Event: Worcestershire Championship League

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Opponent Rating Result
Daniel M Lambourne 2077 ½ - ½
John P Wrench 1976 ½ - ½
John A Edge 2037 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2163 = (6090 + 400 * (1 - 0)) / 3)

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