Chess puzzle (Checkmate)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Busch-Gass_Gambit
Moves: 1. e4 e5 2. Nf3 Bc5 3. Nxe5 Bxf2+ 4. Kxf2 Qf6+ 5. Nf3 g5 6. Kg1 g4 7. Ne1 *
Position (FEN): rnb1k1nr/pppp1p1p/5q2/8/4P1p1/8/PPPP2PP/RNBQNBKR b kq - 1 7
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1134
Best move: Qd4#