White to play and mate in two moves. Composed by Henri Gerard Marie Weenink in The Good Companion (1919). Answers should be emailed to chess@spectator.co.uk by Tuesday 9 May. 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 Nd5! locks the knight on a8. 1…b4 2 f6 b3 3 f7 b2 4 Nc3 and wins.
Last week’s winner Paul Le Druillenec, London N1

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