The Águas de São Pedro International Tournament (Portuguese: Torneio Internacional de Águas de São Pedro) was a chess tournament held from 2 to 26 July 1941 in Águas de São Pedro and São Paulo. The event, the first international chess tournament of Brazil, was organized by the São Paulo Chess Club and sponsored by Antonio and Octavio Moura Andrade, being the latter founder of Águas de São Pedro and owner of the Grande Hotel.
European masters were invited, as well as South American masters. The representatives of Brazil were selected by the Brazilian Confederation of Chess and the São Paulo Chess Club.
The tournament would begin on June 30, but it was preferred to start the competition on July 2. Most of the matches took place at the Grande Hotel in Águas de São Pedro, but the last four have occurred in São Paulo. Of these four, two occurred in the foyer of the Municipal Theatre, and two occurred at the headquarters of São Paulo Chess Club, on the second floor of the Martinelli Building.
The rules of the tournament were:
The tournament was won by Erich Eliskases and Carlos Guimard, that tied in the first position with 14 points each. In the second place, Paulino Frydman and Ludwig Engels tied, both with 12½ points. In the third place, Markas Luckis with 11½ points; the fourth was Mariano Castillo, with 10 points; the fifth was Aristide Gromer, with 9½ points; the sixth was Julio Bolbochán, with 8½ points; the seventh was Boris Schnaiderman, with 8 points; the eighth was Julio Balparda, with 7 points; the ninth was Julio Salas Romo, with 5½ points; tied in the tenth position, Joaquim G. Caetano Neto e José Thiago Mangini, both with 5 points; tied in the eleventh position, Arrigo Prosdocimi, Flávio de Carvalho Júnior and Álvaro José de Oliveira Penna, with 4 points each; and in the twelfth and last position, Juan B. Sanchez Palacios, with 1 point. The player João de Souza Mendes Júnior has been inscribed in the tournament but was unable to attend due to work commitments, and was therefore disqualified.