White to play. This is a variation from Aronian-Svidler, Moscow 2016. In this game Aronian misplayed his attack and Svidler ended up winning. The puzzle shows a possible conclusion if Svidler had defended inaccurately. How can White win? Answers via email to victoria@-spectator.co.uk by Tuesday 12 April. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address.

Last week’s solution 1 … Rxe3

Last week’s winner Jason James, Cambridge