Christopher Hikaru Nakamura

Youngest to defeat an International Master in a USCF-rated game (10 years, 0 months); later surpassed by Praveen Balakrishnan at 9 years 29 days, and then by Awonder Liang at 8 years 118 days;

Youngest to defeat a Grandmaster in a USCF-rated game (10 years, 117 days); later surpassed by Fabiano Caruana at 10 years, 61 days; then surpassed by Awonder Liang at 9 years 112 days;

Youngest International Master (13 years, 2 months); later surpassed by Ray Robson at 13 years, 1 month, by Samuel Sevian at 12 years, 10 months, and then by Awonder Liang at 12 years, 7 months and 6 days old.[18At age 10, he became the youngest American to beat an International Master when he defeated Jay Bonin at the Marshall Chess Club.[8][11] Also at age 10, Nakamura became the youngest player to achieve the title of chess master from the United States Chess Federation, breaking the record previously set by Vinay Bhat. (Nakamura's record stood until 2008 when Nicholas Nip achieved the master title at the age of 9 years and 11 months.) In 1999, Nakamura won the Laura Aspis Prize, given annually to the top USCF-rated player under age 13. In 2003, at age 15 years and 79 days, Nakamura solidified his reputation as a chess prodigy, becoming the youngest American to earn the grandmaster title at the time, breaking the record of Bobby Fischer by three months.[12][13]5]