White to play. This position is from Nakamura-Karjakin, Zurich classic 2015. White’s knight seems trapped but he can rescue it with a fine tactical idea. Can you see how? Answers to me at The Spectator by Tuesday 3 March 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 Qc8 and 1 Qb8 both win
Last week’s winner Robert Gray, London SW19

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