Chess puzzle (Checkmate)
Opening: Italian_Game, Italian_Game_Giuoco_Pianissimo
Moves: 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bc4 Bc5 5. d3 d6 6. O-O h6 7. a3 a6 8. b4 Ba7
9. h3 Ne7 10. Bb2 Ng6 11. Nd5 c6 12. Nxf6+ Qxf6 13. d4 Nf4 14. dxe5 dxe5 15.
Bxe5 Nxh3+ 16. gxh3 Qg6+ 17. Kh2 Qh5 18. Rg1 *
Position (FEN): r1b1k2r/bp3pp1/p1p4p/4B2q/1PB1P3/P4N1P/2P2P1K/R2Q2R1 b kq - 4 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 999
Best move: Qxh3#