Petrosian, Arshak B (2470) | |
Osnos, Viatcheslav (2455) | |
Event: URS-ch sf | |
Site: Sverdlovsk | Date: ??/??/1984 |
Round: ? | Score: ½-½ |
ECO: E11 Bogo-Indian defence, Gruenfeld variation |
Petrosian, Arshak B (2470) | Osnos, Viatcheslav (2455) |
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