Event: St Andrews Club Championship

PDF Excel

Opponent	Rating	Result
Andrew D Bettley	153	0 - 1
David G Mills	136	0 - 1
Edward Stamp	100	0 - 1
David P Thrun	79	0(def) - 1

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

-270 = (389 + 400 * (0 - 3)) / 3)