Event: League Division 3

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Opponent Rating Result
James Ward 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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Opponent Rating Result
Tom Devlin 1544 0 - 1
Jeff Dutton 1557 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1151 = (3101 + 400 * (0 - 2)) / 2)