Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Be7 7. Nd5 Nxd5 8.
Qxd5 O-O 9. Qd1 Nc6 10. Bc4 a6 11. a4 Kh8 12. O-O f5 13. exf5 Bxf5 14. Qd5 Bxc2
15. Re1 Nb4 16. Qd2 Qb6 17. a5 Qc7 18. Qxb4 d5 19. Qc3 Bxb3 *
Position (FEN): r4r1k/1pq1b1pp/p7/P2pp3/2B5/1bQ5/1P3PPP/R1B1R1K1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1181
Best move: Bxb3