Event: The Friendly League

PDF Excel

Opponent	Rating	Result
Goodchild Ndou	1660	0 - 1
Karl Barnsley	0	1 - 0
Neil Taylor	0	0 - 1

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

420 = (1660 + 400 * (1 - 2)) / 3)