Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bg4 5. Be2 Nf6 6. Nxf6+ exf6 7. O-O Bd6
8. h3 Bf5 9. Nd4 Bg6 10. a4 O-O 11. Bc4 Nd7 12. f4 Qb6 13. c3 Be4 14. d3 Bd5
15. Bxd5 cxd5 16. Kh1 Nc5 17. b4 Ne6 18. Be3 Qc7 19. f5 Nd8 20. Nb5 Qd7 21.
Nxd6 Qxd6 22. Bc5 Qe5 23. Bxf8 Kxf8 24. Qd2 Rc8 25. Rac1 Nc6 26. Rce1 Qd6 27.
d4 Qd7 28. Re3 Re8 29. Rxe8+ Kxe8 30. Qe3+ Kf8 31. Re1 b6 32. g4 Nd8 33. b5 Nb7
34. Qf4 Nd6 35. h4 h6 36. g5 fxg5 37. hxg5 hxg5 38. Qxg5 f6 39. Qf4 Nxf5 40.
Qb8+ Kf7 41. Qh8 Nh6 42. Qb8 Qh3+ 43. Qh2 Qxc3 44. Qh5+ Kg8 45. Qxd5+ Kh7 46.
Qe4+ f5 47. Qe3 Qc2 48. d5 Ng4 49. Qh3+ Kg8 50. Qf3 *
Position (FEN): 6k1/p5p1/1p6/1P1P1p2/P5n1/5Q2/2q5/4R2K b - - 4 50
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 815
Best move: Qh2#