Event: Five Counties Div 2

PDF Excel

Opponent	Rating	Result
Richard Smith	0	0 - 1
Ashwin Ravithas	1503	0 - 1
Barry Scales	0	1 - 0
Nick D Holmes	1568	0 - 1
Yayin Bajpayee	1108	1 - 0

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

756 = (4179 + 400 * (2 - 3)) / 5)