no. 562
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White to play. This is from Wassin-Grigorchuk, Izola 2019. Although the game is only just out of the opening, White can engineer a decisive material gain. What is the key move? Answers to me at The Spectator by Tuesday 16 July 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 Be8

Last week’s winner Michael Owen, Urmston, Manchester