I was wandering through the SL RandomPage and I found exactly what I was looking for!
Edited by 鄧元鏸 (Deng Yun Huei) in late Qing (1881 AD)
This book listed 169 go players in Qing China. Players were classified into 5 levels according to their strength (by Deng’s measure).
Top players : 9
Famous players : 56
Second class : 41
Third class : 28
Fourth class : 35