Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Bf4 d5 3. e3 Nf6 4. Nf3 c5 5. c3 Nc6 6. Nbd2 Bd7 7. Bb5 h6 8. h3
Be7 9. O-O O-O 10. a3 a6 11. Bd3 Re8 12. b4 c4 13. Bc2 b5 14. e4 Nxe4 15. Nxe4
dxe4 16. Bxe4 Rc8 17. Re1 Bf6 18. Bb1 Ne7 19. Qc2 g6 20. Bxh6 Bc6 21. Ne5 Bxe5
22. Rxe5 Nf5 23. Qd2 f6 24. Re1 Qd5 25. Be4 Qd7 26. Bxc6 Qxc6 27. Bf4 Kf7 28.
Qe2 Rcd8 29. Qe4 Qd5 30. Qxd5 Rxd5 31. Kf1 e5 32. dxe5 fxe5 33. Bg5 Re6 34.
Rad1 Red6 35. Ke2 Ke6 36. Rxd5 Rxd5 37. Rd1 Rxd1 38. Kxd1 Nd6 39. f3 Kf5 40.
Be7 Nf7 41. Ke2 Ke6 42. Bc5 Nh6 43. g4 Nf7 44. h4 Nd8 45. Ke3 Nf7 46. Ke4 Nh6
47. Be3 Ng8 48. h5 *
Position (FEN): 6n1/8/p3k1p1/1p2p2P/1Pp1K1P1/P1P1BP2/8/8 b - - 0 48
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 813
Best move: Nf6#