Event: Division Three

PDF Excel

Opponent	Rating	Result
Robert J Purcell	134	0 - 1
Scott Leadbetter	106	0 - 1
Sheila Robinson	100	1 - 0

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

-20 = (340 + 400 * (1 - 2)) / 3)