Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 Qb6 4. Bxc6 Qxc6 5. Nc3 e6 6. O-O Bd6 7. d4 Ne7 8.
Re1 b6 9. d5 Qc7 10. e5 Nxd5 11. exd6 Nxc3 12. bxc3 Qc6 13. Ne5 Qb5 14. c4 Qa4
15. Qf3 f6 16. Qxa8 O-O 17. Nf3 Qxc4 18. Qxa7 Qxc2 19. Qxb6 Qc4 20. Be3 e5 21.
Qxc5 Qe6 22. Red1 Bb7 23. a4 Qg4 24. Rd5 e4 25. h3 Qe6 26. Rad1 exf3 27. gxf3
Qxh3 28. Qc4 Kh8 29. f4 Qg4+ 30. Kf1 Qh3+ 31. Ke2 Qg4+ 32. Kd3 Qf3 33. Rc1 Ra8
34. Rb5 h6 35. Rxb7 Qxb7 36. Qc7 Qb3+ 37. Rc3 Qd5+ 38. Ke2 Rxa4 39. Qxd7 Ra2+
40. Kf1 *
Position (FEN): 7k/3Q2p1/3P1p1p/3q4/5P2/2R1B3/r4P2/5K2 b - - 2 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1558
Best move: Qh1#