Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Scheveningen_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd2 h6 8.
O-O-O Be7 9. f3 O-O 10. g4 b5 11. h4 b4 12. Na4 Bd7 13. Qxb4 e5 14. Nf5 Bxf5
15. gxf5 d5 16. Bc5 Bxc5 17. Qxc5 d4 18. Qb5 *
Position (FEN): rn1q1rk1/5pp1/p4n1p/1Q2pP2/N2pP2P/5P2/PPP5/2KR1B1R b - - 1 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1045
Best move: axb5