In the era of Duke Huan of Qi and Guan Zhong, chivalry was to keep your promise. If you are kind to me, I will help you do it as long as you speak. Later, the Han Dynasty chivalrous men Zhu Jia and Guo Jie in ranger biographies added another meaning to the definition of chivalry, that is, to distribute wealth to the poor people. In modern society, the popularity of some martial arts novels and film and television dramas created a vague social background, deified some martial arts skills, but let us stay away from  chivalry. In fact, in real life, as long as we can see injustice and draw a knife to help, we are  chivalry.
intended to be emphasized?
In different times, people have different understanding of  chivalry.