Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d3 c5 6. Nbd2 Nc6 7. e4 b6 8. Re1
Bb7 9. c3 Qc7 10. e5 Nd7 11. Nf1 O-O-O 12. d4 Kb8 13. h4 h6 14. Ne3 g5 15. hxg5
hxg5 16. Ng4 Rdg8 17. Be3 f5 18. exf6 Nxf6 19. Nxf6 Bxf6 20. dxc5 bxc5 21. Bxc5
e5 22. Qxd5 Nd4 23. Nxd4 Bxd5 24. Bxd5 Qxc5 25. Nc6+ Kc7 26. Be4 Rd8 27. b4 Qb6
28. a4 Rd2 29. Rf1 Kc8 30. a5 Qc7 31. b5 Rd6 32. Rab1 Qd7 33. c4 Qh3 34. Rfd1
Rxd1+ 35. Rxd1 Qg4 36. Re1 Qh3 37. c5 Qh2+ 38. Kf1 Qh3+ 39. Kg1 Qg4 40. b6 axb6
41. cxb6 Qd7 42. a6 Qd2 43. b7+ Kc7 44. Rb1 Qe2 45. a7 Qxe4 46. b8=Q+ Kd7 47.
Rd1+ Ke6 48. Qb3+ Kf5 49. Nb4 *
Position (FEN): 7r/P7/5b2/4pkp1/1N2q3/1Q4P1/5P2/3R2K1 b - - 6 49
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1132
Best move: Qh1#