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D80f — Gruenfeld (1934)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3
Les coups candidats
Ambassadeurs : Knezevic, Milorad (22x), Finegold, Benjamin (20x), Krizsany, Laszlo (13x), Sauve, Richard (13x), Jovanic, Ognjen (10x), Korchnoi, Viktor (9x), Holemar, David (9x), Zubov, Alexander (9x)
4…c6 — 1.3% (61 parties)
Ambassadeurs : Wakeham, Marc R. (2x), Martinez, Gustavo (1x), Araiza Munoz, Jose Joaquin (1x), Madikwe, G. (1x), Solomon, Rathna Sekaran (1x), Witkowski, Stefan (1x), Luczynowicz, Waclaw (1x), Marks Kenneth (1x)
4…e6 — 0.5% (23 parties)
Ambassadeurs : Jones, Andrew (1x), Draper, Martin (1x), Bello AbdulMalik Olamide (1x), Villaraga Cova, David (1x), IBRAHIM (1x), Sequeda Mendoza, Nancy Stella (1x), Wersching, Guenter (1x), Toplak, Stefan (1x)
4…dxc4 — 0.1% (6 parties)
Ambassadeurs : Ambros, Hans (1x), Alberti, Riccardo (1x), Koscevic, Marija (1x), Plese, Marija (1x), Vasilev, Dimitar P. (1x), Dojchinov, At (1x), Moeller, Manuel (1x), Loschek, Jan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Bg7 4…c6 4…e6 4…dxc4
<1800 575 97% 2% 1% —
1800-2200 2024 99% 1% 0% 0%
2200-2600 1083 99% 1% 0% —
2600+ 68 97% — 1% 1%
Évolution par décennie (% des parties)
Décennie N parties 4…Bg7 4…c6 4…e6 4…dxc4
1950s 62 100% — — —
1960s 82 99% 1% — —
1970s 103 99% 1% — —
1980s 140 99% 1% 1% —
1990s 662 97% 2% 1% 0%
2000s 1283 97% 1% 1% 0%
2010s 2031 98% 1% 0% 0%
2020s 347 98% 1% 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Bg7 98% 98% +0.1%
4…c6 1% 1% -0.1%
4…e6 0% 1% +0.2%
4…dxc4 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
4…Bg7 — 97.9% (4610 parties)
1950 — O`leary, Christian vs Flood, J A — 0-1 — Belfast IRL
1950 — Gusev, Aleksandr vs Averbakh, Yuri L — 1/2-1/2 — Tula RUS
1950 — Larsen, Ingrid vs Hermanova, Roza — 1-0 — Moscow RUS
1951 — Nurnberg, F. vs Teschner, Rudolf — 0-1 — Augsburg GER
1951 — Bogoljubow, Efim vs Heinicke, Herbert — 1-0 — Augsburg GER
4…c6 — 1.3% (61 parties)
1966 — Martinez, Gustavo vs Araiza Munoz, Jose Joaquin — 1-0 — Havana CUB
1975 — Witkowski, Stefan vs Luczynowicz, Waclaw — 1/2-1/2 — Poland ch13
1982 — Madikwe, G. vs Solomon, Rathna Sekaran — 1/2-1/2 — Luzern olm
1990 — Flear, Christine vs Guillon, Cyril — 1-0 — Chartres open
1990 — Taivainen, Jukka vs Penttinen, Jarkko — 0-1 — Tampere,FIN
4…e6 — 0.5% (23 parties)
1989 — Jones, Andrew vs Draper, Martin — 1-0 — Grand Rapids op
1992 — Bello AbdulMalik Olamide vs Villaraga Cova, David — 0-1 — Duisburg Wch U10m
1993 — Fydrych, Jan vs Hautasaari, Kai — 1/2-1/2 — Helsinki FIN
1994 — IBRAHIM vs Sequeda Mendoza, Nancy Stella — 0-1 — Szeged HUN
1996 — Theim, Lothar vs Winter, Alexander — 1-0 — WT/II/GT/34
4…dxc4 — 0.1% (6 parties)
1994 — Ambros, Hans vs Alberti, Riccardo — 1-0 — Schloss Schney (25.03.-02.04)
1999 — Koscevic, Marija vs Plese, Marija — 0-1 — Pula CRO
2003 — Vasilev, Dimitar P. vs Dojchinov, At — 1-0 — Borovetz
2004 — Moeller, Manuel vs Loschek, Jan — 0-1 — Muelheim
2010 — Beliavsky, Alexander G vs Ruck, Robert — 1-0 — Gostovanja