Chess puzzle (Checkmate)
Opening: Blackmar-Diemer_Gambit_Accepted, Blackmar-Diemer_Gambit_Accepted_Teichmann_Defense
Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bh5 7. g4 Bg6 8.
Ne5 Nbd7 9. Qf3 c6 10. Nxg6 hxg6 11. Bc4 e6 12. O-O Qe7 13. Bf4 O-O-O 14. Qxc6+
bxc6 *
Position (FEN): 2kr1b1r/p2nqpp1/2p1pnp1/8/2BP1BP1/2N4P/PPP5/R4RK1 w - - 0 15
White to move.
Themes:  Middlegame Boden's Mate, Mate in 1 
Puzzle rating: 675
Best move: Ba6#