Ian Chesterton-Marco Polo chess match

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At a Gobi Desert camp in 1289, Marco Polo challenged Ian Chesterton to a game of chess. Tegana considered it a "fascinating game of strategy of war". (TV: "The Singing Sands" [+]Part of Marco Polo, Loading...{"namedep":"The Singing Sands (2)","1":"Marco Polo (TV story)"}) The match was won after 37 moves, with Marco quietly declaring his victory with "shah mat". Afterwards, the First Doctor accepted Marco's challenge. (PROSE: Marco Polo [+]Loading...["Marco Polo (novelisation)"])