Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 Nf6 3. Bd3 e5 4. Nf3 Nc6 5. Bc2 d5 6. exd5 Nxd5 7. O-O Bd6 8. d4
Bg4 9. Be4 Nf6 10. Bxc6+ bxc6 11. dxe5 Bxf3 12. Qxf3 Bxe5 13. Qxc6+ Nd7 14. Re1
O-O 15. Be3 Rc8 16. Qd5 Re8 17. Nd2 Qc7 18. g3 Nf6 19. Qc4 Qb7 20. Qb3 Qc6 21.
Qc4 Qb7 22. Qb3 Qc6 23. Rad1 Ng4 24. Nc4 Rb8 25. Qc2 Qa6 26. b3 Nxe3 27. Rxe3
Qf6 28. Nxe5 Rxe5 29. Rde1 Rbe8 30. Rxe5 Rxe5 31. Rxe5 Qxe5 32. Qd2 h6 33. c4
Qe4 34. h4 Qb1+ 35. Kh2 a5 36. Qe2 Kh7 37. f3 g6 38. Qd2 Kg7 39. Kg2 Kh7 40. g4
Kg7 41. Qf2 a4 42. bxa4 Qb4 43. Qc2 Kg8 44. Kf2 Qb7 45. Qb3 Qc7 46. Kg2 Qd6 47.
Qe3 Qa6 48. Qb3 Qd6 49. Qe3 Qa6 50. Qe8+ Kg7 51. Qe5+ Kg8 52. Qb8+ Kg7 53. Qb5
Qd6 54. Qb2+ Kg8 55. a5 Qe6 56. Qc2 Qa6 57. Qc3 Qe6 58. Kf2 Qd6 59. Kg2 Qe6 60.
Qd3 Qa6 61. Qd8+ Kg7 62. Qb6 Qxc4 63. a6 Qe2+ 64. Kg3 Qe1+ 65. Kf4 Qc1+ 66. Ke4
Qc4+ 67. Ke5 *
Position (FEN): 8/5pk1/PQ4pp/2p1K3/2q3PP/5P2/P7/8 b - - 8 67
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1214
Best move: Qd4#