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 Nc6 6. d4 d6 7. Bxf4 Bg4 8. h3
Bxf3 9. Qxf3 Nxd4 10. Qd3 dxe5 11. Bxe5 Ne6 12. O-O-O Qg5+ 13. Kb1 Qxe5 *
Position (FEN): r3kbnr/ppp2ppp/4n3/4q3/8/2NQ3P/PPP3P1/1K1R1B1R w kq - 0 14
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1014
Best move: Qd7#