Event: Division Five

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Opponent Rating Result
Philip Murphy 1315 1 - 0
David W Randall 1306 0 - 1
Barry Knee 1422 0 - 1
Steve Palla 1090 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1083 = (5133 + 400 * (1 - 3)) / 4)

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Opponent Rating Result
Stephanie Brown 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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