B88d - 7.Bb3 Be7 8.Be3 - Sozin-Scheveningen

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B88d — Sozin-Scheveningen
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Bb3 Be7 8.Be3
Eval: [+0.24]
Les coups candidats
8…O-O — 58.9% (1313 parties)
Ambassadeurs : ? (9x), Neukirch, Detlef (8x), Gheorghiu, Florin (7x), Paoli, Enrico (7x), Soltis, Andrew (7x), De Firmian, Nick (7x), Filipowicz, Andrzej (6x), Parma, Bruno (5x)
8…a6 — 33.1% (737 parties)
Ambassadeurs : Ligterink, Gert (4x), De Firmian, Nick (4x), Felsberger, Alfred (4x), Polugaevsky, Lev (3x), Baljon, Christofoor (3x), Chemin, Vitorio (3x), Shirov, Alexei (3x), Sluka, Radek (3x)
8…Bd7 — 4.4% (99 parties)
Ambassadeurs : Borik, Otto (2x), Rogic, Davor (2x), Sermek, Drazen (2x), Silva, Fernando (2x), Chan, Yi Ren Daniel (2x), Dimic, Pavle (2x), Obodchuk, Andrei (2x), Tapaszto Binet, Laszlo (1x)
8…Qc7 — 1.2% (27 parties)
Ambassadeurs : Knoppert, Erik (4x), Tatai, Igor (1x), Barthe Paoli, Louis (1x), Filipowicz, Andrzej (1x), Gromek, Jozef (1x), Waagner Nielsen, Ch (1x), Lysgaard-Egeberg, Bjarne (1x), Dominguez Sanz, Juan Pedro (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…O-O 8…a6 8…Bd7 8…Qc7
<1800 34 59% 41% — —
1800-2200 541 52% 39% 5% 2%
2200-2600 1029 59% 34% 4% 1%
2600+ 16 81% 12% 6% —
Évolution par décennie (% des parties)
Décennie N parties 8…O-O 8…a6 8…Bd7 8…Qc7
1920s 1 — 100% — —
1950s 4 75% — 25% —
1960s 181 76% 15% 2% 1%
1970s 253 60% 35% 3% 1%
1980s 210 58% 36% 4% 1%
1990s 561 56% 36% 4% 2%
2000s 588 59% 32% 5% 2%
2010s 380 53% 39% 6% 0%
2020s 50 70% 22% 8% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…O-O 53% 70% ▲ +17.1%
8…a6 39% 22% ▼ -16.7%
8…Bd7 6% 8% ▲ +2.2%
8…Qc7 0% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 2 parties
Euwe, Max — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
8…O-O — 58.9% (1313 parties)
1955 — Vasiukov, Evgeni vs Fridstein, German — 1-0 — Moskou ch sf
1955 — Vasiukov, Evgeni vs Baranov, Boris — 1-0 — Moskou ch URS
1959 — Nikolaevsky, Yuri V vs Geller, Efim P. — 0-1 — Kiev UKR
1960 — Litvinov, Viktor vs Blechzin, Igor — 0-1 — Moscow RUS
1960 — Sarapu, Ortvin vs Lapin, Vadim — 0-1 — Adelaide AUS
8…a6 — 33.1% (737 parties)
1929 — Bergeron, Pascal vs Nguyen, Christopher — 1/2-1/2 — Quebec ch jr
1961 — Ninic, Dragoslav vs Clemens, Christian, Dr. — 1-0 — Oberhausen EU/MM: BR
1962 — Aaltio, Erkki vs Schwieger, Claus — 1-0 — corr EU/M
1962 — Bogdanov, Valentin vs Duraku, Emin — 1-0 — Varna BUL
1963 — Collins, Richard Arnold vs Marshall, Peter L — 1-0 — Southampton ENG
8…Bd7 — 4.4% (99 parties)
1956 — Kotkov, Yuri M vs Strekalovski, Viktor — 0-1 — Leningrad RUS
1966 — Pacl, Vaclav vs Fiser, Jiri — 1-0 — Praag CZE ch Army
1967 — Tapaszto Binet, Laszlo vs Reissman, Paul — 1-0 — Caracas zt Caracas VEN
1967 — Weinberger, Tibor vs Browne, Walter Shawn — 0-1 — Santa Monica, CA USA
1969 — Velikov, Petar vs Beliavsky, Alexander G — 0-1 — Groningen NED
8…Qc7 — 1.2% (27 parties)
1964 — Filipowicz, Andrzej vs Gromek, Jozef — 1-0 — Poland
1967 — Tatai, Igor vs Barthe Paoli, Louis — 1-0 — Imperia
1972 — Bessenay, Maurice vs Auchenberg, Per — 0-1 — Groningen NED
1977 — Veingold, Aleksandr vs Tukmakov, Vladimir B — 1/2-1/2 — Parnu EST
1981 — Ciric, Dragoljub M vs Formanek, Edward — 1-0 — Manchester ENG