No. 619
Nakamura–Carlsen, August 2020. Carlsen has just advanced 40…g6-g5+, laying a nasty trap. Only one move gives White a fighting chance here — what is it? Answers should be emailed to chess@spectator.co.uk by Monday 31 August. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address