Presented by Jeremy James
An international chess tournament between eight of the world's leading Grand Masters.
Game 7: Robert Byrne (USA) v Viktor Korchnoi (SWITZERLAND)
The sensational defeat of the top seed, Korchnoi, in Round 1 has laid this group wide open. The American Grand Master must expect a hard struggle against an opponent who fought long and bitterly for the World Championship crown against the reigning champion, ANATOLY KARPOV.
Expert analysis: WILLIAM HARTSTON Director SANDRA WAINWRIGHT Producer ROBERT TONER