Chess puzzle (Checkmate)
Opening: Scotch_Game, Scotch_Game_Goring_Gambit
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 Bc5 5. cxd4 Bb4+ 6. Nc3 a6 7. d5 Nce7 8.
Bd3 Nf6 9. O-O Ng6 10. Bg5 Be7 11. e5 Nxd5 12. Bxg6 hxg6 13. Nxd5 Bxg5 14. Nxg5
Qxg5 15. Nxc7+ Kd8 16. Nxa8 b5 17. Qf3 Qxe5 18. Nb6 *
Position (FEN): 2bk3r/3p1pp1/pN4p1/1p2q3/8/5Q2/PP3PPP/R4RK1 b - - 1 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 522
Best move: Qxh2#