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B20a —
1.e4 c5
Eval: [+0.29]
Les coups candidats
Ambassadeurs : ? (2840x), Jansa, Vlastimil (1359x), Sax, Gyula (1148x), Sorcinelli, Andrea (879x), Da Silva Filho, Alcindo Luz Bastos (794x), Matulovic, Milan (742x), Tal, Mikhail (721x), Vasiukov, Evgeni (663x)
Ambassadeurs : Mitkov, Nikola (293x), ? (254x), Lyell, Mark (233x), Starostits, Ilmars (188x), Gdanski, Jacek (167x), Bastian, Herbert (142x), Parkanyi, Attila (139x), Balashov, Yuri (134x)
Ambassadeurs : Sveshnikov, Evgeny (468x), Sermek, Drazen (314x), Godena, Michele (308x), Stevic, Hrvoje (292x), Pavasovic, Dusko (284x), ? (282x), Karpatchev, Aleksandr (270x), Jonkman, Harmen (269x)
Ambassadeurs : ? (223x), Zelic, Mladen (180x), Morin, Louis (172x), Lochte, Thomas (152x), Vasquez Anabalon, Fernando (121x), Acuna Moore, Kevin Stiven (96x), Morvay, Miklos (89x), Simmelink, Joop Theo (86x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2.Nf3 2.Nc3 2.c3 2.d4
<1800 79829 70% 12% 7% 4%
1800-2200 732601 72% 12% 8% 3%
2200-2600 830898 80% 8% 7% 1%
2600+ 28726 89% 6% 3% 0%
Évolution par décennie (% des parties)
Décennie N parties 2.Nf3 2.Nc3 2.c3 2.d4
10s 1 100%
1620s 3
1780s 1
1790s 6 33% 17%
1800s 2 50% 50%
1810s 2
1830s 38 16%
1840s 98 13% 2% 26%
1850s 233 37% 1% 22%
1860s 151 46% 17% 13%
1870s 123 52% 32% 11%
1880s 279 46% 47% 2%
1890s 205 63% 27% 1% 3%
1900s 672 57% 27% 4% 6%
1910s 320 69% 9% 1% 11%
1920s 1248 72% 13% 1% 4%
1930s 2109 78% 13% 0% 2%
1940s 2735 80% 11% 1% 1%
1950s 11069 85% 7% 2% 2%
1960s 25735 85% 8% 2% 2%
1970s 46272 82% 8% 5% 2%
1980s 83732 77% 8% 7% 3%
1990s 341360 72% 11% 9% 3%
2000s 646087 74% 11% 8% 2%
2010s 718029 77% 10% 7% 2%
2020s 211080 80% 10% 6% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2.Nf3 77% 80% ▲ +2.8%
2.Nc3 10% 10% -0.4%
2.c3 7% 6% ▼ -0.9%
2.d4 2% 1% ▼ -0.5%
Joueurs célèbres
Champions du monde dans cette position
Steinitz, Wilhelm — 10 parties
Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Euwe, Max — 10 parties
Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Aleksandr — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Fischer, Robert James — 7 parties
Capablanca, Jose Raul — 1 partie
Parties historiques
2.Nf3 — 75.6% (1580494 parties)
11 — Vujadinovich, Milan vs Arnhold, Albrecht — 1-0 — IECC
1792 — Janetschek, Karl vs Kormanyos, Zoltan — 1-0 — Kecskemet HUN
1792 — Tuominen, Martti vs Groiss, Werner — 1/2-1/2 — ?
1807 — Monteagudo Garrido, Pedro vs Santamaria Bo, Jose Maria — 1-0 — ESP
1834 — McDonnell Bond, Alex vs De Labourdonnais, L. — 0-1 — London ENG
2.Nc3 — 10.3% (214753 parties)
1793 — Hlavac, Frantisek vs Djeno, Drago — 1-0 — Bayern
1801 — ? vs Marti Severino, Adolfo Jose — 0-1 — Naples 1723
1861 — Paulsen, Louis vs Campbell, Joseph Graham — 0-1 — London ENG
1862 — Paulsen, Laurids vs Anderssen, Adolf — 1-0 — London ENG
1862 — Paulsen, Louis vs Anderssen, Adolf — 1-0 — London ENG
2.c3 — 7.3% (151706 parties)
1841 — Popert, Wolf Meyer vs Staunton, Howard — 1-0 — London ENG
1842 — Schulten, John W vs Saint Amant, Pierre C — 0-1 — Paris FRA
1855 — Zytogorski, Adolf vs Barnes, Thomas — 1-0 — London ENG
1855 — HealeySmith vs KlingWorrell — 1/2-1/2 — London ENG
1898 — Alapin, Simon vs Tarrasch, Siegbert — 0-1 — Vienna AUT
2.d4 — 2.1% (44388 parties)
1842 — Cochrane, John Miles vs Staunton, Howard — 0-1 — London ENG
1842 — Cochrane, John Miles vs Staunton, Howard — 1/2-1/2 — London ENG
1842 — Cochrane, John Miles vs Staunton, Howard — 0-1 — London ENG
1842 — Cochrane, John Miles vs Staunton, Howard — 0-1 — London ENG
1842 — Cochrane, John Miles vs Staunton, Howard — 1-0 — London ENG