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D94n — Gruenfeld (1939)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.cxd5 Nxd5
Les coups candidats
Ambassadeurs : Tregubov, Pavel V. (21x), Kolanek, Roman (19x), Obolentseva, Alexandra (10x), Jelen, Igor (9x), Cardoso Do Espirito Santo, Rubens (8x), Simagin, Vladimir (7x), Panno, Oscar (7x), Meissner, Ruediger (7x)
7.Be2 — 10.9% (306 parties)
Ambassadeurs : Peperko, Gerhard (5x), Huss, Horst (2x), Hempel, Olaf, Dr. (2x), Pribyl, Josef (2x), Clark, Michael (2x), Goetz, Walter (1x), Veeck, Kurt (1x), Savon, Vladimir (1x)
7.Qb3 — 5.6% (158 parties)
Ambassadeurs : Vranesic, Zvonko (2x), Certek, Pavel (2x), Urseanu, Veniamin (1x), Samarian, Sergiu (1x), Lachmann, Hans G (1x), Kampman, Tijmen (1x), Bloodworth, Colin Malcolm (1x), Abrica, Stephen T (1x)
7.Bd2 — 3.4% (96 parties)
Ambassadeurs : Kovacevic, Vlatko (2x), Kholmov, Ratmir D (2x), Sonnenberg, Karin (1x), Nuenchert, Eveline (1x), Guseva, Aksinya (1x), Yakir, Liubov (1x), Rethy, Pal (1x), Pogats, Jozsef Jr. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Bc4 7.Be2 7.Qb3 7.Bd2
<1800 228 57% 20% 5% 4%
1800-2200 1150 68% 13% 7% 3%
2200-2600 926 87% 4% 4% 3%
2600+ 41 95% 5%
Évolution par décennie (% des parties)
Décennie N parties 7.Bc4 7.Be2 7.Qb3 7.Bd2
1950s 20 60% 10% 15% 5%
1960s 98 88% 4% 3% 4%
1970s 114 82% 10% 2% 6%
1980s 100 78% 9% 5% 5%
1990s 395 69% 12% 7% 4%
2000s 632 63% 14% 6% 6%
2010s 1123 75% 10% 6% 2%
2020s 338 81% 9% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Bc4 75% 81% ▲ +6.4%
7.Be2 10% 9% ▼ -1.5%
7.Qb3 6% 3% ▼ -3.1%
7.Bd2 2% 1% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 1 partie
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
7.Bc4 — 72.9% (2056 parties)
1951 — Udovcic, Mijo vs Feldzer, Arseniy — 0-1 — Venice ITA
1953 — Luigs, C. vs Juergens, Norbert — 1/2-1/2 — Soest NED
1953 — Szily, Jozsef vs Navarovszky, Laszlo — 1-0 — HUN-ch Budapest HUN
1954 — Bisguier, Arthur B vs Evans, Larry — 1/2-1/2 — New York ch-USA
1954 — Bisguier, Arthur vs Evans, Larry — 1/2-1/2 — USA
7.Be2 — 10.9% (306 parties)
1959 — Savon, Vladimir vs Volchok, Alexandr — 1-0 — Kiev UKR
1959 — Blatny, Frantisek vs LAR, Rai Joseph — 1/2-1/2 — Bratislava SVK
1964 — Goetz, Walter vs Veeck, Kurt — 0-1 — Ingolstadt
1964 — Kriska, Michal vs Djukanovic, Marko — 0-1 — Bad Kuehlungsborn
1965 — Morgado, Juan Sebastian vs MULLER — 1-0 — cr UDAPA th
7.Qb3 — 5.6% (158 parties)
1950 — Lachmann, Hans G vs Kampman, Tijmen — 1-0 — Bielefeld
1951 — Urseanu, Veniamin vs Samarian, Sergiu — 0-1 — Bucharest ROU
1957 — Barrett, Gordon vs Martin, Raymond J — 0-1 — Hollywood, CA
1961 — Bloodworth, Colin Malcolm vs Abrica, Stephen T — 0-1 — Aberystwyth
1965 — Morgado, Juan Sebastian vs Rodriguez Uriza, Ugo W — 1-0 — cr UDAPA th
7.Bd2 — 3.4% (96 parties)
1955 — Rethy, Pal vs Pogats, Jozsef Jr. — 1/2-1/2 — Hungary ch
1961 — Guseva, Aksinya vs Yakir, Liubov — 1/2-1/2 — ?
1969 — Sonnenberg, Karin vs Nuenchert, Eveline — 0-1 — Halle/Saale
1969 — Botez, Constantin vs Ungureanu, Emil — 1/2-1/2 — Bucharest ROU
1969 — Botterill, George S. vs May Aung Hlaing — 1-0 — Hastings ENG