Carlsen–Nakamura, December 2019. In the decisive playoff game, Carlsen played 1 Nxf7+ and won quickly. But there was a mate in 3 available. What is the first move? Answers should be sent to ‘Chess’ at The Spectator by Tuesday 14 January or via email to firstname.lastname@example.org. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow six weeks for prize delivery.
Last week’s solution 1…Qd5! (idea Qxg2#) 2 Qxd5 Rxf1+ 3 Kh2 Nxd5 4 Bxd5 d3 wins.
Last week’s winner Philip Markham, Lansdown, Glos