Ivo Ryc vs Josef Pribyl
Czechoslovak Championship Bratislava CSR round 12 1967.05.21
Sicilian Defense: Najdorf Variation, Opocensky Variation 0-1

Jan Ambroz vs Ivo Ryc
CZE-ch 7374 Brno round 5 1973.??.??
Colle System: Rhamphorhynchus Variation 1/2-1/2