Chess puzzle

No. 732

Black to play. Babula-Kovacevic, Bundesliga 2022. Black faces a fierce attack, but an extraordinary move won him the game. What did he play? Answers should be emailed to chess@spectator.co.uk by Monday 2 January. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow

Puzzle

White to play and mate in two. Composed by van Beek & Wurzburg, 1909. This is one of the problems solved by Nunn at the 2019 World Solving Championship. Please note that because of the Christmas printing schedule this is not a prize puzzle. Last week’s solution 1 Qxd3 and Black resigned: Qxd3 2 Rf7+

No. 731

White to play. Sindarov-Sarin, World Team Championship, Jerusalem 2022. Sindarov has an extra pawn and a dominant position. Which move did he play to ensure a quick knockout? Answers should be emailed to chess@spectator.co.uk by Monday 5 December. There is a prize of £20 for the first correct answer out of a hat. Please include

No. 730

White to play. Erigaisi-Mamedyarov, MeltwaterChampions Finals 2022. Erigaisi’s next move wrapped up the game in style. What did he play? Answers should be emailed to chess@spectator.co.uk by Monday 28 November. 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

No. 729

Black to play. Schwetlick-Lecroq, 32nd Correspondence World Championship. White’s last move, Qd1-b3, is a blunder that can’t have been endorsed by a computer. What did Black play to force resignation? Answers should be emailed to chess@spectator.co.uk by Monday 21 November. There is a prize of £20 for the first correct answer out of a hat.

No. 728

Black to play. Fedoseev-Carlsen, Fischer RandomWorld Championship, 2022. 1…Qd3, 1…Qc2 and1…Qh2 all create deadly threats, but only one ofthese wins. Carlsen chose wrongly. Which move should he have chosen? Answers should be emailed to chess@spectator.co.uk by Monday 14 November. There is a prize of £20 for the first correct answer out of a hat. Please

No. 727

White to play. Basman-Balshan, Israel 1980. How did Basman decide the game in his favour? Answers should be emailed to chess@spectator.co.uk by Monday 7 November. 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

No. 726

White to play. Salov-Horvath, Groningen 1983. In this treacherous rook and pawn endgame, White found the only winning move. What did he play? Answers should be emailed to chess@spectator.co.uk by Monday 31 October. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow

No. 725

White to play. Mamedyarov-J. Polgar, Fide World Blitz, Dubai 2014. Black is lagging in development, and her last move, 10…Nb8-d7, gifted White a tactical opportunity. Which move won the game for White? Answers should be emailed to chess@spectator.co.uk by Monday 24 October. There is a prize of £20 for the first correct answer out of

No. 724

White to play and mate in two. Composed by Bruce Leverett, Chess Life, 1968. What is White’s first move? Answers should be emailed to chess@spectator.co.uk by Monday 17 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

No. 723

Black to play. Giorgobiani-Sivanandan, Fide Cadets U8 Girls Championship, 2022. Black has a subtle winning move in this position. What is it? (The game continued 32…Rf1 33 Qd5 and Black won after a long fight.) Answers should be emailed to chess@spectator.co.uk by Monday 10 October. There is a prize of £20 for the first correct

No. 722

Black to play and win. A variation from the game Aronian-Ivanchuk, Julius Baer Generation Cup, September 2022. Ivanchuk could have reached this position, where he can now win at least a knight by force. What should Black’s next move be? Email answers to chess@spectator.co.uk by Monday 3 October. There is a prize of £20 for

No. 721

White to play and mate in two moves. Composed by Carl Schlechter, Allgemeine Sport-Zeitung, 1908. What is White’s first move? Answers should be emailed to chess@spectator.co.uk by Monday 26 September. 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

No. 720

White to play and mate in two moves. Composed by Edith Baird, for The Chess Amateur, 1923. Answers should be emailed by Tuesday 20 September to chess@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 for prize delivery. Last

No. 719

White to play. Cornette-Feller, French Champion-ship, August 2022. Black has just played 13…h7-h6. How did White capitalise on this mistake? Email answers to chess@spectator.co.uk by Monday 12 September. There is a prize of £20 for a correct answer out of a hat. Please include a postal address and allow six weeks for prize delivery. Last

No. 718

White to play and win. Composed by Alexey Troitsky, Novoye Vremya, 1895. Trapping Black’s queen looks unimaginable on such an open board, but it can be done. What is White’s first move? Answers should be emailed to chess@spectator.co.uk by Monday 5 September. There is a prize of £20 for the first correct answer out of

No. 717

White to play. Gormally–Claridge-Hansen, British Championships 2022 Black’s last move, Ra8-a7,was a fatal mistake. Which move won the game for White? Answers should be emailed to chess@spectator.co.uk by Monday 29 August. 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. 716

Black to play. A variation from McShane-Hamitevici, Chennai 2022. I avoided this position, but lost in a different way. White would be three pawns up, but facing a fierce attack. Which move wins the game for Black? Answers should be emailed to chess@spectator.co.uk by Monday 22 August. There is a prize of £20 for the

No. 715

White to play. Navara – Batsuren, Chennai Olympiad 2022. In this strange position Czech grandmaster David Navara found an elegant way to conclude the game. Which move did he play next? Answers should be emailed to chess@spectator.co.uk by 16 August. There is a prize of £20 for the first correct answer out of a hat.

No. 714

Black to play. Smirnov – Duda, Chennai Olympiad 2022. With his next move, Duda forced a decisive gain of material. What did he play? Answers should be emailed to chess@spectator.co.uk by 9 August. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow