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B23c — Closed (1928)
1.e4 c5 2.Nc3 d6
Les coups candidats
Ambassadeurs : Mitkov, Nikola (48x), Lyell, Mark (45x), Gelfand, Boris (26x), Macieja, Bartlomiej (24x), Koronowski, Heinz-Juergen (23x), Gdanski, Jacek (23x), Short, Nigel D (18x), Gutman, Lev (16x)
Ambassadeurs : ? (18x), Detela, Walter (15x), Koubek, Vaclav (14x), Bartsch, Berthold (13x), Parkanyi, Attila (12x), Spassky, Boris V. (11x), Sammalvuo, Tapani (11x), Clares Huanca, Danner Saed (10x)
Ambassadeurs : Guseinov, Gadir (18x), Szerlak, Andrzej (12x), Kupreichik, Viktor D (9x), Movsesian, Sergei (9x), Adams, Michael (8x), Kalashian, David (8x), Gelfand, Boris (7x), Staf, Gunnar (7x)
Ambassadeurs : Nekhaev, Andrey Ivanovich (52x), Pirs, Matjaz (18x), Vallejo Pons, Francisco (17x), Tiviakov, Sergei (16x), Kahl, Fred (16x), Leiro Giralt, Daniel (14x), Mortensen, Erling (12x), Vogt, Lothar (12x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.f4 3.g3 3.Nf3 3.Nge2
<1800 3824 37% 30% 11% 3%
1800-2200 15234 38% 35% 8% 6%
2200-2600 10090 36% 22% 12% 16%
2600+ 495 29% 7% 10% 29%
Évolution par décennie (% des parties)
Décennie N parties 3.f4 3.g3 3.Nf3 3.Nge2
1950s 92 9% 61% 8% 11%
1960s 218 18% 53% 9% 10%
1970s 584 28% 46% 13% 7%
1980s 943 27% 45% 9% 14%
1990s 5209 32% 41% 10% 7%
2000s 10673 37% 35% 12% 6%
2010s 12467 40% 26% 10% 10%
2020s 5246 29% 17% 10% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.f4 40% 29% ▼ -10.6%
3.g3 26% 17% ▼ -9.5%
3.Nf3 10% 10% -0.3%
3.Nge2 10% 11% +0.3%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Kasparov, Garry — 9 parties
Ju, Wenjun — 6 parties
Tal, Mikhail — 5 parties
Karpov, Anatoly — 4 parties
Kramnik, Vladimir — 3 parties
Ding, Liren — 2 parties
Gukesh D — 2 parties
Smyslov, Vladimir — 1 partie
Parties historiques
3.f4 — 35.5% (12585 parties)
1953 — Reseli, Bela vs Maricic, Ivan — 0-1 — ?
1954 — Reseli vs Maricic, Arijan — 0-1 — corr ch-YUG
1955 — Schuster, Thomas vs Stachowitz, Rolf — 1/2-1/2 — Hoechst ch-GER
1956 — Hostinsky, Zdenek vs Daveronis, Josef — 1/2-1/2 — Chomutov
1957 — Wolk, Sigmund vs Darga, Klaus — 1/2-1/2 — FRG-ch Bad Neuenahr
3.g3 — 30.6% (10833 parties)
1950 — Bykova, Elizaveta vs Mora, Maria Teresa — 1/2-1/2 — Moscow RUS
1950 — Kauder, Hartmut vs Mueller, Claus — 1/2-1/2 — Soemmerda ch GDR
1950 — Palda, Karl vs Pinzon Solis, Felipe — 1/2-1/2 — Dubrovnik olm
1950 — Rossetto, Hector vs Sanguinetti, Ricardo — 0-1 — Mar del Plata ARG
1950 — Platz, Hans vs Mueller, Claus — 1-0 — Soemmerda GER
3.Nf3 — 10.6% (3764 parties)
1950 — Rapaka Samuel Paul vs Dygert, Bert — 0-1 — Springfield,MA simul
1950 — Karastoichev, Emil vs Neikirkh, Oleg — 0-1 — Sofia BUL
1951 — Grob, Henry vs Paoli, Enrico — 1/2-1/2 — Bad Pyrmont GER
1953 — Ursell, P. vs Kondani Watson — 1-0 — Bognor Regis
1954 — Olafsson, Fridrik vs Palmason, Gudmundur — 1-0 — Praag zt
3.Nge2 — 8.5% (3024 parties)
1951 — Bertok, Mario Jr. vs Puc, Stojan — 1-0 — Ljubljana
1952 — Kucera, Jan vs Parak, Frantisek — 0-1 — Tatranska ch CZE
1952 — Fichtl, Jiri vs Filip, Miroslav — 0-1 — Tatranska ch CZE
1953 — Fichtl, Jiri vs Filip, Miroslav — 1-0 — Prague CZE
1953 — Vesely, Jiri vs Filip, Miroslav — 1/2-1/2 — Prague CZE