Working methods of referees in speed roller skating 200-meter chase.

Ensure that the contestants abide by various rules and regulations and make decisions on technical issues that may arise in the competition and are not involved in the current rules and regulations. Lead the referee work and coordinate when there are differences. Punish the misconduct of athletes, coaches and team leaders in the competition. Decide whether to have a rematch. In case of disqualification at any time, check whether the notice is broadcast in time and whether the disqualified athletes leave the runway immediately. To disqualify athletes who don't listen to the referee's warning, first make a ruling, organize a lottery, announce a warning, etc. In response to the protest of the participating units against the final ranking.