Event: Ladder (Rapid)

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Opponent Rating Result
James Pack 159 0 - 1
Craig Bradshaw 105 1 - 0
Z Zia Mohammed Quader 161 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

8 = (425 + 400 * (1 - 2)) / 3)

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