Movsa Feigin vs Einar Thorvaldsson
Hamburg Olympiad Hamburg GER round 1 1930.07.13
Amazon Attack: Siberian Attack 1-0

Luis Oscar Boettner vs Einar Thorvaldsson
Buenos Aires Olympiad fin-B Buenos Aires ARG round 1 1939.09.01
Caro-Kann Defense 1-0

Reuben Fine vs Einar Thorvaldsson
Folkestone Olympiad Folkestone ENG round 1 1933.06.12
Queen’s Gambit Declined: Alekhine Variation 1-0

Einar Thorvaldsson vs Marcel Engelmann
Folkestone Olympiad Folkestone GBR round 12 1933.06.21
Slav Defense: Czech Variation, Classical System 1-0

Lodewijk Prins vs Einar Thorvaldsson
Buenos Aires Olympiad prel-C Buenos Aires ARG round 1 1939.08.24
Caro-Kann Defense: Two Knights Attack, Mindeno Variation 1-0