Yuri Balashov vs Peter Biyiasas
Manila Interzonal Manila PHI round 1 1976.06.13
Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1-0

Peter Biyiasas vs Bruce M Amos
Canadian Championship Pointe-Claire CAN 1969.08.??
Sicilian Defense: Kan Variation, Gipslis Variation 1-0