Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 e6 3. e3 c5 4. Nf3 Nc6 5. c3 Bd6 6. Ne5 f6 7. Qh5+ Kf8 *
Position (FEN): r1bq1knr/pp4pp/2nbpp2/2ppN2Q/3P1B2/2P1P3/PP3PPP/RN2KB1R w KQ - 2 8
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 814
Best move: Qf7#