Uh... sarcasm?
Nope. Coleman may have fought lame against Jango, but if he was weaker than a 10 year old Padawan there's no way he'd ever have become a Knight, let alone a Master. he only lost so badly to Jango because
A. he was to close to Jango
B. He underestimated Jango
C. He didn't expect to ahve to fight jango
D. he was focused on destroying Dooku
Zett did so good against the Clones because
A. He's a small target
B. He was prepared to fight them
C. He kept his distance