Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Mieses-Kotroc_Variation
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 Bg4 5. Bc4 e6 6. O-O c6 7. d3 Bd6 8. h3
Bh5 9. g4 Bg6 10. Be3 Bc7 11. Qd2 Qd6 12. Rad1 Nf6 13. Na4 Nbd7 14. Kg2 h5 15.
Rh1 O-O-O 16. Bxa7 b5 17. Qc3 bxa4 *
Position (FEN): 2kr3r/B1bn1pp1/2pqpnb1/7p/p1B3P1/2QP1N1P/PPP2PK1/3R3R w - - 0 18
White to move.
Themes:  Middlegame Double Bishop Mate, Mate in 1 
Puzzle rating: 855
Best move: Ba6#