The 2024 Ontario Open is a 6-round Swiss, held from the 18th to the 20th of May in Toronto, Canada.

Time control is 90 minutes for the entire game with a 30-second increment from move 1.

Official Website | Results

The 2024 Ontario Open is a Victoria Day institution. This year, the Open is being hosted by Annex Chess Club on behalf of the Ontario Chess Association with four rating sections: Crown, U2200, U1800, U1400. A number of Canada's top players, including IM Nikolay Noritsyn, GM Bator Sambuev, and WGM Maili-Jade Ouellet, are playing.

The arbitration team for this event is composed of NA Keith Denning as chief arbiter, FA Uttam Dhungel as deputy chief arbiter, NA Heidi Gay as pairings arbiter, and NA Michael Corrie, Peter Lambert, Andrew Leung and FA Daniel Rokhvarger as arbiters.