No. 920
White to play. Khoder–Nyback, Fide Olympiad, Samarkand, 2026. White’s next move prompted immediate resignation. What did he play? Email answers to chess@spectator.co.uk by Monday 12 October. There is a prize of a £20 John Lewis voucher 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 Rd8! wins, e.g. 1...Rxd8 2 Qe5+ Kg8 3 Rh8+ Kf7 4 Rh7+ Kg8 5 Qh8 mate.