Event: League

PDF Excel

Opponent	Rating	Result
Denis Georgiou	163	0 - 1
Joanne Hutchinson	141	0 - 1
Steven Lewis	157	0 - 1
Steven Lewis	157	0 - 1
Bernard Pratten	144	0 - 1
Joanne Hutchinson	141	0 - 1
John P Mainwaring	131	0 - 1
Stan J Smart	128	1 - 0

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

-155 = (1162 + 400 * (1 - 7)) / 8)