Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. b3 Nf6 3. Bb2 Bf5 4. e3 e6 5. Nc3 h6 6. Ne2 c5 7. Ng3 Bg6 8. Ne5
Bh7 9. Bb5+ Nbd7 10. Nh5 Bd6 11. Nxf6+ gxf6 12. Nxd7 a6 13. Nxf6+ Ke7 14. Bd3
Bxd3 15. cxd3 d4 16. Ne4 f5 17. Nxd6 Qxd6 18. Rc1 Rhg8 19. Qf3 b6 20. b4 Rac8
21. bxc5 bxc5 22. Ba3 Kf6 23. O-O Rg4 24. Rfe1 h5 25. Rc4 h4 26. h3 Rg6 27.
Rec1 Rcg8 28. Bxc5 Rxg2+ 29. Qxg2 Rxg2+ 30. Kxg2 Qd5+ 31. f3 dxe3 32. Bxe3 Qxd3
33. Kf2 Qd5 34. Rxh4 Qxa2 35. Rh6+ Ke7 36. Rc6 e5 37. Rce6+ Kf7 38. Rxe5 Qc2
39. Rh5 Qd1 40. Rhxf5+ Kg6 41. Rg5+ Kf6 42. Ref5+ Ke6 43. f4 Qh1 44. Re5+ Kf6
45. Rg3 Qh2+ 46. Kf3 Qh1+ 47. Ke2 Qh2+ 48. Bf2 Qh1 49. Rf3 Qb1 50. Ree3 a5 51.
Ra3 Qb5+ 52. Rfd3 Qh5+ 53. Ke1 Qb5 54. Be3 Kf5 55. Ke2 Ke4 56. h4 a4 57. h5
Qxh5+ 58. Ke1 Qb5 59. Rd4+ Kf3 60. Rdxa4 *
Position (FEN): 8/8/8/1q6/R4P2/R3Bk2/3P4/4K3 b - - 0 60
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 507
Best move: Qb1#