Event: Richard Furness League

PDF Excel

Opponent	Rating	Result
Arpad Busznyak	1551	0 - 1
Amanda Littler	800	1 - 0
Tom Blackburn	1300	1 - 0

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

1350 = (3651 + 400 * (2 - 1)) / 3)