system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Wars Episode III] Prior to facing Sidious, who was the last person Yoda had to go "all out" in order to fight?

When Yoda fights Sidious, after how many years is Yoda seriously fighting with his full power? I don't suppose he had many fights in his life where he had to give it his all. I was wondering, before facing the Emperor, who could've been the last opponent Yoda took seriously in a fight. Like, back in Episode II when he fought Dooku, was he even trying?
gpt
He was definitely trying to beat Count Dooku. But in his prime, Dooku may have been the best duellist in history. And even at the start of the Clone Wars, he was *among* the greatest. The fact that he had to distract Yoda by threatening Obi-Wan and his apprentice in order to escape, then, shows you that Yoda wasn't just toying with him.