Event: R Division

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Opponent Rating Result
Edward Chu 1122 1 - 0
Ibrahim Riaz 1007 ½ - ½
Edward Chu 1122 1 - 0
Ibrahim Riaz 1007 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1365 = (4258 + 400 * (3 - 0)) / 4)

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