Event: Yorkshire u18s Team Championship - Division 2

PDF Excel

Opponent	Rating	Result
Joseph Kitchin	578	1 - 0
Noah Stackhouse	0	1 - 0
Amir Ali	1078	1 - 0
Ehsaan Ali	1098	1 - 0

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

1089 = (2754 + 400 * (4 - 0)) / 4)