Event: Five Counties Div 1

PDF Excel

Opponent	Rating	Result
Miroslaw Walkusz	2145	0 - 1
Colin Hughes	0	0 - 1
Charles Lowick Higgie	2002	0 - 1
Anthony CP Milnes	1941	0 - 1
Tariq Khan	0	0 - 1
Mohammed Islam	0	0 - 1
David K Shaw	1690	1 - 0

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

825 = (7778 + 400 * (1 - 6)) / 7)