Event: B&DCL Div 1

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Opponent Rating Result
Alan J Tyler 135 1 - 0
Jon F Catchpole 155 ½ - ½
David Bryant 141 1 - 0
P Dragi Popovic 153 1 - 0
John R Bowley 125 1 - 0
Toby WB Miller 150 0 - 1
Stephen Appleby 153 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

259 = (1012 + 400 * (4 - 2)) / 7)

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