Event: Division 2 - Weston Trophy

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Opponent Rating Result
Alan K Sutton 151 ½ - ½
George Peters 137 0 - 1
Peter Cooper 134 0 - 1
Robert Porter 124 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-164 = (546 + 400 * (0 - 3)) / 4)

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