Event: Division 2

PDF Excel

Opponent	Rating	Result
Stephen Lewis	1902	0 - 1
Andrew J Donnelly	1820	0 - 1
Samuel Gaffney	1811	1 - 0
Ian Osler	1340	½ - ½
Peter J Collicott	1500	1 - 0
Mark Heffer	1686	½ - ½
Judith Heffer	1698	0 - 1

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

1622 = (11757 + 400 * (2 - 3)) / 7)