Event: WMA Summer League Division 1

PDF Excel

Opponent	Rating	Result
Kevin Hurney	180	0 - 1
Harry G Evans	169	0 - 1
Kevin Hurney	180	1 - 0
Harry G Evans	169	0 - 1

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

-26 = (698 + 400 * (1 - 3)) / 4)