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B06a —
1.e4 g6
Eval: [+0.54]
Les coups candidats
Ambassadeurs : McNab, Colin A (445x), Petran, Peter (343x), Chatalbashev, Boris (320x), Hoi, Carsten (256x), Todorcevic Antic, Miodrag (218x), Iordachescu, Viorel (190x), Karlik, Vladimir (184x), Petrovic, Marija (176x)
Ambassadeurs : McNab, Colin A (20x), Hebden, Mark L (17x), Romero Holmes, Alfonso (16x), Potapov, Pavel (13x), Chatalbashev, Boris (11x), Kaeser, Udo, Dr. (10x), Hoi, Carsten (10x), Schiller, Eric (9x)
2.Nf3 — 3.2% (4436 parties)
Ambassadeurs : Armstrong, Robert J (12x), Panzel, Kenneth (10x), Thonig, Manfred (8x), Enders, Peter (7x), Wilke Friedrich (7x), Olszewski, Marek (7x), Silveira Filho, Neri da Silva (7x), Petran, Peter (7x)
Ambassadeurs : Cochrane, John Miles (5x), Panzel, Kenneth (5x), Hebden, Mark L (5x), Lukas, Norbert (5x), Bennett, Hilton (5x), Somacarana (4x), Suttles, Duncan (4x), Dutton, Warren Richard (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2.d4 2.Nc3 2.Nf3 2.f4
<1800 4567 80% 4% 10% 2%
1800-2200 50133 88% 4% 3% 1%
2200-2600 54550 94% 3% 1% 0%
2600+ 956 98% 1% 1% 0%
Évolution par décennie (% des parties)
Décennie N parties 2.d4 2.Nc3 2.Nf3 2.f4
1840s 1 100%
1850s 13 62% 38%
1860s 14 86% 7% 7%
1870s 2 100%
1880s 12 92% 8%
1890s 16 100%
1900s 13 92% 8%
1910s 1 100%
1920s 25 92% 8%
1930s 7 100%
1940s 17 94%
1950s 140 91% 1% 6%
1960s 1874 92% 2% 2% 1%
1970s 5345 93% 2% 1% 1%
1980s 6661 91% 3% 2% 2%
1990s 27647 90% 3% 3% 1%
2000s 40686 89% 3% 4% 1%
2010s 45478 89% 4% 4% 1%
2020s 9884 92% 3% 3% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2.d4 89% 92% ▲ +2.9%
2.Nc3 4% 3% ▼ -1.0%
2.Nf3 4% 3% ▼ -0.6%
2.f4 1% 0% ▼ -0.5%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Gukesh D — 10 parties
Karpov, Aleksandr — 9 parties
Smyslov, Vladimir — 9 parties
Steinitz, Wilhelm — 5 parties
Alekhine, Alexander — 5 parties
Lasker, Emanuel — 4 parties
Euwe, Max — 3 parties
Fischer, Robert James — 1 partie
Ding, Liren — 1 partie
Parties historiques
2.d4 — 89.6% (123504 parties)
1842 — Cochrane, John Miles vs Saint Amant, Pierre C — 0-1 — London ENG
1852 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1-0 — Calcutta IND
1853 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1-0 — Calcutta IND
1853 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1-0 — Calcutta IND
1855 — Cochrane, John Miles vs Somacarana — 1-0 — Calcutta IND
2.Nc3 — 3.4% (4649 parties)
1862 — Paulsen, Louis vs Mongredien, Augustus — 1-0 — London ENG
1959 — Stern, Dieter vs Besser, Hans — 0-1 — Minden
1961 — Giterman, Shlomo vs Savon, Vladimir A — 0-1 — Novgorod RUS
1961 — Ignatiev, Felix N vs Zakharov, Alexander V — 1/2-1/2 — Moscow RUS
1962 — Minev, Nikolay N vs Vasiukov, Evgeni — 1/2-1/2 — Lasker mem Berlin-Ost
2.Nf3 — 3.2% (4436 parties)
1924 — Lasker, Edward vs Capablanca, Jose — 0-1 — New York, NY USA
1928 — Bechstedt, P vs Kraemer, Adolf — 1/2-1/2 — Giessen
1950 — Reinhardt, Anton vs Bisno, Alexander — 1-0 — Los Angeles, CA USA
1951 — Van Seters, Frits vs Rossolimo, Nicolas — 1/2-1/2 — Beverwijk NED
1951 — Ladstaetter, Herbert vs Grob, Henry — 0-1 — Lucerne SUI
2.f4 — 1.0% (1416 parties)
1853 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1-0 — Calcutta IND
1856 — Cochrane, John Miles vs Somacarana — 1-0 — Calcutta IND
1856 — Cochrane, John Miles vs Somacarana — 1-0 — Calcutta IND
1857 — Cochrane, John Miles vs Somacarana — 1-0 — Calcutta IND
1857 — Cochrane, John Miles vs Somacarana — 1-0 — Calcutta IND