No. 910
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.