Event: B&DCL Div 3

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Opponent Rating Result
Alan J Tyler 135 ½ - ½
Peter Donaldson 134 0 - 1
Richard W Ursell 142 ½ - ½
Mike Rutter 122 ½ - ½
Fridolin Maier 152 0 - 1
Michael J Litchfield 139 ½ - ½
Michael J Litchfield 139 ½ - ½
Adam Jaggard 122 0 - 1
Malcolm Day 118 ½ - ½
Harold A Buckfield 127 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

53 = (1330 + 400 * (1 - 3)) / 10)

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