White to play, Dubov–Artemiev, Wijk aan Zee 2020. White is pressing here, but Black seems to have everything covered. Which subtle move allowed Dubov to force a quick resignation? Answers to ‘Chess’ at The Spectator by Tuesday 18 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 49…Bxd1 50 g6! forces a pawn through, e.g. 50…hxg6 51 h7! wins.
Last week’s winner Bernard Golding, Earsdon, Whitley Bay/>
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