Event: Jim Barrington Plate

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Opponent Rating Result
Barrie Phillips 81 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

481 = (81 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Martin Hathaway 78 1 - 0
Paul Bignall 80 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

79 = (158 + 400 * (1 - 1)) / 2)