White to play. This is from Caruana–Nakamura, Sinquefield Cup, St Louis 2014. Caruana could have registered an even greater performance in St Louis had he taken his chance here. He played 1 Bf2. What did he miss? Answers to me at The Spectator by Tuesday 16 September or via email to victoria@spectator.co.uk. The winner will be the first correct answer out of a hat, and each week there is a prize of £20. Please include a postal address and allow six weeks for prize delivery.
Last week’s solution 1 Rc8+
Last week’s winner Ian Samson, London EC4

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