The first chess tournament of the 2025-26 scholastic season! All K-12-aged chess players are invited to the Porum K-12 Open on Saturday, September 13 at Porum Public Schools.

Players will compete in sections according to their school grade and tournament rating. All players compete for individual awards; players from schools with chess clubs also compete for team awards.

No club or team affiliation is required. Homeschooled players are welcome.

There is no residency requirement. Players from other states are welcome to participate.

Founded in 2003, The Oklahoma Scholastic Chess Organization (OSCO) provides an annual series of chess tournaments for K-12 students throughout Oklahoma. The organization is an all-volunteer 501(c)(3) nonprofit. For more information, visit www.oklahomachess.org/osco or contact us at board@oscochess.org.