Mariano Castillo Larenas vs Erich Gottlieb Eliskases
Mar del Plata Mar del Plata ARG round 2 1950.03.09
Caro-Kann Defense 0-1

Mariano Castillo Larenas vs Vincenzo Nestler
Venice Venice ITA round 3 1950.09.30
King’s Indian Defense: Sämisch Variation 1-0

Luiz Vianna vs Mariano Castillo Larenas
Mar del Plata Mar del Plata ARG 1928.03.??
King’s Gambit Accepted 0-1

Mariano Castillo Larenas vs Enrico Paoli
Venice Venice ITA round 1 1950.09.28
Grünfeld Defense: Exchange Variation, Seville Variation 1-0

Erling Myhre vs Mariano Castillo Larenas
Dubrovnik olm Dubrovnik YUG round 1 1950.08.20
Queen’s Gambit Declined: Alapin Variation 0-1

Mariano Castillo Larenas vs Erich Eliskases
Buenos Aires Olympiad prel-B Buenos Aires ARG round 2 1939.08.25
Nimzo-Indian Defense: Sämisch Variation 1/2-1/2

Mariano Castillo Larenas vs Jose Maria Cristia
Buenos Aires Buenos Aires round 12 1935.??.??
Queen’s Gambit Declined: Albin Countergambit, Fianchetto Variation 1-0