Puzzle 78688:
Puzzle 78688:
Anatoly Karpov (2725) - Mikhail Gurevich (2650)
Reggio Emilia91 Top16 Reggio Emilia, 1991 Karpov - Gurevich, Reggio Emilia 1991
Reggio Emilia91 Top16 Reggio Emilia, 1991 Karpov - Gurevich, Reggio Emilia 1991