4th Chess Olympiad
The 4th Chess Olympiad, organized by the Fédération Internationale des Échecs (FIDE) and comprising an open and (unofficial) women's tournament, as well as several events designed to promote the game of chess, took place between July 11 and July 26, 1931, in Prague, Czechoslovakia. The 3rd Women's World Chess Championship also took place during the Olympiad.