Black to play. Turner–Jackson, Hull 4NCL GM Tournament 2021. Which move did James Jackson play to ensure a decisive advance of his passed a-pawn? Answers should be emailed to chess@spectator.co.uk by Monday 1 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 Rg8+ Kxg8 2 Qxf7+ Kh8 3 Qg8# (or 3 Qf8#). Not 1 Qxf7+ Kh6 2 Qf4+ Rg5 3 Qh4+ Rh5 which only leads to a draw.
Last week’s winner David Allcock, London SE21

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