Event: League

PDF Excel

Opponent	Rating	Result
Phillip T Seery	0	0 - 1
Nikodem Wolnik	0	1 - 0
Phillip T Seery	0	0 - 1
John D Lyth	0	0 - 1
Alan Giles	0	0 - 1

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

-240 = (0 + 400 * (1 - 4)) / 5)