no. 522
Text settings

White to play. This position is a variation from Caruana-Karjakin, St Louis 2018. Can you spot White’s classic mating finish? Answers to me at The Spectator by Tuesday 11 September 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 Qf5

Last week’s winner Iain Chadwick, Edinburgh