Boris Gelfand (L) and Vishy Anand
Media playback is unsupported on your device
Video

World Chess Championships: Russia's tiebreaker challenge

The World Chess Championship is due to be decided by a tiebreaker, as the match between the current Champion Vishy Anand and the challenger Boris Gelfand ended 6-6.

Now they will play with much less time on the clock until there is a winner.

The BBC's Daniel Sandford reports from Moscow.

  • 30 May 2012