no. 483
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White to play. This position is from Alekhine-Supico, Blindfold Simultaneous, Lisbon 1941. Can you spot White’s remarkable finish, which is based on an idea first played by Frank Marshall in 1912? Answers to me at The Spectator by Tuesday 21 November 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 Qxf7+

Last week’s winner

Andrew Gilmour, Cheltenham