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9 Pin Zhi

9 Pin Zhi (Chinese: 九品制) was an ancient Chinese ranking system for the game of Go, which first appeared in the 3rd century book Classic of Arts by Handan Chun. He ranks 9 different Pin (levels) for Go players, from strong to weak:

夫围棋之品有九:There are 9 levels in go:


This system is loosely based on the Nine-rank system (traditional Chinese: 九品中正制 or 九品官人法), used at the imperial court to rank the importance of officials.