B96f - 7…Qc7 - Najdorf (1937)

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B96f — Najdorf (1937)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qc7
Les coups candidats
Ambassadeurs : Lahdenmaki, Leo (25x), Rashkovsky, Nukhim N (16x), Barbu, George-Viorel (15x), Griffiths, Peter C (9x), Yudasin, Leonid (9x), Kordts, Wolfgang (9x), Domanov, Dmitry (8x), Kopylov, Igor A (7x)
Ambassadeurs : Lahdenmaki, Leo (18x), Erdogdu, Aziz Mert (10x), Andriasian, Zaven (9x), Sieciechowicz, Marcin (8x), Muhl, Patrick (8x), Groszpeter, Attila (6x), Sorcinelli, Andrea (6x), Gopal G.N. (5x)
8.Qe2 — 5.4% (252 parties)
Ambassadeurs : Luther, Thomas (4x), Cerveny, Martin (4x), Zhelnin, Vladimir V (3x), Ibrahimli, Murad (3x), Iniyan, Pa (3x), Senzacqua, Fabrizio (3x), Raja Harshit (3x), Tukmakov, Vladimir B (2x)
8.Bd3 — 2.4% (115 parties)
Ambassadeurs : Rashkovsky, Nukhim N (3x), Balashov, Yuri (2x), Gruenfeld, Yehuda (2x), Clement, Paul (2x), Katalymov, Boris (2x), Ljubicic, Leonardo (2x), Reeve, Jeff (2x), Bromberger, Stefan (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Qf3 8.Bxf6 8.Qe2 8.Bd3
<1800 196 62% 29% 4% 2%
1800-2200 1859 61% 30% 4% 2%
2200-2600 1992 51% 36% 8% 3%
2600+ 81 23% 64% 9% 4%
Évolution par décennie (% des parties)
Décennie N parties 8.Qf3 8.Bxf6 8.Qe2 8.Bd3
1950s 27 93% 7% — —
1960s 49 69% 14% 8% 4%
1970s 122 65% 18% 7% 8%
1980s 176 66% 18% 6% 6%
1990s 710 70% 20% 4% 4%
2000s 1942 60% 33% 2% 3%
2010s 1497 44% 42% 10% 1%
2020s 184 48% 38% 12% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Qf3 44% 48% ▲ +3.6%
8.Bxf6 42% 38% ▼ -4.2%
8.Qe2 10% 12% ▲ +2.5%
8.Bd3 1% 0% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Tal, Mikhail — 6 parties
Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Hou, Yifan — 2 parties
Ju, Wenjun — 2 parties
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie
Parties historiques
8.Qf3 — 56.7% (2668 parties)
1955 — Horberg, Bengt-Eric vs Stahlberg, Gideon — 1-0 — Stockholm SWE
1955 — Keres, Paul vs Stahlberg, Gideon — 0-1 — Goteborg izt
1955 — Keres, Paul Petrovich vs Stahlberg, Gideon — 0-1 — 17, Goteborg ct
1955 — Fuderer, Andrija vs Panno, Oscar — 1/2-1/2 — Goteborg izt
1955 — Rabar, Braslav vs Miguel, Nahuel — 1-0 — Goteborg izt
8.Bxf6 — 32.7% (1540 parties)
1956 — Werner, Patrick vs Sauermann, Wilfried — 0-1 — corr FRG cup
1957 — Zacharias, Joseph Z vs Aperador Rubio, Ricardo — 0-1 — Sao Paulo BRA
1960 — Hamann, Svend vs Kolvig, Bent — 1-0 — Copenhagen DEN
1961 — Vaskan, Uldis vs Zakharov, A. B. — 0-1 — USSR
1961 — Westman, Jan Erik vs Jakobsen, Ole — 0-1 — Helsinki FIN
8.Qe2 — 5.4% (252 parties)
1964 — Bhend, Edwin vs Bednarski, Jacek — 1/2-1/2 — Kecskemet HUN
1966 — Tukmakov, Vladimir B vs Rashkovsky, Nukhim N — 1-0 — USSR
1967 — Bronstein, Luis Marcos vs Cagliero, Hugo — 1-0 — Cordoba ARG
1968 — Gerasimov, N vs Kaminskij, Sergej — 0-1 — ?
1970 — Karasev, Vladimir vs Balashov, Yuri — 0-1 — Riga ch-URS
8.Bd3 — 2.4% (115 parties)
1966 — Gufeld, Eduard vs Dubinsky, Alexander — 1-0 — Soviet Union
1969 — Tal, Mikhail vs Balashov, Yuri — 0-1 — Moskou ch-URS
1973 — ? vs Ghizdavu, Dumitru — 1/2-1/2 — Poiana Brasov tt
1973 — Savon, Vladimir vs Rashkovsky, Nukhim N — 1/2-1/2 — Moskou ch-URS
1973 — Spassky, Boris Vasily vs Rashkovsky, Nukhim N — 1-0 — Moscow RUS