No. 764
White to play and mate in two. Composed by Sam Loyd, Lynn News, 1859. Answers should be emailed to chess@spectator.co.uk by Monday 14 August. 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 Rf8+! Rxf8 2 Qh8+! Kxh8 3 exf8=Q mate.