Event: Division One

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Opponent Rating Result
John R Richardson 213 0 - 1
Robert S Eames 206 0 - 1
Sylvain Eche 190 0 - 1
C Russell 198 0 - 1
Jonathan Kay 152 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-48 = (959 + 400 * (1 - 4)) / 5)

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Opponent Rating Result
Salvatore Pepe 141 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

541 = (141 + 400 * (1 - 0)) / 1)