Luke McShane

no. 576

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White to play, Black to win. Shirov-Caruana from the Isle of Man. Caruana threatens 53... d1=Q 54.Qxd1 Qxb2 mate. Shirov resigned, rather than try 53.Bf7-b3 to block the b-file. What finishing touch had he foreseen for Caruana? Difficulty: Moderate. Answers via email to by Tuesday 22 October. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow six weeks for prize delivery.

Last week’s solution 1 Rd7

Last week’s winner Richard Booth, Cheltenham, Glos