Event: Individual Quickplay

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Opponent Rating Result
David J Faldon 174 0 - 1
Don Richards 74 0 - 1
Roy F Dawson 53 1 - 0
John L Clarke 75 0 - 1
Ian A Hames 151 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-135 = (527 + 400 * (1 - 4)) / 5)

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