Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Bg4 5. Be2 e6 6. h3 Bh5 7. g4 Bg6 8. O-O
Nf6 9. Nh2 h6 10. f4 Ne4 11. Kg2 Qh4 12. Qe1 Be7 13. Bd3 Nc6 14. Nf3 Qxe1 15.
Rxe1 O-O-O 16. c3 Rdf8 17. Ne5 Bh7 18. Kf3 Nd8 19. Bxe4 Bxe4+ 20. Rxe4 dxe4+
21. Kxe4 f5+ 22. Ke3 Re8 23. gxf5 exf5 24. Nd2 g5 25. Kf3 gxf4 26. Nf1 Bg5 27.
Bxf4 Bxf4 28. Kxf4 Rhf8 29. Ne3 Nf7 30. N3c4 Kc7 31. Nxf7 Rxf7 32. Ne5 Rf6 33.
Rg1 Kd6 34. c4 a6 35. Rd1 b5 36. b3 Rg8 37. c5+ Kd5 38. c6 Rc8 39. Nd7 Rfxc6
40. Kxf5 Rd8 41. Nf6+ Kd6 42. d5 Rc2 43. Ne4+ Ke7 44. d6+ Kf7 45. Rf1 Rxa2 46.
Ke5+ Kg7 47. Rg1+ Kf7 48. Rf1+ Kg7 49. Rg1+ Kf7 50. Rf1+ Kg6 51. Rg1+ Kh5 52.
Rg3 Re2 53. Rg4 a5 54. Kf4 a4 *
Position (FEN): 3r4/8/3P3p/1p5k/p3NKR1/1P5P/4r3/8 w - - 0 55
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 935
Best move: Nf6#