Event: Summer League Division 3

PDF Excel

Opponent	Rating	Result
Mick McManus	118	0 - 1
Andrew M Turnidge	0	1 - 0
Stephen Gibson	89	0 - 1

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

-64 = (207 + 400 * (1 - 2)) / 3)