World Chess Federation

The World Chess Federation (French: Fédération Internationale des Échecs; abbreviated FIDE; FIDE for short) is an international sports organization founded in 1924 and headquartered in Paris, whose main tasks are to organize chess world championships, to be responsible for setting the rules of chess, and to be in charge of calculating the rating of players.... The main tasks of FIDE are to organize world chess championships, to formulate the rules of chess, and to calculate the rating of players.