Rameshbabu Praggnanandhaa (born 10 August 2005) is an Indian chess player. A chess prodigy, he is the fourth-youngest person ever to achieve the title of Grandmaster (GM), behind Sergey Karjakin, Gukesh D and Javokhir Sindarov.
Praggnanandhaa won the World Youth Chess Championships Under-8 title in 2013, earning him the title of FIDE Master at the age of 7. He won the Under-10 title in 2015.
In 2016, Praggnanandhaa became the youngest international master in history, at the age of 10 years, 10 months, and 19 days. He achieved his first grandmaster norm at the World Junior Chess Championship in November 2017, finishing fourth with 8 points.[ He gained his second norm at the Heraklion Fischer Memorial GM norm tournament in Greece on 17 April 2018. On 23 June 2018 he achieved his third and final norm at the Gredine Open in Urtijëi, Italy by defeating Luca Moroni in the eighth round to become, at the age of 12 years, 10 months and 13 days, the then second-youngest person ever to achieve the rank of grandmaster (Karjakin attained the title at 12 years and 7 months).
In 2017, Praggnanandhaa was invited to the León Masters in Spain for a four-game rapid match against Wesley So. He defeated So in game one, and after three games the score was tied at 1½–1½. In the last game, So defeated Praggnanandhaa, winning the match 2½–1½.
In January 2018, Praggnanandhaa tied for third place with GM Alder Escobar Forero and IM Denys Shmelov in the Charlotte Chess Center’s Winter 2018 GM Norm Invitational held in Charlotte, North Carolina with a score of 5.0/9.
In July 2019, Praggnanandhaa won the Xtracon Chess Open in Denmark scoring 8½/10 points (+7–0=3). On 12 October 2019, he won the World Youth Championships in the Under 18 section with a score of 9/11. In December 2019, he became the second-youngest person to be rated 2600 Elo. He did this at the age of 14 years, 3 months and 24 days.
In April 2021, Praggnanandhaa won the Polgar Challenge, the first leg (out of four) of the Julius Baer Challengers Chess Tour, a rapid online event organized by Julius Baer Group and Chess24.com for young talents. He scored 15.5/19, 1.5 points ahead of chasing packs. This win helped him qualify for the next Meltwater Champion Chess Tour on 24 April 2021, where he will get a chance to compete with the world’s top Grandmasters.