Event: Division 4

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Opponent Rating Result
Alastair Young 84 0 - 1
Len J Morrell 101 0 - 1
Simon Parham 72 0 - 1
Adam Lilley 65 1 - 0
Graham J Gibson 111 0 - 1
Alagappan Egappan 70 0 - 1
Len J Morrell 101 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-142 = (604 + 400 * (1 - 5)) / 7)

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