Chess puzzle (Checkmate)
Moves: 1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb3 Bg7 6. g3 b6 7. Bg2 Bb7 8. Nc3
Nf6 9. c5 O-O 10. O-O Ne8 11. Be3 Rc8 12. Na4 b5 13. Nc3 a6 14. Nd5 d6 15. Nb6
Rc7 16. cxd6 Nxd6 17. Nd5 Rc8 18. Bb6 Qe8 19. Nc7 Rxc7 20. Bxc7 Bxb2 21. Rb1
Ba3 22. Bb6 Nc4 23. Bc5 Qa8 24. Bxa3 Nxa3 25. Rc1 Ne5 26. Bxb7 Qxb7 27. Nc5 Qa7
28. Qd5 Nac4 29. h3 Rc8 30. Nd3 e6 31. Qe4 Nc6 32. a4 Nd4 33. Ne5 Nb3 34. Rc2
Nbd2 35. Qf4 Nxf1 36. Kxf1 Ne3+ 37. Qxe3 Qb7 38. Rxc8+ Qxc8 39. Qf4 Qb7 40.
axb5 *
Position (FEN): 6k1/1q3p1p/p3p1p1/1P2N3/5Q2/6PP/4PP2/5K2 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1034
Best move: Qh1#