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The Oklahoma Scholastic Chess Organization (OSCO) is an all-volunteer nonprofit organization. We provide chess tournaments for K-12 students throughout Oklahoma. For information about volunteering or hosting a tournament at your school, or if you'd like to make a donation, contact us at

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School teams vs. club teams: What's the difference?

A school team is defined as a group of players that have their primary enrollment in the same school. No combined schools are allowed. A school is defined as the same building or connected buildings under the same name, or a homeschool group of players who do not spend any part of the school day in any K-12 building. To provide a team option to players whose schools do not have a chess club, OSCO allows members of non-school chess clubs to register as teams and compete for team awards at tournaments.


If your player's chess club meets at a school, the club team rules do not apply. If your chess club meets outside of school, but all its members attend the same school, the club team rules do not apply.


The club team rules apply if your player meets regularly for chess practice with others who do not attend the same school. One person from the club team (a parent or coach) must register the team with OSCO. Registration is free. 


Club team players/coaches/parents should be aware of the rules below.

Club team rules

Club team players must meet regularly in person (not online) and practice together.

Club teams must have meeting time and place published online (on a website, Facebook page, etc.)

A player may compete with either a club team or a school team, but not both.

Only one change (from club team to school team, for example) per academic year is permitted.

A player may not compete on a new team for the first time at the state championship.

Club teams must register with OSCO prior to competing together at a tournament.

In order to maintain the integrity of the Club Team definition, players found to be participating in tournaments as a Club Team member but NOT meeting and practicing as part of the Club Team will be subject to a one-game suspension of both the team and player on the first offense and for one calendar year for repeat offenses.

Homeschool teams 

Homeschooled players who attend the same homeschool group may register with the name of the homeschool group in the "School" field when signing up for a tournament. ( = if you go to school together, it's a school team, not a club team.) Homeschooled players who do not attend the same homeschool group may form club teams; see the rules above. ( = if you don't go to school together but you meet regularly for chess practice, it's a club team.)

Homeschooled siblings who are not part of a club will automatically be entered as a team.


Send an email to or call (405) 642-6136.

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