Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
O-O 9. O-O-O Qc7 10. g4 b5 11. h4 b4 12. Na4 Bb7 13. Bxf6 Bxf6 14. Bg2 Nc6 15.
e5 Nxd4 16. Qxb7 *
Position (FEN): r4rk1/1Qq2ppp/p2ppb2/4P3/Np1n1PPP/8/PPP3B1/2KR3R b - - 0 16
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 965
Best move: Qxc2#