Event: B&DCL Div 2

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Opponent Rating Result
Simon Errington 102 1 - 0
Jessie Manrique 113 1 - 0
Peter Donaldson 144 ½ - ½
Robert Halse 130 1 - 0
Stephen Disney 132 1 - 0
John Belinger 119 1 - 0
Robert Halse 130 0 - 1
Peter Donaldson 144 1 - 0
Roy Egginton 121 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

393 = (1135 + 400 * (7 - 1)) / 9)

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