B86e - 6…a6 7.Bb3 Be7 - Sozin-Najdorf

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B86e — Sozin-Najdorf
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 a6 7.Bb3 Be7
Eval: [+0.46]
Les coups candidats
8.O-O — 34.2% (1705 parties)
Ambassadeurs : Pourkashiyan, Atousa (6x), Havlik, Jan (6x), Simo, Judit (5x), Theissl Pokorna, Regina (5x), Gheorghiu, Florin (4x), Panzel, Kenneth (4x), Giaccio, Alfredo (4x), Kaps, Darja (4x)
8.Be3 — 22.3% (1111 parties)
Ambassadeurs : Eberth, Zoltan Bela (14x), Decka, Eliska (8x), Farago, Sandor (8x), Jackova, Jana (6x), Tkachuk, Konstantyn (5x), Petrik, Tomas (4x), Palko, Attila (4x), Simon, Nandor (4x)
8.g4 — 18.3% (913 parties)
Ambassadeurs : Rosenberger, Frank (7x), Echavarria, Johann (6x), Michalek, Jan (6x), De Firmian, Nick (5x), Loginov, Valery A (5x), Bakhmatov, Eduard (5x), Velimirovic, Dragoljub (5x), Podoba, Milan (5x)
8.f4 — 18.2% (905 parties)
Ambassadeurs : Loginov, Valery A (11x), Almasi, Istvan (9x), Schrancz, Istvan (6x), Gligorić, Svetozar (5x), Tringov, Georgi P (5x), Morozevich, Alexander (5x), Susnik, Matej (5x), Honfi, Karoly (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.O-O 8.Be3 8.g4 8.f4
<1800 191 46% 24% 13% 9%
1800-2200 2105 36% 23% 18% 14%
2200-2600 1212 28% 17% 29% 21%
2600+ 9 — — 44% 56%
Évolution par décennie (% des parties)
Décennie N parties 8.O-O 8.Be3 8.g4 8.f4
1790s 1 — — — 100%
1950s 25 76% 12% — 12%
1960s 193 24% 18% 5% 51%
1970s 239 29% 25% 5% 36%
1980s 246 34% 15% 11% 37%
1990s 1075 35% 26% 15% 19%
2000s 1702 34% 23% 20% 15%
2010s 1324 38% 21% 22% 11%
2020s 177 23% 16% 40% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O 38% 23% ▼ -14.4%
8.Be3 21% 16% ▼ -5.4%
8.g4 22% 40% ▲ +17.8%
8.f4 11% 10% ▼ -1.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Kasparov, Garry — 2 parties
Smyslov, Vladimir — 1 partie
Euwe, Max — 1 partie
Parties historiques
8.O-O — 34.2% (1705 parties)
1952 — Andric, Dragoslav vs Vukovic, Sava — 1/2-1/2 — Belgrade SRB
1952 — Steinberg, Jose vs Garcia Vera, Romeo — 1-0 — Rosario ARG
1955 — Rosenfeld, Isai K vs Luik, Helmuth — 1-0 — Tallinn EST
1955 — Novikov, Adolf vs Boleslavsky, Isaac — 1/2-1/2 — White Russia
1955 — Nazarov Aly vs Buslaev, Aleksander — 1-0 — Voroshilovgrad
8.Be3 — 22.3% (1111 parties)
1958 — Fischer, Robert J vs Evans, Larry — 1/2-1/2 — New York, NY USA
1959 — Palermo, Vicente vs Foguelman — 0-1 — Buenos Aires ARG
1959 — Rakic, Tomislav vs Vukovic, Sava — 0-1 — Belgrade SRB
1962 — Dominguez, Cristobal vs Panno, Oscar — 1-0 — Mar del Plata ARG
1963 — Timoshenko, Aleksandr vs Kurass, Iskir — 1-0 — ?
8.g4 — 18.3% (913 parties)
1960 — Florian, Jaromir vs Kozma, Julius — 0-1 — Ostrava CZE
1964 — Andreieva, Olga A vs Todorova, Paunka — 0-1 — ?
1965 — Velimirovic, Dragoljub vs Buljovcic, Ivan — 1-0 — Titograd
1966 — Peric, Slavisa vs Nicolai, Werner — 1-0 — corr ch10-BRD
1967 — Jamieson, Peter McKeich vs Stewart, Kenneth — 1/2-1/2 — Glasgow SCO
8.f4 — 18.2% (905 parties)
1792 — Janetschek, Karl vs Kormanyos, Zoltan — 1-0 — Kecskemet HUN
1958 — Muchnik, Khanan Lvovich vs Polugaevsky, Lev — 1/2-1/2 — Baku AZE
1959 — Fischer, Robert J vs Tal, Mikhail — 0-1 — Bled/Zagreb/Belgrade
1959 — Armengou Fischer, Lluc vs Tal, Mikhail — 0-1 — Bled SLO
1960 — Gligorić, Svetozar vs Attard, Wilfred — 1-0 — Madrid ESP