Not too long ago, German Grandmaster Vincent Keymer was one such child prodigy. The man who recognised his potential? Chess legend Garry Kasparov.

Keymer's nearest challenger, Arjun Erigaisi, was held to a draw by Dutch star Anish Giri--a setback for the Indian's title hopes with only two rounds to play. Elsewhere in the Masters, GM Nihal Sarin ...