D82f - 4…Bg7 5.e3 c5 6.dxc5 Qa5 7.Rc1 - Gruenfeld (1970)

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D82f —
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5 7.Rc1
Les coups candidats
7…dxc4 — 68.8% (1029 parties)
Ambassadeurs : Meins, Gerlef (15x), Levitt, Jonathan P (8x), Kiss, Pal (8x), Leitao, Rafael (7x), Frijling, Jeroen (7x), Kopasov, Evgeny (6x), Szymczak, Zbigniew (6x), Bonade, Massimo (6x)
7…Ne4 — 26.2% (391 parties)
Ambassadeurs : Kiss, Pal (7x), Gulko, Boris (5x), Huzman, Alexander (5x), Fedder, Steen (4x), Neverov, Valeriy (4x), Levitt, Jonathan P (4x), Berebora, Ferenc (4x), Tylecek, Drahomir (4x)
Ambassadeurs : Mirumian, Vigen (2x), Rasmussen, Bo (2x), Farnik, Kym (2x), Laux, Tino, Dr. (1x), Tichy, Vladimir (1x), Alzate, Dario (1x), Gutierrez Herrera, Jose Antonio (1x), Tasic, Branislav (1x)
7…Be6 — 1.1% (16 parties)
Ambassadeurs : Carleton, John J (2x), Gonzalez Wood, Marcos Antonio (1x), Pride, Stephen C (1x), Eisengraeber-Pabst, Axel, Dr. (1x), Moscoso Sanchez, Fernando (1x), Fischer Rodriguez, Juan Manuel (1x), Jacobsen Bent (1x), Baumegger, Siegfried (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…dxc4 7…Ne4 7…O-O 7…Be6
<1800 19 68% 32% — —
1800-2200 328 69% 25% 5% 1%
2200-2600 884 70% 25% 2% 1%
2600+ 91 77% 18% 3% —
Évolution par décennie (% des parties)
Décennie N parties 7…dxc4 7…Ne4 7…O-O 7…Be6
1960s 6 100% — — —
1970s 37 57% 38% — 5%
1980s 146 44% 56% — —
1990s 232 55% 39% 3% 3%
2000s 421 74% 23% 2% 0%
2010s 550 79% 17% 3% 1%
2020s 103 62% 14% 15% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…dxc4 79% 62% ▼ -16.8%
7…Ne4 17% 14% ▼ -3.1%
7…O-O 3% 15% ▲ +11.8%
7…Be6 1% 1% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 6 parties
Karpov, Anatoly — 3 parties
Carlsen, Magnus — 3 parties
Kramnik, Vladimir — 3 parties
Ju, Wenjun — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
7…dxc4 — 68.8% (1029 parties)
1964 — Wexler, Bernardo vs Foguelman, Alberto — 1-0 — Buenos Aires ARG
1965 — Larsen, Benjamin Holsko vs Tal, Mikhail — 1-0 — Bled SLO
1966 — Ageichenko, Genadi A vs Gik, Evgeny — 1-0 — USSR
1968 — Martz, William vs Brasket, Curt J — 1-0 — St Paul Open
1968 — Martz, William vs Smejkal, Jakub — 1/2-1/2 — Ybbs
7…Ne4 — 26.2% (391 parties)
1970 — Reshevsky, Samuel vs Hort, Vlastimil — 1/2-1/2 — Palma de Mallorca izt
1971 — Fischer, Robert J vs Petrosian, Tigran V. — 1-0 — Buenos Aires ARG
1972 — Mullen, Chris vs Ensey, Chuck — 1-0 — Berkeley
1973 — Visier Segovia, Fernando vs Saidy, Anthony — 1/2-1/2 — Lanzarote
1974 — Langeweg, Kick vs Ree, Hans — 1-0 — Wijk aan Zee NED
7…O-O — 2.9% (43 parties)
1990 — Alzate, Dario vs Gutierrez Herrera, Jose Antonio — 1-0 — COL
1992 — Laux, Tino, Dr. vs Tichy, Vladimir — 1-0 — Prague CZE
1992 — Van Rijn, Anton vs Daamen, Ferry — 1-0 — Dieren op NK
1993 — Tasic, Branislav vs Licina Vrabic, Anita — 1/2-1/2 — Ptuj CRO
1994 — Moser, Guenter vs Kwatschewsky, Leo — 1-0 — ?
7…Be6 — 1.1% (16 parties)
1971 — Carleton, John J vs Gonzalez Wood, Marcos Antonio — 0-1 — corr
1971 — Pride, Stephen C vs Carleton, John J — 1-0 — ?
1991 — Laux, Tino, Dr. vs Schlager, Thomas — 1-0 — GER
1991 — Necesany, Zdenek vs Tarnowiecki, Harald — 0-1 — corr Tch-EU
1992 — Fischer Rodriguez, Juan Manuel vs Jacobsen Bent — 0-1 — Hillerod