Braslav Rabar vs Otto Kastel
Amsterdam ol (Men) qual-C Amsterdam NED round 4 1954.09.07
Benoni Defense: Modern Variation 0-1

Otto Kastel vs Volf Bergraser
Amsterdam ol (Men) qual-C Amsterdam NED round 2 1954.09.05
Nimzo-Indian Defense: Leningrad Variation 0-1