Chess puzzle (Checkmate)
Opening: Italian_Game, Italian_Game_Scotch_Gambit
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Ng5 dxc4 8.
Qh5 g6 9. Nxe4 gxh5 *
Position (FEN): r1bqkb1r/ppp2p1p/2n5/7p/2ppN3/8/PPP2PPP/RNB1R1K1 w kq - 0 10
White to move.
Themes: Double Check Opening Mate in 1 
Puzzle rating: 799
Best move: Nf6#