i know you woulda started cursing this thread just at the sight of the name, but here are the conditions
1] fight is between only kakashi and kakuzu, that means he does not need to watch anybody's back or protect someone
the last fight, he had to protect chouji and ino while fighting, and also fight hidan altogether, u've got to admmit, that put a lot of weight on his chakra
2] he can use kamui and raikiri 5 times
3]we'll assume that his sharingan doesn't put weight on his chakra
1] fight is between only kakashi and kakuzu, that means he does not need to watch anybody's back or protect someone
the last fight, he had to protect chouji and ino while fighting, and also fight hidan altogether, u've got to admmit, that put a lot of weight on his chakra
2] he can use kamui and raikiri 5 times
3]we'll assume that his sharingan doesn't put weight on his chakra