Sivakasi, the city known for being the firecracker capital of India, jolted the chess world with an almighty bang on Friday night when Tamizh Amudhan, an eight-year-old boy from the Tamil Nadu city, took down Vincent Keymer, the 21-year-old German grandmaster currently ranked seventh in the world, in an online blitz game in the Freestyle Friday tournament. What was even more remarkable was a photo of Tamizh playing the event: the boy can be seen sitting on the floor of his Thiruthangal house (a suburb of Sivakasi), legs outstretched, laptop propped up on a pillow, and the room only lit by the feeble flicker of a candle. Due to thunderstorms in the city, the power had gone off in the area. So Tamizh played on a laptop with around 48 per cent battery powered by his mother’s cell phone’s one-GB-per-day data pack being expended via hotspot to propel the little one’s internet exploits. The laptop’s battery eventually gave way an hour into the tournament, which means Tamizh could play just four games. Sathish Arumugam, Tamizh’s …