Event: Summer

PDF Excel

Opponent	Rating	Result
Peter J Worthington	0	0 - 0
David Edwards	0	0 - 0
Richard J Smith	0	0 - 0
Rick Dooley	0	0 - 0
Graham L Jones	0	0 - 0

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

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