Win probabilities for individual games are set by the computer software providers when they generate the games. https://maps.Google.dj/url?sa=j&source=web&rct=j&url=https://duxarea.com/%EC%B9%B4%EC%A7%80%EB%85%B8%EC%82%AC%EC%9D%B4%ED%8A%B8-%EB%8F%84%EB%B0%95%EC%9D%98-%EC%84%B8%EA%B3%84%EB%A1%9C-%EC%B4%88%EB%8C%80%ED%95%A9%EB%8B%88%EB%8B%A4/