There are many different EAs for Williams rules. All of them are similar in one - losing money. Here it is the one of them - http://forum.mql4.com/ru/5289 . Look at the bottom - ID_1.mq4 (direct link http://forum.mql4.com/c/forum/2006/12/ID_1.mq4 - I'm not sure if it works from other sites)