this guy posts quite a lot of chess vids that are quite useful.. here is a link to the one he made about open and closed games.
They are only 6-8 mins long, so not as good as chess.com ones, but still quite usefull.
http://www.youtube.com/user/thechesswebsite#p/c/03F54EB032CE6C7E/0/FjQ9k2ZKZB4
TD
Hey can someone direct me to the definition or/and example of semi-open/closed position.