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 e5 7. Nb3 Be6 8. f3
Be7 9. Qd2 O-O 10. O-O-O Qc7 11. Nd5 Nxd5 12. exd5 Bf5 13. g4 Bg6 14. h4 h6 15.
h5 Bh7 16. g5 Bxg5 17. Bxg5 hxg5 18. Qxg5 *
Position (FEN): rn3rk1/1pq2ppb/p2p4/3Pp1QP/8/1N3P2/PPP5/2KR1B1R b - - 0 18
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 464
Best move: Qxc2#