OKSChess.org
Scholastic Extension of the USCF State Chapter Oklahoma Chess Association.

OSCO tournaments are rated with Chess eXpress Ratings, plus USCF for Premier Sections, with no membership fees.

Lafayette Chen Tops The Most Improved Players List

Congratulations to Ryan Amburgy for achieving a historic place in the OSCO 2000 Hall of Fame



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Oklahoma's Past National Invitational Representatives

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The OSCO website is being entirely updated. It will take some time to complete and pages not yet ready will display this construction page. Thank you for your patience.