B96i - 8…Qc7 - Najdorf (1964)

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B96i — Najdorf (1964)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nbd7 8.Qe2 Qc7
Les coups candidats
9.O-O-O — 95.0% (1284 parties)
Ambassadeurs : Sherwood, Russell (16x), Sherwood, Helen (16x), Guseinov, Gadir (9x), Simmelink, Joop Theo (8x), Chylik, Rudolf (8x), Avotins, Maigonis (7x), Gerasimov, Vladimir Nikolaevich (7x), Evtushenko, Sergey Aleksandrovich (6x)
9.g4 — 3.3% (44 parties)
Ambassadeurs : Kosintseva, Nadezhda (3x), Jobava, Baadur (2x), Van Riemsdijk, Herman C. (1x), Macedo, Maximo Valerio (1x), Ferreira, Antonio (1x), Beltran Pubill, Albert (1x), Shamkovich, Leonid (1x), Weinstein, Norman (1x)
9.g3 — 0.8% (11 parties)
Ambassadeurs : Tazbir, Marcin (2x), Bhend, Edwin (1x), Bednarski, Jacek (1x), Prie, Eric (1x), Akopian, Vladimir (1x), Dubko, Vladislav Cheslavovich (1x), Akuet Luak (1x), Szoen, Dariusz (1x)
9.f5 — 0.6% (8 parties)
Ambassadeurs : Rajlich, Vasik (1x), Seres, Lajos (1x), Marthandan K U (1x), Poghosyan, Tigran (1x), Perez Lujan, Mateo (1x), Salcedo, Pablo Esteban (1x), Vishnu P (1x), Lu, Shanglei (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.O-O-O 9.g4 9.g3 9.f5
<1800 60 97% 2% — 2%
1800-2200 476 94% 4% 1% 1%
2200-2600 720 95% 3% 1% 0%
2600+ 44 98% 2% — —
Évolution par décennie (% des parties)
Décennie N parties 9.O-O-O 9.g4 9.g3 9.f5
1960s 6 83% — 17% —
1970s 36 83% 17% — —
1980s 20 95% 5% — —
1990s 23 91% 4% 4% —
2000s 138 91% 4% 3% 1%
2010s 849 96% 3% 1% 0%
2020s 279 96% 2% — 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.O-O-O 96% 96% +0.1%
9.g4 3% 2% ▼ -1.2%
9.g3 1% 0% ▼ -0.6%
9.f5 0% 1% ▲ +1.1%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
9.O-O-O — 95.0% (1284 parties)
1963 — Bratko, Ivan vs Martinovic, Slobodan — 1/2-1/2 — Dravograd
1965 — Stein, Leonid vs Miguel, Nahuel — 0-1 — Mar del Plata ARG
1967 — Bronstein, Luis Marcos vs Cagliero, Hugo — 1-0 — Cordoba ARG
1968 — Gerasimov, N vs Kaminskij, Sergej — 0-1 — ?
1969 — Bronstein, Luis Marcos vs Fernandez, Ignacio — 1-0 — Buenos Aires ARG
9.g4 — 3.3% (44 parties)
1973 — Kuzmin, Gennadi vs Stean, Michael F — 1-0 — Hastings ENG
1973 — Savon, Vladimir vs Mecking, Henrique — 0-1 — Petropolis izt
1973 — Panchenko, Alexander N vs Beliavsky, Alexander G — 1-0 — Riga LAT
1974 — Van Riemsdijk, Herman C. vs Macedo, Maximo Valerio — 1-0 — Rio de Janeiro BRA
1976 — Shamkovich, Leonid vs Weinstein, Norman — 0-1 — United States tt
9.g3 — 0.8% (11 parties)
1964 — Bhend, Edwin vs Bednarski, Jacek — 1/2-1/2 — Kecskemet HUN
1990 — Prie, Eric vs Akopian, Vladimir — 0-1 — Lyon FRA
2005 — Tazbir, Marcin vs Szoen, Dariusz — 1-0 — Warsaw POL
2006 — Dubko, Vladislav Cheslavovich vs Akuet Luak — 1/2-1/2 — ICCF
2006 — Tazbir, Marcin vs Butkiewicz, Lukasz — 1-0 — Leba POL
9.f5 — 0.6% (8 parties)
2002 — Rajlich, Vasik vs Seres, Lajos — 0-1 — Budapest HUN
2013 — Marthandan K U vs Poghosyan, Tigran — 1-0 — Al Ain
2016 — Perez Lujan, Mateo vs Salcedo, Pablo Esteban — 1/2-1/2 — Cali
2017 — Vishnu P vs Lu, Shanglei — 1-0 — Ho Chi Minh City VIE
2023 — Cong, Dingzhou vs Chu, Wei Chao — 0-1 — Qiziwan CHN