White to play. This position is from Petrosian–Rossetto, Portoroz 1958. What is White’s most efficient continuation? Answers to me at The Spectator by Tuesday 8 July 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 shall be offering a prize of £20. Please include a postal address and allow six weeks for prize delivery.
Last week’s solution 1 Bh3
Last week’s winner Irving Schachter, New York

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