Event: Division 3

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Opponent Rating Result
Paul G Clifford 93 1 - 0
Tim Twentyman 115 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

504 = (208 + 400 * (2 - 0)) / 2)

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Opponent Rating Result
Ellen Scattergood 91 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

491 = (91 + 400 * (1 - 0)) / 1)