In the last chapter Sun Tzu split victory in two. The state that cannot be defeated, and the opening that lets you win. This chapter is about the shape a victory takes.
見勝不過眾人之所知，非善之善者也
jian sheng bu guo zhong ren zhi suo zhi, fei shan zhi shan zhe ye
If a victory goes no further than what the crowd can recognise, it is not the best of the best. (The Art of War, Dispositions, translated directly)
Once again a manual of war plays victory down. After quan sheng in chapter six, now comes the victory nobody notices.