Event: Div3

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Opponent Rating Result
Matthew Bubis 137 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-263 = (137 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
John Moughtin-Leay 66 1 - 0
Douglas Bramley 103 1 - 0
Roger W Walker 115 0 - 1
Jonathan Townsend 99 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

296 = (383 + 400 * (3 - 1)) / 4)