 Nyora kupfuurira kweiyi ndima - Muna 1961, Cuéllar akakunda muCaracas zonal. Muna 1962, akaisa 22nd paStockholm Interzonal, vachikunda vose Efim Geller naViktor Korchnoi mumitambo yomunhu oga. Muna 1966, akatora 7th muHavana Eleazar Jiménez akakunda. Muna 1967, akafananidza 19-20th muSousse interzonal; Bent Larsen akakunda. Muna 1969, akaenzana panzvimbo yokutanga naBoris De Greiff muBogotá. Muna 1970, akatora 7th muBogotá Henrique Mecking akakunda. Muna 1970, akatora 14th muCaracas Lubomir Kavalek akakunda. Muna 1972, akahwina mukombe weZonal muBogotá, uye akakwanisa kuenda ku1973 Leningrad Interzonal, asi akapedza ipapo panzvimbo yekupedzisira Anatoly Karpov naViktor Korchnoi vakakunda. Muna 1980, akafananidza 4-5th muBogotá Joaquin Gutierrez akakunda. 