Event: Summer League

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Opponent Rating Result
Shruti Shanbhag 1565 0 - 1
David Pritchard 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

583 = (1565 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Shruti Shanbhag 1565 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1965 = (1565 + 400 * (1 - 0)) / 1)