Sachin Tendulkar took to Twitter to congratulate 16-year-old Indian Grandmaster R Praggnanandhaa after he defeated world number one Magnus Carlsen in eighth round of Airthings Masters, an online rapid chess tournament. "All of 16 and to have beaten...experienced...Carlsen ...that too while playing black, is magical...you've made India proud!" he wrote. The GM became third Indian to beat Carlsen.