Dec 4 (Reuters) - India's Sarwagya Singh Kushwaha has become the youngest player in chess history to earn an official FIDE rating at the age of three years, seven months and 20 days.

Kushwaha, from Sagar district in Madhya Pradesh, broke the record previously held by Kolkata's Anish Sarkar, who achieved the milestone in November last year at the age of three years, eight months and 19 days.