Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Other_variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 g6 7. Qa4+ Bd7 8. Qb3
Nc6 9. Nxc6 Bxc6 10. Bd3 Bg7 11. O-O O-O 12. Nd5 Nxd5 13. exd5 Bd7 14. Qxb7 e6
15. dxe6 fxe6 16. Be4 Rb8 17. Qxa6 Qh4 18. Qxd6 Rbd8 19. Bc6 *
Position (FEN): 3r1rk1/3b2bp/2BQp1p1/8/2P4q/8/PP3PPP/R1B2RK1 b - - 2 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1265
Best move: Bxc6