Event: Division Three

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Opponent Rating Result
Kishan Pattni 128 0 - 1
Anthony R Fulton 173 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-250 = (301 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
Guy J Batchelor 172 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

172 = (172 + 400 * (0 - 0)) / 1)