Event: Five Counties Div 2

PDF Excel

Opponent	Rating	Result
Samuel Knight	1302	1 - 0
James Holyhead	1473	0 - 1
Karthisamy Selvaduarai	0	0 - 1
George Rosenthal	1098	0 - 1
Seb George	1313	1 - 0
Peter S Fisher	1625	0 - 1
Abinash Ravithas	1390	0 - 1

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

1000 = (8201 + 400 * (2 - 5)) / 7)