Luke McShane

no. 581

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Bagi–Zvjaginsev, Montenegro 2019. Black to play. 61... Ke6 looks obvious, but Zvjaginsev preferred 61... Rg6! and White resigned instead of playing 62 d7. What had both players foreseen? Answers to ‘Chess’ at The Spectator by Tuesday 26 November or via email to 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 Bb3! threatens Qc6-a4#. (1…Bd7 2 Qc1+ Kxb3 3 Qc2+ Ka3 4 Qa2 mate.)

Last week’s winner Robert Coatsworth, Wotton-under-Edge, Gloucestershire