White to play and mate in two moves. Composed by Touw Hian Bwee, Schakend Nederland 1976. The first move allows Black’s king to run in any of four directions, with a different mating response to each one. What is it? Email answers to chess@spectator.co.uk by Monday 14 February. There is a prize of £20 for the first correct answer out of a hat.

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