B89c - 7…Be7 - Sozin (1948)

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B89c — Sozin (1948)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 Be7
Les coups candidats
Ambassadeurs : Velimirovic, Dragoljub (20x), Wedberg, Tom (16x), Lanka, Zigurds (16x), De Firmian, Nick (15x), Rivera, Daniel (15x), Schneider, Lars-Ake (14x), Nunn, John D M (14x), Paoli, Enrico (12x)
Ambassadeurs : De Firmian, Nick (9x), Neukirch, Detlef (6x), Shcherbakov, Ruslan (6x), Yakovich, Yuri (6x), Gheorghiu, Florin (5x), ? (5x), Hennings, Artur (5x), Cebalo, Miso (5x)
8.O-O — 7.4% (441 parties)
Ambassadeurs : Wosch, Arkadiusz (7x), Penrose, Jonathan (4x), Vesely, Jiri (3x), Bangiev, Alexander (3x), Bossoni, Mario (3x), Balogh, Csaba (3x), Plachetka, Jan (3x), Hlavac, Rudolf (3x)
8.f4 — 2.7% (161 parties)
Ambassadeurs : Gross, David (5x), Smejkal, Jan (3x), Beni, Alfred (2x), Trapl, Jindrich (2x), Advika Pari (2x), Panchenko, Alexander N (2x), Ragozin, Evgeni (2x), Kersten, Uwe (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Qe2 8.Bb3 8.O-O 8.f4
<1800 205 56% 11% 16% 3%
1800-2200 1706 67% 13% 10% 3%
2200-2600 2740 74% 17% 4% 3%
2600+ 48 77% 17% — 6%
Évolution par décennie (% des parties)
Décennie N parties 8.Qe2 8.Bb3 8.O-O 8.f4
1950s 17 41% 6% 47% —
1960s 308 57% 31% 6% 5%
1970s 627 80% 15% 3% 1%
1980s 704 83% 11% 4% 0%
1990s 1557 69% 16% 6% 4%
2000s 1479 67% 14% 10% 3%
2010s 1020 65% 14% 10% 2%
2020s 224 69% 12% 11% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Qe2 65% 69% ▲ +3.7%
8.Bb3 14% 12% ▼ -2.5%
8.O-O 10% 11% ▲ +1.1%
8.f4 2% 1% ▼ -1.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 8 parties
Kasparov, Garry — 3 parties
Anand, Viswanathan — 3 parties
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
8.Qe2 — 69.8% (4146 parties)
1950 — Rossolimo, Nicolas vs Acoltzi Ruiz, Mariana — 1/2-1/2 — Mar del Plata ARG
1954 — Miliani, Giorgio vs Napolitano, Mario — 0-1 — Trieste
1957 — Rakic, Tomislav vs Djurasevic, Bozidar — 1-0 — Sombor
1959 — Franco, Sigifredo vs Nergard, Ole-Kristian — 1-0 — Aarhus DEN
1959 — Nezhmetdinov, Rashid vs Krogius, Nikolai V — 1/2-1/2 — Tbilisi ch-URS
8.Bb3 — 15.1% (895 parties)
1959 — Nikolaevsky, Yuri V vs Geller, Efim P. — 0-1 — Kiev UKR
1961 — Matulovic, Milan vs Milic, Borislav — 0-1 — Sarajevo BIH
1961 — Khasin, Abram vs Kots, Yuri I — 1-0 — Baku ch-URS
1961 — Silva Nazzari, Hector vs Kaszdan, Ernesto — 1-0 — Uruguay
1961 — Rakic, Tomislav vs Saiansh Biswas — 1-0 — Yugoslavia Cup
8.O-O — 7.4% (441 parties)
1950 — Estrin, Yakov vs Aronin, Lev — 1/2-1/2 — USSR ch sf
1952 — Woronzoff, Larry vs Gligoric, Svetozar — 0-1 — Hollywood, CA
1953 — Sefc, Jan vs Jezek, Jaroslav — 1-0 — Prague CZE
1953 — Vesely, Jiri vs Sajtar, Jaroslav — 1/2-1/2 — Prague CZE
1955 — Sorokin, Nikolay Tikhovich vs Cherepkov, Alexander V — 1-0 — Voroshilovgrad
8.f4 — 2.7% (161 parties)
1960 — Flores Alvarez, Rodrigo vs Bolbochan, Julio — 1-0 — Sao Paulo BRA
1960 — Penrose, Jonathan vs Pomar Salamanca, Arturo — 1/2-1/2 — Madrid zt
1963 — Fichtl, Jiri vs Hýbl, Jaroslav — 1-0 — Prague CZE
1964 — Alster, Ladislav vs Kozma, Julius — 1-0 — Brno CZE
1965 — Steiner, Thomas vs Duenhaupt, Heinz-Wilhelm Dr — 1/2-1/2 — SSV-75 corr