Based on your reasoning, I guess you shouldn't have received any money back in this thread:
http://forumserver.twoplustwo.com/showfl...5&fpart=all
After all, he may have just not known the rules. And that's ok, right? Maybe just give him a warning.
I'm sorry - it is your responsibility to know the rules of a game you play. If not, that *should* be your problem, not anyone elses. They're available to read.
Ryan