B88b - 7.O-O - Sozin-Scheveningen (1923)

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B88b — Sozin-Scheveningen (1923)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.O-O
Les coups candidats
7…Be7 — 77.5% (1749 parties)
Ambassadeurs : Saltaev, Mihail (13x), Boleslavsky, Isaac (8x), Paoli, Enrico (8x), Pomar Salamanca, Arturo (7x), Padevsky, Nikola (7x), Blatny, Frantisek (7x), Dehaybe, Andre (7x), Geller, Efim P. (6x)
7…a6 — 19.4% (437 parties)
Ambassadeurs : Taimanov, Mark (8x), Rejfir, Josef (4x), Acoltzi Ruiz, Mariana (4x), Ciocaltea, Victor (3x), Muehlberg, Siegfried (3x), Byvshev, Vasily (3x), Bakre, Tejas (3x), Neukirch, Detlef (2x)
7…Bd7 — 1.6% (35 parties)
Ambassadeurs : Ordonez Gonzalez, Gabriel (2x), Kaufmann, Allan (1x), Saidy, Anthony (1x), Bogdanovic, Rajko (1x), Matulovic, Milan (1x), Krutyanski, Anatoli A (1x), Nezhmetdinov, Rashid (1x), Beaty, John Harold (1x)
7…Qc7 — 0.4% (10 parties)
Ambassadeurs : Van Eijk, Sander (1x), Brandenburg, Daan (1x), Garcia Gonzalez, Olegario (1x), Chans Farina, Juan Francisco (1x), Bauer, Markward (1x), Wagner, Hermann (1x), Zasukhin, Valentin (1x), Klichev, Mikhail (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Be7 7…a6 7…Bd7 7…Qc7
<1800 166 80% 17% 1% 1%
1800-2200 819 79% 18% 1% 1%
2200-2600 504 79% 19% 1% 1%
2600+ 5 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7…Be7 7…a6 7…Bd7 7…Qc7
1950s 236 69% 31% 1% —
1960s 174 76% 22% 1% —
1970s 74 80% 19% 1% —
1980s 77 74% 22% 1% —
1990s 405 78% 19% 2% —
2000s 679 80% 17% 1% 1%
2010s 507 80% 16% 1% 0%
2020s 106 70% 23% 4% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Be7 80% 70% ▼ -10.7%
7…a6 16% 23% ▲ +6.5%
7…Bd7 1% 4% ▲ +2.4%
7…Qc7 0% 2% ▲ +1.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
7…Be7 — 77.5% (1749 parties)
1950 — Greenfeld, Alon vs Taimanov, Mark — 0-1 — Schiavno Zdroj
1950 — Honfi, Karoly vs Vajda, Arpad — 1-0 — Budapest HUN
1950 — Phillips, Alan vs Unzicker, Ferdinand, Dr. — 0-1 — Hastings ENG
1950 — Ragozin, Viacheslav vs Geller, Efim P. — 1-0 — Moscow RUS
1950 — Eisinger, Max Jr vs Unzicker, Ferdinand, Dr. — 0-1 — Bad Pyrmont GER
7…a6 — 19.4% (437 parties)
1952 — Alexander Tadala vs Taimanov, Mark — 1/2-1/2 — Moskou ch-URS
1952 — Lutikov, Anatoly S vs Suetin, Alexey S — 0-1 — Minsk BLR
1952 — Baranov, Boris vs Flohr, Salo — 1/2-1/2 — Moscow RUS
1952 — Fink, Adolf Jay vs Smook, Roger — 1-0 — California
1953 — Kasparian, Genrikh vs Renter, Raul — 1-0 — Leningrad RUS
7…Bd7 — 1.6% (35 parties)
1955 — Kaufmann, Allan vs Saidy, Anthony — 1/2-1/2 — New York, NY USA
1955 — Bogdanovic, Rajko vs Matulovic, Milan — 0-1 — Novi Sad SRB
1960 — Beaty, John Harold vs Barden, Leonard — 0-1 — Leicester
1966 — Krutyanski, Anatoli A vs Nezhmetdinov, Rashid — 1/2-1/2 — ?
1974 — Rousseau, Daniel vs Zalys, Ignas — 0-1 — Montreal CAN
7…Qc7 — 0.4% (10 parties)
2000 — Garcia Gonzalez, Olegario vs Chans Farina, Juan Francisco — 1/2-1/2 — Gijon
2002 — Bauer, Markward vs Wagner, Hermann — 1/2-1/2 — Bayern
2003 — Van Eijk, Sander vs Brandenburg, Daan — 0-1 — Dieren NED
2005 — Curry, Don S vs Mashayekh, Majid — 0-1 — Telford ENG
2005 — Ji, Dan vs Cheng, Xinkai — 1/2-1/2 — China