"And Worf is substatially stronger than a normal human as well. Jem Hadar are not exactly difficult opponents. Yes they are strong and dedicated and willing to die, but they have relatively little in the way of experience being that they are barely half a decade old when they begin serving in the active military. Worf's redundant body systems will help him survivel longer than Chewie would expect but if Worf is still standing Chewie is just going to hit him again, or break another limb. Worf is not a good enough martial artist to deal with Chewbacca's rather monstrous strength and reach. "
And what is there to show the fighting prowess of Chewy, fanboy?