Event: Worcestershire Championship League

PDF Excel

Opponent	Rating	Result
John A Edge	2072	0 - 1
Harry G Evans	1878	0 - 1
Joe Rastall	1700	½ - ½
Brian Turner	1970	0 - 1
David Spowart	1789	1 - 0
Ray A Collett	1883	1 - 0
Brian Turner	1970	½ - ½
Nigel S Towers	1845	0 - 1
Tomasz Grala	0	1 - 0

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

1634 = (15107 + 400 * (3 - 4)) / 9)