Black to play. This position is a variation from So-Aronian, St Louis 2015. How can Black conclude the attack? Answers to me at The Spectator by Tuesday 15 September or via email to victoria@spectator.co.uk or by fax on 020 7681 3773. The winner will be the first correct answer out of a hat, and each week there is a prize of £20. Please include a postal address and allow six weeks for prize delivery.

Last week’s solution 1 … Qh5

Last week’s winner Andrew Gilmour, Cheltenham, Gloucestershire