Vijay Tagore | May 3, 2021, 11:59 IST Ian Nepomniachtchi (in picture) earned the right to challenge reigning chess world champion Magnus Carlsen by ...Read More When Ian Nepomniachtchi won the Candidates Chess last week, there was renewed hope that a Grandmaster from Russia, traditionally a powerhouse in the game of black and white squares, has a chance, after a long time, to be crowned world champion, when the world title clash is held at the end of the year in Dubai. But a World Anti-Doping Agency (WADA) ban and subsequent Court of Arbitration for Sport (CAS) ruling has thrown cold water on that prospect.