Zapfic Writing Contest Week 31: Advantage

Image taken by myself, and while not directly related to the story, it conveys the prompt I think. Also, first time I try to write such a short story.

A genious mind doesn't secure you a victory, he knew that now. First loss, and in the contest he desired to win the most.

Who was that girl that defeated the him in his own field?. Someone who knew very well what the judges wanted it seems.