B89a - 7.Be3 - Sozin

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B89a — Sozin
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3
Eval: [+0.29]
Les coups candidats
Ambassadeurs : De Firmian, Nick (30x), Weindl, Alfred (26x), Velimirovic, Dragoljub (22x), Lanka, Zigurds (22x), Paoli, Enrico (21x), Wosch, Arkadiusz (21x), Van der Wiel, John T.H. (20x), ? (19x)
Ambassadeurs : Madl, Ildiko (39x), Velimirovic, Dragoljub (19x), Lupulescu, Constantin (19x), Sher, Miron (18x), Videki, Sandor (16x), ? (16x), Inkiov, Ventzislav (16x), Yrjola, Jouni (14x)
7…Bd7 — 2.4% (226 parties)
Ambassadeurs : Reeh, Oliver (5x), Ivanov, Igor V. (4x), Delgado Ramirez, Neuris (4x), Kucuksari, Kaan (4x), Wohlmann, Erich (3x), Amar, Elham (3x), Warmerdam, Max (3x), Ivkov, Borislav (2x)
7…Qc7 — 1.1% (104 parties)
Ambassadeurs : Ungureanu, Emil (6x), Mantovani, Renzo (5x), Mititelu, Gheorghe (4x), Ghizdavu, Dumitru (3x), Di Paolo, Raffaele (3x), Nacht, Edgar (2x), Stanciu, Traian (2x), Ivanovic, Bozidar (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Be7 7…a6 7…Bd7 7…Qc7
<1800 113 73% 23% — 2%
1800-2200 2009 66% 30% 3% 1%
2200-2600 5042 53% 43% 3% 1%
2600+ 94 53% 40% 6% —
Évolution par décennie (% des parties)
Décennie N parties 7…Be7 7…a6 7…Bd7 7…Qc7
1920s 2 100% — — —
1940s 7 57% 29% — 14%
1950s 24 71% 21% 4% —
1960s 370 77% 16% 2% 2%
1970s 833 72% 23% 2% 3%
1980s 1141 60% 36% 2% 2%
1990s 2466 61% 36% 1% 1%
2000s 2524 57% 40% 1% 1%
2010s 1631 61% 36% 2% 1%
2020s 450 38% 44% 18% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Be7 61% 38% ▼ -22.3%
7…a6 36% 44% ▲ +7.4%
7…Bd7 2% 18% ▲ +15.5%
7…Qc7 1% 0% ▼ -0.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 9 parties
Anand, Viswanathan — 6 parties
Kasparov, Garry — 6 parties
Hou, Yifan — 3 parties
Ju, Wenjun — 2 parties
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie
Ding, Liren — 1 partie
Parties historiques
7…Be7 — 60.2% (5685 parties)
1924 — Olland, Adolf George vs Kroone, Gerard — 1-0 — Amsterdam NED
1926 — Olland, Adolf George vs Weenink, Henri — 0-1 — NED
1946 — Joly, Remy vs Gourdon Pascal — 0-1 — ?
1948 — Tartakower, Savielly vs Radulescu, Mihai — 1/2-1/2 — Budapest Budapest HUN
1948 — Tartakower, Savielly vs Rossolimo, Nicolas — 1/2-1/2 — Paris FRA
7…a6 — 35.5% (3350 parties)
1947 — Tartakower, Savielly vs Szabados, Eugenio — 1-0 — Venice ITA
1948 — Tartakower, Savielly vs Barcza, Gedeon — 0-1 — Budapest Budapest HUN
1955 — Cross, Robert Gary vs Evans, Larry Melvin — 0-1 — Long Beach, CA USA
1955 — McLellan, Richard Alan vs Colby, Kenneth Mark — 1-0 — Long Beach, CA USA
1955 — Cross, Robert Gary vs Kovacs, Zoltan — 1-0 — ?
7…Bd7 — 2.4% (226 parties)
1958 — Tracy, Tom vs Smith, Phillip D — 0-1 — Pittsburg, CA
1963 — Sloan, Sam vs Martz, William — 0-1 — US Junior ch;State College,PA
1966 — Andres Primavera, Ashley vs Ranjith Kumar Molli — 1-0 — cr.
1966 — Kegel, John vs Patty, Jack — 1-0 — Toronto CAN
1967 — Carreras Morgado, Jorge vs Senabre, Juan — 1-0 — Villa Crespo
7…Qc7 — 1.1% (104 parties)
1949 — Tartakower, Savielly vs Pachman, Ludek — 1/2-1/2 — Southsea ENG
1960 — Nacht, Edgar vs Bondoc, Dan-Vladimir — 0-1 — Bucharest ROU
1965 — Lein, Anatoly vs Van Wijngaarden, Frank — 1/2-1/2 — Hamburg etc
1969 — Neukirch, Detlef vs Kuettner, Uwe — 1-0 — Schwerin GER
1969 — Adorjan, Andras vs Ribli, Zoltan — 1-0 — Magyarorszag,7/326