Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Valencian_Variation
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 e6 5. Nf3 Nf6 6. Bc4 Bd6 7. O-O O-O 8.
Bg5 Nbd7 9. d5 h6 10. dxe6 hxg5 11. exd7 Bxd7 12. Nxg5 Bxh2+ 13. Kxh2 Ng4+ 14.
Kg1 Qxg5 15. Qxd7 Qh5 16. Rfd1 Qh2+ 17. Kf1 Rae8 18. Qxg4 *
Position (FEN): 4rrk1/ppp2pp1/8/8/2B3Q1/2N5/PPP2PPq/R2R1K2 b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 757
Best move: Qh1#