What is the best move for Black?

USCF Online rated Chess.com tournament, Chess.com
Analysis of Bigmind1 (1857) vs. john2001plus (1840)

1 2 3 4 5 6 7 8 h g f e d c b a 0

(black to move) 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Bb5 Nxd4 8. Nxd4 cxd4 9. Qxd4 a6 10. Bxd7+ Bxd7 11. Be3 Rc8 12. Qd2 Bb4 13. Bd4 Rc4 14. O-O-O Qa5 15. Kb1 O-O 16. a3 Bc5 17. Qe3 Rc8 18. Bxc5 Qxc5

[ 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