Although it is just a simple black and white chess piece, in the middle of this small but sophisticated chess board consisting of nineteen rows and nineteen vertical columns, there exists a world of its own, combining the top number of heaven and the original element. yin and yang theory. positive above and below; Weigh, kill, punish... It can be said that all human philosophical thoughts are reflected in this square inch. , Gongsun Zan's Youzhou army always had the advantage in mobility, while Yuan Shao's soldiers and horses seriously lacked mobility, but had 50,000 more troops than Gongsun Zan, both sides had their own advantages. the result is the means and resourcefulness of each leader.