B27t - 2…g6 3.d4 Bg7 4.Nc3 - Accelerated Pterodactyl

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B27t — Accelerated Pterodactyl
1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.Nc3
Eval: [+0.18]
Les coups candidats
4…cxd4 — 79.7% (4469 parties)
Ambassadeurs : Vesselovsky, Serguei (30x), Forintos, Gyozo V (21x), Ekebjaerg, Ove (17x), Kislinsky, Alexey (17x), Hoffman, Alejandro (17x), Leon Hoyos, Manuel (14x), Wojtkiewicz, Aleksander (11x), Walentukiewicz, Michal (11x)
4…Qa5 — 13.8% (775 parties)
Ambassadeurs : Kaposztas, Miklos (47x), Bilek, Istvan (27x), Gutierrez Herrera, Jose Antonio (14x), Donko, Matyas (14x), Jakab, Attila (14x), Filipowicz, Andrzej (13x), Krizsan-Bilek, Gyulane (10x), Bangiev, Alexander (10x)
4…Nc6 — 4.9% (275 parties)
Ambassadeurs : Haase, Wolfgang (6x), Adamski, Jan (4x), Bilek, Istvan (4x), Letelier Martner, Rene (4x), Hellwege, Werner (4x), Kuich, Gero (4x), Saulin, Dmitri (4x), Wahjuwidajat, Utut Adianto (3x)
4…b6 — 0.6% (31 parties)
Ambassadeurs : Golyak, Isay G (2x), Gandolfi, Fred (2x), Archakova, Galina (1x), Krizsan-Bilek, Gyulane (1x), Ostojic, Predrag (1x), Vyslouzil, A. (1x), Grassi, Mario (1x), Paoli, Enrico (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…cxd4 4…Qa5 4…Nc6 4…b6
<1800 188 85% 8% 5% 1%
1800-2200 2178 81% 12% 5% 1%
2200-2600 2014 82% 14% 3% 0%
2600+ 25 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 4…cxd4 4…Qa5 4…Nc6 4…b6
1880s 1 100% — — —
1890s 2 100% — — —
1900s 3 100% — — —
1920s 1 100% — — —
1940s 1 100% — — —
1950s 13 46% 8% 31% 8%
1960s 300 63% 24% 12% 1%
1970s 219 67% 24% 6% 1%
1980s 212 73% 21% 3% 1%
1990s 823 76% 15% 6% 1%
2000s 1805 82% 13% 5% 0%
2010s 1954 84% 11% 4% 0%
2020s 274 85% 10% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…cxd4 84% 85% ▲ +1.4%
4…Qa5 11% 10% ▼ -1.6%
4…Nc6 4% 3% ▼ -0.6%
4…b6 0% 1% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 3 parties
Tal, Mikhail — 2 parties
Carlsen, Magnus — 2 parties
Steinitz, Wilhelm — 1 partie
Botvinnik, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
4…cxd4 — 79.7% (4469 parties)
1887 — Noa, Joseph vs Von Gottschall, Hermann — 1-0 — Frankfurt GER
1894 — Steinitz, Wilhelm vs Hymes, Edward — 1/2-1/2 — Newark, NJ USA
1899 — Schlechter, Carl vs Bird, Henry — 1-0 — London ENG
1903 — Smith, Magnus vs Bruce, AW. — 1-0 — Winnipeg CAN
1905 — Schelfhout, Willem vs Blackburne, Joseph — 1-0 — Ostende
4…Qa5 — 13.8% (775 parties)
1959 — Bilek, Istvan vs Haag, Ervin — 1/2-1/2 — HUN-ch Budapest HUN
1961 — Szabo, Ladislav vs Haag, Ervin — 1/2-1/2 — Budapest ch-HUN
1961 — Reicher, Emanoil-George vs Drimer, Dolfi — 1/2-1/2 — Romania
1961 — Contedini, Ennio vs Haag, Ervin — 0-1 — Reggio Emilia ITA
1961 — Gunsberger, Alexander vs Soos, Bela — 1/2-1/2 — Romania
4…Nc6 — 4.9% (275 parties)
1954 — Ivkov, Borislav vs Damljanovic, Milos — 1-0 — YUG ch sf
1958 — Estrin, Yakov vs Prokhorovich, Taras E — 1-0 — Moscow RUS
1959 — Tal, Mikhail vs Fischer, Robert J — 1/2-1/2 — Bled/Zagreb/Belgrade
1959 — Nyikityin vs Bilek, Istvan — 0-1 — Budapest HUN
1960 — De Souza Mendes, Joao vs Gadia, Olicio — 1/2-1/2 — Fortaleza BRA
4…b6 — 0.6% (31 parties)
1957 — Grassi, Mario vs Paoli, Enrico — 1-0 — Reggio Emilia ch ITA
1962 — Archakova, Galina vs Krizsan-Bilek, Gyulane — 1-0 — Minsk BLR
1968 — Ostojic, Predrag vs Vyslouzil, A. — 1-0 — Wijk aan Zee II
1972 — Packroff, Hermann vs Pape, Manfred — 1/2-1/2 — Leipzig GER
1976 — Bergstrom, Christer vs Hickl, Thomas — 1/2-1/2 — Bremen GER