Created by Meraki03
Last edited January 20, 2026

Koustav Chatterjee
CountryIndia
Born (2003-07-21) 21 July 2003 (age 23)
Kolkata, India
TitleGrandmaster (2023)[1]
FIDE rating2481 (September 2026)
Peak rating2548 (May 2023)

Koustav Chatterjee is an Indian chess grandmaster.

Career[edit | edit source]

In October 2021, Koustav scored his first GM-norm at Sheikh Russell GM 2021. He defeated Visakh N. R. and Vignesh N. R., and drew with J. Deepan Chakkravarthy, Michał Krasenkow, Vugar Asadli, and Stany G.A..[2]

Koustav fulfilled the Grandmaster requirements on 31 December 2022, after drawing against Mitrabha Guha in the MPL 59th National Senior Chess Championship.[3] In the 58th edition of the event a year prior, he had scored upset wins against S. P. Sethuraman and Karthikeyan Murali.[4]

Personal life[edit | edit source]

Koustav is studying finance at the University of Texas at Dallas and played on their chess team.[5] In the 2023 Texas Collegiate Super Finals, he played on board 1 for Team A.[6]

References[edit | edit source]

  1. ↑ "FIDE Title Application (GM)" (PDF).
  2. ↑ Ahmed, Shahid (8 January 2023). "Koustav Chatterjee becomes India's 78th Grandmaster".
  3. ↑ "Koustav Chatterjee becomes India's 78th Grandmaster". The Indian Express. 1 January 2023. Retrieved 5 August 2025.
  4. ↑ Nayse, Suhas (27 February 2022). "Senior National Chess Championship: Koustav Chatterjee on song; five share lead after fifth".
  5. ↑ Ahmed, Shahid (28 September 2023). "David Brodsky triumphs at 89th Annual Southwest Open 2023, Koustav, Rahul and Saksham share second place".
  6. ↑ Aslam, Aafiya (2 October 2023). "Chess team comes up short in Collegiate Super Finals".