The International Braille Chess Association (IBCA) is organization for blind and visually impaired chess players. The IBCA is a FIDE-affiliated chess organization as well as a part of the International Blind Sports Federation. The International Braille Chess Association originated informally in 1951 with the organization of the first international correspondence chess tournament for blind players, by Reginald Walter Bonham; the tournament included 20 players representing 10 countries. It first organized an over-the-board tournament in 1958, with representatives from seven countries. Today, it has grown to encompass over 50 member nations around the world. The IBCA hosts two major competitions: the Blind Chess Olympiad and the .