Event: Division Three

PDF Excel

Opponent	Rating	Result
Jonathan Mather	1551	1 - 0
David Selden	1231	0 - 1
John M McGann	1189	0 - 1

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

1190 = (3971 + 400 * (1 - 2)) / 3)