Mumbai, April 15 -- Mumbai's 12-year-old chess talent Nivaan Rathin Khandhadia punched above his weight to win the Dr Szalay Janos Memorial U2250 Open in Hungary. Nivaan, seeded seventh, finished with 7.5 points out of 9 from seven wins and one draw. Rated 1870 in the FIDE charts, Nivaan beat a few higher-rated opponents in IM Farago Sandor and FM Mayer Istvan in a performance that pushed his ratings by 126.4...