Argentine chess Grandmaster whose success internationally and at home made him very well known in the world of chess.
He made his debut on the Argentine National Team in 1954.
He won the Argentine National Championship in 1956, 1957, 1962, 1965, 1968, 1973 and 1974.
He was born and raised in Buenos Aires, Argentina.
He competed against many of the biggest names in chess including Alexander Kotov.