White to play. This is from Petrosian-Rosetto, Portoroz 1958. White’s knight is threatened and appears to lack a safe escape square. What did Petrosian have in mind? Answers to me at The Spectator by Tuesday 21 October or via email to firstname.lastname@example.org 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 Qe8
Last week’s winner Stephen Andrew, South Croydon