Chess puzzle no.266

White to play. This position is from Anand-Nakamura, Norway Masters. What is White’s best move? Answers to me at The Spectator by Tuesday 21 May 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 I shall be offering a prize of £20. Please include a postal address and allow six weeks for prize delivery.
 
Last week’s solution 1 … g3+
Last week’s winner Peter Skelly, Brickhill, Bedford