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. f3 e5 7. Nb3 Be6 8. Be3
Nc6 9. Qd2 Be7 10. O-O-O b5 11. Nd5 Bxd5 12. exd5 Na7 13. g4 O-O 14. h4 Qc7 15.
h5 Rac8 16. g5 Nxd5 17. Bxa7 Bxg5 18. Qxg5 *
Position (FEN): 2r2rk1/B1q2ppp/p2p4/1p1np1QP/8/1N3P2/PPP5/2KR1B1R b - - 0 18
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 712
Best move: Qxc2#