The Canadian Open Chess Championship is an international level chess competition, held in Canada, each year. Organized by the Chess Federation of Canada, every year, the first tournament was held in the year 1956 in Montreal, won by Larry Evans and William Lombardy. From 1956 to 1970, the tournament was held biannually. The competition follows the Swiss system. It has nine or ten rounds that are performed in a span of 9 days. Players around the world from beginners to Grandmasters can compete in the competition.