Chess puzzle (Checkmate)
Opening: Vienna_Game, Vienna_Game_Vienna_Gambit
Moves: 1. e4 e5 2. Nc3 Nf6 3. f4 exf4 4. e5 Ng8 5. Nf3 h6 6. d4 g5 7. Bc4 d6 8. Qe2
Ne7 9. Nd5 Nbc6 *
Position (FEN): r1bqkb1r/ppp1np2/2np3p/3NP1p1/2BP1p2/5N2/PPP1Q1PP/R1B1K2R w KQkq - 4 10
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1018
Best move: Nf6#