He tied for 7-8th with Jacobo Bolbochán at Mar del Plata 1936 (Isaías Pleci won).
In 1937, he won, ahead of René Letelier, in São Paulo (South American Chess Championship, Torneio Sulamericano).
In 1949, he tied for 6-9th in Mar del Plata (Héctor Rossetto won).
In 1951, he took 4th in Mar del Plata / Buenos Aires (zt; Erich Eliskases and Julio Bolbochán won).
In 1959, he tied for 7-8th in Santiago (Borislav Ivkov and Luděk Pachman won).