B47v - 8.a3 - Taimanov (1929)

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B47v — Taimanov (1929)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.O-O Nf6 8.a3
Les coups candidats
8…Be7 — 44.2% (371 parties)
Ambassadeurs : Jansa, Vlastimil (3x), Garcia Martinez, Silvino (2x), Dragasevic, Antonina (2x), Helenius, Martti (2x), Hildebrand, Katrin (2x), Kursova, Maria (2x), Pilnik, Herman (1x), De Souza Mendes, Joao (1x)
8…Nxd4 — 28.2% (237 parties)
Ambassadeurs : Matulovic, Milan (3x), Ribeiro, Regina (3x), Suetin, Alexey S (2x), Bradvarevic, Aleksandar (1x), Kostro, Jerzy (1x), Lokvenc, Josef (1x), Sliwa, Bogdan (1x), Lloyd, David E (1x)
8…b5 — 13.7% (115 parties)
Ambassadeurs : Guezennec, Franck (2x), Hjort, Helge (2x), Babadzhanov, Vladimir (1x), Mukhin, Evgeny B (1x), Bebill, H. (1x), Blackstone, John (1x), Franck, Alfons (1x), Vaitonis, Povilas (1x)
8…Bd6 — 7.6% (64 parties)
Ambassadeurs : Suetin, Alexey S (2x), Barry, Colm (2x), Buzeti, Jernej (2x), Kostro, Jerzy (1x), Milic, Borislav (1x), Bosch van Rosenthal, Edzard (1x), Olejarczyk, Bogdan (1x), Liptay, Laszlo Dr. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Be7 8…Nxd4 8…b5 8…Bd6
<1800 64 48% 17% 14% 9%
1800-2200 454 43% 27% 16% 7%
2200-2600 229 45% 35% 8% 7%
2600+ 2 50% 50% — —
Évolution par décennie (% des parties)
Décennie N parties 8…Be7 8…Nxd4 8…b5 8…Bd6
1950s 6 67% — 17% 17%
1960s 23 39% 39% 9% 13%
1970s 21 48% 38% 5% 5%
1980s 31 55% 19% 10% 10%
1990s 129 44% 23% 12% 13%
2000s 272 44% 31% 14% 6%
2010s 293 43% 28% 14% 7%
2020s 64 45% 28% 20% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Be7 43% 45% ▲ +2.7%
8…Nxd4 28% 28% -0.2%
8…b5 14% 20% ▲ +6.3%
8…Bd6 7% 3% ▼ -4.0%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
8…Be7 — 44.2% (371 parties)
1957 — Khadshipetrov, Alexander Mateev vs Bogdanov, Emil — 0-1 — Sofia BUL
1958 — Farre, Miguel vs Clarke, Peter — 1/2-1/2 — Munich GER
1959 — Pilnik, Herman vs De Souza Mendes, Joao — 1/2-1/2 — Santiago CHI
1959 — Pfleger, Helmut, Dr. vs Taegert, Hans Joachim — 1/2-1/2 — Heidenheim
1961 — Garcia Martinez, Silvino vs Jansa, Vlastimil — 0-1 — Moscow RUS
8…Nxd4 — 28.2% (237 parties)
1962 — Lokvenc, Josef vs Sliwa, Bogdan — 1-0 — Marianske Lazne
1962 — Lloyd, David E vs Stephenson, F Norman — 1-0 — Bognor Regis
1963 — Zakharov, Alexander vs Bannik, Anatolij — 1-0 — ?
1964 — Pismenny, Avraam vs Bebchuk, Evgeni — 0-1 — Moscow RUS
1964 — Zhuravlev, Nikolay. vs Buslaev, Aleksander — 1-0 — Riga LAT
8…b5 — 13.7% (115 parties)
1954 — Franck, Alfons vs Vaitonis, Povilas — 0-1 — Amsterdam NED
1960 — Bebill, H. vs Blackstone, John — 0-1 — No. CA
1968 — Babadzhanov, Vladimir vs Mukhin, Evgeny B — 1-0 — ?
1974 — Sorensen, Tage vs Hjort, Helge — 1/2-1/2 — Vejle DEN
1987 — Silveira, Flavio Marques da vs Chagas, Fernando Paulino — 1-0 — Rio de Janeiro BRA
8…Bd6 — 7.6% (64 parties)
1958 — Milic, Borislav vs Bosch van Rosenthal, Edzard — 1/2-1/2 — Beverwijk NED
1961 — Olejarczyk, Bogdan vs Liptay, Laszlo Dr. — 0-1 — Warsaw POL
1964 — Stein, Leonid vs Suetin, Alexey S — 1/2-1/2 — Moskou zt
1969 — Kostro, Jerzy vs Suetin, Alexey S — 1/2-1/2 — Tbilisi GEO
1979 — Watson, William N vs Cummings, David H. — 0-1 — Chester ch-BCF