Event: Hutchinson

PDF Excel

Opponent	Rating	Result
Nicholas Waite	95	½ - ½
Andrew Walker	103	½ - ½
Robert Pells	131	0 - 1
Stephen Burton	112

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

-24 = (329 + 400 * (0 - 1)) / 3)