Not all games can be squeaky clean as others. Some are dog fight; messy, ugly, with lots of bite. Hello, I am Mr. South America.
Sometime is important to sacrifice 1 bonus to clear out desired area. Start fresh. We call this tabula rasa.
http://warlight.net/MultiPlayer?GameID=6737545Sometime is fun to trick opponent to your actual locations. But be careful! Opponents can be slippery and get lots of first moves!
http://warlight.net/MultiPlayer?GameID=6737716