Wei Chess Player: There Are No Flaws in My Deduction

In the Wei Dynasty, the nine grades were Zhongzheng, and the top grade had no poor family. A modern genius game expert was accidentally reborn as a shabby scholar at the bottom of the Wei Dynasty. Not only was his family impoverished, but he also faced prison for offending the powerful. In order to break the situation, he set his sights on the legitimate daughter of a top family who was looking for a shield.