Event: 3rd Cornwall Online League

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Opponent Rating Result
Christine F Constable 0 ½ - ½
John James 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

200 = (0 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
Pat Scully 0 1 - 0
Bryan Jones 1561 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1181 = (1561 + 400 * (2 - 0)) / 2)