Chess puzzle

No. 713

White to play and mate in two. Composed by Henri Rinck, La Strategie, 1892. Answers should be emailed to chess@spectator.co.uk by Monday 2 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 for prize delivery. Last week’s solution 1

No. 712

White to play and mate in two. Composed by Philip Hamilton Williams, British Chess Magazine, 1895. Answers should be emailed to chess@spectator.co.uk by Monday 25 July. 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

No. 711

White to play. Short-Timman, Staunton Memorial 2008. Short played 1 Qb3, missing an unusual opportunity to cause havoc with the pair of knights. Which move gives White a decisive advantage? Answers should be emailed to chess@spectator.co.uk by Monday 18 July. There is a prize of £20 for the first correct answer out of a hat.

No. 710

White to play. J. Polgar-Carlsen, Casual blitz game, Madrid 2022. Carlsen’s last move 15…Ra8-c8 was a losing blunder. How did Judit Polgar exploit it? Answers should be emailed to chess@spectator.co.uk by Monday 11 July. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and

No. 709

White to play. Miles-Pritchett, Lloyds Bank Masters 1982. Tony Miles found a powerful counter to the queenside threats. What did he play? Email answers to chess@spectator.co.uk by Monday 4 July. 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. 708

White to play. Rezasade-Movsesian, Bundesliga 2022. White was an underdog in this game, but found a subtle winning idea. What did he play? Answers should be emailed to chess@spectator.co.uk by Monday 27 June. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow

No. 707

White to play. Trent-Carlstedt, Hamburg 2022. Lawrence Trent spotted a way to deliver a quick mate. Which move did he play? Answers should be emailed to chess@spectator.co.uk by Monday 20 June. 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. 706

White to play and mate in 3. Composed by Sigmund Franz Josef Lehner, 1864. There are several ways to give mate in 4 moves, but it takes a delicate finesse to get the job done in 3. What is White’s first move? Answers should be emailed to chess@spectator.co.uk by Monday 13 June. There is a

No. 705

White to play. Giri-Praggnanandhaa, Chessable Masters 2022. A game from the preliminary stages. What did Giri play to induce resignation? Answers should be emailed to chess@spectator.co.uk by Monday 6 June. 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. 704

Black to play. Bacrot-Anand, Bastia Rapid 2001. A spectacular blow from Anand prompted Bacrot to resign. What did he play? Answers should be emailed to chess@spectator.co.uk by Monday 30 May. 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. 703

White to play. Vachier-Lagrave-Caruana, Bucharest 2022. The Bh4 can retreat to g3, f2 or e1. Which one is best, and why? Answers should be emailed to chess@spectator.co.uk by Monday 23 May. 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. 702

White to play. Averbakh-Zita, Szczawno-Zdroj 1950. Black has just interposed Rb6-g6, so White needs an accurate finish before e3-e2 mate arrives. What did Averbakh play next? Answers should be emailed to chess@spectator.co.uk by Monday 16 May. There is a prize of £20 for the first correct answer out of a hat. Please include a postal

No. 701

White to play. Reshevsky-Savon, Petropolis 1973. Reshevsky played the awful 1 Qxg6+, and resigned after 1…Bxg6. Many moves win, but which one forces mate in just three moves? Email answers to chess@spectator.co.uk by Monday 9 May. There is a prize of £20 for the first correct answer picked. Please include a postal address. Last week’s

No. 700

White to play and draw. Composed by Jan Timman, 2011. 1 h8=Q Rxd5 wins for Black, so how does White escape? Answers should be emailed to chess@spectator.co.uk by Tuesday 3 May. 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. 699

Black to play. Sukandar-Niemann, Reykjavik Open 2022. In this preposterous position, Black found a quick forced mate. What did he play? Answers should be emailed to chess@spectator.co.uk by Monday 25 April. 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. 698

White to play. A variation from Esipenko-Nakamura, Fide Grand Prix Berlin 2022. Which move would allow White to force a win? Email answers to chess@spectator.co.uk by Monday 18 April. 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. 697

White to play. Duda-Anton Guijarro, Charity Cup, March 2022. Black’s last move, 21…Qe7-b4 was an unforced error. Which move did White play to exploit it? Email answers to chess@spectator.co.uk by Monday 11 April. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow

No. 696

White to play and mate in two. Philip Hamilton Williams, Birmingham News, 1897. Answers should be emailed to chess@spectator.co.uk by Monday 4 April. 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 Rd4+!

No. 695

White to play and mate in 2. Composed by Bo Lindgren, Probleemblad 1969. Answers should be emailed to chess@spectator.co.uk by Monday 28 March. 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 Bh6+!

No. 694

White to play. Rapport-Rogic, Austria 2010. Black threatens Qa1+ and then Rxf2+, so Rapport must strike at once. Which move did he play? Email answers to chess@spectator.co.uk by Monday 21 March. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow six weeks