<prompt> Feleletša polelo ye e latelago: Yepez e be e le karolo ya baemedi ba Ecuador go Dikgaisano tše mmalwa tša Ditšhabatšhaba le Dipapadi: 16th Chess Olympiad ya Tel Aviv 1964, 17th Chess Olympiad ya Havana 1966,  <response>: 18th Chess Olympiad of 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 le Central America Zone Tournament FIDE, Bogotá 1972. 