Event: 480 Max

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Opponent Rating Result
Jon A Asbury 113 0 - 1
George Mitchell 75 1 - 0
Jon A Asbury 113 ½ - ½
George Mitchell 75 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

194 = (376 + 400 * (2 - 1)) / 4)

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