Event: Division 2 - Weston Trophy

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Opponent Rating Result
Mick McManus 0 ½ - ½
Peter J Hoare 133 0 - 1
Ian Edmundson 153 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-38 = (286 + 400 * (0 - 1)) / 3)

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