12-year-old Grandmaster Abhimanyu Mishra (Englishtown, NJ) is the youngest Grandmaster in history. At age 12 years, 4 months, and
25 days, Mishra earned his third and final norm at the Vezerkepzo GM Mix tournament in Budapest, Hungary, defeating GM Leon Luke Mendonca. This is not Mishra’s first record shattered. He was the youngest master in U.S. history at nine years and two months, and the youngest International Master ever at 10 years, nine months, and three days.
Sources:
https://twitter.com/InsideEdition/status/1452711813536169999?s=20
https://new.uschess.org/news/gm-abhimanyu-mishra-youngest-gm-history
https://www.insideedition.com/after-becoming-worlds-youngest-chess-grandmaster-new-jersey-12-year-old-is-ready-for-his-next-70520