Event: Doncaster League

PDF Excel

Opponent	Rating	Result
Mick Henshaw	1505	1 - 0
Martin Presley	1682	1 - 0
Martin J Sheard	1887	½ - ½

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

1958 = (5074 + 400 * (2 - 0)) / 3)