Chess puzzle (Checkmate)
Moves: 1. e4 b6 2. Bc4 Bb7 3. Qh5 e6 4. d3 Nf6 5. Qe2 a6 6. Nf3 b5 7. Bb3 h6 8. a4 b4
9. O-O a5 10. h3 g5 11. Nh2 Rg8 12. f3 h5 13. c3 Nc6 14. Bd1 e5 15. Be3 Bd6 16.
c4 Qe7 17. b3 O-O-O 18. Nd2 Rg7 19. Qf2 Rdg8 20. Kh1 g4 21. fxg4 hxg4 22. Qxf6
gxh3 23. gxh3 Qxf6 24. Rxf6 Be7 25. Rf1 Rh8 26. Bg4 Nd8 27. c5 Ne6 28. Nc4 Ng5
29. Bxg5 Bxg5 30. Nxe5 Ba6 31. Nxd7 Bxd3 32. Ne5+ Kd8 33. Nxd3 Ke7 34. c6 Kd6
35. Rfd1 Kxc6 36. Ne5+ Kb6 37. Nd7+ Kb7 38. Nc5+ Kc6 39. Rd5 Bf6 40. Bd7+ Kb6
41. Rad1 Rxh3 42. Nd3 Rh6 43. Rb5+ Ka7 44. Rxa5+ Kb6 45. Rb5+ Ka7 46. Rc1 Bd4
47. Rxc7+ Ka8 48. Rxb4 *
Position (FEN): k7/2RB1pr1/7r/8/PR1bP3/1P1N4/7N/7K b - - 0 48
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1191
Best move: Rg1#