The flagship national open championship with nine classical rounds across five rating sections and a major guaranteed prize fund.
July 11–17, 2026
90 minutes + 30-second increment from move 1
CFC ratedNepean Sportsplex
1701 Woodroffe Avenue, Nepean, ON K2G 1W2, Canada
A: $175/$200/$240/$280/$300; B: $150/$175/$200/$225/$250; C: $125/$150/$175/$200/$225; D: $100/$125/$150/$175/$200; E: $75/$100/$125/$150/$175 before Apr 1/May 1/Jun 1/Jul 1/after Jul 1; GM/WGM/IM/WIM free
Chess Federation of Canada and Eastern Ontario Chess Association