Chess puzzle

No. 548

27 May 2017 9:00 am

Black to play. This position is from Arnason-Keene, London 1981. This position also arose from a Modern Defence. How did…

no. 457

20 May 2017 9:00 am

White to play. This is from Euwe-Fischer, New York 1957. How did Euwe capitalise on the threatening position of his…

no. 456

13 May 2017 9:00 am

White to play. This is from Kramnik-Adams, Shamkir 2017. How did Kramnik complete his rout of the black position? Answers…

no. 455

6 May 2017 9:00 am

White to play. This position is from So–Kramnik, Gashimov Memorial 2017. So retreated with 1 Ne3 and eventually won. How could…

no. 454

29 April 2017 9:00 am

Black to play. This position is from Belsitzman-Rubinstein, Warsaw 1917. How did Rubinstein finish off? Answers to me at The…

no. 453

22 April 2017 9:00 am

White to play. This position is from Costachi-Toma, Calimanesti 2017. Can you spot White’s winning coup? Answers to me at…

no. 452

14 April 2017 11:00 pm

White to play. This position is from Euwe-Fischer, New York 1957. White has two winning moves in this position. Can…

no. 451

8 April 2017 9:00 am

White to play. This position is a variation from Portisch-Petrosian, Moscow 1967. Can you spot White’s winning coup? Answers to…

no. 450

1 April 2017 9:00 am

Black to play. This position is from Gligoric-Stein, Moscow 1967. Can you spot Black’s winning coup? Answers to me at…

no. 449

25 March 2017 9:00 am

White to play. This position is from Mareco-Nakamura, Pro-League, chess.com 2017. Can you spot White’s winning coup?Answers to me at…

no. 448

18 March 2017 9:00 am

White to play. This is from Horton–Murphy, Varsity Match 2017. Can you spot White’s winning coup? Answers to me at…

no. 447

11 March 2017 9:00 am

Black to play. This position is from Kozera-Wang, Varsity Match 2016. White has powerful threats and Black has only one…

no. 447

9 March 2017 3:00 pm

Black to play. This position is from Kozera-Wang, Varsity Match 2016. White has powerful threats and Black has only one…

no. 446

4 March 2017 9:00 am

White to play. This position is from Tabatabaei-Vakhidov, Aeroflot Open, Moscow 2017. White has sacrificed a piece for a powerful…

no. 446

2 March 2017 3:00 pm

White to play. This position is from Tabatabaei-Vakhidov, Aeroflot Open, Moscow 2017. White has sacrificed a piece for a powerful…

no. 445

25 February 2017 9:00 am

Black to play. This position is from Morozevich-Sadler, Reykjavik 1999, a game from Sadler’s heydey, when he was regularly beating…

no. 445

23 February 2017 3:00 pm

Black to play. This position is from Morozevich-Sadler, Reykjavik 1999, a game from Sadler’s heydey, when he was regularly beating…

no. 444

18 February 2017 9:00 am

White to play. This position is a variation from Hou Yifan-Ju, Gibraltar 2017. Hou lost this game to her compatriot.…

no. 444

16 February 2017 3:00 pm

White to play. This position is a variation from Hou Yifan-Ju, Gibraltar 2017. Hou lost this game to her compatriot.…

no. 443

11 February 2017 9:00 am

Black to play. This position is from Gledura-Topalov, Gibraltar 2017. Bulgarian grandmaster Veselin Topalov is not the force he used…

no. 443

9 February 2017 3:00 pm

Black to play. This position is from Gledura-Topalov, Gibraltar 2017. Bulgarian grandmaster Veselin Topalov is not the force he used…

no. 443

9 February 2017 3:00 pm

Black to play. This position is from Gledura-Topalov, Gibraltar 2017. Bulgarian grandmaster Veselin Topalov is not the force he used…

no.442

4 February 2017 9:00 am

White to play. This position is from So-Wojtaszek, Wijk aan Zee 2017. White has only one move to win. Can…

no.442

2 February 2017 3:00 pm

White to play. This position is from So-Wojtaszek, Wijk aan Zee 2017. White has only one move to win. Can…

no. 441

28 January 2017 9:00 am

White to play. This is from Réti-Spielmann, Opatija 1912. How did Réti conclude his kingside attack? Answers to me at…