Event: Northamptonshire Silver King League Division 2

PDF Excel

Opponent	Rating	Result
Alistair Mair	1375	1 - 0
Omar Oliveri	1622	0 - 1
Matthew Edwards	1421	½ - ½

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

1473 = (4418 + 400 * (1 - 1)) / 3)