Very good. Youdao Zongheng is an online children's Go product created by NetEase Youdao. Since its launch in 2019, it has made Go knowledge simple and interesting with the country's first self-developed online interactive Go animation course, helping many children quickly master the skills of Go. Rules and techniques, becoming the brand with the largest market share of online Go enlightenment education. The upgraded APP can achieve precise graded control of AI chess skills. The Youdao chess AI team was established in 2020. It has self-developed AI engines for the three major chess categories of Go, International Chess, and Chinese Chess, and has obtained 4 invention patents from it. It strictly benchmarks the international/domestic chess association rank standards, and integrates AI into Chess ability is accurately divided into 25 core levels in Go, 5 core levels in international chess, and 9 core levels in Chinese chess. Based on this measurement, whether you are a newbie who is just getting started or a world champion who is challenging the limits, you can accurately match the right opponent.