Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. d4 cxd4 5. Qxd4 Nc6 6. Qe3 Nf6 7. h3 b5 8. Nd5
Rb8 9. Bd2 e6 10. Nb4 Nxb4 11. Bxb4 Be7 12. Rd1 Bb7 13. e5 Nd5 14. Qa3 Nxb4 15.
Qxb4 Bxf3 16. gxf3 d5 17. Qa3 *
Position (FEN): 1r1qk2r/4bppp/p3p3/1p1pP3/8/Q4P1P/PPP2P2/3RKB1R b Kk - 1 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1131
Best move: Bxa3