What is the best move for Black?

ICC tourney 1306 (12 3), Internet Chess Club
smgsmg21 (1188) vs. yoshi (1697)

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

(black to move) 1. d4 Nf6 2. Bf4 c5 3. c3 cxd4 4. cxd4 Nc6 5. e3 d5 6. Nc3 Bf5 7. Bb5 e6 8. Nf3 Bd6 9. Bxc6+ bxc6 10. Bxd6 Qxd6 11. Ne5 O-O 12. O-O c5 13. Nb5 Qb6 14. a4 a6 15. dxc5 Qxc5 16. Nc3 Rab8 17. Rb1 Bxb1 18. Qxb1 Qb6 19. Qd3 Qxb2 20. Rb1 Qxc3 21. Rxb8 Rxb8 22. Qxc3 Rb1+ 23. Qe1 Rxe1#

[ 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