Event: Division 3

PDF Excel

Opponent	Rating	Result
David I Buckley	1257	0 - 1
Matthew Blackwell	1150	1 - 0
Stuart Andrews	1169	0 - 1
Maurizio Baravalle	1003	0 - 1
David I Buckley	1257	0 - 1
Maurizio Baravalle	1003	1 - 0
Peter Turner	1309	0 - 1
Jim Norman	1351	0 - 1

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

987 = (9499 + 400 * (2 - 6)) / 8)