Ladislav Alster vs Vlastimil Stulik
CSR-ch Prague CSR round 11 1953.??.??
King’s Indian Defense: Sämisch Variation 1-0

Ladislav Alster vs Prochazka
Melnik, CZE Melnik CZE 1944.??.??
Indian Defense: Budapest Defense 1-0

Milko Bobotsov vs Ladislav Alster
CSR-BUL Prague round 2 1950.??.??
Sicilian Defense: Dragon Variation, Classical Variation 1-0

Josef Rejfir vs Ladislav Alster
Marianske Lazne/Praha Marianske Lazne / Prague CSR round 4 1956.06.??
English Opening: King’s English Variation 1-0

Ion Balanel vs Ladislav Alster
Erfurt Erfurt GDR round 3 1955.09.??
Sicilian Defense: Taimanov Variation, American Attack 1/2-1/2

Ladislav Alster vs Frantisek Blatny
CSR-ch Bratislava CSR round 1 1959.01.22
Dresden Opening: The Goblin 1/2-1/2

Ladislav Alster vs Laszlo Szabo
Marianske Lazne Marianske Lazne CSR round 2 1959.04.10
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation 0-1

Reginald Walter Bonham vs Ladislav Alster
Match MCCU-CZE Birmingham ENG round 1 1947.06.17
King’s Indian Defense: Normal Variation, Deferred Fianchetto 1-0

Vilem Olexa vs Ladislav Alster
CSR-ch Ostrava CSR round 2 1960.02.06
English Opening: Drill Variation 0-1

Miroslav Betak vs Ladislav Alster
CSR-ch Prague CSR round 2 1955.11.19
Alekhine Defense 0-1