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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D93 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3 - Grünfeld Defense: Three Knights Variation, Hungarian Variation (1950), D93e - 7.Rc1 - Gruenfeld (1924), SÉRIE D
Moskou ch-URS 1976 – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Geller, Efim P – G10
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