Event: Team Buzzer

PDF Excel

Opponent	Rating	Result
Kevin Smyth	0	0 - 1
Peter McGill	0	0 - 1
David H Powell	0	0 - 1
Harry J Sharples	0	0 - 1

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

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