Event: IM Brown

PDF Excel

Opponent	Rating	Result
Mick Beavers	78	1 - 0
David Glossop	128	1 - 0
Mark Waterhouse	138	1 - 0
E Gordon Marks	129	1 - 0
Ian D Strickland	124	½ - ½
Dave Colledge	141	½ - ½
Dominic Gallagher	115	1 - 0

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

408 = (853 + 400 * (5 - 0)) / 7)