White to play and mate in two moves. Composed by Philip Hamilton Williams, Hampstead and Highgate Express, 1901. Email answers (first move only) to chess@spectator.co.uk by Monday 3 August. 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 Ba8!, e.g. 1…Kxa8 2 Qc8# or 1…Nc6 2 Qb7# or 1…Nc7 2 Qd8#
Last week’s winner Peter Clarridge, Swanley, Kent
Comments