Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Chigorin_Defense
Moves: 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Nc6 5. e3 Bg4 6. Bxc4 Na5 7. Ne5 Bxd1 *
Position (FEN): r2qkb1r/ppp1pppp/5n2/n3N3/2BP4/2N1P3/PP3PPP/R1BbK2R w KQkq - 0 8
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 1234
Best move: Bxf7#