D94o — Gruenfeld: Slav/Schlecter (1922)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 c6 6.Be2 O-O 7.O-O
Les coups candidats
7…Bg4 — 18.2% (1021 parties)
Ambassadeurs : Arkell, Keith C (5x), Westerinen, Heikki M.J. (4x), Sitnikov, Dmitrij (4x), Bosch van Rosenthal, Edzard (3x), Dienavorian, Manuel (3x), Smyslov, Vladimir (3x), Jussupow, Artur (3x), Gretarsson, Helgi Ass (3x)
7…Nbd7 — 16.8% (939 parties)
Ambassadeurs : Korchnoi, Viktor (3x), Soos, Bela (3x), Larsen, Bent Ravn (3x), Zimmerman, Yuri (3x), Malmstroem, Jan Hendrik (3x), Pfleger, Helmut, Dr. (2x), Aditya Balu Jadhav (2x), Gheorghiu, Florin (2x)
7…dxc4 — 16.4% (918 parties)
Ambassadeurs : Li, Chao b (11x), Neuman, Petr (8x), Prohaszka, Peter (7x), Semenova, Lidia K (5x), Malaniuk, Vladimir P (5x), Danin, Alexandre (5x), Pachman, Ludek (4x), Juncu, Margareta (4x)
7…a6 — 14.0% (785 parties)
Ambassadeurs : Bu, Xiangzhi (14x), Laurusas, Tomas (14x), Stefanova, Antoaneta (12x), Kamsky, Gata (12x), Welling, Gerard (9x), Murey, Jacob (5x), Kazhgaleyev, Murtas (5x), Avdeeva, Veronika (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bg4 7…Nbd7 7…dxc4 7…a6
<1800 250 16% 28% 11% 8%
1800-2200 1509 18% 27% 13% 10%
2200-2600 3059 19% 10% 19% 17%
2600+ 302 14% 4% 14% 24%
Évolution par décennie (% des parties)
Décennie N parties 7…Bg4 7…Nbd7 7…dxc4 7…a6
1950s 43 12% 26% 14%
1960s 98 12% 29% 18% 1%
1970s 99 17% 19% 17%
1980s 209 24% 18% 19% 3%
1990s 742 23% 17% 18% 7%
2000s 1208 19% 21% 15% 15%
2010s 2546 17% 15% 17% 17%
2020s 658 16% 14% 15% 15%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bg4 17% 16% ▼ -1.3%
7…Nbd7 15% 14% -0.5%
7…dxc4 17% 15% ▼ -1.5%
7…a6 17% 15% ▼ -2.8%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 6 parties
Smyslov, Vladimir — 5 parties
Karpov, Anatoly — 5 parties
Tal, Mikhail — 3 parties
Anand, Viswanathan — 3 parties
Botvinnik, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 2 parties
Carlsen, Magnus — 2 parties
Ding, Liren — 2 parties
Smyslov, Vassily — 1 partie
Gukesh D — 1 partie
Parties historiques
7…Bg4 — 18.2% (1021 parties)
1956 — Korchnoi, Viktor vs Sakharov, Yuri N — 1-0 — Ch URS (1/2 final)
1956 — Kortchnoi, V. vs Sakharov, Yuri G. — 1-0 — Tbilisi GEO
1956 — Korchnoi, Viktor vs Zurakhov, Vladlen Y — 1-0 — URS-ch sf Tbilisi GEO
1957 — Krogius, Nikolai V vs Radovici, Corvin — 1-0 — Ploiesti
1958 — Olafsson, Fridrik vs Sanguineti, Raúl Carlos — 1/2-1/2 — Portoroz izt
7…Nbd7 — 16.8% (939 parties)
1950 — Mueller, Helge vs Kongshavn, Harry — 1-0 — Dubrovnik olm
1951 — Bogoljubov, Evgeniy vs Pfeiffer, Gerhard — 1/2-1/2 — Augsburg GER
1952 — Cooper, James Ross vs Kashdan, Isaac — 1/2-1/2 — Hollywood
1956 — Bosch van Rosenthal, Edzard vs Dorn, Max — 1-0 — Lenzerheide
1957 — Primavera, Giuseppe vs Palmiotto, Fiorentino — 1-0 — Reggio Emilia ch ITA
7…dxc4 — 16.4% (918 parties)
1950 — Eros, Plata vs Kopetzky, Karl — 1-0 — Vienna AUT
1953 — Rossetto, Hector vs Letelier Martner, Rene — 1-0 — Mar del Plata ARG
1953 — Rossetto, Hector vs Letelier Martner, Rene — 1-0 — Mar del Plata ARG
1954 — Sansas, Andre vs Boutteville, Cesar — 0-1 — Marseille FRA
1958 — Pachman, Ludek vs Pomar Salamanca, Arturo — 1-0 — Munchen olm
7…a6 — 14.0% (785 parties)
1965 — Filip, Miroslav vs Damjanovic, Mato — 1/2-1/2 — Zagreb CRO
1987 — Nogueiras Santiago, Jesus vs Granda Zuniga, Julio E — 1/2-1/2 — Zagreb CRO
1987 — Dizdar, Goran vs Tischbierek, Raj — 0-1 — Halle GER
1988 — Cvitan, Ognjen vs Dizdar, Goran — 1/2-1/2 — Sarajevo BIH
1988 — Karpov, Anatoly vs Ljubojevic, Ljubomir — 1/2-1/2 — Amsterdam NED