Joao de Souza Mendes was a seven-time chess champion, playing in the Portugese Chess Championship 29 times, and playing twice for the Chess Olympiads, a biennial chess tourament which attempted to become  part of the Olympic games in 1924, but failed.
Joao de Souza Mendes was a seven-time chess champion, playing in the Portugese Chess Championship 29 times, and playing twice for the Chess Olympiads, a biennial chess tourament which attempted to become  part of the Olympic games in 1924, but failed.