Event: Team Buzzer

PDF Excel

Opponent	Rating	Result
Robert Kingdon	0	0 - 1
James Cole	0	0 - 1
Alan A Atkinson	0	0 - 1
Dominic Blundell	0	0 - 1

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

-400 = (0 + 400 * (0 - 4)) / 4)