Black to play. This position is from Mecking-Basman, Hastings 1966. How did Black make the most of his active knights? Answers to me at The Spectator by Tuesday 6 June or via email to ­victoria@spectator.co.uk. 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 … Qxc4
Last week’s winner Alexander Denley, London NW3