Event: Division A

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Opponent Rating Result
Paul A Evans 2080 0 - 1
Graham J Ashcroft 1938 0 - 1
Graham J Ashcroft 1938 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1585 = (5956 + 400 * (0 - 3)) / 3)

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