Your intellect what exists in the mind. Mental has to do with what is executed or performed by the mind. As in a race or other competition, to win is to finish in first place. You can also win through one's efforts or obtain advantage, such as points, etc. A team loses when they encounter an exceptional condition or they fail to work in an expected manner.
Energy is internal or inherent power.
It involves the capacity of acting, operating or producing an effect, weather exerted or not. Sports are an example of a healthy capacity for vigorous activity. It is training that is expected to produce a specific character or pattern of behavior, especially training that produces moral or mental improvements. Within sports, active leadership can inspire a team. Leadership can be a body of people who lead a group or the ability to lead.