Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bf1 Nf6 5. Nc3 d5 6. exd5 Nxd5 7. Nxd5 Qxd5 8.
d3 f5 9. Be2 Bc5 10. Bf1 O-O 11. Be2 Qe6 12. Be3 Bxe3 13. fxe3 Qh6 14. Qd2 Rd8
15. O-O-O e4 16. Ne1 Be6 17. Kb1 a5 18. d4 Nb4 19. a3 Nd5 20. c4 Nxe3 21. Rc1
f4 22. d5 Bf5 23. Ka2 a4 24. Rc3 Kh8 25. g3 f3 26. Rxe3 fxe2 27. Qxe2 b5 28.
Nc2 bxc4 29. Qxc4 Rxd5 30. Ka1 Rad8 31. Ree1 Qb6 32. Ne3 Rd2 33. Qc3 Be6 34.
Rhf1 h6 35. Rf8+ Rxf8 36. Qxd2 Qb3 37. Kb1 Qa2+ 38. Kc2 Rb8 39. Qc3 Rd8 40. Qe5
Rd3 41. Qxe4 Qb3+ 42. Kc1 Rd6 43. Nc2 Bg8 44. Qb4 Qa2 45. Qc3 Qd5 46. Nb4 Qg5+
47. Kb1 Qh5 48. h4 Qg6+ 49. Ka1 Qf7 50. Rc1 Rb6 51. Kb1 Bh7+ 52. Ka1 Bg8 53.
Kb1 Rb7 54. Qc6 Ra7 55. Qc5 c6 56. Qxc6 Re7 57. h5 Qxh5 58. Ka1 Qg5 59. Qc5 Re5
60. Qc3 Re3 61. Qc8 Qe5 62. Nc6 Rxa3+ 63. Kb1 Qe4+ 64. Rc2 Qe1+ 65. Rc1 Ra1+
66. Kxa1 *
Position (FEN): 2Q3bk/6p1/2N4p/8/p7/6P1/1P6/K1R1q3 b - - 0 66
Black to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 399
Best move: Qxc1#