Event: Ilkley Juniors v Guiseley Juniors

PDF Excel

Opponent	Rating	Result
Cora Wainwright	1002	1 - 0
Louis Lau	815	0 - 1
Daniel Bond	1087	1 - 0
Henry Dodgson	1059	0 - 1

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

991 = (3963 + 400 * (2 - 2)) / 4)