Indeed, Chelsea performed well in the UCL. They have a chance to win like Tuchel. But with the current conditions I doubt it. I don't think current players can compete with Man City, Munich or other big clubs. In 1/16 they will play Dortmund. I don't underestimate Chelsea, but Dortmund can always surprise. Chelsea must be vigilant. Even though that game is still a long way off, there is a chance Chelsea make a big transfer maybe that could change the chances of getting to the Final.
I don't think that any transfer can seriously change the chances of the teams (unless of course it's Haaland + Mbappe, but they hardly want Chelsea plus they can no longer play for another club in the Champions League this season). Maybe we will see Ronaldo's move that has been talked about so much? He's not showing anything special this season, but he has a certain Champions League magic associated with him.
@KTChampions to be fair the new coach of Chelsea deserves time at least one proper full season before we start to judge his work, and currently I feel that both teams are equal but if I had to pick one team out of these two then I would pick Dortmund because of Jude Bellingham playing for them.
Lastly getting Ronaldo would be a huge blunder on Chelseas part, because these days he plays less and causes more distraction by his off field activities hence they should avoid this transfer and try for other players wholl be committed to their coach.