Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 Qb6 4. Bxc6 Qxc6 5. d3 d6 6. h3 g6 7. Bd2 Bg7 8. Bc3
Nf6 9. Nbd2 O-O 10. O-O b5 11. a3 a5 12. b4 axb4 13. axb4 Rxa1 14. Bxa1 cxb4
15. Qb1 Bd7 16. Rc1 Nh5 17. Bxg7 Kxg7 18. Qxb4 Nf4 19. Kf1 Ra8 20. Nb3 Ra4 21.
Qd2 e5 22. Ra1 h6 23. Qc1 Qc3 24. Ne1 Be6 25. Rb1 g5 26. Qd2 Qc6 27. Nc1 g4 28.
h4 b4 29. Rxb4 Ra1 30. Ne2 Qc5 31. Nxf4 exf4 32. Rb2 g3 33. Qxf4 Rxe1+ 34. Kxe1
Qc3+ 35. Ke2 Qxb2 36. Qxg3+ Kf8 37. Qxd6+ Ke8 38. Qc6+ Bd7 39. Qxh6 Qxc2+ 40.
Qd2 Qc5 41. g3 Qh5+ 42. f3 Qe5 43. Kf2 Bb5 44. d4 Qc7 45. f4 Qc4 46. e5 Qf1+
47. Ke3 Qg1+ 48. Qf2 Qc1+ 49. Kf3 Qd1+ 50. Kg2 Bc6+ 51. Kh2 *
Position (FEN): 4k3/5p2/2b5/4P3/3P1P1P/6P1/5Q1K/3q4 b - - 10 51
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 858
Best move: Qh1#