Event: Individual Quickplay

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

25 = (527 + 400 * (2 - 3)) / 5)

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