Bengaluru, April 29 -- Vaishali Rameshbabu's love for watching cartoons on TV prompted her parents to enroll her in after-school chess lessons as a healthy diversion. Within six months, they were looking for a coach. Her younger brother, Praggnanandhaa, was around two and a half years old at the time. The chessboard and pieces seemed like intriguing toys to him, so to keep him from disturbing his sister (she was six-and-half years old) while she practised, his parents bought him a chess set too. Praggnanandhaa went on to become the youngest-ever International Master at 10, a Grandmaster at 12, and broke into the world's top five last year. As for Vaishali, she recently made history, becoming only the second player from India to qualify for ...