Event: D&DCL Div 2

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Opponent Rating Result
Andrew Townsend 139 0 - 1
Duncan J Livsey 140 0 - 1
David J Pickering 139 ½ - ½
Geoffrey D Brown 148 1 - 0
David Smith 153 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-16 = (719 + 400 * (1 - 3)) / 5)

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Opponent Rating Result
Alan Holden 96 0 - 1
John D Hoddy 142 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-281 = (238 + 400 * (0 - 2)) / 2)