Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Be2 Bd6 6. O-O O-O 7. Re1 c6 8.
Bd3 Bg4 9. c3 Nbd7 10. Bg5 Qc7 11. h3 Bh5 12. g4 Bg6 13. Nh4 Bxd3 14. Qxd3 h6
15. Be3 Rfe8 16. Nf5 Bf4 17. Nd2 Bxe3 18. Rxe3 Rxe3 19. Qxe3 Re8 20. Qf3 Ne4
21. Nxe4 Rxe4 22. Rf1 Qf4 23. Qxf4 Rxf4 24. Re1 Re4 25. Rxe4 dxe4 26. Nd6 b6
27. Nc8 a5 28. Nd6 Nf6 29. Kf1 Kf8 30. Ke2 Nd5 31. h4 Ke7 32. Nxe4 Nf4+ 33. Ke3
Ng2+ 34. Kd3 Nxh4 35. f4 Ng6 36. Ke3 Nf8 37. f5 g6 38. Kf4 g5+ 39. Ke5 *
Position (FEN): 5n2/4kp2/1pp4p/p3KPp1/3PN1P1/2P5/PP6/8 b - - 1 39
Black to move.
Themes:  Endgame, Knight Endgame Mate in 1 
Puzzle rating: 1200
Best move: Nd7#