Jindrich Trapl vs Ivan Hausner
? Trnava CSR round 11 1980.09.??
Sicilian Defense: Najdorf Variation 1-0

Jindrich Trapl vs Eduard Prandstetter
CSR-ch Ostrava CSR round 2 1976.05.??
Sicilian Defense: Najdorf Variation, Main Line 0-1

Jindrich Trapl vs Ladislav Alster
Prague ch-CSR Prague CSR round 16 1963.02.19
Sicilian Defense: Classical Variation 0-1

Jindrich Trapl vs Eduardo Perez Gonsalves
EUR-chT (Men) 2nd Oberhausen FRG round 10 1961.07.02
Caro-Kann Defense: Karpov Variation 1-0