Event: Durham League Division B

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Opponent Rating Result
Deborah Edmundson 1444 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1844 = (1444 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Ian Hunter 1345 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1745 = (1345 + 400 * (1 - 0)) / 1)