No. 880
White to play. Theodorou-Dominguez, London Chess Classic Super Rapidplay, December 2025. Theodorou found a clever winning shot. Which move did he play? Email answers to chess@spectator.co.uk by Monday 5 January. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address. Last week’s solution 1 Nd4!