Event: Durham League Division A

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Opponent Rating Result
Charlie Hazlerigg 1668 1 - 0
Kevin J Wilson 1944 1 - 0
Charlie Hazlerigg 1668 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2160 = (5280 + 400 * (3 - 0)) / 3)

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