Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Be7 5. Nbd2 Nbd7 6. c3 b6 7. Bd3 c5 8. Ne5
Bb7 9. Qf3 a5 10. Bc2 b5 11. Qg3 Nh5 12. Qg4 Nxf4 13. Qxf4 Bg5 *
Position (FEN): r2qk2r/1b1n1ppp/4p3/ppppN1b1/3P1Q2/2P1P3/PPBN1PPP/R3K2R w KQkq - 1 14
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 691
Best move: Qxf7#