A04j —
1.Nf3 e6 2.g3
Eval: [+0.17]
Les coups candidats
2…d5 — 28.2% (1660 parties)
Ambassadeurs : Weyerstrass, Ronald (9x), Almasi, Istvan (9x), Naumkin, Igor (9x), Bernal Varela, Nelson (7x), Neffe, Axel (5x), Jovanovic, Bratislav M (5x), Kotek, Daniel (4x), Maksimovic, Branimir (4x)
2…f5 — 26.7% (1570 parties)
Ambassadeurs : Bellin, Robert (10x), Mariotti, Sergio (9x), Boe, Mads (8x), Gundersen, Helge (8x), Yakimenko, Alexander A. (8x), Kirov, Nino (6x), Woodhouse, Stephen V (6x), Polok, Kacper (6x)
2…b6 — 17.0% (998 parties)
Ambassadeurs : Fedukin, Alexandre (9x), Kamp, Christoph (8x), Grimm, Sascha (7x), Leszko, Bence (7x), Jamrich, Gyorgy (5x), Richards, Heather S (5x), Bueno, Alfeu Varela Jr (5x), Bueno, Alfeu Junior Varela (5x)
2…Nf6 — 13.5% (792 parties)
Ambassadeurs : Wang, Annie (7x), Piesik, Piotr (5x), Seifert, Volker (4x), Koehler, Josef (4x), ? (3x), Zatonskih, Anna (3x), Bergmann, Michael (3x), Rau, Hannes (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2…d5 2…f5 2…b6 2…Nf6
<1800 218 44% 15% 10% 18%
1800-2200 2261 31% 28% 18% 13%
2200-2600 2191 20% 28% 19% 12%
2600+ 51 8% 6% 22% 8%
Évolution par décennie (% des parties)
Décennie N parties 2…d5 2…f5 2…b6 2…Nf6
1880s 1
1910s 1 100%
1920s 5 80% 20%
1930s 16 38% 31% 12% 19%
1940s 18 6% 72% 17% 6%
1950s 65 9% 68% 9% 8%
1960s 59 10% 63% 7% 10%
1970s 133 18% 35% 19% 8%
1980s 302 22% 33% 15% 14%
1990s 1131 29% 30% 15% 11%
2000s 1525 32% 22% 19% 14%
2010s 2111 27% 26% 19% 14%
2020s 517 33% 21% 12% 16%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2…d5 27% 33% ▲ +6.6%
2…f5 26% 21% ▼ -4.8%
2…b6 19% 12% ▼ -6.4%
2…Nf6 14% 16% ▲ +2.0%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 4 parties
Gukesh D — 3 parties
Botvinnik, Mikhail — 2 parties
Carlsen, Magnus — 2 parties
Tal, Mikhail — 1 partie
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
2…d5 — 28.2% (1660 parties)
1923 — Yates, Frederic D vs Nimzowitsch, Aron — 0-1 — It Carlsbad CZE
1923 — Yates, Frederic D vs Nimzowitsch, Aron — 0-1 — Carlsbad CZE
1926 — Schurig Laue, Kurt vs Nimzowitsch, Aron — 0-1 — Leipzig GER
1928 — Reti, Richard vs Stoltz, Gösta — 1-0 — Berlin GER
1936 — Kremer, Laurent vs Voinov, Nikolai — 1-0 — Munich GER
2…f5 — 26.7% (1570 parties)
1928 — Capablanca, Jose vs Nyholm, Gustav — 1-0 — Stockholm SWE
1932 — Lisitsin, Georgy vs Ilyin Zhenevsky, Alexander — 1-0 — Leningrad RUS
1933 — Lebedev, Peter Alexeevich vs Grigoriev, Nikolai — 1-0 — Moscow RUS
1933 — Lisitsin, Georgy vs Verlinsky, Boris — 1-0 — Ch URS Leningrad RUS
1934 — Merkel Solomon M vs Koshnitsky, Gregory — 0-1 — Sydney AUS
2…b6 — 17.0% (998 parties)
1931 — Richter, Emil vs Kottnauer, Cenek — 1-0 — Praag Kautsky mem
1936 — Concepcion Villegas, Bryan Uriel vs Letelier Martner, Rene — 0-1 — Mar del Plata ARG
1947 — Kraus, Rudolf vs Niephaus, Walter — 1-0 — Riedenburg
1947 — Lange, Wilfried vs Saemisch, Friedrich — 1-0 — Essen GER
1948 — Santasiere, Anthony vs McCord J — 1-0 — Baltimore, MD USA
2…Nf6 — 13.5% (792 parties)
1912 — Englund, Fritz vs Langborg Hugo W — 1-0 — Stockholm SWE
1932 — Eliskases, Erich vs ? — 1-0 — Wenen Trebitsch
1937 — Ragozin, Viacheslav vs Ilyin Zhenevsky, Alexander — 1-0 — Tbilisi ch-URS
1938 — Tolush, Alexander V vs Ilyin Zhenevsky, Alexander — 1-0 — URS-ch sf Leningrad RUS
1942 — Barcza, Gedeon vs Rohacek, Ivan — 1/2-1/2 — Munich GER