Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 e6 6. Nc3 Nc7 7. Nf3 Nc6 8. Bc4
Be7 9. O-O O-O 10. Ne4 a6 11. Nfg5 h6 12. Qh5 Nxd4 13. Nf3 Nxf3+ 14. gxf3 Kh7
15. Bd3 f5 16. exf6 Bxf6 17. Nxf6+ Kh8 18. Qg6 Qxf6 *
Position (FEN): r1b2r1k/1pnp2p1/p3pqQp/8/8/3B1P2/PP3P1P/R1B2RK1 w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 793
Best move: Qh7#