No. 339
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White to play. This position is from Carlsen-Anand, Amber Rapidplay 2008. White is a pawn ahead but Black has counterplay. How did White now increase his material advantage with a tactical shot? Answers to me at The Spectator by Tuesday 11 November or via email to or by fax on 020 7681 3773. The winner will be the first correct answer out of a hat, and each week I am offering a prize of £20. Please include a postal address and allow six weeks for prize delivery.

Last week’s solution 1 Nxe5

Last week’s winner Chris Adams, Llangollen, Wales