Yunzi (Chinese traditional: 雲子; Chinese simplified: 云子; Pinyin: Yúzǐ) is the name of a stone of Weiqi (Jeu of go) manufactured to the Yunnan; they were also called yunbian (云扁) or yunyaozi (云窑子).

The Yunzi stones are often characterized by their material from manufacture and their plano-convex form less thick than the traditional stones. Today, one also finds stones yunzi biconvex.

Internal bond

• Play of go

External bonds

• Description
• Photographs and vidéos of the manufacturing process on a blog