Chess puzzle (Checkmate)
Opening: Kings_Gambit_Accepted, Kings_Gambit_Accepted_Modern_Defense
Moves: 1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Bg4 5. Be2 Bxf3 6. Bxf3 Qh4+ 7. Kf1 Bc5
8. d4 Bd6 9. c4 Bb4 10. Qa4+ Nc6 11. dxc6 *
Position (FEN): r3k1nr/ppp2ppp/2P5/8/QbPP1p1q/5B2/PP4PP/RNB2K1R b kq - 0 11
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 750
Best move: Qe1#