Borge Andersen vs Ugo Cala
Amsterdam ol (Men) fin-B Amsterdam NED round 10 1954.09.22
Nimzo-Indian Defense: Classical Variation, Berlin Variation 1/2-1/2

Zoltan Kovacs vs Ugo Cala
Amsterdam ol (Men) fin-B Amsterdam NED round 1 1954.09.12
Nimzo-Indian Defense: Sämisch Variation 1-0