Event: Division One

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Opponent Rating Result
Golam S Ali 175 0 - 1
Richard CT Parry 147 ½ - ½
Mike Hadley 162 0 - 1
Alan Giles 147 0 - 1
John Green 132 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-167 = (763 + 400 * (0 - 4)) / 5)

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