 In 1941, he took 4th, after Gideon Ståhlberg, Miguel Najdorf and Paulino Frydman, in Buenos Aires (Bodas de Plata), took 4th, behind Najdorf, Moshe Czerniak and Herman Pilnik, in Buenos Aires, and tied for 10-12th in the Mar del Plata 1941 chess tournament (Ståhlberg won).In 1942, he took 5th in Mar del Plata (Najdorf won).In 1943, he took 3rd in Mar del Plata (Najdorf won).