Chess anchor Xu Shuai is a famous chess player and commentator in China. His chess career began in 2005, and he has participated in many national chess competitions at all levels and won many awards. On 20/0/6, Kloc began to explain chess, and became a regular guest commentator for many events, such as "Landlord Fighting League" and "China Chess First Division League". Under his auspices, some chess programs and competitions not only attracted a large number of chess lovers to watch, but also made positive contributions to the promotion of chess in China.