Event: Rapid Play

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Opponent Rating Result
Githma Madukalpa 1663 0 - 1
John Faulkner 1225 1 - 0
John Faulkner 1225 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1504 = (4113 + 400 * (2 - 1)) / 3)

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