No. 720

White to play and mate in two moves. Composed by Edith Baird, for The Chess Amateur, 1923. Answers should be emailed by Tuesday 20 September to chess@spectator.co.uk. 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 Qxe6+! fxe6 2 Bg6 mate

Last week’s winner Adam Havercroft, Rayleigh, Essex