Event: Dudley Townshend Trophy

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Opponent Rating Result
John P Donovan 101 ½ - ½
Mike J Groombridge 132 1 - 0
Paul Barrett 116 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

383 = (349 + 400 * (2 - 0)) / 3)

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