Tuhia he haere tonu mo tenei pene - Ko Yepez tetahi o nga roopu Ecuador i roto i nga whakataetae whakataetae ao me nga whakataetae: 16th Chess Olympiad
o Tel Aviv 1964, 17th Chess Olympiad o Havana 1966, 18th Chess Olympiad o Lugano 1968, Open Tournament of Nice - 1974 (Capitan), Panamerican Tournament of Havana, 1968, II Tournament "Apertura" - Bogotá, 1970, Tournament "Ecopetrol - El Tiempo" - Bogotá, 1970, VIII Caribbean me Central America Zone Tournament FIDE, Bogotá <unk> 1972.