Well, nothing is lost. It's still four more games and we do not know how Chelsea will perform against Shakthar. Nevertheless, it definitely would not hurt to win against Chelsea at home.
Regarding the game yesterday. We have been quite nervous in the beginning, then recovered and had some big, big chances beside the equalizer. In the second half they more and more dominated us. We even hat far less possession than Shakthar. At home, in our own stadium?! I haven't seen such a Juve for quite a while. The performance was worse than against Fiorentina.