Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. Nc3 e6 3. f4 d5 4. Nf3 dxe4 5. Ng5 b6 6. Ngxe4 Nxe4 7. Nxe4 Bb7 8.
Qe2 Be7 9. g3 O-O 10. Bg2 Qc8 11. O-O Nd7 12. d4 Nf6 13. c3 Nxe4 14. Bxe4 Bxe4
15. Qxe4 Qd7 16. f5 exf5 17. Rxf5 c5 18. Be3 cxd4 19. Bxd4 Rae8 20. Qf3 Bc5 21.
Rd5 Qe7 22. Bxc5 bxc5 23. Rf1 Rb8 24. Qf2 Rb6 25. b3 Rc8 26. c4 Rf6 27. Rf5
Rxf5 28. Qxf5 Re8 29. h4 g6 30. Qf2 h5 31. Kg2 Qe4+ 32. Kh2 Re7 33. Qxc5 Qc2+
34. Rf2 Re2 35. Kg2 Qxa2 36. Rxe2 Qxe2+ 37. Qf2 Qe4+ 38. Qf3 Qc2+ 39. Kh3 a5
40. Qa8+ Kg7 41. Qxa5 Qxb3 42. Qe5+ Kg8 43. c5 Qc2 44. Qd5 Qc1 45. c6 Qf1+ 46.
Qg2 Qf5+ 47. Kh2 Qc5 48. Qe4 Qc1 49. Kh3 Qc5 50. Kg2 Qc1 51. Qd5 Qc2+ 52. Kf3
Qc1 53. Qd8+ Kg7 54. c7 Qf1+ 55. Ke3 Qe1+ 56. Kd4 Qd2+ 57. Kc5 Qc3+ 58. Kd6
Qd4+ 59. Kc6 Qc4+ 60. Kd7 *
Position (FEN): 3Q4/2PK1pk1/6p1/7p/2q4P/6P1/8/8 b - - 12 60
Black to move.
Themes:  Endgame, Queen Endgame Dovetail Mate, Mate in 1 
Puzzle rating: 1387
Best move: Qe6#