Event: Division One

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Opponent Rating Result
Robert Reynolds 153 ½ - ½
Rajeev P Raghavan 161 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-43 = (314 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Robert Reynolds 153 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

153 = (153 + 400 * (0 - 0)) / 1)