Event: Library Rapidplay June

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Opponent Rating Result
Clair Hartill 1275 ½ - ½
Freya Hind 781 0 - 1
Ravleen Singh 882 0 - 1
Tejveer Singh 500 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

660 = (3438 + 400 * (0 - 2)) / 4)

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