Chess puzzle

White to play and mate in two moves. Composed by B.P. Barnes, Skakbladet 1961. Answers should be emailed to chess@spectator.co.uk by Monday 5 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…Qf5?

Black to play… and lose! Aronian–Van Foreest, March 2021. Van Foreest’s next move didn’t blunder his queen but was nonetheless a fatal error. Can you see what he played? Answers should be emailed to chess@spectator.co.uk by Monday 29 March. There is a prize of £20 for the first correct answer out of a hat. Please

Black to play. Kosteniuk–Koneru, Skolkovo Grand Prix, 2019. The obvious 1…Kg3 fails to 2 Rg5+ Kf4 3 Rg4+. Losing the pawn looks inevitable, but Koneru found the only move to save herself. What did she play? Answers should be emailed to chess@spectator.co.uk by 22 March. There is a prize of £20 for the first correct

White to play and mate in two moves. Composed by Philip Hamilton Williams, Birmingham Post, 1890. Answers should be emailed to chess@-spectator.co.uk by Monday 15 March. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address. Last week’s solution : 1 Qd5! Nc5+ 2 Ka2

White to play. Garcia Ramos–Maurizzi, -Barcelona 2021. Black has just played Kg8-h7, to attack White’s queen by unpinning the knight on e6. Choose between 1 Qd5, 1 Qe3 and 1 Bxe6. Which do you prefer? Answers should be emailed to chess@spectator.co.uk by Monday 8 March. There is a prize of £20 for the first correct

Black to play. Warakomski-–Korobov, February 2021. White has a pin on the b-file and 1…Bxg2+ 2 Kxg2 Bc5 3 Rb7 should suffice for a draw, despite the pawn deficit. But Korobov’s next move provoked instant resignation. What did he play? Answers to chess@spectator.co.uk by Monday 1 March, for a prize of £20 for the first

White to play. Carlsen–Vachier-Lagrave, Opera Euro Rapid 2020. Carlsen played 31 Bd4+ Rxd4 32 cxd4 Bxd4 which should be drawn, though he won in the end. Can you find the much s-tronger move which he missed? Answers to be emailed to chess@spectator.co.uk by Monday 22 February. There is a prize of £20 for the first

White to play and mate in two moves. Composed by Theodore Herlin, Schachzeitung 1852. Answers to be emailed to chess@spectator.co.uk by Monday 15 February. 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

White to play. Giri-Wojtaszek, Wijk aan Zee 2021. On his last move, Black waited with 48… Ba1-b2, yielding White a decisive opportunity. Which move enabled Giri to break through? Answers should be emailed to chess@spectator.co.uk by Monday 8 February. There is a prize of £20 for the first correct answer out of a hat. Please

Kokkoris–Kavalek, Athens 1968. Kavalek’s next move initiated a beautiful forced mating sequence. What did he play? Answers should be emailed to chess@spectator.co.uk by Monday 1 February. 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

White to play. Howell — Adams, Caplin Hastings Online 2021. Adams’s last move, 35…Ba4-b3, gave Howell the chance for a tactical strike, gaining a decisive advantage. What was his next move? Answers should be emailed to chess@spectator.co.uk by Monday 25 January. There is a prize of £20 for the first correct answer out of a

Gormally–Turner, Caplin Hastings Online 2021. Black looks safe, but Gormally’s next move forced a win of material. What did he play? Email answers to chess@spectator.co.uk by Monday 18 January. 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

Mastrovasilis–Marechal, Cappelle la Grande 2011. Black is a whole rook up, so his last move 34… Nd5-e7, angling for an exchange of knights, looks plausible. Which move did White play to expose a hidden flaw? Answers should be emailed to chess@spectator.co.uk by Monday 11 January. There is a prize of £20 for the first correct

White to play and mate in five moves. Composed by Kohtz & Kockelkorn, 1875. Be careful — four moves isn’t enough! What is White’s key first move? Answers should be emailed to chess@spectator.co.uk by Monday 4 January. There is a prize of £20 for the first correct answer out of a hat. Please include a

Four puzzles in one, composed by Werner Speckmann, 1963. In each case, White to play and mate in two. (a) As in diagram; (b) In (a), move Qh7 to a7; (c) In (b), move Ke6 to c6; (d) In (c), move Ke4 to c4. We regret that there is no prize for this puzzle, owing

White to play. A position taken from Chess Improvement (perhaps from Luchowski–Gridnew, Moscow 1992.) Black’s menacing pieces make the situation look desperate. How can White turn the tables? Answers should be emailed to chess@spectator.co.uk by Monday 7 December. There is a prize of £20 for the first correct answer out of a hat. Please include

White to play and mate in two moves. Composed by Sam Loyd, 1857. Answers should be emailed to chess@spectator.co.uk by Monday 23 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 1 Qg7+!!

White to play. Mista–Kloza, Poland 1955 (supposedly). Which move does White play to force a quick checkmate? Answers should be emailed to chess@spectator.co.uk by Tuesday 17 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

White to play and mate in 3. A puzzle featured in The Queen’s Gambit, apparently composed by W. Atkinson in 1890. What is White’s first move? Email answers to chess@spectator.co.uk by Tuesday 10 November. There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and