Back to All Events 13th Annual Potomac Open Friday, August 14, 2026 7:00 PM Sunday, August 16, 2026 8:00 PM Rockville Hilton 1750 Rockville Pike Rockville, MD, 20852 United States (map) Google Calendar ICS https://mdchess.com/index.php?option=com_eventbooking&view=event&id=81&catid=1&Itemid=1548
13th Annual Potomac Open Friday, August 14, 2026 7:00 PM Sunday, August 16, 2026 8:00 PM Rockville Hilton 1750 Rockville Pike Rockville, MD, 20852 United States (map) Google Calendar ICS https://mdchess.com/index.php?option=com_eventbooking&view=event&id=81&catid=1&Itemid=1548
