no. 457
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White to play. This is from Euwe-Fischer, New York 1957. How did Euwe capitalise on the threatening position of his queen? Answers to me at The Spectator by Tuesday 23 May 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 Ng5+

Last week’s winner Ilya Iyengar, Amersham, Bucks