Event: A Division

PDF Excel

Opponent	Rating	Result
Ethan Norris	2062	½ - ½
Ali Reza Jaunooby	2263	½ - ½
Allan W Beardsworth	2253	½ - ½
Sarah N Longson	2122	½ - ½

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

2175 = (8700 + 400 * (0 - 0)) / 4)