 Complete the following phrase:  Viktor Miroshnichenko ; born 1 December 1959 in Donetsk, Ukrainian SSR is a retired Ukrainian boxer, who represented the USSR at the 1980 Summer Olympics in Moscow, Soviet Union. There he won the silver medal in the flyweight division  51 kg, after being defeated in the final by Bulgarias Petar Lesov. Two years later he captured the silver medal at the 