D93e - 7.Rc1 - Gruenfeld (1924)

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D93e — Gruenfeld (1924)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3 c6 7.Rc1
Les coups candidats
7…Bg4 — 26.3% (349 parties)
Ambassadeurs : Liebert, Heinz (4x), Aegerter, Martin (4x), Tseitlin, Mark D (4x), Martz, William (3x), Pribyl, Josef (3x), Ilivitsky, Georgy A (2x), Kozma, Julius (2x), Szilagyi, Gyorgy Laszlo (2x)
7…Be6 — 17.0% (226 parties)
Ambassadeurs : Jansa, Vlastimil (12x), Hort, Vlastimil (4x), Stanciu, Traian (4x), Geller, Efim P. (4x), Pribyl, Josef (4x), Stoica, Valentin (3x), Rogers, Ian (3x), Mititelu, Gheorghe (3x)
7…Qa5 — 14.7% (195 parties)
Ambassadeurs : Honfi, Karoly (4x), Bertok, Mario Jr. (3x), Wade, Robert G (2x), Gligoric, Sofija (2x), Malich, Burkhard, Dr. (2x), Pomar Salamanca, Arturo (2x), Hlavac, Rudolf (2x), Pojedziniec, Wladyslaw (2x)
7…dxc4 — 6.3% (83 parties)
Ambassadeurs : Marszalek, Rafal (2x), Roos, Daniel (2x), Spiridonov, Nikola (2x), Balashov, Yuri (1x), Sukochev, Vl (1x), Dittmann, Sieghart (1x), Kozma, Julius (1x), Borisenko-Belova, Valentina (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bg4 7…Be6 7…Qa5 7…dxc4
<1800 60 27% 5% 13% 5%
1800-2200 498 26% 10% 16% 5%
2200-2600 549 24% 25% 12% 9%
2600+ 15 20% 53% — —
Évolution par décennie (% des parties)
Décennie N parties 7…Bg4 7…Be6 7…Qa5 7…dxc4
1950s 25 12% 4% 40% 4%
1960s 68 35% 12% 37% 4%
1970s 104 39% 26% 8% 3%
1980s 103 36% 24% 14% 7%
1990s 197 32% 12% 15% 7%
2000s 330 26% 18% 14% 6%
2010s 415 18% 17% 12% 7%
2020s 85 22% 13% 14% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bg4 18% 22% ▲ +4.0%
7…Be6 17% 13% ▼ -4.2%
7…Qa5 12% 14% ▲ +2.3%
7…dxc4 7% 6% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
7…Bg4 — 26.3% (349 parties)
1950 — Miguel, Nahuel vs Flohr, Salo — 1/2-1/2 — Budapest HUN
1955 — Furman, Semyon vs Ilivitsky, Georgy A — 1/2-1/2 — USSR
1957 — Vistaneckis, Isakas vs Shagalovich, Abo — 1/2-1/2 — Minsk zt
1961 — Vaitonis, Povilas vs Cayford, Anthony — 0-1 — Brockville
1962 — Hybl, Jaroslav vs Kozma, Julius — 1/2-1/2 — Jablonec
7…Be6 — 17.0% (226 parties)
1957 — Taimanov, Mark vs Bannik, Anatolij — 1/2-1/2 — Moskou ch-URS
1960 — Geller, Efim P. vs Andersen, Borge — 1-0 — Copenhagen DEN
1961 — Bronstein, David I vs Aronin, Lev — 1/2-1/2 — Moskou ZShK
1963 — Polugaevsky, Lev vs Geller, Efim P. — 1/2-1/2 — Moscow tt
1965 — Portisch, Lajos vs Haag, Ervin — 1/2-1/2 — Budapest HUN
7…Qa5 — 14.7% (195 parties)
1950 — Martin M Pereira vs Rossetto, Hector — 1/2-1/2 — Mar del Plata ARG
1951 — Laszlo, Deli vs Anay Barche — 0-1 — Hungary ch
1952 — Cordioli, Lourenco Joao vs Tavares da Silva, Luiz — 1-0 — Sao Paulo BRA
1952 — Szukszta, Janus vs Witkowski, Stefan — 1-0 — Katowice POL
1953 — Cross, James vs Rogosin, Hyman — 1-0 — Hollywood, CA
7…dxc4 — 6.3% (83 parties)
1959 — Borisenko-Belova, Valentina vs Abreu Maria Samil — 1-0 — Plovdiv BUL
1960 — Dittmann, Sieghart vs Kozma, Julius — 1/2-1/2 — Marianske Lazne
1964 — Balashov, Yuri vs Sukochev, Vl — 1-0 — Frunze KGZ
1966 — Gligoric, Sofija vs Gheorghiu, Florin — 1-0 — Tel Aviv ISR
1975 — Mititelu, Gheorghe vs Spiridonov, Nikola — 1/2-1/2 — Decin CZE