<prompt> Qedela umusho olandelayo: U-Yepez wayeyingxenye yesithunywa sase-Ecuador emincintiswaneni eminingi yamazwe omhlaba kanye nemincintiswano: 16th Chess Olympiad of Tel Aviv 1964,  <response>: I-17th Chess Olympiad yaseHavana 1966, i-18th Chess Olympiad yaseLugano 1968, Umqhudelwano Ovulekile waseNice - 1974 Capitan, Umqhudelwano WasePanamerican waseHavana, 1968, Umqhudelwano wesibili Apertura - Bogotá, 1970, Umqhudelwano Ecopetrol - El Tiempo - Bogotá, 1970, Umqhudelwano wesi-8 weCaribbean neCentral America Zone FIDE, Bogotá 1972. 