B47s - 7.f4 - Taimanov (1957)

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B47s — Taimanov (1957)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.f4
Les coups candidats
7…b5 — 54.6% (607 parties)
Ambassadeurs : Unzicker, Ferdinand, Dr. (14x), Matulovic, Milan (13x), Kupreichik, Viktor D (12x), Quinones Borda Jorge Victor (11x), Janosevic, Dragoljub (10x), Da Silva Filho, Alcindo Luz Bastos (9x), Paunovic, Dragan (7x), Taimanov, Mark (7x)
7…Nxd4 — 20.3% (226 parties)
Ambassadeurs : Matulovic, Milan (6x), Andersson, Ulf (5x), Kupreichik, Viktor D (5x), Xie, Jun (4x), Polgar, Judit (3x), Zapata, Alonso (3x), Zwaig, Arne (2x), ? (2x)
7…d6 — 14.6% (162 parties)
Ambassadeurs : Kupreichik, Viktor D (5x), Honfi, Karoly (4x), Hennings, Artur (4x), Rajkovic, Dusan (4x), Matulovic, Milan (3x), Kurajica, Bojan (3x), Kosanovic, Goran A (3x), Robatsch, Karl (2x)
7…Bb4 — 4.6% (51 parties)
Ambassadeurs : Fischdick, Gisela (3x), Ghinda, Mihail-Viorel (2x), Liang, Jinrong (2x), Istratescu, Andrei (2x), Dely, Peter (1x), Navarovszky, Laszlo (1x), Unzicker, Ferdinand, Dr. (1x), Taimanov, Mark (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…b5 7…Nxd4 7…d6 7…Bb4
<1800 30 57% 10% 23% 7%
1800-2200 273 64% 14% 7% 5%
2200-2600 578 52% 22% 18% 5%
2600+ 7 86% 14% — —
Évolution par décennie (% des parties)
Décennie N parties 7…b5 7…Nxd4 7…d6 7…Bb4
1950s 1 — — — —
1960s 124 42% 24% 20% 2%
1970s 97 54% 14% 24% 5%
1980s 179 47% 27% 17% 4%
1990s 213 48% 23% 16% 6%
2000s 192 54% 22% 12% 7%
2010s 269 70% 12% 9% 4%
2020s 36 69% 25% 6% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…b5 70% 69% -0.1%
7…Nxd4 12% 25% ▲ +13.5%
7…d6 9% 6% ▼ -3.7%
7…Bb4 4% 0% ▼ -3.7%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 5 parties
Anand, Viswanathan — 3 parties
Parties historiques
7…b5 — 54.6% (607 parties)
1960 — Nacht, Edgar vs Troianescu, Octav — 1/2-1/2 — Bucharest ROU
1960 — Unzicker, Ferdinand, Dr. vs Mikenas, Vladas — 1-0 — Leningrad RUS
1961 — Gligoric, Sofija vs Matulovic, Milan — 1/2-1/2 — Sarajevo BIH
1962 — ? vs Silva Nazzari, Roberto — 1-0 — Varna olm
1963 — Matanovic, Anto vs O'Kelly de Galway, Alberic — 1-0 — Beverwijk NED
7…Nxd4 — 20.3% (226 parties)
1962 — Matanovic, Aleksandar vs Bukic, Enver — 1/2-1/2 — Vrnjacka Banja SRB
1962 — Bagyinszki vs Tiemann, Christoph — 0-1 — WT/M/945
1962 — Bertok, Mario Jr. vs Polugaevsky, Lev — 1/2-1/2 — Lvov UKR
1962 — Bojkovic, Slobodan vs Mihaljcisin, Mihajlo — 1-0 — Vrnjacka Banja SRB
1963 — Noradounghian, Georges vs Zinser, Sylvain — 1/2-1/2 — Paris FRA
7…d6 — 14.6% (162 parties)
1962 — Parma, Bruno vs Bukic, Enver — 1/2-1/2 — Vrnjacka Banja SRB
1962 — Noradounghian, Georges vs Pachman, Ludek — 0-1 — Varna BUL
1963 — Kerkhoff, Leo J vs Calvo Minguez, Ricardo — 0-1 — It Hamburg GER
1963 — Hecht, Hans-Joachim vs Roth, Rolf — 1-0 — It Hamburg GER
1963 — Trapl, Jindrich vs Sweig, Mitchel — 1/2-1/2 — Budva MNE
7…Bb4 — 4.6% (51 parties)
1960 — Unzicker, Ferdinand, Dr. vs Taimanov, Mark — 1/2-1/2 — Buenos Aires ARG
1963 — Parma, Bruno vs Ha Tan Thanh — 1/2-1/2 — Beverwijk NED
1966 — Dely, Peter vs Navarovszky, Laszlo — 1-0 — Budapest HUN
1972 — Hartston, William R vs Gonda, Gentaro — 1-0 — Skopje MKD
1974 — Hamilton, Douglas G vs Travers, Roy B. — 1-0 — Cooma