
Oklahoma Chess Association
The official U.S. Chess affiliate for the state of Oklahoma
Registration starts Thursday, March 23 and ends at midnight Thursday, April 6.
No registrations will be accepted after the deadline.


The University of Central Oklahoma College of Business presents the
27th OKLAHOMA SCHOLASTIC CHESS STATE CHAMPIONSHIPS
Saturday, April 8, 2023
Nigh University Center Grand Ballroom
University of Central Oklahoma
100 N. University Drive
Edmond, Oklahoma 73034
ALL OKLAHOMA RESIDENT K-12 PLAYERS ARE ELIGIBLE FOR OSCO CHAMPIONSHIP EVENTS.

Team trophies for the 2023 State Championship are provided through a generous donation from Nonie Hawkins at Casady School.
THANK YOU!
SCHEDULE
Before the tournament, check your player's section and school/team code. If something doesn't look right, alert us right away at osco_treasurer@ochess.org.
8:15 Doors open. Parent/player Q&A. New players are encouraged to come at this time so we can answer your questions and help get your day off to a great start. There is no check-in requirement this year. All registered players will be entered.
9:00 Round One for all sections will begin following announcements in the playing hall. Subsequent rounds are paired ASAP with a break for lunch. Awards ceremonies take place for each section ASAP after that section's final round is complete.
GENERAL INFORMATION & RULES
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No eliminations! Every player plays every round.
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Parents are not permitted in the playing room during rounds, and players must exit when their match is finished.
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Mobile devices are prohibited on the tournament floor. If the player's device cannot be left with a parent or coach, it must be turned off and kept out of sight. Failure to comply could result in a forfeit loss.
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It is the player's responsibility to know and understand the rules by which our tournaments are governed. We ask that all players and parents read OSCO's rules before the tournament. Read them here and call/text (405) 642-6136 if you have questions.
SECTIONS & PRIZES
I. Elementary U500
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Five rounds, G/45;d0
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Who plays in this section: Elementary school students rated 0 to 499 may play in this section.
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Trophies for top three individuals and top two teams. Outstanding performance trophies for players with 4 points; medals for 3–3.5 points.
II. Elementary Championship (grades K–5)
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Five rounds, G/45;d0
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Who plays in this section: Players in grades K–5 rated 500+ (or lower-rated K–5 players who wish to play up)
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Trophies for top three individuals and top two teams. Outstanding performance trophies for players with 4 points; medals for 3–3.5 points.
III. Middle School U800
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Five rounds, G/45;d0
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Who plays in this section: Middle schoolers rated 0 to 799 may play in this section.
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Trophies for top three individuals and top two teams. Outstanding performance trophies for players with 4 points; medals for 3–3.5 points.
IV. Middle School Championship (grades 6–8)
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Four rounds, G/45;d5
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Who plays in this section: Players in grades 6–8 rated 800+ (or lower-rated 6–8 players who wish to play up)
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Trophies for top three individuals and top two teams. Outstanding performance trophies for players with 3 points; medals for 2.5 points.
V. High School U1000
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Five rounds, G/45;d0
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Who plays in this section: Players in grades 9–12 rated up to 999 may play in this section.
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Trophies for 1st, 2nd, and 3rd individuals and top two teams. Outstanding performance trophies for players with 4 points; medals for 3–3.5 points.
VI. High School Championship (grades 9–12)
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Four rounds, G/45;d5
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Who plays in this section: Players in grades 9–12 rated 1000+ (or lower-rated 9–12 students who wish to play up)
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Trophies for top three individuals and top two teams. Outstanding performance trophies for players with 3 points; medals for 2.5 points.
EQUIPMENT
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SETS are provided for tournament games, but players are encouraged to bring their own for skittles (waiting area).
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CLOCKS Please bring your own if you have one. Clocks are required in the middle school and high school championship divisions, but players with approved clocks may use them in all sections.
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SCORESHEETS and pencils are provided. Notation is required in Premier and encouraged in all sections.
TIEBREAKS
First-place ties:
1. Head-to-head results.
2. Tiebreaks are used to eliminate all but the top two players. (See below)
3. Two-game G/5 blitz match between the top two remaining players.
4. Armageddon game between the top two remaining players, if tied after the blitz match.
Other ties:
If two players are tied and there was a decisive head-to-head result, that result is used. Otherwise, OSCO uses the U.S. Chess-recommended order of tiebreaks. These are 1. Modified Median, 2. Solkoff, 3. Cumulative, 4. Cumulative of Opposition. Visit the rules page to learn about these tiebreak systems.
To register:
Entry fee $25. (Parents registering 3+ siblings at the same time: $20/player) Current US Chess membership is required.
REFUND POLICY: Upon request we will refund entry fees for cancellations emailed to osco_treasurer@ochess.org by midnight Thursday, April 6. We ask that you notify us if you must cancel after the deadline.
Questions?
Call (405) 642-6136 or send an email to info@ochess.org.
Register by April 6. Use the form on this page.
Copyright (c) 2022 Oklahoma Chess Association. All rights reserved.
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