Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. f3 b5 8. g4
Bb7 9. h4 Bb4 10. Qd3 Ne5 11. Qd2 Nc4 12. Bxc4 Qxc4 13. O-O-O Rc8 14. Nde2 Bxc3
15. Qxd7+ Kf8 16. Nxc3 b4 17. Na4 *
Position (FEN): 2r2knr/1b1Q1ppp/p3p3/8/Npq1P1PP/4BP2/PPP5/2KR3R b - - 1 17
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 730
Best move: Qxc2#