Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Lasker-Pelikan_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8.
exd5 Nxd5 9. Bd2 Nxc3 10. bxc3 Be7 11. O-O O-O 12. Qh5 f5 13. Rad1 Be6 14. g4
g6 15. Qh6 e4 16. gxf5 gxf5 17. Kh1 Rf6 18. Rg1+ Kh8 *
Position (FEN): r2q3k/pp2b2p/2n1br1Q/5p2/4p3/1NPB4/P1PB1P1P/3R2RK w - - 4 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1209
Best move: Qg7#