Event: Autumn League

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Opponent Rating Result
Chris Haynes 1735 ½ - ½
Frank Jewell 1481 0 - 1
Derek I Lomax 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

939 = (3216 + 400 * (0 - 1)) / 3)

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