Ladislav Alster vs Reginald Walter Bonham
Match MCCU-CZE Birmingham ENG round 2 1947.06.18
Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line 1/2-1/2

Jiri Podgorny vs Ladislav Alster
CSR-ch Prague CSR round 12 1953.??.??
Benoni Defense: Benoni Gambit Accepted 0-1

Ladislav Alster vs Vaclav Brat
CSR-ch Prague CSR round 13 1953.??.??
Colle System: Rhamphorhynchus Variation 1/2-1/2

Frantisek Zita vs Ladislav Alster
CSR-ch Prague CSR round 14 1953.??.??
Sicilian Defense: Alapin Variation, Sherzer Variation 1-0

Josef Louma vs Ladislav Alster
CSR-ch Bratislava CSR round 2 1948.08.16
Sicilian Defense: Dragon Variation 1-0