The Chalk Circle, by Li Qianfu, is a Yuan dynasty Chinese classical zaju verse play and gong'an crime drama, in four acts with a prologue. It was preserved in a collection entitled Yuan-chu-po-cheng,
An illustration of a scene from The Chalk Circle
Sculptures inside the Lord Bao Memorial Temple, a tourist attraction in Kaifeng, Henan, China. In this scene, a fearless Bao Zheng takes off his official headwear to challenge the empress dowager, in order to execute the prince consort Chen Shimei.