Event: IM Brown

PDF Excel

Opponent	Rating	Result
Mark Waterhouse	138	½ - ½
Jim E Vickery	169	½ - ½
Zana Aziz	131	1 - 0
William J Egan	122	½ - ½
Alec Grice	138	0 - 1
Peter Rawcliffe	141	1 - 0
Peter Cooper	135	½ - ½

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

196 = (974 + 400 * (2 - 1)) / 7)