Event: Kenneth Appleby

PDF Excel

Opponent	Rating	Result
Tom Devlin	106	0 - 1
Alan Riddle	79	0 - 1
Stephen Burton	109	0 - 1
Kenneth L Marsden	79	0(def) - 1

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

-302 = (294 + 400 * (0 - 3)) / 3)