Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nxe4 5. Qxd4 Nf6 6. Bg5 Be7 7. Nc3 Nc6 8.
Qh4 O-O 9. O-O-O h6 10. Bxh6 gxh6 11. Qxh6 Nh7 12. Bd3 Bg5+ 13. Nxg5 Qxg5+ 14.
Qxg5+ Nxg5 15. h4 Ne6 16. Nd5 Kg7 17. h5 Kh6 18. g4 Rg8 19. Rdg1 b6 20. Nf6 Rg7
21. Bf5 Ncd4 22. f4 Ne2+ 23. Kd2 Nxg1 24. g5+ Nxg5 *
Position (FEN): r1b5/p1pp1pr1/1p3N1k/5BnP/5P2/8/PPPK4/6nR w - - 0 25
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1240
Best move: Ng4#