White to play. Erigaisi–Liem, Tata Steel Rapid, 2021. Here 1 Rxf6? Qd1+ sees White getting mated on the back rank. The 18-year-old Indian grand-master found a much stronger move. What did he play? Email answers to firstname.lastname@example.org by Monday 29 November. 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 Bg5! g1=Q 2 Bd2+ Kb6 3 Be3+ Qxe3 4 Nd5+ wins the queen
Last week’s winner Boris Alperowicz, South Nutfield, Surrey