That fight ended with no clear winner. If Palpatine had truely triumphed, Yoda would have been killed. It was a draw, and Yoda was ashamed so he went into exile.
Also, for the love of god, PLEASE try to spell things correctly. It makes reading posts so much easier.
KagomJack said:
My girth isn't anything to bitch and moan about in long, elaborate paragraphs.