Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Semi-Tarrasch_Defense
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. dxc5 Bxc5 6. Bg5 Ne4 7. Bxd8 *
Position (FEN): rnbBk2r/pp3ppp/4p3/2bp4/2P1n3/2N2N2/PP2PPPP/R2QKB1R b KQkq - 0 7
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 1231
Best move: Bxf2#