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Event: WMA Summer League Division 2

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Opponent Rating Result
Joseph Dance 97 ½ - ½
Julie C Wilson 150 0 - 1
Joseph Dance 97 1 - 0
Julie C Wilson 150 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

124 = (494 + 400 * (1 - 1)) / 4)

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