
White to play and mate in two moves. Composed by Sam Loyd, Detroit Free Press, 1877. Email answers to chess@spectator.co.uk by Monday 22 April. There is a prize of £20 for the first correct answer out of a hat. Please include a postal addressand allow six weeks for prize delivery.

Last week’s solution 1 Rb3! wins, as 1…Qxb3 2 Qd4+ leads to mate, or 1…Qf6 2 Qxc2 wins the rook.
Last week’s winner John Shipley, Tyn Y Gongl, Anglesey

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