Chess puzzle (Checkmate)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Accelerated_Move_Order
Moves: 1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nd7 5. Bf4 Ngf6 6. e3 a6 7. Bd3 dxc4 8. Bxc4
b5 9. Bd3 Bb7 10. O-O c5 11. Ne5 Nd5 12. Nxd5 exd5 13. Nxf7 Kxf7 14. Qh5+ Kg8
15. Bf5 Nf6 *
Position (FEN): r2q1bkr/1b4pp/p4n2/1ppp1B1Q/3P1B2/4P3/PP3PPP/R4RK1 w - - 4 16
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1151
Best move: Be6#