Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Qc7 7. f3 Nc6 8. Qd2
e6 9. O-O-O Be7 10. g4 b5 11. h4 Bb7 12. Bh3 Nd7 13. g5 Nb6 14. b3 Nxd4 15.
Qxd4 Rc8 16. Kb2 O-O 17. h5 d5 18. h6 Bc5 *
Position (FEN): 2r2rk1/1bq2ppp/pn2p2P/1pbp2P1/3QP3/1PN1BP1B/PKP5/3R3R w - - 1 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 599
Best move: Qxg7#