Event: Club Rapidplay

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Opponent Rating Result
Gengadharan Somupillai 1324 ½ - ½
Gengadharan Somupillai 1324 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1524 = (2648 + 400 * (1 - 0)) / 2)

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