The Oklahoma Scholastic Chess Organization (OSCO) provides chess tournaments for K-12 students throughout Oklahoma. We are an all-volunteer 501 (c)(3) nonprofit. If you would like to volunteer, connect us with a potential tournament venue, or make a donation, contact us at board@oscochess.org.
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The OSCO 2000 Hall of Fame
The following Oklahoma K-12th grade chess players achieved a published US Chess regular/established rating of 2000 or higher prior to graduation.
achieved a 2000+ rating in February 2026.
He was in fourth grade.
achieved a 2000+ rating in June 2025.
She was in eleventh grade.
achieved a 2000+ rating in July 2022.
He was in tenth grade.
achieved a 2000+ rating in March 2022.
He was in ninth grade.
achieved a 2000+ rating in February 2019.
He was in ninth grade.
achieved a 2000+ rating in February 2013.
He was in sixth grade.
Veronika Zilajeva
achieved a 2000+ rating in June 2016.
She was in eleventh grade.
achieved a 2000+ rating in October 2013.
He was in seventh grade.
achieved a 2000+ rating in August 2013.
He was in twelfth grade.
Joshua Alexander
achieved a 2000+ rating in January 2013.
He was in seventh grade.
achieved a 2000+ rating in September 2009.
He was in twelfth grade.
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