At the 1979 World Championships , he reached second place behind Bulgaria 's Nonka Matova .
At the 1976 Summer Olympics in Montreal , Hartstein scored ninth place in the three - positions competition .
At the 1979 World Championships , Hartstein reached second place behind Bulgaria 's Nonka Matova .
At the 1976 Summer Olympics in Montreal , Hartstein scored ninth place in the three - positions competition .