Event: Worcestershire Championship League

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Opponent Rating Result
Joseph D Friar 2114 ½ - ½
Daniel M Lambourne 2077 1 - 0
Joe Rastall 1929 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2307 = (6120 + 400 * (2 - 0)) / 3)

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