Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bc4 a6 6. Nc3 b5 7. Bb3 e5 8. Nf5
Bxf5 9. exf5 Nc6 10. Nd5 Be7 11. Nxf6+ Bxf6 12. Be3 O-O 13. Qf3 Qc7 14. O-O-O
Rac8 15. g4 a5 16. g5 a4 17. gxf6 axb3 18. Qg3 *
Position (FEN): 2r2rk1/2q2ppp/2np1P2/1p2pP2/8/1p2B1Q1/PPP2P1P/2KR3R b - - 1 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1979
Best move: g6