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Christopher Woojin Yoo (born December 19, 2006) is an American chess grandmaster. He became the youngest International Master in American history in February 2019[2] until surpassed by Abhimanyu Mishra later in 2019.[3]

Christopher Yoo
Country	United States
Born	(2006-12-19) December 19, 2006 (age 15)[1] California, United States
Title	Grandmaster (2022)
FIDE rating	2573 (November 2022)
Peak rating	2567 (August 2022)

Chess career

In March/April 2018, Yoo earned clear first place in the Charlotte Chess Center's Spring 2018 IM Norm Invitational held in Charlotte, North Carolina with a score of 6.0/9.[4] Yoo won the 2020 US Cadet (under-16) Championship, which was held online due to the COVID-19 pandemic.[5]

In May 2021, Yoo tied for first place with GM Peter Prohaszka in the Memorial Day 2021 CCCSA GM Norm Invitational tournament, earning his first GM norm. [6]

In September 2021, Yoo won the Labor Day 2021 CCCSA GM Norm Invitational tournament, earning his second GM norm. [7]

In November 2021, Yoo tied for 3rd place in the 2021 US Masters Championship, earning his third GM norm.[8]

On December 12, 2021, Yoo achieved a live FIDE rating of 2500.2 after round 5 of the Marshall Chess Club Championship, fulfilling the last requirement for the Grandmaster title.

In July 2022, Yoo won the US Junior Chess Championship with 7/9, a point ahead of the field. [9]

In October 2022, Yoo defeated chess grandmaster Wesley So with the black pieces in the second round of the US Chess Championship in an over 200 point upset.

References

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