<prompt> Qedela umusho olandelayo: U-Oreste Rodríguez Vargas owazalwa ngoJulayi 4, 1943 unguMnumzane Omkhulu wasePeru GM 1978, omele iSpain kusukela ngo-1982, onqobe amahlandla amahlanu ePeruvian Chess Championship 1968, 1969, 1970, 1971, 1972, owawina indondo yesiliva ye-Olympiad Chess  <response>: 1978, umpetha wezindondo zePan American Chess Championship 1970. 