Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Wing_Gambit
Moves: 1. e4 c5 2. Nf3 d6 3. b4 cxb4 4. a3 bxa3 5. Nxa3 Bd7 6. c3 Nc6 7. d4 a6 8. Bd3
Nf6 9. O-O Bg4 10. Re1 e6 11. h3 Bh5 12. g4 Bg6 13. g5 Nh5 14. h4 Be7 15. Nd2
Bxg5 16. hxg5 Qxg5+ 17. Kf1 Nf4 18. Nf3 *
Position (FEN): r3k2r/1p3ppp/p1npp1b1/6q1/3PPn2/N1PB1N2/5P2/R1BQRK2 b kq - 3 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 827
Best move: Qg2#