In 1941, he won in Quilmes. In 1941, he took 2nd, behind Paulino Frydman in Buenos Aires, and tied for 6th–8th in the Mar del Plata 1941 chess tournament. In 1943, he took 2nd, behind Najdorf, in Rosario, and took 3rd in Buenos Aires.
He triumphed in Quilmes in 1941. He then finished as runner-up to Paulino Frydman in Buenos Aires, and shared a range of positions from sixth to eighth in the Mar del Plata tournament. In 1943, he secured second place behind Najdorf in Rosario and took third place in Buenos Aires.