75th Oregon Open
August 30-September 1, 2025, Labor Day Weekend Sponsored by the Oregon Chess Federation (OCF) and Portland Chess Club (PCC) FORMAT: The tournament is a 6-round Swiss paired event with two […]
August 30-September 1, 2025, Labor Day Weekend Sponsored by the Oregon Chess Federation (OCF) and Portland Chess Club (PCC) FORMAT: The tournament is a 6-round Swiss paired event with two […]