Event: Denis Otter

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Opponent Rating Result
Robert Morris 129 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-271 = (129 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
William T Jones 30 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

430 = (30 + 400 * (1 - 0)) / 1)