 15% 13% 5%
1970s 59 68% 10% 12% 7%
1980s 137 53% 22% 10% 4%
1990s 884 43% 19% 15% 12%
2000s 1636 40% 21% 17% 10%
2010s 1824 41% 18% 18% 10%
2020s 196 48% 18% 17% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2…Nf6 41% 48% ▲ +7.4%
2…e6 18% 18% +0.2%
2…cxd4 18% 17% ▼ -0.7%
2…d5 10% 8% ▼ -2.6%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 4 parties
Tal, Mikhail — 2 parties
Euwe, Max — 1 partie
Parties historiques
2…Nf6 — 41.8% (2031 parties)
1899 — Alvarez Lee, Felix vs Blackburne, Joseph — 0-1 — London ENG
1921 — Saemisch, Friedrich vs Gruber, Theo — 1-0 — Vienna AUT
1924 — Euwe, Max vs Chepurnov, Anatoly A — 1/2-1/2 — Paris FRA
1930 — Ingledew, Edwin vs Coulson, W. — 1-0 — Melbourne AUS
1933 — Lilienthal, Andor vs Hasenfuss, Wolfgang — 1-0 — Folkestone olm
2…e6 — 19.5% (948 parties)
1908 — Shoosmith, Hector W vs Blackburne, Joseph — 1/2-1/2 — Tunbridge Wells
1912 — Marshall, Frank vs Důras, Oldřich — 0-1 — Bad Pistyan CZE
1920 — Saemisch, Friedrich vs Breyer, Guy — 1/2-1/2 — Berlin GER
1921 — Saemisch, Friedrich vs Tenner, Oscar — 1-0 — Berlin GER
1923 — Alves Becker, Wesley Miguel vs Hartmann Lang, Josue Ivan — 1-0 — Frankfurt GER
2…cxd4 — 16.7% (812 parties)
1844 — Williams, Elijah J vs Withers, John — 1-0 — Bristol ENG
1910 — Atteslander, S. vs Whipple, Charles A — 0-1 — Hamburg GER
1913 — Speijer, Abraham vs Mieses, Jacques — 1-0 — Scheveningen NED
1925 — Partington, Lawton vs Enke, Max — 1-0 — Victoria
1934 — Anglares, Edouard vs Raizman, Maurice — 0-1 — Paris FRA
2…d5 — 10.4% (504 parties)
1907 — Mason, James vs Popiel, Ignacy — 0-1 — Vienna AUT
1908 — Mackenzie, Arthur J vs Shoosmith, Hector W — 1-0 — Tunbridge Wells
1908 — Johner, Paul vs Tartakower, Savielly — 0-1 — Vienna AUT
1909 — Salwe, Georg vs Tartakower, Savielly — 1/2-1/2 — St Petersburg RUS
1909 — Freiman, Sergey Nikolaevich vs Tartakower, Savielly — 0-1 — It St Petersburg RUS