<prompt> Pedzisa mutsara unotevera: Orestes Rodríguez Vargas akaberekwa musi wa4 Chikunguru 1943 ndiPeruvia Grandmaster GM 1978, uyo anomiririra Spain kubvira 1982, kashanu-nguva Peruvian Chess Championship mukundi 1968, 1969, 1970, 1971, 1972, Chess Olympiad mumwe sirivha menduru weNobel  <response>: 1978, Pan American Chess Championship medalist 1970. 