Event: WDCL Division 1

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Opponent Rating Result
Martin Carpenter 2043 0 - 1
Mark Ellis 2049 0 - 1
Robert M Furness 1869 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1587 = (5961 + 400 * (0 - 3)) / 3)

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