White to play. This is from Polgar-Short, -Buenos Aires 2000. Here we return to the theme of Judit Polgar’s massive plus score against Nigel Short. Nigel’s logical brain no doubt spotted 1 Rxg4 Rf1+ mating. What did Judit play instead? Answers to me at The Spectator by Tuesday 12 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 am offering a prize of £20. Please include a postal address and allow six weeks for prize delivery.

Last week’s solution 1 … Qxd4

Last week’s winner Nigel à Brassard, London W1