Event: D&DCL Div 2

Opponent Rating Result
James R Shore 1713 0 - 1
Mike P Maher 1705 0 - 1
Brian Foster 1203 1 - 0
Duncan J Livsey 1713 0 - 1
Dudley Thorpe 1330 ½ - ½
Richard P Temple 1458 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1454 = (9122 + 400 * (2 - 3)) / 6)

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