Event: Atherton- Club Junior Rapidplay

PDF Excel

Opponent	Rating	Result
Elijah Goldie	0	0 - 1
Ellie Fuller	0	1 - 0
Dylan Zhang-Ng	0	0 - 1
Dean Zheng	0	0 - 1
Austin Barnett	0	0 - 1

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

-240 = (0 + 400 * (1 - 4)) / 5)