What is the best move for Black?

Casual Game, https://itsyourturn.com
Analysis of DORADO vs. John Coffey

1 2 3 4 5 6 7 8 h g f e d c b a +4

(black to move) 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bb5 Qa5 6. Bxc6+ bxc6 7. Bd2 Ba6 8. Ne2 Qb6 9. b3 cxd4 10. cxd4 Ne7 11. O-O Nf5 12. Bc3 Bxe2 13. Qxe2 Nxd4 14. Bxd4 Qxd4 15. Na3 Bxa3 16. Rad1 Qb6 17. Kh1 O-O 18. f4 c5 19. h3 d4 20. Rd3 a5 21. Qg4 a4 22. Rff3 g6 23. f5 exf5 24. Rxf5 Qe6 25. Rg5 Bc1 26. Qxe6 fxe6 27. Rg4 Rf1+ 28. Kh2 Bf4+ 29. g3 axb3

[ Flip the board | Reset | Options… ] Play chess online

 

Options:
	- allow legal moves only;
	- use short algebraic notation;
movement/animation speed: (slow) (fast)
	- show legal moves;

 

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight