No. 833
White to play. Karthikeyan–Tabatabaei, Qatar Masters 2024. With his next move, Karthikeyaninitiated a winning combination. What did he play? Email answers to chess@spectator.co.uk by Monday 20 January. There is a prize of a £20 John Lewis voucher for the first correct answer out of a hat. Please include a postal address. Last week’s solution : 1
