Chess puzzle (Checkmate)
Opening: Kings_Gambit_Declined, Kings_Gambit_Declined_Queens_Knight_Defense
Moves: 1. e4 e5 2. f4 Nc6 3. Nf3 Bc5 4. fxe5 Nxe5 5. Nxe5 Qh4+ 6. g3 Qxe4+ 7. Qe2 Qxh1
8. Nf3+ Kd8 9. d4 Nf6 10. dxc5 Re8 11. Be3 Nd5 12. Bg5+ f6 13. Ne5 fxg5 *
Position (FEN): r1bkr3/pppp2pp/8/2PnN1p1/8/6P1/PPP1Q2P/RN2KB1q w Q - 0 14
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 793
Best move: Nf7#