Question has been asked every other day.[8D] Take one yard off the ranged distance, BEND AT THE WAIST, keep form, pick a hair and split it.
Here's all the reading your going to need:
http://www.huntingnet.com/forum/tm.aspx?m=2314365&mpage=1
http://www.huntingnet.com/forum/tm.aspx?m=2312898&mpage=1
http://www.huntingnet.com/forum/tm.aspx?m=2297325&mpage=1