Event: Senior School House Chess Competition

PDF Excel

Opponent	Rating	Result
Daniel Bywater	0	½ - ½
Evan Lam	0	0 - 1
Sam Grady	0	0 - 1

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

-267 = (0 + 400 * (0 - 2)) / 3)