Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Other_variations
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 g6 4. e4 Bg7 5. Bxc4 Nc6 6. d5 Ne5 7. Qa4+ c6 8.
dxc6 bxc6 9. Bd5 Bd7 10. Bb3 Nd3+ 11. Kf1 c5 12. Qc4 a6 *
Position (FEN): r2qk1nr/3bppbp/p5p1/2p5/2Q1P3/1BNn4/PP3PPP/R1B2KNR w kq - 0 13
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 560
Best move: Qxf7#