Black to move. Javakhishvili–Adams, Gibraltar 2020. Adams has a few plausible moves here, including Rf1, Rf3+ and Rxf7, but only one of them wins. Which is the right one? Answers should be sent to ‘Chess’ at The Spectator by Tuesday 4 February or via email to email@example.com. 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 Ng1! keeps everything secure. 1… Bg5 2 exd6 with a decisive advantage.
Last week’s winner Michael Blott, Fulbourn, Cambridge