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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

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OSCO player wins U1600 at Texas Winter Championship

Our congratulations to  Oklahoma player Anurag Roy Choudhury, who took first place in the U1600 division at the 2024 Texas Winter Championship.  Way to go, Anurag! 

The event was held Saturday, January 20 at the Texas Chess Center's location in Frisco. David Gaston was chief tournament director. 


with Joel Gargus

This position was reached on the top board at the Deer Creek K-12 Open. What's kind of cool to me is that this exact position is also studied in Dvoretsky's Endgame Manual, which is widely regarded as the most comprehensive endgame text ever written.

It's White to move. Can you find the winning idea? Fortunately for you, there is no time pressure as there was for White in the game. There is more than one defensive try for Black, so be sure to plan for that!

Joel Gargus is the director of the Oklahoma City Chess Club and a regular TD at OSCO events.

The Deer Creek K-12 Open

Saturday, January 6 in Edmond

The Deer Creek K-12 Open was held Saturday, January 6 at Deer Creek 4th & 5th Center in Edmond. 191 players competed in five sections. Stillwater 10th grader William Lin took first in Premier, landing himself at the top of the list of contenders for this year's Denker Tournament of High School Champions. As of this month, the leaders for the other invitational tournaments are Lafayette Chen (Barber), Arya Roy Choudhury (Rockefeller), and Elizabeth Braddy (Haring). Two tournaments remain in this year's scholastic series; our representatives will be named following this year's state championship. 

Other section winners were Kirthika Duggisetty (K-12 U1200), Tanner Woodson (K-12 U900, after a blitz tiebreak round with Rafael Perez), Benjamin Livingston (4th-6th U600, after a blitz tiebreak round with Vaibhav Thaduri), and Wyatt Morris (K-3rd U600). 

Crosstables are here. Some photos are below; more will be posted soon. Our next tournament is March 9 in Jenks. We hope to see everyone there!

Oklahoma kids at the National Grade Championships

After their successes at the Oklahoma grade championships tournament in November, three players went on to compete at the 2023 National K-12 Grade Championships, held December 15–17 in Orlando .

Oklahoma's second-place grade winner, Anurag Roy Choudhury, finished with four points out of seven in the eighth grade division. Also scoring four out of seven was Kiara Pavithran, Oklahoma's fourth grade champion for 2023. Arya Roy Choudhury, state champion for second grade, scored five points out of seven.

More than two thousand young players participated in this year's event, which was organized by Boyd Reed for US Chess.  Results are here.

PHOTO: Arya Roy Choudhury, Kiara Pavithran, and Anurag Roy Choudhury at the 2023 National K-12 Grade Championships in Orlando, Florida.

The Cascia Hall K-12 Open

Saturday, December 8 in Tulsa

We were just shy of 200 players at this one—197 players competed in five sections at the Cascia Hall K-12 Open, held December 8 in Tulsa. Josie Braddy was chief TD and lead organizer. Other TDs were Joe Veal, Joel Gargus, Rebecca Rutledge, Huan Chen, Leo Xie, Praveen Lakshmiganapathy, Zachary Walling, and Jake Williams. 

K-3 U600 individual winners were Jonah Holt and Tristan Zhai (tied for first with perfect 5.0 scores). Four players tied with 4.0 points: Antony Mohanna, Jonathan Qin, Benjamin Kasperek, and Craig Huntersmith. Winning teams were Norman Scholastic Chess Club and University School.

Donovan Wainwright swept the 4th-6th U600 division with a perfect 5.0.  Just half point behind was second-place winner Quintin Sudmeier (4.5).  Five players ended up in a tie for third (4.0 points each): Lorenzo Folsom, Sabina Ford, Cora Winters, Cooper Tackett, and Aiden Tran. Winning teams were Norman Scholastic Chess Club and School of Saint Mary.

In the K-12 U900, Kade Bryant took first with a perfect 5.0. In second was Robert Eldridge with 4.5. Ten players tied for third with 4.0 points each: Nathaniel Dellapenta, Adhiraj Sukhdial, Dexter Gray, Cooper Nuckolls, Sawyer Smith, Dominic Ford, William Kelley, Scott Phillips, Riley McQuitty, and Caleb Rinehart. Winning teams were Moore Chess Club and Stillwater Pioneers.

Eshawn Samadder and Hayden Shriner tied for first with 3.0 out of 4 points in the K-12 U1200. In Tied for second with 2.5 out of 4 points each were Jonathan Fan and Kanishk Malli. Winning teams were Classical Academy and Moore Chess Club. 

Max Barnes won Premier with a perfect 4.0 out of 4. In second was Arkansas player Havish Kunchanapalli (3.5). Oscar Wang, Joshua Li, Joe Zacharias, and Kelvin Xie tied for third with 3.0 points out of 4. Winning teams were Central Oklahoma Chess Club and Moore Chess Club.

A few photos are below. Check back soon for a link to more photos. Crosstables are here.

The 22nd Oklahoma Scholastic Chess


The Albert Rine Memorial 22nd Oklahoma Scholastic Chess Grade Championships were held Saturday, November 18 at the University of Tulsa. 199 players competed  in eleven sections with a champion individual and team named for each.

Winning individuals and teams are listed below. Crosstables are here.


K-1st grade

Lucas Li took first place and was named Oklahoma's K-1 state champion. Brindle Morrow was second, and Isaiah Philip was third.

The winning team was University School (Tulsa).

2nd grade

Arya Roy Choudhury took first place and was named 2nd-grade state champion. Jonathan Qin was second, and Craig Huntersmith was third.

The winning team was Norman Scholastic Chess Club.

PHOTO:  TWO-TIME CHAMPS! Both Aayush Praveen (5th-grade champion) and Arya Roy Choudhury (2nd-grade champion) won their divisions for the second year in a row.

Camden Stanford.heic

3rd grade

Camden Stanford took first place and was named the state champion for 3rd grade. Benjamin Kasparek was second. Tied for third were Paarth Jain, Prish Raut, Ben Yaffe, Antony Mohanna, and Lionel Uriarte.

The winning team was Moore Chess Club.

PHOTOS: 1. Third-grade champion Camden Stanford receives his trophy from Charles M. Unruh. 2. The winning two-man team from Moore Chess Club: Paarth Jain and Prish Raut.

4th grade

For the second year in a row, Kiara Pavithran won her division at Grade. She took first place and the title for 4th-grade champion. Tied for second were Lawrence Li, Krishna Lolla, and Sriyan Lageshetty.

The winning team was Moore Chess Club.

PHOTO : The winning fourth-grade team was Moore Chess Club.  Pictured from left are Caleb Winters, fourth-grade champion Kiara Pavithran, and Sriyan Lageshetty, who tied for second in the division. Charles M. Unruh , former University School coach and a longtime friend to Oklahoma scholastic chess, presented awards at the tournament.

5th grade

Aayush Praveen took first place and was named 5th-grade state champion, winning his grade's title for the second year running. Akshaj Gillela was second. Tied for third were Jonathan Fan, Jacob So, and William Saylor.

The winning team was Moore Chess Club.

6th grade

Liam Applegate won first place and was named state champion for 6th grade. Tied for second were Dexter Gray, Adhiraj Sukhdial, Parker Langston, and Donovan Wainwright.

The winning team was Carver Middle School.

7th grade

Daniel Chugunov became a two-time Grade winner this year when he took first place and the 7th-grade state champion's title. Kevin Chen, Saideep Subedi, and Aryan Karn tied for second.

The winning team was Casady School


PHOTO: The winning 7th-grade team from Casady. From left are Saideep Subedi, Daniel Chugunov, Thomas Zacharias, and Elliot Yii.

Casady team Thomas Elliot_edited.jpg

8th grade

For the second year in a row, Angelique Chen was named champion for her grade. She took first place and the 8th-grade title. Anurag Roy Choudhury was second, and Roshan Valentine was third.

The winning team was Moore Chess Club.

9th grade

Alex Spears won first place and was named 9th-grade state champion. Sawyer Smith was second, and Hussein Sallam was third.

The winning team was Jenks High School.

10th grade

Sean Patton took first place and earned the champion's title for 10th grade. Raymond Jiang was second. Kade Bryant, Cooper Voss, and  Jaxon Dewell tied for third.

The winning team was Moore Chess Club.

Pictured below: Sean Patton (left) in his round 1 game with Franklin Thiessen.

11th grade (individual titles)

Maxwell Barnes took first place and was named 11th grade state champion. Joe Zacharias  was second. George Leydorf was third. PHOTO: Joe Zacharias and Max Barnes in round three.

12th grade (individual titles)

Benjamin Creech took first place and was named 12th grade state champion. Lewis Carr was second, and Elijah Leydorf was third.

11th/12th grades (team title)

Academy of Classical Christian Studies (pictured below) is Oklahoma's state champion team for 11th & 12th grades.

The Sequoyah K-12 Open

Saturday, October 14 in Tahlequah

Oklahoma chess player Kirthika Duggisetty of Deer Creek High School won the U1200 section at a chess tournament in Tahlequah, Oklahoma.


OSCO returned to Tahlequah on Saturday, October 14 for the second tournament of our 2023-24 season. 92 players from Oklahoma and Arkansas competed in four sections with Game/30 time controls. Oscar Wang won the event's top trophy, finishing with 3.5 out of 4 points in Premier. William Lin finished second (3.0). Elizabeth Braddy and Raymond Jiang tied for third (2.5). Stillwater Pioneers was the top-scoring team in this section.

Kirthika Duggisetty (pictured) swept the four-round U1200 with a perfect 4.0 and took home the first-place trophy in that division. A student at Deer Creek High school, Kirthika represents the Moore Chess Club team, which took home the first-place U1200 team trophy. She will compete in Premier section at the next regular-season tournament. Tied for second/third with 3.0 points each were Guaransh Gautam, Kevin Chen, and Roshan Valentine

In the U900, the first-place trophy went to unrated player Nazar Kanatov, who finished with a perfect 5.0 out of five games. Five players finished with 4.0 points. Three were from Oklahoma: Jonathan Fan, Elijah Leydorf, and Akshaj Gillella; two were Arkansas players: Kanishk Malli and Sree Pichikala. The first-place team was Moore Chess Club. Stillwater Pioneers finished second.

Scott Phillips led the Stillwater Pioneers to victory in the U600, where he scored a perfect 5.0 and won the first-place individual trophy. Four players scored 4.0 points each: Ximan Qiao, Adam Sallam, Sabina Ford, and Craig HuntersmithThe second-place team trophy in the U600 went to University School (Tulsa).

Our thanks to Debasish Roy Choudhury for taking photos at the event. A few of those are below. The rest of them are here. To view the crosstables, visit this link. Registration is open for our next tournament, the Oklahoma Grade Championships at the University of Tulsa on November 18. Don't miss it! 

An OSCO player is officially one of the...

Best in the nation!

OSCO player Arya Roy Choudhury is no stranger to the US Chess Top 100 lists,  but this month he's reached a new milestone: #8 nationwide for his age group (7 and under)! 

The ranking is based on his published rating of 1547  for October 2023. He's within 200 points of the top spot, and he shows no sign of slowing down:  When this article was published, he'd already gone up to 1589.


Congratulations to this outstanding young player! 


Pavithran scores at Novice Challenge, Texas Fall Championship

Last spring, Kiara Pavithran wrapped up her first season as an OSCO player with a first-place trophy in the elementary state championship. She’s showing no signs of slowing down. On October 7, she picked up a third-place trophy in Irving at the Texas Fall Championship (Texas Chess Center). Two weeks earlier she won the NW OKC Novice Challenge (September 30 in Oklahoma City) with a perfect score. Another scholastic player, Jax Little, tied for second. Chad Marler sponsored the event. Bart Gibbons was chief tournament director with assistance from Tom Braunlich.

The Moore K-12 Open

September 16, 2023 at Highland Park Junior High

Our first tournament of the 2023-24 season welcomed 167 players to Highland Park Junior High in Moore. Our thanks to the Moore Chess Club and the rest of our wonderful team of OSCO volunteers who made this tournament such a success! 

Elizabeth Braddy won top honors at the event, winning all her games in Premier section. Other section winners were Kevin Chen (U1200, after a blitz tiebreak round with Yahya Latif), Cannon Smith (U900, after a blitz tiebreak round with Jack Short; Bradley Schantz also tied for 1st), Kanishk Malli (4th–6th U600), and Jonathan Qin (K–3 U600). 

The team competition was dominated by the Moore Chess Club (first place, KL-12 U900 and 4th-6th U600; second place, K-12 U1200 and K-3 U600) and the Norman Scholastic Chess Club (first place, K-12 U1200 and K-3 U600). Tulsa University School took home the second-place team trophy in 4th-6th U600. In the 4th-6th U600, Tulsa University School took second.

A few of Jake Williams's photos and a complete list of winners and are below. View the rest of the photos, share and download photos here: 2023 Moore K-12 Open. To view the tournament crosstables, click here