Event: Team Quickplay

PDF Excel

Opponent	Rating	Result
Paul Carfrae	108	0 - 1
Roy J McAloney	77	1 - 0
Paul Carfrae	108	0 - 1
Roy J McAloney	77	0 - 1

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

-108 = (370 + 400 * (1 - 3)) / 4)