Event: Div3

PDF Excel

Opponent	Rating	Result
Nigel Wright	133	0 - 1
Matthew Caswell	108	1 - 0
Nigel D Marshall	114	1 - 0
Mohinderpal Samra	87	1 - 0
Ray Sawyer	0	1 - 0
Jonathan Townsend	99	1 - 0
Allan Doyle	0	1 - 0
Douglas Bramley	103	½ - ½

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

331 = (644 + 400 * (6 - 1)) / 8)