Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 Be7 5. Nc3 Nc6 6. O-O Bg4 7. h3 Be6 8. e4
Qd7 9. Kh2 h5 10. Ne1 h4 11. g4 Bxg4 12. hxg4 Nxg4+ 13. Kg1 h3 14. Bf3 h2+ 15.
Kh1 Nf6 16. Ne2 O-O-O 17. Ng3 g6 18. c3 Kb8 19. a4 Rdg8 20. b4 Nd8 21. d4 exd4
22. cxd4 Nh5 23. Nxh5 gxh5 24. Ng2 Qh3 25. d5 Bf6 26. Rb1 Be5 27. b5 Rg7 28.
Nf4 Bxf4 29. Bxf4 Rg1+ 30. Rxg1 hxg1=Q+ 31. Kxg1 Rg8+ 32. Bg3 h4 33. Bg2 Qg4
34. Qxg4 Rxg4 35. Kh2 hxg3+ 36. fxg3 f6 37. Rf1 Rg6 38. Bh3 c6 39. dxc6 bxc6
40. bxc6 Nxc6 41. Bf5 Rh6+ 42. Kg2 Kc7 43. g4 Kb6 44. Rd1 Kc7 45. Kf3 Rh3+ 46.
Kf4 Ne5 47. g5 *
Position (FEN): 8/p1k5/3p1p2/4nBP1/P3PK2/7r/8/3R4 b - - 0 47
Black to move.
Themes:  Endgame Hook Mate, Mate in 1 
Puzzle rating: 933
Best move: Rf3#