What is the most helpful ancient chess score for improving China's chess?

Comfortable and elegant endgame spectrum /cjtx/SrcShow.asp? Src_ID=389

The secret global spectrum of orange /cjtx/SrcShow.asp? Src_ID=70

Plum blossom spectrum global /cjtx/SrcShow.asp? Src_ID= 17 14

Others, such as Incomplete Mind and Strength, Chess Manual of Bajiao Zhuzhai, Chess Manual of Zhuxiangzhai, and Chess Manual of Hundred Round, are of high artistic value. You can also study them if you are interested! There is www.icanju.cn here.