Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. Nf3 Bf5 4. e3 e6 5. c3 Nbd7 6. Qb3 Qc8 7. Nbd2 c5 8. c4
cxd4 9. Nxd4 dxc4 10. Bxc4 Nb6 11. Nxf5 exf5 12. Bxf7+ Ke7 13. O-O g6 14. Rac1
Qd7 15. Rc7 Bg7 16. Qe6+ Kf8 17. Bd6+ Qxd6 *
Position (FEN): r4k1r/ppR2Bbp/1n1qQnp1/5p2/8/4P3/PP1N1PPP/5RK1 w - - 0 18
White to move.
Themes: Hanging Piece Middlegame Mate in 1 
Puzzle rating: 1317
Best move: Qxd6#