Arjun Erigaisi, the 21-year-old chess prodigy from Telangana, became India's no.1 ranked chess player in the latest FIDE rankings released by the International Chess Federation on Monday. With a standard rating of 2756, he surpassed the legendary Vishwanath Anand to acclaim the top rank of the country, becoming the second Indian since D Gukesh to do so.