Chess puzzle (Advantage)
Opening: Queens_Indian_Defense, Queens_Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb4+ 5. Nbd2 Ba6 6. e3 O-O 7. a3 Be7 8. b4
d5 9. Be2 dxc4 10. Nxc4 Nd5 11. Bxe7 Qxe7 12. Rc1 c5 13. bxc5 bxc5 14. O-O cxd4
15. Qxd4 Nd7 16. Rfd1 Rfd8 17. Bf1 N7b6 18. Nce5 Bb7 19. Nc6 *
Position (FEN): r2r2k1/pb2qppp/1nN1p3/3n4/3Q4/P3PN2/5PPP/2RR1BK1 b - - 8 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1165
Best move: Bxc6