Likewise , at the 1980 Summer Olympics in Moscow , he won a silver medal , while the Soviet Union 's Viktor Vlassov won gold .
At the 1979 World Championships , he reached second place behind Bulgaria 's Nonka Matova .
At the 1980 Summer Olympics in Moscow , he won a silver medal , while the Soviet Union 's Viktor Vlassov won gold .
At the 1979 World Championships , he reached second place behind Bulgaria 's Nonka Matova .