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- 7...c6 8.Be2, D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D97 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 - Grünfeld Defense: Russian Variation, SÉRIE D
Rio de Janeiro Interzonal 1979 – Round 14 – Petrosian, Tigran V – 1-0 – Bronstein, Luis Marcos – G43
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