Rameshbabu Praggnanandhaa
Full name: Rameshbabu Praggnanandhaa
Country: India
Born/Date of Birthday: 10 August 2005
Place of Birth: Chennai, Tamil Nadu, India
Parents: Nagalakshmi, Rameshbabu
Siblings: Vaishali Rameshbabu
Title: Grandmaster (2018)
FIDE rating: 2612 (February 2022)
Peak rating: 2618 (October 2021)

Rameshbabu Praggnanandhaa (born 10 August 2005) is an Indian chess grandmaster. A chess prodigy, he is the fifth-youngest person ever to achieve the title of Grandmaster (GM), behind Abhimanyu Mishra, Sergey Karjakin, Gukesh D and Javokhir Sindarov. He is the younger sibling of Vaishali Rameshbabu.

Chess career
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 2018, Praggnanandhaa was invited to the Magistral de 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). 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 the next best placed competitors. This win helped him qualify for the next Meltwater Champions Chess Tour on 24 April 2021, where he finished in 10th place with a score of 7/15 (+4-5=6), including wins against Teimour Radjabov, Jan-Krzysztof Duda, Sergey Karjakin, and Johan-Sebastian Christiansen as well as a draw against World Champion Magnus Carlsen.

Praggnanandhaa entered the Chess World Cup 2021 as the 90th seed. He defeated GM Gabriel Sargissian 2–0 in round 2, and advanced to round 4 after defeating GM Michał Krasenkow in the rapid tiebreaks in round 3. He was eliminated in round four by Maxime Vachier-Lagrave.

Praggnanandhaa played in the Masters section of the Tata Steel Chess Tournament 2022, winning games against Andrey Esipenko, Vidit Gujrathi and Nils Grandelius, finishing in 12th place with a final score of 5½.

On February 20, 2022, he became the third Indian player to win a game against World Champion Magnus Carlsen, in an online rapid tournament.