10/8/2022 – Three decisive games were seen both at the U.S. Championship and the U.S. Women’s Championship in Friday’s third round. In the open, Fabiano Caruana and Awonder Liang scored their first wins of the event, while Christopher Yoo grabbed a second victory in a row. Among the women, Tatev Abrahamyan, Gulrukhbegim Tokhirjonova and Ruiyang Yan collected full points. | Photo: Austin Fuller

10/7/2022 – The two players who kicked off the U.S. Championship with losses bounced back immediately by winning their round-2 games in Saint Louis. Elshan Moradiabadi defeated Awonder Liang, while Christopher Yoo got the biggest win of his young career as he took down Wesley So with the black pieces. Meanwhile, in the women’s event, three players still have a perfect score — Jennifer Yu, Alice Lee and Megan Lee. | Photo: Lennart Ootes

9/22/2022 – Magnus Carlsen won all three of his games on Wednesday to finish a whole nine points ahead of second-placed Arjun Erigaisi at the preliminary stage of the Generation Cup. Besides Arjun, four other under-20 players made it to the quarterfinals, including the youngest participant in the field, Christopher Yoo (pictured). As for the elite grandmasters, Levon Aronian barely made it through, while Anish Giri fell just short. | Photo: Lennart Ootes / Saint Louis Chess Club

7/19/2022 – The national junior and senior chess championships have concluded in Saint Louis, with 15-year-old GM Christopher Yoo taking home the 2022 U.S. Junior Championship, 20-year-old FM/WGM Jennifer Yu winning the 2022 U.S. Girls’ Junior Championship, and U.S. Chess Hall-of-Famer GM Alex Shabalov beating out a field that included five other hall-of-fame inductees to become the 2022 U.S. Senior Champion. | Photo: Crystal Fuller

2/22/2022 – The Master Section of the 13th Annual Southwest Class Championships, February 17–21, ended in a tie for first between International Masters Christopher Yoo and Zurab Javakhadze, with 7.5 out of 9. Woman International Master Alice Lee made an International Master norm. Alexey Root reports from Fort Worth, Texas. | Photo: Courtesy of the Lee family

10/17/2021 – It was a rather short day at the office for the semifinalists of the Julius Baer Challengers Tour Finals, as Praggnanandhaa and Christopher Yoo only needed three games to knock out Vincent Keymer and Awonder Liang respectively. After an astounding win by Pragg, Vladimir Kramnik was full of praise for his play, even comparing him with Magnus Carlsen. “He’s playing almost like a real world champion, not a future one”, said Kramnik.

10/15/2021 – Praggnanandhaa and Christopher Yoo advanced to the semifinals of the Julius Baer Challengers Tour Finals after knocking out Volodar Murzin and Lei Tingjie respectively. While Pragg obtained a commanding 3-0 victory, Yoo was inches away from losing more than once in a match that was decided in blitz tiebreaks. The other two quarterfinal matches will be played on Friday.

10/13/2021 – The knockout Finals of the ground-breaking Julius Baer Challengers Chess Tour kick off on Thursday with German chess prodigy Vincent Keymer favourite to be crowned champion, though he will face stiff competition from the likes of Praggnanandhaa and Nodirbek Abdusattorov. At stake is $12,500 for the winner and a regular spot in next year’s elite Meltwater Champions Chess Tour.

4/10/2021 – A sole leader has emerged after 10 rounds in the Polgar Challenge for young stars. Praggnanandhaa is leading the standings table on 8½/10, a half point above Nodirbek Abdusattorov and Christopher Yoo. On day 2, Kazakhstani IM Dinara Saduakassova abandoned the competition due to continual issues with her internet connection. | Photo: León Masters

4/9/2021 – Three players are sharing the lead after round 5 at the Polgar Challenge, the first event of the Julius Baer Challengers Chess Tour. Praggnanandhaa, Christopher Yoo and Nodirbek Abdusattorov each scored 4 points on the first day of competition. Three players stand a half point behind, including Lei Tingjie, who was the sole leader after round 4 and was inches away from scoring a win in her last game of the day. | Photo: David Llada

7/2/2019 – The latest news from the Kasparov Chess Foundation includes and update on their Young Stars program and, from New York, the Harlem Children's Zone. The most recent camp for US stars took place in June in Saint Louis, while the global camp has just wrapped up in Zagreb, Croatia, alongside the Grand Chess Tour. Try your hand at a few of the studies that Garry Kasparov himself poses for the students! | Pictured: Saint Louis celebrates the Blues hockey team with a parade, as IM Christopher Yoo analyses a position

2/19/2019 – Child stars are a common sight in the chess world these days, but getting to know them more closely remains to be an enticing activity. At 12, Christopher Yoo already earned three IM norms to become the youngest American IM in history. And if he gets three GM norms in less than twenty months he will overcome Sam Sevian, United States' youngest ever grandmaster. Let us explore some curious facts about the future star. | Photo: David Llada / American Chess Magazine

1/9/2019 – The early defeat of GM Le Quang Liem (pictured) against 12-year-old Christopher Yoo at the Bay Area International Open, January 1st to 7th, in California caused a stir, but the Vietnamese grandmaster recovered with a winning streak which saw him score 5½ points from the last six rounds, and finally manage to win the tournament jointly with the Russian GM Andrey Stukopin, who also reached 7 points. Christopher Yoo, slipped to 37th place but with the consolation of earning his third IM norm, which makes him the youngest American IM ever. | Photo: David Llada

10/24/2018 – The St. Louis Fall Chess Classic has become a regular fixture on the Chess Club and Scholastic Center of Saint Louis calendar. Grandmaster ELSHAN MORADIABADI reports on both Groups A and B which had record-breaking average Elo fields fighting for USD $36,000 in prize money in the US "chess capital". Alexei Dreev (pictured left) and Hovannes Gabuzyan emerged victorious after nine rounds of play. | Photos: Austin Fuller