Event: Division A

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Opponent Rating Result
Simon N Rogers 131 1 - 0
Cliff H Rutlidge 154 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

143 = (285 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
Ben Fearnhead 139 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

139 = (139 + 400 * (0 - 0)) / 1)