B48d - 7.a3 - Taimanov (1959)

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B48d — Taimanov (1959)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.a3
Les coups candidats
7…Nf6 — 54.6% (1581 parties)
Ambassadeurs : Da Silva Filho, Alcindo Luz Bastos (10x), Savchenko, Boris (5x), Chigaev, Maksim (5x), Maedler, Juergen, Dr. (4x), Olafsson, Fridrik (4x), Honfi, Karoly (4x), Tal, Mikhail (4x), Hindle, Owen M (3x)
7…b5 — 41.2% (1194 parties)
Ambassadeurs : Kezin, Roman (8x), Taimanov, Mark (7x), Quinones Borda Jorge Victor (7x), Paoli, Enrico (6x), Suetin, Alexey S (6x), Darga, Klaus (5x), Babula, Vlastimil (5x), Bracker, Frank (5x)
7…Be7 — 1.6% (47 parties)
Ambassadeurs : Chylik, Rudolf (4x), Wagner, Richard (3x), Harikrishna, Pentala (2x), Geher, Koppany (2x), Karacsonyi, Gellert (2x), Deken, Richard (1x), Boeij, Steven (1x), Qasem, Huda (1x)
7…d6 — 0.7% (21 parties)
Ambassadeurs : Hamann, Svend (1x), Andersen, Borge (1x), Perez Perez, Francisco Jose (1x), Van de Pol, Jan (1x), Larsen, Arne G (1x), Andersen, Peter Vestergaard (1x), Vilar Lopez, Monica (1x), Teran Alvarez, Ismael (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nf6 7…b5 7…Be7 7…d6
<1800 226 77% 19% 1% 0%
1800-2200 1182 63% 34% 2% 1%
2200-2600 1098 42% 54% 1% 1%
2600+ 51 25% 63% 6% —
Évolution par décennie (% des parties)
Décennie N parties 7…Nf6 7…b5 7…Be7 7…d6
1950s 8 75% 12% — —
1960s 171 42% 52% — 1%
1970s 35 66% 26% — 3%
1980s 35 54% 40% — —
1990s 175 67% 29% 1% 1%
2000s 425 76% 20% — 1%
2010s 998 62% 34% 3% 1%
2020s 1049 38% 58% 2% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nf6 62% 38% ▼ -24.0%
7…b5 34% 58% ▲ +24.6%
7…Be7 3% 2% ▼ -0.9%
7…d6 1% 0% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 6 parties
Carlsen, Magnus — 4 parties
Botvinnik, Mikhail — 1 partie
Ding, Liren — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie
Parties historiques
7…Nf6 — 54.6% (1581 parties)
1958 — Nezhmetdinov, Rashid vs Makarow, Alexander — 1-0 — Rostov on Don
1958 — Zurakhov, Vladlen Y vs Makarov, Andrei — 0-1 — ?
1959 — Nezhmetdinov, Rashid vs Tal, Mikhail — 0-1 — Tbilisi ch-URS
1959 — Keres, Paul Petrovich vs Olafsson, Fridrik — 1-0 — Bled/Zagreb/Belgrade
1959 — Kutianin, Yuri vs Salov, Sergej — 1/2-1/2 — ?
7…b5 — 41.2% (1194 parties)
1959 — Szabolcsi, Janos vs Taimanov, Mark — 1/2-1/2 — Dresden GER
1960 — Bredwood, Nathanael vs Taimanov, Mark — 0-1 — ?
1961 — Haag, Ervin vs Suetin, Alexey S — 0-1 — Debrecen HUN
1961 — Bronstein, David I vs Taimanov, Mark — 1-0 — Baku ch-URS
1961 — Bronstein, David I vs Taimanov, Mark — 1-0 — Baku AZE
7…Be7 — 1.6% (47 parties)
1992 — Deken, Richard vs Boeij, Steven — 0-1 — ACCOM
2014 — Qasem, Huda vs Zhu, Evelyn — 0-1 — Durban
2015 — Kuzmin, Evgeny Sergeevich vs Bunk, Wolfgang — 0-1 — ICCF
2016 — Carlsen, Magnus vs Harikrishna, Pentala — 1-0 — Stavanger NOR
2017 — Václav, Juraj vs Chylik, Rudolf — 1/2-1/2 — ICCF
7…d6 — 0.7% (21 parties)
1961 — Perez Perez, Francisco Jose vs Van de Pol, Jan — 1-0 — Utrecht NED
1963 — Hamann, Svend vs Andersen, Borge — 0-1 — Odense DEN
1974 — Larsen, Arne G vs Andersen, Peter Vestergaard — 1-0 — ?
1991 — Vilar Lopez, Monica vs Teran Alvarez, Ismael — 1-0 — Lleida
2002 — Sigfusson, Sigurdur vs Comas Fabrego, Lluis — 1-0 — Barcelona ESP