Event: Middle School House Chess Competition

PDF Excel

Opponent	Rating	Result
Ebu Nwaiwu	948	1 - 0
Koji Wong	732	1 - 0
Aarav Karwal	937	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1139 = (2617 + 400 * (2 - 0)) / 3)