Chess puzzle (Checkmate)
Opening: Kings_Gambit_Declined, Kings_Gambit_Declined_Falkbeer_Countergambit
Moves: 1. e4 e5 2. f4 d5 3. Nf3 dxe4 4. Nxe5 Nc6 5. Nxc6 bxc6 6. Bc4 Nf6 7. O-O Bc5+
8. Kh1 Ng4 9. Qe2 O-O 10. Qxe4 Qh4 11. h3 Qg3 12. hxg4 *
Position (FEN): r1b2rk1/p1p2ppp/2p5/2b5/2B1QPP1/6q1/PPPP2P1/RNB2R1K b - - 0 12
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1050
Best move: Qh4#