Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Lowenthal_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Bd3 d5 7. Nbd2 Be7 8.
exd5 Nxd5 9. O-O O-O 10. h3 Nf4 11. Be4 Nd4 12. Nxe5 Bd6 13. Nef3 Nde2+ 14. Kh1
Bxh3 15. gxh3 Qc8 16. Ng5 h6 17. Nc4 hxg5 18. Nxd6 *
Position (FEN): r1q2rk1/pp3pp1/3N4/6p1/4Bn2/7P/PPP1nP2/R1BQ1R1K b - - 0 18
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1237
Best move: Qxh3#