What is the best move for Black?

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

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

(black to move) 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 O-O 8. O-O c6 9. e4 d5 10. Ne5 dxc4 11. Nxc4 Qxd4 12. Ne3 Rd8 13. Bc1 Qxd1 14. Nexd1 Na6 15. a3 Nc5 16. Bg5 h6 17. Bf4 e5 18. Be3 Nb3 19. h3 Nxa1 20. b4 Nc2 21. Bc1 a5 22. bxa5 Rxa5 23. Bb2 Ba6 24. a4 Bxf1 25. Bxf1

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

 

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

 

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight