Event: Division C

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Opponent Rating Result
Lester Moses 1422 1 - 0
Lester Moses 1422 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1422 = (2844 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
Mary Cawdery 1133 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1133 = (1133 + 400 * (0 - 0)) / 1)