Event: 5th Cornwall Online League

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Opponent Rating Result
John James 1244 1 - 0
Christine F Constable 1415 1 - 0
Michael Hill 1644 0 - 1
Anthony Rundle 1506 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1552 = (5809 + 400 * (2 - 1)) / 4)

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