neg feedback [closed]

I got a neg feedback which is just retalliation because I said he was a deadbeat for not playing....How do I get it removed because it shouldn't be there...Any help would be appreciated...Thanx 

Conquer Club, a free online multiplayer variation of a popular world domination board game.
http://www.tools.conquerclub.com/forum/
http://www.tools.conquerclub.com/forum/viewtopic.php?f=239&t=15742