Evgeny Sveshnikov vs Guillermo Estevez Morales
Capablanca Memorial Cienfuegos CUB round 2 1979.05.??
Sicilian Defense: Alapin Variation 1-0

Niamdorzi vs Guillermo Estevez Morales
Chess Olympiad Final-B Skopje YUG round 1 1972.09.27
Sicilian Defense: Scheveningen Variation 1-0

Alberto Barreras vs Guillermo Estevez Morales
Capablanca Memorial Cienfuegos CUB round 5 1979.05.??
Benoni Defense: Taimanov Variation 1/2-1/2

Guillermo Estevez Morales vs Mikhail Tal
Leningrad Interzonal Leningrad URS round 3 1973.06.05
Sicilian Defense: Najdorf Variation, Scheveningen Variation 1-0