Dee ihe na-aga n'ihu maka paragraf a - Yepez so na ndị nnọchi anya ndị Ecuador na ọtụtụ asọmpi na asọmpi mba ụwa: 16th Chess Olympiad nke Tel Aviv 1964, 17th Chess Olympiad
Havana 1966, 18th Chess Olympiad nke Lugano 1968, Open Tournament nke Nice - 1974 (Capitan), Panamerican Tournament nke Havana, 1968, II Tournament "Apertura" - Bogotá, 1970, Tournament "Ecopetrol - El Tiempo" - Bogotá, 1970, VIII Caribbean na Central America Mpaghara Tournament FIDE, Bogotá <unk> 1972.