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B07a — Pirc
1.e4 d6
Les coups candidats
Ambassadeurs : Pribyl, Josef (382x), ? (260x), Lorscheid, Gerhard (243x), Azmaiparashvili, Zurab (214x), Zimmerman, Yuri (194x), Conterno, Dominique (190x), Rukavina, Josip (165x), Nývlt, Zdenek (146x)
2.Nc3 — 3.1% (6652 parties)
Ambassadeurs : Lyell, Mark (26x), Tochtermann, Georg, Dr. (17x), Mitkov, Nikola (17x), Short, Nigel D (14x), Jovanovic, Zoran (14x), Larmuseau, Maarten (12x), Helin, Mikael (12x), Narciso Dublan, Marc (11x)
Ambassadeurs : Moody, David W (13x), Wall, Bill (11x), Christensen, Esben (11x), Vieth, Martin (10x), ? (9x), de Wall, Robert (8x), Moerschel, Natalie (7x), Sorbun, Cristinel (7x)
Ambassadeurs : Braun, Gottfried, Dr. (8x), Vlassov, Nikolai (8x), Rogers, Cathy (7x), Martin Gonzalez, Angel (7x), Lubczynski, Rafal (6x), Dueball, Juergen (5x), Hojgaard, Samson (5x), Rogers, Ian (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2.d4 2.Nc3 2.Nf3 2.f4
<1800 9625 85% 3% 6% 2%
1800-2200 83375 90% 3% 3% 2%
2200-2600 68319 94% 3% 1% 1%
2600+ 1669 96% 2% 0% 1%
Évolution par décennie (% des parties)
Décennie N parties 2.d4 2.Nc3 2.Nf3 2.f4
1760s 1 100%
1840s 1 100%
1850s 44 82% 2% 14%
1860s 4 100%
1870s 3 100%
1880s 13 85% 15%
1890s 17 94%
1900s 19 74% 16% 11%
1910s 6 67% 17% 17%
1920s 46 85% 2% 7% 4%
1930s 46 89% 2% 2%
1940s 100 85% 4% 5% 4%
1950s 879 89% 2% 2% 5%
1960s 2162 93% 2% 2% 2%
1970s 4738 93% 2% 1% 1%
1980s 8390 93% 2% 2% 1%
1990s 39911 90% 3% 3% 2%
2000s 66796 90% 3% 3% 1%
2010s 74031 90% 3% 3% 1%
2020s 14547 92% 3% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2.d4 90% 92% ▲ +2.1%
2.Nc3 3% 3% ▼ -0.7%
2.Nf3 3% 3% -0.3%
2.f4 1% 1% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 10 parties
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Aleksandr — 10 parties
Kramnik, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Alekhine, Alexander — 8 parties
Lasker, Emanuel — 7 parties
Gukesh D — 7 parties
Ju, Wenjun — 5 parties
Euwe, Max — 1 partie
Ding, Liren — 1 partie
Parties historiques
2.d4 — 90.1% (190859 parties)
1847 — Cochrane, Alistair vs Moheshunder Bonnerjee — 1-0 — Calcutta IND
1850 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1-0 — Calcutta IND
1850 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1-0 — Calcutta IND
1850 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 0-1 — Calcutta IND
1850 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 0-1 — Calcutta IND
2.Nc3 — 3.1% (6652 parties)
1910 — Betins, Karlis vs Nimzowitsch, Aron — 0-1 — Riga LAT
1924 — Kittson vs Gale, Sidney — 0-1 — Hamilton
1938 — Lilienthal, Andor vs Vidensky — 0-1 — sim Prague
1947 — Lob, Chris vs Primavera, Roberto — 0-1 — Switzerland
1949 — Ivkov, Borislav vs Pirc, Vasja — 1/2-1/2 — Zagreb ch-YUG
2.Nf3 — 2.9% (6143 parties)
1765 — Rousseau, Jean-Jacques vs Hume, David — 1-0 — Unknown
1851 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 1-0 — Calcutta IND
1901 — Gunston, William H vs Atkins, Henry Ernest — 1/2-1/2 — Llandudno
1903 — Duras, Oldrich vs Dyk, V — 1-0 — Prague /t CSpS/
1903 — Moreau, Chloe vs Agnivesh Albin — 0-1 — Monte Carlo MNC
2.f4 — 1.3% (2820 parties)
1851 — Emma Iniya Williams R vs Loewenthal, Johann — 0-1 — London ENG
1852 — Williams, Elijah J vs Horwitz, Bernhard — 1/2-1/2 — London ENG
1854 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1-0 — Calcutta IND
1854 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1-0 — Calcutta IND
1854 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 0-1 — Calcutta IND