<prompt> Kamilisha sentensi ifuatayo: Orestes Rodríguez Vargas amezaliwa 4 Julai 1943 ni Peruvian Grandmaster GM 1978, ambaye inawakilisha Hispania tangu 1982, mara tano Peruvian Chess Championship mshindi 1968, 1969, 1970, 1971, 1972, Chess Olympiad mtu binafsi fedha medali mshindi  <response>: 1978, mshindi wa medali ya Mashindano ya Pan American Chess 1970. 