Event: Championship 2018

PDF Excel

Opponent	Rating	Result
Ben Strutt	80	0 - 1
Andrew Parker	55	1 - 0
S Neil Bolton	78	0 - 1
Pete Farrell	121	0 - 1
Tom Devlin	117	1 - 0

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

10 = (451 + 400 * (2 - 3)) / 5)