Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 Nf6 6. N1c3 d6 7. Bg5 a6 8.
Bxf6 gxf6 9. Na3 b5 10. Nd5 Bg7 11. c3 O-O 12. Bd3 Ne7 13. Ne3 Be6 14. Qh5 Ng6
15. g3 d5 16. Nf5 Bxf5 17. exf5 e4 18. fxg6 fxg6 19. Qd1 exd3 20. O-O d4 21.
Qxd3 dxc3 22. Qxd8 Rfxd8 23. bxc3 f5 24. Rac1 Rac8 25. Nb1 Rd3 26. Rc2 b4 27.
c4 Bc3 28. Rfc1 Rxc4 29. Nxc3 Rdxc3 30. Rxc3 Rxc3 31. Rb1 a5 32. Kg2 Ra3 33.
Rb2 Kf7 34. Kf1 Ke6 35. Ke2 Kd5 36. Kd2 Kc4 37. Kc2 Rc3+ 38. Kd2 a4 39. f4 a3
40. Rc2 Rxc2+ 41. Kxc2 b3+ 42. axb3+ Kb4 43. Kb1 Kxb3 44. Ka1 h6 45. h3 g5 46.
fxg5 hxg5 47. Kb1 a2+ 48. Ka1 f4 49. gxf4 gxf4 50. h4 f3 51. h5 f2 52. h6 f1=N
53. h7 Ne3 54. h8=Q *
Position (FEN): 7Q/8/8/8/8/1k2n3/p7/K7 b - - 0 54
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 479
Best move: Nc2#