Chess puzzle (Checkmate)
Opening: Englund_Gambit_Complex_Declined, Englund_Gambit_Complex_Declined_Other_variations
Moves: 1. d4 e5 2. d5 Bc5 3. c4 d6 4. e4 f5 5. Bd3 Qh4 6. Nf3 *
Position (FEN): rnb1k1nr/ppp3pp/3p4/2bPpp2/2P1P2q/3B1N2/PP3PPP/RNBQK2R b KQkq - 3 6
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 897
Best move: Qxf2#