White to play, Jones–Dominguez, New in Chess Classic, April 2021. Gawain Jones was hoping that his rook and pawn would cordon off Black’s king indefinitely. But here, at move 125, a surprising opportunity arose. What move should White have played? Email answers to chess@spectator.co.ukby Monday 17 May. There is a prize of £20 for the first correct answer out of a hat.