Event: DCL Div 3

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Opponent Rating Result
John R Bowley 134 1 - 0
Richard Smith 137 0 - 1
John R Bowley 134 1 - 0
Richard W Quin 118 1 - 0
Simon Patterson 136 0 - 1
David Aldwinckle 131 ½ - ½
Jeremy Beling 119 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

130 = (909 + 400 * (3 - 3)) / 7)

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