Chess puzzle (Checkmate)
Opening: Blackmar-Diemer_Gambit_Accepted, Blackmar-Diemer_Gambit_Accepted_Teichmann_Defense
Moves: 1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. Bc4 Nc6 7. Ne5 Bxd1 *
Position (FEN): r2qkb1r/ppp1pppp/2n2n2/4N3/2BP4/2N5/PPP3PP/R1BbK2R w KQkq - 0 8
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 1094
Best move: Bxf7#