Chen Collection, Middle Volume. Radical: Tree (mù). 12 strokes. Page 532, Entry 02. Pronounced qi. Sometimes written as variants or used interchangeably with the character for chess. According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it refers to a game piece. Xu states that the term denotes something square and upright. In ancient times, the pieces used for board games were generally referred to as this. Additionally, in the Verses of Chu (Chucheng) section Calling Back the Soul (Zhaohun), it is written: Pieces made of ivory and jade for the six-board game. The commentary explains these are the pieces used for the game of chance known as chupu. Also, the Record of Broad Knowledge (Bowuzhi) states that the legendary emperor Yao invented the game of go, and his son Danzhu was skilled at it. Furthermore, in Liu Xiang's Garden of Stories (Shuoyuan), Yong Zhou said to Lord Mengchang: You are at leisure playing with elephant chess pieces, which is also a type of battle.