In_Association_with_Amazon

ECO CODES

D97 Gruenfeld: Russian variation with e4
1. d2d4 g8f6 2. c2c4 g7g6 3. b1c3 d7d5 4. g1f3 f8g7 5. d1b3 d5c4
6. b3c4 0-0 7. e2e4
















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