Event: Kenneth Appleby

PDF Excel

Opponent	Rating	Result
Hugh Thornton	126	0 - 1
David Halpin	61	1 - 0
Alan Riddle	79	1 - 0
Ben Strutt	128	1 - 0(def)
Pete Brennan	121	0 - 1

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

97 = (387 + 400 * (2 - 2)) / 4)