no. 477
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White to play. This is from Anand-Esserman, Isle of Man 2017. White now killed off the exposed black king. What was the key move? Answers to me at The Spectator by Tuesday 10 October or via email to There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow six weeks for prize delivery.

Last week’s solution 1 Qxc8

Last week’s winner Alan Norman, Impington, Cambridge