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 victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out of a hat.

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