Puzzles

no. 528

White to play. This position is from Khmelniker-Harari, Isle of Man 2017. How did White make the most of his passed c-pawn? Answers to me at The Spectator by Tuesday 23 October or via email to victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out of a hat. Please include a

no. 527

White to play. This is from Pace-Aguilar, Batumi Olympiad 2018. How did White finish off crisply? Answers to me at The Spectator by Tuesday 16 October or via email to victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow six weeks

no. 526

White to play. This position is from Giron-Altaya, Batumi Olympiad 2018. Can you spot White’s classic winning combination? Answers to me at The Spectator by Tuesday 9 October or via email to victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow

no. 525

White to play. This position is from Rogers-Milos, Manila Olympiad 1992. How can White do better than recapturing on c3? Answers to me at the Spectator by Tuesday 2 October or via email to victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address

no. 524

Black to play. This position is from Gurgenidze-Tal, Moscow 1957. What is the most direct way to break into the white position? Answers to me at The Spectator by Tuesday 25 September or via email to victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out of a hat. Please include a

no. 523

Black to play. This position is from Potkin-Caruana, Dagomys 2010. How did Caruana finish off with a flourish? Answers to me at The Spectator by Tuesday 18 September or via email to victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow

no. 522

White to play. This position is a variation from Caruana-Karjakin, St Louis 2018. Can you spot White’s classic mating finish? Answers to me at The Spectator by Tuesday 11 September or via email to victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address

no. 521

White to play. This is from Mamedyarov–Georgiadis, Biel 2018. Many of Mamedyarov’s games feature a kingside attack based upon a powerful bishop on the b2-square. Here, his next move led to a decisive increase in pressure against the black king. What was it? Answers to victoria@spectator.co.uk by Tuesday 4 September. There is a prize of

no. 520

White to play. This position is from Nakamura-Mamedyarov, St Louis 2018. Unfortunately for Mamedyarov, he has just blundered in a winning position. How did Nakamura exploit his lapse? Answers to me at The Spectator by Tuesday 28 August or via email to victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out

No. 519

White to play. This position is from Fernandez-Pritchett, Hull 2018. White found an extraordinary, problem-like move to finish the game. Can you see it? Answers to me at The Spectator by Tuesday 21 August or via email to victoria@-spectator.co.uk. There is a prize of £20 for the first correct answer out of a hat. Please

no. 518

Black to play. This is from Howell-McShane, British Championship, Hull 2018. This was the conclusion of the game that enabled Luke McShane to finish joint first with Michael Adams and force a play-off. How did Black conclude? Answers via email to victoria@spectator.co.uk by Tuesday 14 August. There is a prize of £20 for the first

no. 517

Black to play. This position is from the classic game Réti-Alekhine, Baden Baden 1925. What was Black’s next move? It does not win at once but it successfully fuels the flames of Black’s initiative. It also forms a thematic pendant to this week’s trio of three thunderous rook incursions. Can you find it? Answers to

no. 516

Black to play. This position is from Brown-Adams, British Championship, Bournemouth 2016. Black has various ways to force mate but only one move does the job in five moves at most. Can you find it? Answers to me at The Spectator by Tuesday 31 July or via email to victoria@spectator.co.uk. There is a prize of

no. 515

Black to play. This is from Carlsen-Polgar, Mexico 2012. Judit had been struggling in this game but when Carlsen slipped up she was quick to spot the opportunity. Black’s next destroyed the white position. What was it? Answers to me at The Spectator by Tuesday 24 July or via email to victoria@spectator.co.uk. There is a

no. 514

Black to play. This is from Karpov-Korchnoi, Dortmund 1994. In this unusual position Karpov has two queens but Korchnoi’s forces coordinate much more efficiently. His next move led to a decisive material gain. Can you see it? Answers via email to victoria@spectator.co.uk by Tuesday 17 July. There is a prize of £20 for the first

no. 513

White to play. This is from Nakamura-Kramnik, Paris Blitz 2018. The third victim of Nakamura’s hypnotism was Vladimir Kramnik who, in a more or less balanced position, has just played his rook to d7. Why was this a horrible mistake? Answers via email to victoria@spectator.-co.uk by Tuesday 10 July. There is a prize of £20

no. 512

White to play. This position is from Anand-Caruana, Leuven Blitz 2018. How did Anand achieve a winning material advantage? Answers to me at The Spectator or via email to victoria@spectator.co.uk by 3 July. The winner will be the first correct answer out of a hat, and each week I shall be offering a prize of

Puzzle no. 511

White to play. This position is a variation from So-Carlsen, Norway Chess 2018. The world champion suffered a reverse in this game. How would So have concluded here? Answers to me at The Spectator by Tuesday 26 June or via email to victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out

no. 510

Black to play. This position is from Korchnoi–-Karpov, World Championship game 17, Baguio 1978. Can you spot Karpov’s dramatic finish? Answers to me at The Spectator by Tuesday 19 June or via email to victoria@spectator.co.uk. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address

no. 509

Black to play. This is from Pillsbury-Lasker, St Petersburg 1895/96. Black has sacrificed two rooks for a bishop to drive the white king into the open. What is the correct move to conclude the attack? Answers to me at The Spectator by Tuesday 12 June or via email to victoria@spectator.-co.uk. There is a prize of £20 for