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B12a —
1.e4 c6 2.d4
Eval: [+0.27]
Les coups candidats
Ambassadeurs : ? (578x), Burmakin, Vladimir (536x), Markus, Roland (456x), Meduna, Eduard (385x), Eperjesi, Laszlo Dr. (365x), Dreev, Aleksey (359x), Zelcic, Robert (329x), Marbourg, Denny (312x)
Ambassadeurs : Foisor, Cristina-Adela (80x), Csom, Istvan (60x), Khmiadashvili, Tamar (54x), Pape, Manfred (43x), Khotenashvili, Bella (41x), Nun, Jiri (36x), Blatny, Pavel (35x), Betko, Lubomir (33x)
Ambassadeurs : Xheladini, Mahmut (41x), Fragni, Enrico (26x), Burmakin, Vladimir (26x), Iliev, Dimitar (20x), Oliveira De Mattos, Carlos Eduar (19x), Knazovcik, Ladislav (17x), Scekic, Milos (14x), Hevir, Zlatko (13x)
Ambassadeurs : Yin, Stanley (16x), De Bruycker, Bernard (13x), Markovic, Miroslav (12x), Monfa Sole, Ramon (10x), Dovzik, Juri (9x), Voyska, Margarita (9x), Syed, Tareq (9x), Poley, Vladimir (9x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2…d5 2…g6 2…d6 2…Na6
<1800 13765 97% 1% 1% 0%
1800-2200 116872 96% 2% 1% 0%
2200-2600 113200 97% 2% 0% 0%
2600+ 5605 100% 0% 0% 0%
Évolution par décennie (% des parties)
Décennie N parties 2…d5 2…g6 2…d6 2…Na6
1850s 1 100%
1860s 2 100%
1880s 21 90%
1890s 29 97% 3%
1900s 119 98% 1%
1910s 199 100%
1920s 493 99% 1%
1930s 805 99% 0%
1940s 646 99% 0%
1950s 923 98% 1%
1960s 3282 97% 2% 1%
1970s 4561 96% 3% 0% 0%
1980s 11910 97% 2% 0% 0%
1990s 50267 96% 3% 1% 0%
2000s 91231 96% 2% 1% 0%
2010s 111213 97% 2% 1% 0%
2020s 40579 98% 1% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2…d5 97% 98% ▲ +1.6%
2…g6 2% 1% ▼ -1.0%
2…d6 1% 0% -0.4%
2…Na6 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Smyslov, Vladimir — 10 parties
Euwe, Max — 10 parties
Tal, Mikhail — 10 parties
Botvinnik, Mikhail — 10 parties
Karpov, Aleksandr — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ding, Liren — 10 parties
Hou, Yifan — 10 parties
Gukesh D — 10 parties
Ju, Wenjun — 9 parties
Steinitz, Wilhelm — 1 partie
Fischer, Robert James — 1 partie
Parties historiques
2…d5 — 96.8% (306182 parties)
1858 — Cochrane, John Miles vs Somacarana — 0-1 — Calcutta IND
1864 — Zukertort, Johannes vs Lehmann Garcia, Daniel William — 1-0 — Poznan POL
1866 — Owen Louis B vs Mapes Robert — 1-0 — ?
1883 — Gunsberg, Isidor vs White, Max — 0-1 — Nuerenberg GER
1883 — Fritz, Alexander vs White, Max — 0-1 — Nuerenberg GER
2…g6 — 2.0% (6257 parties)
1961 — Kuznetsov, Viktor N vs Volovich, Anatoly — 1-0 — Moscow RUS
1964 — Walther, Edgar vs Abalos Leon, Yesel — 1-0 — Tel Aviv ISR
1964 — Filipowicz, Andrzej vs Ozsvath, Andras — 1-0 — Moscow RUS
1965 — Wang, Arthur D vs Bedford, M. — 1/2-1/2 — Berkeley, CA
1965 — Geszosz Pavlosz vs Foldi, Jozsef — 1-0 — Budapest HUN
2…d6 — 0.7% (2320 parties)
1899 — Lasker, Emanuel vs Allies, Chez-Ray — 1-0 — Moscow RUE
1905 — Robinson Alfred K vs Hanham, James — 1-0 — Cable Match
1928 — Kmoch, Hans vs Bechstedt, P — 1-0 — Giessen
1928 — Palau, Luis vs Montalban, Jose — 1-0 — Mar del Plata ARG
1928 — Von Holzhausen, Walther vs Bechstedt, P — 0-1 — Giessen
2…Na6 — 0.2% (728 parties)
1978 — Coll Davies, Tomas vs De Bruycker, Bernard — 0-1 — Londen
1978 — Huylebroeck, Roland vs De Bruycker, Bernard — 0-1 — Beker Oostvlaanderen
1978 — Stobik, Dietrich vs De Bruycker, Bernard — 1/2-1/2 — Dortmund GER
1978 — Pyrisch vs De Bruycker, Bernard — 0-1 — Londen
1978 — Henry, Paul vs De Bruycker, Bernard — 1/2-1/2 — Middlesborough (Teesside)