Black to play. This is a variation from Carlsen-Grischuk, London Classic 2015. Carlsen won but this week’s puzzle shows how he could have gone wrong. Black has two ways to win immediately. Can you find both key moves? Answers to me at The Spectator by Tuesday 12 January or via email to victoria@spectator.co.uk.

Disagree with half of it, enjoy reading all of it
TRY 3 MONTHS FOR $5
Our magazine articles are for subscribers only. Start your 3-month trial today for just $5 and subscribe to more than one view
Already a subscriber? Log in
Comments
Join the debate for just £1 a month
Be part of the conversation with other Spectator readers by getting your first three months for £3.
UNLOCK ACCESS Just £1 a monthAlready a subscriber? Log in