
White to play and win. In this classic endgame, promoting the pawn to a queen allows a knight fork, with a draw. A king move is needed to win – but which one? Email answers (first move only) to chess@spectator.co.uk by Monday 16 June. There is a prize of a £20 John Lewis voucher 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 Qg7! If 1…Ke6 2 Qd7# or 1…Kc5/Kc4 2 Qd4#. Any other move is met by 2 Qe5#
Last week’s winner Priyanka Jhaveri, London

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