B57b - 6…Bd7 - Sozin (1909)

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B57b — Sozin (1909)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Bd7
Les coups candidats
Ambassadeurs : Matnadze Bujiashvili, Ann (16x), Robatsch, Karl (15x), Paoli, Enrico (8x), Honfi, Karoly (6x), Stein, Leonid (5x), Hennings, Artur (5x), Shirazi, Kamran (5x), Szilagyi, Gyorgy Laszlo (4x)
7.Bb3 — 34.9% (839 parties)
Ambassadeurs : Stein, Leonid (9x), Kupreichik, Viktor D (9x), Mestrovic, Zvonimir (6x), Robatsch, Karl (6x), Velimirovic, Dragoljub (6x), Drimer, Dolfi (5x), Bogdanovic, Rajko (5x), Averbakh, Yuri L (5x)
7.Be3 — 11.9% (286 parties)
Ambassadeurs : Kopec, Danny (2x), Fullbrook, Nigel (2x), Formanek, Edward (2x), Moe, Mogens (2x), Ueter, Heinz-Dieter (2x), Kalinitschew, Sergey (2x), Dobos, Jozsef (2x), Lehtinen, Antti (2x)
7.Bg5 — 6.0% (145 parties)
Ambassadeurs : Van Riemsdijk, Herman C. (3x), Scafarelli, Francesco (2x), Kruppa, Yuri (2x), Kupreichik, Viktor D (2x), Friedel, Joshua (2x), Karklins, Andrew (2x), Sarapu, Ortvin (1x), Teters, A.. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.O-O 7.Bb3 7.Be3 7.Bg5
<1800 92 45% 17% 17% 8%
1800-2200 628 39% 29% 14% 8%
2200-2600 1169 38% 37% 11% 6%
2600+ 26 38% 31% 15% 4%
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.Bb3 7.Be3 7.Bg5
1950s 68 71% 13% 3% 7%
1960s 206 24% 60% 6% 1%
1970s 200 32% 52% 6% 4%
1980s 145 42% 38% 11% 6%
1990s 419 37% 32% 14% 8%
2000s 663 43% 30% 11% 6%
2010s 513 40% 32% 12% 7%
2020s 188 21% 25% 27% 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 40% 21% ▼ -18.7%
7.Bb3 32% 25% ▼ -7.2%
7.Be3 12% 27% ▲ +15.6%
7.Bg5 7% 9% ▲ +2.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 7 parties
Anand, Viswanathan — 1 partie
Hou, Yifan — 1 partie
Fischer, Robert James — 1 partie
Parties historiques
7.O-O — 37.8% (908 parties)
1951 — Chistiakov, Alexander vs Taimanov, Mark — 1-0 — Leningrad RUS
1951 — Pogats, Jozsef Jr. vs Benko, Pal — 1-0 — Hungary ch
1952 — Aguilar, Carlos (PER) vs Pappier, Carlos German — 1/2-1/2 — Rosario ARG
1952 — Wade, Robert G vs Unzicker, Ferdinand, Dr. — 0-1 — Stockholm SWE
1952 — Gereben, Erno vs Kottnauer, Cenek — 1-0 — Budapest HUN
7.Bb3 — 34.9% (839 parties)
1955 — Wade, Robert G vs Van Hoorde, Alexandre — 1-0 — Mont Pelerin sur Vevey
1957 — Fischer, Robert J vs Saidy, Anthony — 1-0 — East Orange
1957 — Ciocaltea, Victor vs Doda, Zbigniew — 1-0 — Szczawno Zdroj
1958 — Kostro, Jerzy vs Gudmundsson, Arinbjorn — 1-0 — Munchen olm
1958 — Kostro, Jerzy vs Kramer, Haije — 1/2-1/2 — Munich GER
7.Be3 — 11.9% (286 parties)
1951 — Florian, Tibor vs Benko, Pal — 0-1 — Hungary ch
1955 — Griffiths, Derek Francis K vs Barden, Leonard — 1-0 — Southend
1963 — Crowl, Frank Arthur vs Haynes, Trevor Anthony — 1/2-1/2 — Perth AUS
1963 — Konrad, Eberhard vs Hinne, Jobst — 0-1 — Helmbrechts GER
1965 — Hennings, Artur vs Szilagyi, Gyorgy Laszlo — 0-1 — Zinnowitz GER
7.Bg5 — 6.0% (145 parties)
1953 — Geller, Efim P. vs Averbakh, Yuri L — 1/2-1/2 — Zurich SUI
1954 — Szabo, Laszlo vs Fuderer, Andrija — 1-0 — Hastings ENG
1956 — Kinzel, Anton vs Ingerslev, Aage — 1/2-1/2 — Moscow RUS
1957 — Bogdanovic, Rajko vs Smailbegovic, Hasan — 1/2-1/2 — Sombor
1959 — Ault, Robin vs Sherwin, James T — 0-1 — New York ch-USA