E26f - 7.Bd3 - Saemisch (1946)

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E26f — Saemisch (1946)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Nc6 7.Bd3
Les coups candidats
Ambassadeurs : Balashov, Yuri (5x), Aleksandrov, Aleksej (4x), Tunik, Gennady (4x), Shereshevski, Mikhail (3x), Geller, Efim P. (3x), Lyrberg, Patrik (3x), Jussupow, Artur (3x), Yurtaev, Leonid (3x)
7…d6 — 26.4% (308 parties)
Ambassadeurs : Geller, Efim P. (3x), Lisitsin, Georgy (3x), Ricardi, Pablo (3x), Jussupow, Artur (3x), Aleksandrov, Viktor A. (3x), Bosch van Rosenthal, Edzard (2x), Arencibia Rodriguez, Walter (2x), Granda Zuniga, Julio E (2x)
7…b6 — 15.9% (186 parties)
Ambassadeurs : Bonch-Osmolovsky, Mikhail (2x), Gligoric, Sofija (2x), Ivkov, Borislav (2x), Botvinnik, Mikhail (2x), Sansas, Andre (2x), Levit, Roman (2x), Vladimirov, Boris T (2x), Oliveira, Jefferson Dos Santos (2x)
7…e5 — 13.3% (155 parties)
Ambassadeurs : Kaminik, Aleksandar (4x), Berczes, David (4x), Balashov, Yuri (3x), Szabo, Laszlo (2x), Gadalinski, Jan (2x), Broadbent, Reginald (2x), Kwapisz, Stanislaw (2x), Lerner, Konstantin Z (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…d6 7…b6 7…e5
<1800 34 44% 26% 21% 6%
1800-2200 308 46% 28% 17% 7%
2200-2600 512 43% 26% 15% 13%
2600+ 20 40% 20% 30% 10%
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…d6 7…b6 7…e5
1950s 82 21% 29% 24% 21%
1960s 31 52% 26% 13% 3%
1970s 38 24% 47% 8% 13%
1980s 147 31% 33% 12% 20%
1990s 257 46% 27% 12% 14%
2000s 283 44% 23% 13% 16%
2010s 220 51% 22% 16% 9%
2020s 109 39% 24% 35% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 51% 39% ▼ -12.8%
7…d6 22% 24% ▲ +1.6%
7…b6 16% 35% ▲ +18.5%
7…e5 9% 3% ▼ -5.9%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 3 parties
Kasparov, Garry — 1 partie
Karpov, Anatoly — 1 partie
Gukesh D — 1 partie
Parties historiques
7…O-O — 41.6% (485 parties)
1950 — Boyette, Leslie vs Bagby, Charles L — 0-1 — San Francisco, CA USA
1950 — Pirc, Vasja vs Zografakis, Aristidis — 1-0 — Dubrovnik CRO
1950 — Bronstein, David I vs Miguel, Nahuel — 1-0 — Budapest HUN
1952 — Geller, Efim P. vs Suetin, Alexey S — 1/2-1/2 — Moskou ch-URS
1953 — Ziembinski, Marian vs Brzozka, Stefan — 1/2-1/2 — Krakow POL
7…d6 — 26.4% (308 parties)
1950 — Donner, Jan-Hein vs Barden, Leonard — 1-0 — Utrecht NED
1950 — Steven, George A vs Gibbons, Bart — 1-0 — Los Angeles, CA USA
1950 — Acoltzi Ruiz, Mariana vs Castillo Bermudez, Manuel — 1/2-1/2 — Mar del Plata ARG
1950 — Spanjaard, Eduard vs Van den Berg, Carel B — 0-1 — Amsterdam ch-NED
1951 — Geller, Efim P. vs Lipnitsky, Isaac — 1-0 — Moskou ch-URS
7…b6 — 15.9% (186 parties)
1950 — Pafnutiff, Vladimir vs Bagby, Charles L — 1/2-1/2 — San Francisco, CA USA
1951 — Saigin, Vladimir vs Efimov, Kondrat — 0-1 — Sverdlovsk
1951 — Botvinnik, Mikhail vs Keres, Paul Petrovich — 1/2-1/2 — Moscow RUS
1951 — Kopaev, Nikolay A vs Bonch-Osmolovsky, Mikhail — 0-1 — Lvov UKR
1952 — Kottnauer, Cenek vs Sliwa, Bogdan — 1-0 — Budapest HUN
7…e5 — 13.3% (155 parties)
1950 — Szabo, Laszlo vs Keres, Paul Petrovich — 0-1 — Budapest HUN
1950 — Penrose, Jonathan vs Broadbent, Reginald — 1-0 — Buxton
1950 — Purdy, Cecil J S vs Napolitano, Matteo — 1-0 — cr.
1950 — Bronstein, David I vs Smyslov, Vasily — 1-0 — Budapest HUN
1951 — Szapiel, Henryk vs Urseanu, Veniamin — 1/2-1/2 — Bucharest ROU