Event: 4-Board Division 1

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Opponent Rating Result
Stephen Crow 150 1 - 0
Giles Dunn 136 1 - 0(def)
Tim M Turner 167 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

159 = (317 + 400 * (1 - 1)) / 2)

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