Event: IM Brown

PDF Excel

Opponent	Rating	Result
David J Hambly	0	½ - ½
Chris R Tinker	0	1 - 0
Jim E Vickery	0	½ - ½
Anthony Ibbitson	0	½ - ½
Mark W White	0	½ - ½

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

80 = (0 + 400 * (1 - 0)) / 5)