No. 716

Black to play. A variation from McShane-Hamitevici, Chennai 2022. I avoided this position, but lost in a different way. White would be three pawns up, but facing a fierce attack. Which move wins the game for Black? Answers should be emailed to chess@spectator.co.uk by Monday 22 August. 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 Qxh7+! Kxh7 2 Ng5+ Kg8 3 h7 mate

Last week’s winner Wendy Lott, Warnham, West Sussex