Chess puzzle (Advantage)
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Be2 c5 5. Nf3 Nf6 6. Bg5 Be7 7. Nc3 O-O 8.
O-O a6 9. Re1 b5 10. h3 c4 11. Nh2 b4 12. Na4 Bd7 13. b3 Ne4 14. Bxe7 Qxe7 15.
Nb6 Ra7 16. Nxd7 Rxd7 17. bxc4 Nc3 18. Qd2 Nxe2+ 19. Rxe2 Qf6 20. c5 Nc6 21. c3
*
Position (FEN): 5rk1/3r1ppp/p1n2q2/2Pp4/1p1P4/2P4P/P2QRPPN/R5K1 b - - 0 21
Black to move.
Themes:  Middlegame  
Puzzle rating: 1166
Best move: bxc3