The major is the highest level CS:GO competition sponsored by Valve Company. The major consists of 16 teams. This 16 team is divided into legend group and challenger group according to the results of the last competition, which are composed of 8 teams respectively. It can be considered as the largest CSGO competition with high gold content. Specialty is the only official competition held by Valve. All the teams in the main stadium did their best, and all the fans cheered for their home team. Professional competition is not an annual competition, because so far, the frequency of professional competition is once every six months.