Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Bird_Gambit
Moves: 1. e4 e5 2. d4 exd4 3. Nf3 d6 4. c3 Nc6 5. cxd4 Bg4 6. d5 Ne5 7. Be2 Nf6 8. Be3
Nxe4 9. Qa4+ c6 10. Qxe4 Be7 11. Nxe5 Bxe2 12. dxc6 dxe5 13. cxb7 *
Position (FEN): r2qk2r/pP2bppp/8/4p3/4Q3/4B3/PP2bPPP/RN2K2R b KQkq - 0 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 805
Best move: Qd1#