Event: B&DCL Div 4

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Opponent Rating Result
Tim Joyce 127 0 - 1
Jim Newman 105 0 - 1
Adam Jaggard 102 ½ - ½
J Mike Davies 117 0 - 1
J Mike Davies 117 1 - 0
Adam Jaggard 102 0 - 1
Michael N Davidson 107 0 - 1
Seth DR Rider 109 1 - 0
Phil Wallace 120 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-66 = (1006 + 400 * (2 - 6)) / 9)

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