A chess prodigy, he holds the record for the world's youngest ever grandmaster, having qualified for the title at the age of 12 years, 4 months, and 25 days.

[4][5] Mishra became the youngest player ever to achieve a USCF rating of 2000 at the age of 7 years, 6 months and 22 days in September of 2016, breaking the record previously held by GM Awonder Liang.

[13][14][15] Mishra received congratulations from many players, including former record holder Karjakin[16] and Magnus Carlsen.

They noted that the average rating of Mishra's opponents was noticeably lower in Hungary than in Charlotte.

[22] Mishra won the St. Louis 2022 Spring Chess Classic B with a score of 7/9 and a tournament performance rating of 2739.