Incomplete record. This archive holds 240 games of this event; the others are missing, and the number played is not established. Frota's documented loss to Alécio Souza Damasceno has no available score; the full played total is unknown.
Result
The festival ran 28 May–12 June at Hotel Ponta Mar. Giardelli, Vescovi, Panno and Sunye shared seven points in the first open; Milos and four others scored 5½ in the second. These 240 scores span both opens, with individual stage assignments unresolved. Frota's documented loss to Alécio Souza Damasceno is missing, and the full played total is unknown.