Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_French_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d6 5. Be2 Nf6 6. Nd2 Be7 7. O-O O-O 8. c3
a6 9. Qc2 h6 10. N2f3 e5 11. Nf5 Bxf5 12. exf5 Nc6 13. Rd1 d5 14. b4 Rc8 15.
Bb2 e4 16. Ne1 Nxb4 17. Qb3 Qd7 *
Position (FEN): 2r2rk1/1p1qbpp1/p4n1p/3p1P2/1n2p3/1QP5/PB2BPPP/R2RN1K1 w - - 2 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1509
Best move: cxb4