Event: Div2

PDF Excel

Opponent	Rating	Result
Douglas Bramley	105	½ - ½
Leslie J Fancourt	107	0 - 1
John D Hoddy	140	0 - 1

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

-149 = (352 + 400 * (0 - 2)) / 3)