Rogelio Ortega vs Herbert Heinicke
Helsinki ol (Men) prel-A Helsinki FIN round 1 1952.08.10
Grünfeld Defense: Flohr Variation 1/2-1/2

Rogelio Ortega vs Efim Geller
Capablanca Memorial 2nd Havana CUB round 7 1963.09.03
Sicilian Defense: Boleslavsky Variation 0-1