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> ECO Openings Starting With This Line: 1
Gruenfeld (D97)
Russian, Byrne (Simagin) variation
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6