<prompt> Qedela umusho olandelayo: U-Yepez wayeyingxenye yeqembu lase-Ecuador kuma-Championships nama-Tournaments amaningana aphesheya:  <response>: I-16th Chess Olympiad yaseTel Aviv ngo-1964, i-17th Chess Olympiad yaseHavana ngo-1966, i-18th Chess Olympiad yaseLugano ngo-1968, Umqhudelwano Ovulekile waseNice - 1974 Capitan, Umqhudelwano wasePanamerican waseHavana, ngo-1968, Umqhudelwano wesibili Apertura - Bogotá, 1970, Umqhudelwano Ecopetrol - El Tiempo - Bogotá, 1970, Umqhudelwano wesi-8 weCaribbean neCentral America Zone FIDE, Bogotá 1972. 