Chess puzzle (Checkmate)
Opening: Vienna_Game, Vienna_Game_Vienna_Gambit
Moves: 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 Nxc3 6. bxc3 Bc5 7. d4 Bb6 8.
Bd3 O-O 9. Ne2 Nc6 10. O-O Ne7 11. Ba3 Be6 12. Ng3 Rc8 13. Bf5 c5 14. Kh1 Nxf5
15. Nxf5 Qd7 16. g4 f6 17. Qg3 fxe5 18. Qxe5 g6 *
Position (FEN): 2r2rk1/pp1q3p/1b2b1p1/2ppQN2/3P2P1/B1P5/P1P4P/R4R1K w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1167
Best move: Nh6#