Event: Major Championship

PDF Excel

Opponent	Rating	Result
Roy L Curtis	99	0 - 1
Christopher Carr	30	1 - 0
Hazel Welch	82	0 - 1
Tim Fox	70	1 - 0
Tim Hodgson	30	0 - 1

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

-18 = (311 + 400 * (2 - 3)) / 5)