Event: Division Three

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Opponent Rating Result
Patrick P Sartain 118 1 - 0
Leslie Pringle 123 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

121 = (241 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
Raghu Kamath 169 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-231 = (169 + 400 * (0 - 1)) / 1)