Yuan Shao was born in the year 154ad. He was destined to become the pre-eminent warlord who ruled Northern China until his defeat by Cao Cao.
Military experts believe he made a terrible strategic mistake during the final battle. The victory was witching his grasp until he inexplicably changed formation from the tried and tested 4000,4000,2000 to the disastrous 4000,5000,1000.