Event: Worcestershire Championship League

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Opponent	Rating	Result
Daniel M Lambourne	2038	0 - 1
Kevin Hurney	2046	0 - 1
Joseph D Friar	2058	1 - 0
Daniel M Lambourne	2038	0 - 1
Stephen V Woodhouse	1886	0 - 1
Stewart K Fishburne	2061	½ - ½
John P Wrench	1947	½ - ½
Alexandr Mityaev	2136	0 - 1

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

1826 = (16210 + 400 * (1 - 5)) / 8)