Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Exchange_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Bd3 Qa5 8.
Qc2 Bb4 9. Nf3 Ne4 10. Bxe4 dxe4 11. Qxe4+ Kf8 12. O-O f5 13. Qf4 h6 14. a3
Bxc3 15. Qd6+ Kg8 16. Qe6+ Kh7 17. Bxh6 Nf8 *
Position (FEN): r1b2n1r/pp4pk/2p1Q2B/q4p2/3P4/P1b1PN2/1P3PPP/R4RK1 w - - 1 18
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 925
Best move: Ng5#