Rameshbabu Praggnanandhaa, who became the third Indian to defeat world number one Magnus Carlsen, was born on August 10, 2005 in Chennai, Tamil Nadu. He is the fifth-youngest chess Grandmaster, attaining the title aged 12 years, 10 months and 13 days. In 2016, Praggnanandhaa had become the then youngest International Master at 10 years, 10 months and 19 days.