Boris Gelfand (L) and Vishy Anand
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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