B48d - 6…a6 7.a3 - Taimanov

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B48d —
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.a3
Eval: [+0.30]
Les coups candidats
7…Nf6 — 55.4% (1491 parties)
Ambassadeurs : Da Silva Filho, Alcindo Luz Bastos (8x), Chigaev, Maksim (6x), Savchenko, Boris (5x), Olafsson, Fridrik (4x), Maedler, Juergen, Dr. (4x), Honfi, K. (4x), Rolj, Petar (4x), Zarubitski, Viachaslau (4x)
7…b5 — 40.4% (1088 parties)
Ambassadeurs : Kezin, Roman (8x), Taimanov, Mark (7x), Paoli, Enrico (6x), Darga, Klaus (6x), Suetin, Alexey S (6x), Gavrilescu, David (6x), Khripachenko, Alexander (6x), Gipslis, Aivars (5x)
7…Be7 — 1.7% (46 parties)
Ambassadeurs : Cvak, Rudolf (4x), Wagner, Richard (3x), Harikrishna, Pentala (2x), Forgacs, Attila Jr. (2x), Horvath, Adam (2x), Olson, Anton (1x), Lowenborg, Otto (1x), Deken, Richard (1x)
7…d6 — 0.8% (21 parties)
Ambassadeurs : Hamann, Svend (1x), Andersen, Borge (1x), Abalde Perez, Fernando Jose (1x), Van de Pol, Jan (1x), Larsen, Arne G (1x), Petersen, Bent Westergaard (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 112 79% 18% — —
1800-2200 927 65% 31% 1% 1%
2200-2600 1128 45% 52% 2% 1%
2600+ 55 24% 67% 5% —
Évolution par décennie (% des parties)
Décennie N parties 7…Nf6 7…b5 7…Be7 7…d6
1910s 1 — — 100% —
1920s 2 50% 50% — —
1940s 1 100% — — —
1950s 8 75% 12% — —
1960s 171 41% 53% — 1%
1970s 35 66% 26% — 3%
1980s 35 54% 40% — —
1990s 175 67% 29% 1% 1%
2000s 421 76% 19% — 1%
2010s 984 62% 34% 3% 1%
2020s 859 38% 59% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nf6 62% 38% ▼ -24.4%
7…b5 34% 59% ▲ +25.3%
7…Be7 3% 2% ▼ -0.8%
7…d6 1% 1% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 5 parties
Carlsen, Magnus — 4 parties
Alekhine, Alexander — 1 partie
Botvinnik, Mikhail — 1 partie
Ding, Liren — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie
Parties historiques
7…Nf6 — 55.4% (1491 parties)
1921 — Cernovsky, Akonzult vs Spielmann, Rudolf — 1-0 — Moravska Ostrava
1943 — Alekhine, Alexander vs Jan Cihel — 1-0 — Melnik
1958 — Zurakhov, Vladlen Y vs Makarov, Andrei — 0-1 — Kiev UKR
1958 — Nezhmetdinov, Rashid vs Makarow, Alexander — 1-0 — Rostov on Don
1959 — Kutianin, Yuri vs Salov, Sergej — 1/2-1/2 — ?
7…b5 — 40.4% (1088 parties)
1920 — Olsson, Anton vs Sjoberg, Victor — 1-0 — Goteborg SWE
1959 — Szabolcsi, Janos vs Taimanov, Mark — 1/2-1/2 — Dresden GER
1960 — Bredwood, Nathanael vs Taimanov, Mark — 0-1 — ?
1961 — Milic, Bozidar vs Damjanovic, Marko — 1-0 — Sarajevo BIH
1961 — Haag Vetter, Michael Harry vs Suetin, Alexey S — 0-1 — Debrecen HUN
7…Be7 — 1.7% (46 parties)
1919 — Olson, Anton vs Lowenborg, Otto — 1/2-1/2 — Gothenborg
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
7…d6 — 0.8% (21 parties)
1961 — Abalde Perez, Fernando 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 Petersen, Bent Westergaard — 1-0 — ?
1991 — Vilar Lopez, Monica vs Teran Alvarez, Ismael — 1-0 — Lleida
2002 — Sigfusson, Sigurdur vs Comas Fabrego, Lluis — 1-0 — Barcelona ESP