Vishnu Prasanna Vasanthan Perumal is an Indian chess grandmaster and coach.
Vishnu began playing chess at the age of 12 after being introduced to the game by his mother.
[2] He won the 2013 Chennai Blitz Championship, remaining undefeated throughout the tournament and defeating grandmasters J. Deepan Chakkravarthy, Adhiban Baskaran, and Shyam Sundar M.[3] In 2013, Vishnu turned to coaching shortly after earning the Grandmaster title.
He is best known for having coached grandmaster Gukesh D, whom he first met in July 2017.
[2] In November 2022, Vishnu and his wife launched a chess club in the Anna Nagar neighborhood of Chennai.