C87e - 7.c3 - Closed, Averbakh (1905)

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C87e — Closed, Averbakh (1905)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.c3
Les coups candidats
Ambassadeurs : Malewicz, Frank (18x), Romanishin, Oleg M (8x), Panov, Dmitry (8x), Pritchett, Craig W (7x), Kholmov, Ratmir D (6x), Woelfelschneider, Peter (6x), Szabo, Laszlo (5x), Keres, Paul Petrovich (5x)
Ambassadeurs : Romanishin, Oleg M (32x), Petrosian, Arshak B (21x), Mayorau, Mikita (19x), Adams, Michael (11x), Susovic, Hrvoje (7x), Spassky, Boris Vasily (6x), Mikhalchishin, Adrian (6x), Zaiatz, Elena (6x)
7…b5 — 23.5% (575 parties)
Ambassadeurs : Látal, Frantisek (5x), Kolanek, Roman (4x), Zalys, Ignas (3x), Unger, Gregor (3x), Malmstroem, Jan Hendrik (3x), Chetina, Elizaveta (3x), Rakhimov, Rustam Alidganovich (3x), Fischer, Robert J (2x)
7…Bd7 — 3.1% (77 parties)
Ambassadeurs : Ivkov, Borislav (3x), AGBOLO, Green Laureta (2x), Letzelter, Jean-Claude (1x), Bedros, Jacques (1x), Luczynowicz, Waclaw (1x), Grabczewski, Romuald (1x), Hennings, Artur (1x), Bienert, Kurt (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…Bg4 7…b5 7…Bd7
<1800 267 48% 17% 31% 3%
1800-2200 894 46% 21% 30% 2%
2200-2600 629 29% 58% 10% 2%
2600+ 69 12% 86% 1% 1%
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…Bg4 7…b5 7…Bd7
1950s 44 45% 2% 27% 16%
1960s 122 48% 29% 14% 7%
1970s 115 49% 32% 14% 3%
1980s 95 27% 48% 20% 3%
1990s 302 48% 24% 26% 2%
2000s 711 39% 33% 24% 4%
2010s 858 39% 33% 26% 2%
2020s 198 46% 31% 22% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 39% 46% ▲ +6.9%
7…Bg4 33% 31% ▼ -1.8%
7…b5 26% 22% ▼ -3.9%
7…Bd7 2% 2% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Anand, Viswanathan — 3 parties
Smyslov, Vladimir — 1 partie
Hou, Yifan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
7…O-O — 41.3% (1009 parties)
1951 — Pfeiffer, Gerhard vs Bogoljubow, Efim — 1/2-1/2 — Augsburg GER
1952 — Eliskases, Erich vs Carvalho, Flavio — 1-0 — Sao Paulo BRA
1952 — Fairhurst, William vs Penrose, Jonathan — 0-1 — White Rock Pavilion
1952 — Simagin, Vladimir vs Konstantinopolsky, Alexander — 1/2-1/2 — URS-ch sf Sochi RUS
1952 — Ignatenko, P. vs Hanks, John — 0-1 — Melbourne AUS
7…Bg4 — 31.4% (767 parties)
1957 — Nilsson, Zandor vs Fridh, Anton — 1-0 — Stockholm SWE
1960 — Smederevac, Petar vs Trifunovic, Petar — 1/2-1/2 — Ljubljana
1960 — Stein, Leonid vs Lazarev, Efim M. — 1/2-1/2 — Kiev UKR
1961 — Kotov, Aleksander vs Spassky, Boris V. — 0-1 — Baku AZE
1961 — Gufeld, Eduard vs Averbakh, Yuri L — 1/2-1/2 — Moscow RUS
7…b5 — 23.5% (575 parties)
1952 — Shilov, Aleksander vs Andrade, Ledaiane Vicente De — 0-1 — Montreal CAN
1954 — Fox, Maurice vs Andrade, Ledaiane Vicente De — 1-0 — Montreal CAN
1954 — Toran Albero, Roman vs Olivera, Juan Francisco — 1-0 — Montevideo URU
1954 — Tanguay, Alexandre vs Zalys, Ignas — 0-1 — Montreal CAN
1954 — Tanguay, Alexandre vs Zalys, Ignas — 1/2-1/2 — Montreal CAN
7…Bd7 — 3.1% (77 parties)
1953 — Luczynowicz, Waclaw vs Grabczewski, Romuald — 0-1 — Krakow POL
1953 — Bannik, Anatolij vs Kasparian, Genrikh — 1/2-1/2 — Leningrad RUS
1954 — Byvshev, Vasily vs Klovans, Janis — 1-0 — Riga LAT
1954 — Storch, Egon vs Hampel, Johannes — 0-1 — Schkopau
1957 — Schmid, Lothar vs Fairhurst, William — 1-0 — Dublin zt