Event: Worcestershire Championship League

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Opponent	Rating	Result
Peter R Kitson	2017	1 - 0
Kevin Hurney	2061	½ - ½
Lee Davis	2049	0 - 1
Kevin Hurney	2061	1 - 0
John A Edge	2095	½ - ½
Daniel M Lambourne	2079	½ - ½
Stewart K Fishburne	2056	1 - 0

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

2174 = (14418 + 400 * (3 - 1)) / 7)