Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 bxc6 7. d3 d6 8.
Nbd2 c5 9. Nc4 O-O 10. h3 h6 11. Be3 Be6 12. b3 Nh7 13. Qd2 f5 14. exf5 Bxf5
15. Nh2 Qd7 16. f4 exf4 17. Bxf4 Bf6 18. Rae1 Rae8 19. Nf3 Rxe1 20. Rxe1 Re8
21. Rxe8+ Qxe8 22. Qe3 Qf7 23. a4 g5 24. Bg3 g4 25. hxg4 Bxg4 26. Qe4 Bxf3 27.
Qxf3 Bd4+ 28. Kf1 Qxf3+ 29. gxf3 Ng5 30. Kg2 Ne6 31. Na5 Bc3 32. Nc6 Kf7 33.
Bh4 Ke8 34. Kg3 Kd7 35. Nb8+ Ke8 36. Nxa6 Be5+ 37. Kg4 d5 38. Kh5 Bf4 39. Bf6
Kd7 40. Bb2 Kc8 41. Kg6 Be3 42. Kf5 Nf8 43. Be5 c6 44. Nc7 Nd7 45. Ne6 Nxe5 46.
Kxe5 Kd7 47. f4 h5 48. f5 h4 49. Nf4 *
Position (FEN): 8/3k4/2p5/2ppKP2/P4N1p/1P1Pb3/2P5/8 b - - 1 49
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1844
Best move: Bd4#