Black to play. This is from Cochrane-Staunton, London 1842. How did Staunton exploit his menacing build up of pieces on the kingside? Answers to me at The Spectator by Tuesday 14 April or via email to victoria@spectator.co.uk or by fax on 020 7681 3773. The winner will be the first correct answer out of a hat, and each week I am offering a prize of £20. Please include a postal address and allow six weeks for prize delivery.

Last week’s solution 1 h7+

Last week’s winner Dennis Brierly, Falmouth, Cornwall