Black to play. This position is from Carlsen-Bu, Fidé World Cup, Tbilisi 2017. Can you spot Black’s winning coup? Answers to me at The Spectator by Tuesday 19 September 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 … Qxc6+
Last week’s winner D.V. Jones, Bitterne, Southampton