A57f - 4…g6 (1952)

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A57f —
1.d4 Nf6 2.c4 c5 3.d5 b5 4.Nf3 g6
Les coups candidats
Ambassadeurs : Sorin, Ariel (18x), Plachetka, Jan (15x), Huss, Andreas (13x), Degterev, Pavel (11x), Suwara, Kazimierz (11x), Hodgson, Julian M (10x), Bernal Varela, Nelson (10x), Nemet, Ivan (9x)
5.Qc2 — 18.5% (1015 parties)
Ambassadeurs : Priehoda, Vitezslav (9x), Hoang, Thanh Trang (7x), Gual Pascual, Antonio (7x), Jedlicka, Ales (7x), Szabolcsi, Janos (7x), Vegh, Endre (6x), Finegold, Benjamin (6x), Krueger, Erich (5x)
5.a4 — 5.7% (314 parties)
Ambassadeurs : Hebden, Mark L (4x), Van Riemsdijk, Herman C. (4x), Nikolaidis, Konstantinos NA (4x), Voscilla, Adriano (3x), Gurevich, Dmitry (3x), Ferreira Da Silva, Nicholas (3x), Drozdovskij, Yuri (3x), Conquest, Stuart C (2x)
5.Nbd2 — 4.6% (250 parties)
Ambassadeurs : Tunik, Gennady (4x), Nielsen, Thomas Bach (3x), Groszpeter, Attila (3x), Alber, Horst (3x), Korchut, Adam (3x), Striepens, Benedikt (2x), Popov, Vladimir L. (2x), Hartvig, Ove Weiss (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.cxb5 5.Qc2 5.a4 5.Nbd2
<1800 302 66% 12% 3% 3%
1800-2200 2250 63% 18% 5% 4%
2200-2600 2311 62% 21% 7% 5%
2600+ 31 77% 23% — —
Évolution par décennie (% des parties)
Décennie N parties 5.cxb5 5.Qc2 5.a4 5.Nbd2
1950s 1 — 100% — —
1960s 3 33% — — —
1970s 49 71% 4% 14% —
1980s 448 62% 16% 11% 5%
1990s 1363 59% 19% 9% 6%
2000s 1897 63% 19% 5% 5%
2010s 1455 68% 18% 3% 3%
2020s 257 59% 23% 3% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.cxb5 68% 59% ▼ -8.9%
5.Qc2 18% 23% ▲ +4.9%
5.a4 3% 3% ▲ +0.5%
5.Nbd2 3% 5% ▲ +2.2%
Joueurs célèbres
Champions du monde dans cette position
Ding, Liren — 3 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
5.cxb5 — 62.7% (3433 parties)
1961 — Sokolov, Vladimir vs Mihaljcisin, Mihajlo — 0-1 — Zagreb CRO
1970 — Doda, Zbigniew vs Witkowski, Stefan — 0-1 — Poland
1970 — Torre, Eugenio vs Thomsen, Torbjorn — 0-1 — ?
1970 — Camara, Hamady vs Hook, William — 1-0 — Siegen olm
1971 — Sutmuller, Jos vs Slisser, Theo — 1/2-1/2 — Eindhoven-Bussum
5.Qc2 — 18.5% (1015 parties)
1952 — Litmanowicz, Wladyslaw vs Witkowski, Stefan — 1-0 — Katowice POL
1975 — Pachman, Ludek vs Kraidman, Yair — 0-1 — Netanya ISR
1976 — Pachman, Ludek vs Ludgate, Alan — 1-0 — Haifa olm
1980 — Gurieli, Nino vs Gaprindashvili, Nona — 0-1 — Tbilisi GEO
1980 — Pachman, Ludek vs Mueller, Georg — 1-0 — Hamburg GER
5.a4 — 5.7% (314 parties)
1972 — Mititelu, Gheorghe vs Ghizdavu, Dumitru — 1/2-1/2 — Bucharest ROU
1975 — Emma, Jaime vs Van Riemsdijk, Herman C. — 0-1 — Fortaleza BRA
1975 — Ribbegren, CJ. vs Fedorowicz, John — 1-0 — Sandefjord
1977 — Muender, Michael vs Webb, Simon — 0-1 — Hamburg GER
1978 — Diesen, Mark C vs Markovic, Dusan — 1-0 — Odzaci
5.Nbd2 — 4.6% (250 parties)
1980 — Kunsztowicz, Uwe vs Giorgadze, Tamaz — 0-1 — Hamburg GER
1981 — Keene, Raymond D vs Pytel, Krzysztof — 1-0 — Manchester ENG
1982 — Groszpeter, Attila vs Popov, Luben — 0-1 — Plovdiv BUL
1982 — Groszpeter, Attila vs Popov, Vladimir L. — 0-1 — Plovdiv BUL
1982 — Groszpeter, Attila vs Popov, Vladimir L. — 0-1 — Plovdiv BUL