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.

Interview with Oklahoma's own Veronika Zilajeva - NGIT Champion!!

If you're not receiving OSCO Scholastic Chess Update email messages, email to get on the list

IMPORTANT: OSCO 2018-2019 Rule Changes. Registration fees, New Club Teams, New Awards, Sections at Non-Championship Events, Qualification and Tiebreaker Rules for National Invitationals, OSCO Board

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What's New

on the OSCO Website

16 Sep 18 Added results from 15 Sep 18 Cleveland/OSSM tournament with photo gallery.
     On the News page and all page headers, added Interview with Veronika Zilajeva: “Chess Helps me Relax” by Jennifer Shahade - USCF

25 Aug 18 Added the Benefits of Chess page

23 Aug 18 Added the FAQ page

20 Aug 18 Posted News: OSCO 2018-2019 Rule Changes

19 Aug 2018 Posted Champions for the 2017-18 season, added a Donations page and updated the Memberships page.

16 Aug 2018 Posted Tournament Results for the 2017-18 season

14 Aug 2019 The OSCO website is being entirely updated. Navigation is improved. Upcoming events are listed the left of all pages. Content lost a few years back is being restored, if its still relevant. It will take some time to complete and pages not yet ready will display a construction page. Thank you for your patience.
     You can help
by providing emailing your chess meeting information to be posted on the Schools & Clubs page. For teams participating in OSCO tournaments, see the new club team rules and school team rules now expanded to address various student types.
     Denker, Barber and National Girls Invitational contenders should visit the new National Invitational Representatives page for this years' point accumulation and tiebreak rules.
     Governance page shows the current policy board members with terms, annual meeting date and current bylaws.