Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d3 Nc6 5. Bd2 Nf6 6. Be2 d5 7. e5 Nd7 8. Bf4
Be7 9. O-O O-O 10. Nd2 Ndxe5 11. Bxe5 Nxe5 12. f4 Nc6 13. Nf3 Bf6 14. Rb1 b5
15. a3 Qb6 16. Kh1 Bd7 17. Nd2 Rae8 18. Qe1 Nd4 19. Qf2 Nxc2 20. b4 Bxc3 21.
bxc5 Qc6 22. Nf3 Bf6 23. Rfc1 Nxa3 24. Rb3 b4 25. Rxb4 Nb5 26. d4 Rb8 27. Bxb5
Rxb5 28. Rxb5 axb5 29. Ne5 Bxe5 30. fxe5 Ra8 31. h3 b4 32. Rf1 Be8 33. Qb2 Qb5
34. Rb1 Rb8 35. Kh2 b3 36. g4 Qd3 37. Kg2 Kf8 38. Rc1 Bc6 39. Rc3 Qxd4 40. Kg3
Qxc3+ 41. Qxc3 b2 42. Qa5 b1=Q 43. Qc7 Rb2 44. Qd6+ Ke8 45. Qxc6+ Kd8 46. Qd6+
Kc8 47. Qc6+ Kb8 48. Qd6+ Kb7 49. Qd7+ Ka6 50. Qc6+ Ka5 51. Qc7+ Kb4 52. Qb6+
Kc4 53. Qa6+ Kd4 54. Qa4+ Kxe5 *
Position (FEN): 8/5ppp/4p3/2Ppk3/Q5P1/6KP/1r6/1q6 w - - 0 55
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 770
Best move: Qf4#