B49e - 7…Nf6 8.a3 Be7 - Taimanov (1962)

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B49e — Taimanov
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 Nf6 8.a3 Be7
Les coups candidats
Ambassadeurs : Tal, Mikhail (4x), Maedler, Juergen, Dr. (4x), Zhang, Henry (4x), Matulovic, Milan (3x), Huynh Lam Binh Nguyen (3x), Alekhine, Alexander (2x), Liberzon, Vladimir M (2x), Caglieri, Osvaldo (2x)
9.f4 — 28.2% (405 parties)
Ambassadeurs : Hirneise, Tobias (6x), Blehm, Pawel (4x), Koepke, Christian (4x), Schoene, Maria (4x), Bellahcene, Bilel (4x), Jansa, Vlastimil (3x), Socko, Bartosz (3x), Melamed, Tatjana (3x)
9.Qd2 — 10.1% (145 parties)
Ambassadeurs : Krausser Hans (2x), Herzog, Klaus (2x), Pogorelov, Ruslan (2x), Soponyai, Andras (2x), Monteiro Rodrigues, Carlos (2x), Camino Carrio, Nicanor (2x), El Ters, Antouan (1x), Estrada, Walter (1x)
9.g4 — 2.3% (33 parties)
Ambassadeurs : Salazar Loor, Sara (2x), Gershnik, Anna (1x), Khurtsidze, Nino (1x), Vydeslaver, Alik (1x), Tunik, Gennady (1x), Puroila, Sippo (1x), Dannehr, Juergen (1x), Oldach, Ehrenfried (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.O-O 9.f4 9.Qd2 9.g4
<1800 93 68% 10% 22% 1%
1800-2200 576 66% 19% 11% 2%
2200-2600 460 41% 52% 3% 3%
2600+ 12 25% 58% 17% —
Évolution par décennie (% des parties)
Décennie N parties 9.O-O 9.f4 9.Qd2 9.g4
1880s 1 100% — — —
1920s 5 100% — — —
1940s 1 100% — — —
1950s 2 100% — — —
1960s 60 68% 30% — —
1970s 34 59% 29% 9% —
1980s 26 58% 31% 8% —
1990s 158 68% 18% 9% 2%
2000s 385 57% 27% 12% 2%
2010s 611 53% 32% 11% 3%
2020s 153 61% 25% 8% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.O-O 53% 61% ▲ +7.8%
9.f4 32% 25% ▼ -6.6%
9.Qd2 11% 8% ▼ -2.6%
9.g4 3% 3% +0.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 5 parties
Alekhine, Alexander — 2 parties
Botvinnik, Mikhail — 2 parties
Parties historiques
9.O-O — 57.9% (831 parties)
1886 — Van Foreest, Arnold vs Messemaker, Christiaan — 1/2-1/2 — Utrecht NED
1921 — Cernovsky, Akonzult vs Spielmann, Rudolf — 1-0 — Moravska Ostrava
1922 — Cenni, Giovanni vs Voellmy, Erwin — 1-0 — Milan ITA
1923 — Marotti, Davide vs Vecsey, Zoltan — 1/2-1/2 — Trieste
1926 — Von Holzhausen, Walther vs Antze, Oskar — 1-0 — Hannover GER
9.f4 — 28.2% (405 parties)
1962 — Opocensky, Karel vs Jansa, Vlastimil — 0-1 — Jablonec
1962 — Opocensky, Karel vs Kupka, Slavoj — 1/2-1/2 — Jablonec
1962 — Korchnoi, Viktor vs Khodos, German — 1/2-1/2 — Erevan ch-URS
1962 — Mednis, Edmar J vs Benko, Pal — 1/2-1/2 — New York, NY USA
1963 — Augustin, Josef vs Jansa, Vlastimil — 0-1 — Telnice/Usti
9.Qd2 — 10.1% (145 parties)
1973 — Kuyindzhi, Alexander A vs Averkin, Orest — 1/2-1/2 — Frunze sf ch-URS
1974 — Edwards Thaiso vs Weinstein, Norman — 0-1 — Las Vegas, NV USA
1976 — Ferrer-Lucas, Pepita vs Terry Cuellar, Luis Antonio — 1-0 — Haifa ISR
1981 — Heinatz, Gundula, Dr. vs Jahn, Constanze — 0-1 — Ilmenau
1982 — El Ters, Antouan vs Estrada, Walter — 0-1 — Montevideo URU
9.g4 — 2.3% (33 parties)
1990 — Puroila, Sippo vs Dannehr, Juergen — 0-1 — ?
1995 — Gershnik, Anna vs Khurtsidze, Nino — 0-1 — Halle GER
1996 — Vydeslaver, Alik vs Tunik, Gennady — 1/2-1/2 — Beer Sheba ISR
2004 — Oldach, Ehrenfried vs Schoschies, Claus Peter — 1/2-1/2 — Mecklenburg VP
2006 — Salazar Loor, Sara vs Osorio Pando, Intinusta — 1-0 — Cuenca