Chess puzzle

No. 642

27 February 2021 9:00 am

Black to play. Warakomski-–Korobov, February 2021. White has a pin on the b-file and 1…Bxg2+ 2 Kxg2 Bc5 3 Rb7…

No. 641

20 February 2021 9:00 am

White to play. Carlsen–Vachier-Lagrave, Opera Euro Rapid 2020. Carlsen played 31 Bd4+ Rxd4 32 cxd4 Bxd4 which should be drawn,…

No. 640

13 February 2021 9:00 am

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

No. 639

6 February 2021 9:00 am

White to play. Giri-Wojtaszek, Wijk aan Zee 2021. On his last move, Black waited with 48… Ba1-b2, yielding White a…

No. 638

30 January 2021 9:00 am

Kokkoris–Kavalek, Athens 1968. Kavalek’s next move initiated a beautiful forced mating sequence. What did he play? Answers should be emailed…

No. 637

23 January 2021 9:00 am

White to play. Howell — Adams, Caplin Hastings Online 2021. Adams’s last move, 35…Ba4-b3, gave Howell the chance for a…

No. 636

16 January 2021 9:00 am

Gormally–Turner, Caplin Hastings Online 2021. Black looks safe, but Gormally’s next move forced a win of material. What did he…

No. 635

9 January 2021 9:00 am

Mastrovasilis–Marechal, Cappelle la Grande 2011. Black is a whole rook up, so his last move 34… Nd5-e7, angling for an…

No. 634

19 December 2020 9:00 am

White to play and mate in five moves. Composed by Kohtz & Kockelkorn, 1875. Be careful — four moves isn’t…

Four puzzles in one

12 December 2020 9:00 am

Four puzzles in one, composed by Werner Speckmann, 1963. In each case, White to play and mate in two. (a)…

No. 633

5 December 2020 9:00 am

White to play. A position taken from Chess Improvement (perhaps from Luchowski–Gridnew, Moscow 1992.) Black’s menacing pieces make the situation…

No. 632

28 November 2020 9:00 am

White to play and win. E. Pogosjants, Shakhmaty v SSSR 1976. Promoting the a-pawn allows Black a perpetual check. Which…

No. 631

21 November 2020 9:00 am

White to play and mate in two moves. Composed by Sam Loyd, 1857. Answers should be emailed to chess@spectator.co.uk by…

No. 630

14 November 2020 9:00 am

White to play. Mista–Kloza, Poland 1955 (supposedly). Which move does White play to force a quick checkmate? Answers should be…

No. 629

7 November 2020 9:00 am

White to play and mate in 3. A puzzle featured in The Queen’s Gambit, apparently composed by W. Atkinson in…

No. 628

31 October 2020 9:00 am

White to play. Wade–Korchnoi, Buenos Aires, 1960. Bob Wade’s next move prepared a surprising and decisive breakthrough. What did he…

No. 627

24 October 2020 9:00 am

Black to play. Sjugirov–Paravyan, Russian Higher League, October 2020. A piece for a pawn down, Black’s follow up was subtle…

No. 626

17 October 2020 9:00 am

Rapport–Sprenger, Bundesliga, September 2020. The game continued 1 Bxc4 Rxc4 2 Bxe5+ f6 3 Bf4 Rxe4+ 4 Kf3 and was…

No. 625

10 October 2020 9:00 am

Black to play. Khodashneli — Willow, European Online Youth Championship U18, September 2020. White has just advanced 40 g3-g4, and…

No. 624

3 October 2020 9:00 am

White to play. A variation from L’Ami–Caruana, Bundesliga 2020. Caruana avoided this position, where White can force a quick mate.…

No. 623

26 September 2020 9:00 am

White to play. Areshchenko–Koch, Bundesliga 2020. White has won rook for bishop, but the queen is offside and his Rf2…

No. 622

19 September 2020 9:00 am

Black to play. Jones–McShane, London Chess Classic 2019. Last year I played two games of no-castling chess with Gawain Jones,…

No. 621

12 September 2020 9:00 am

Black to play. Rios–Adams, Online Olympiad, August 2020. The White king is running short of squares. Which move did Adams…

No. 620

5 September 2020 9:00 am

White to play. Zaibi–Napoleao, Online Olympiad, August 2020. White has just sacrificed the rook on a1. He concluded the attack…

No. 619

29 August 2020 9:00 am

Nakamura–Carlsen, August 2020. Carlsen has just advanced 40…g6-g5+, laying a nasty trap. Only one move gives White a fighting chance…