Event: NCCA League Division 2

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Opponent Rating Result
Mark A Nettleton 1469 0 - 1
Chris Flynn 1609 0 - 1
Stephen Livermore 1739 0 - 1
Graham K Blowers 1706 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1231 = (6523 + 400 * (0 - 4)) / 4)

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