João de Souza Mendes
João de Souza Mendes Júnior was a seven-time Brazilian chess champion and physician. Prior to emergence of Henrique Mecking, he was Brazil's most accomplished chess player.
Born in the Azores, Portugal, Souza Mendes played in the Brazilian Chess Championship 29 times, winning in 1927, 1928, 1929, 1930, 1943, 1954, and 1958. He finished second five times, the last time in 1965 at age 73 when thirteen-year-old Henrique Mecking won, and took third five times.
He played for Brazil in Chess Olympiads at Buenos Aires 1939 and Helsinki 1952.
Souza Mendes died in Rio de Janeiro.