Event: Dudley Townshend Trophy

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Opponent Rating Result
Gary Phillips 74 1 - 0
Richard F Collett 107 1 - 0
Ionut Florin Valea 116 1 - 0
John Grant 134 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

308 = (431 + 400 * (3 - 1)) / 4)

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