B49d - 8…b5 - Taimanov (1909)

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B49d — Taimanov (1909)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 Nf6 8.a3 b5
Les coups candidats
9.O-O — 39.9% (304 parties)
Ambassadeurs : Vitolinsh, Alvis (2x), Kurajica, Bojan (2x), Lupu, Smaranda B. (2x), Abul, Qasem (2x), Gomulka, Jaroslaw (2x), Fecker, Noah (2x), Lianes Garcia, Marcos (2x), Lopez Garcia, Juan Antonio (1x)
9.Nxc6 — 36.7% (279 parties)
Ambassadeurs : Bindrich, Falko (3x), Andrijevic, Milan (3x), Baramidze, David (3x), Moehn, Hans (3x), Socko, Bartosz (3x), Inarkiev, Ernesto (3x), Cichy, Michael, Dr. (3x), Sofrevski, Jovan (2x)
9.f4 — 15.1% (115 parties)
Ambassadeurs : Nezhmetdinov, Rashid (3x), Gaprindashvili, Nona (2x), Vladimirov, Boris (1x), Vladimirov, Boris T (1x), Karakas, Evrim (1x), Zvorykina, Kira (1x), Marcussi, Bartolome J (1x), Casas Perea, Fernando (1x)
9.f3 — 2.9% (22 parties)
Ambassadeurs : Schrevens, Birger (1x), Djukic, Nikola (1x), Vavrak, Jozef (1x), Mandak, Miroslav (1x), Mourouti, Paraskevi (1x), Stiri, Alexandra (1x), Figueroa Alvarez, Roberto Carlos (1x), Barbosa, Harper (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.O-O 9.Nxc6 9.f4 9.f3
<1800 53 55% 19% 6% 6%
1800-2200 366 46% 30% 16% 3%
2200-2600 243 28% 54% 14% 2%
2600+ 5 — 100% — —
Évolution par décennie (% des parties)
Décennie N parties 9.O-O 9.Nxc6 9.f4 9.f3
1950s 7 29% — 71% —
1960s 35 17% 46% 31% —
1970s 9 22% 56% 22% —
1980s 9 56% 44% — —
1990s 77 45% 27% 18% 3%
2000s 246 41% 35% 14% 4%
2010s 298 38% 40% 15% 3%
2020s 80 49% 38% 6% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.O-O 38% 49% ▲ +10.8%
9.Nxc6 40% 38% ▼ -2.1%
9.f4 15% 6% ▼ -8.5%
9.f3 3% 1% ▼ -2.1%
Parties historiques
9.O-O — 39.9% (304 parties)
1957 — Gurfinkel, I. vs Zvorykina, Kira Alekseyevna — 0-1 — Vilnius ch19-SU
1959 — Kutianin, Yuri vs Salov, Sergej — 1/2-1/2 — ?
1962 — Lopez Garcia, Juan Antonio vs Elemberg, Norberto — 0-1 — Montevideo URU
1963 — Vitolinsh, Alvis vs Kurajica, Bojan — 1-0 — Rijeka tt
1963 — Vitolinsh, Alvis vs Kurajica, Bojan — 1-0 — USSR-YUG
9.Nxc6 — 36.7% (279 parties)
1960 — Puc, Stojan vs Sofrevski, Jovan — 1-0 — Ljubljana
1960 — Honfi, Karoly vs Sofrevski, Jovan — 1-0 — Balatonfured
1960 — Secchi, Eduardo vs Bazan, Osvaldo — 1-0 — Cordoba ARG
1961 — Paoli, Enrico vs Lokvenc, Josef — 1/2-1/2 — Debrecen HUN
1962 — Sitiriche, Jaime vs Rivera, Daniel — 1/2-1/2 — San Juan ch PUR
9.f4 — 15.1% (115 parties)
1958 — Nezhmetdinov, Rashid vs Makarow, Alexander — 1-0 — Rostov on Don
1958 — Zurakhov, Vladlen Y vs Makarov, Andrei — 0-1 — ?
1959 — Bilunova, Rimma I vs Gaprindashvili, Nona — 0-1 — Moscow RUS
1959 — Kazmin, Denis vs Gaprindashvili, Nona — 0-1 — Moscow RUS
1959 — Keres, Paul Petrovich vs Olafsson, Fridrik — 1-0 — Bled/Zagreb/Belgrade
9.f3 — 2.9% (22 parties)
1996 — Schrevens, Birger vs Djukic, Nikola — 0-1 — Rimavska Sobota Ych-Eu b1
1997 — Vavrak, Jozef vs Mandak, Miroslav — 0-1 — Bratislava SVK
2000 — Mourouti, Paraskevi vs Stiri, Alexandra — 0-1 — Athens GRE
2000 — Figueroa Alvarez, Roberto Carlos vs Barbosa, Harper — 0-1 — ?
2006 — Rodriguez, Teodoro vs Lalic, Bogdan — 0-1 — Porrentruy