Event: Division B

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Opponent Rating Result
Jeffrey Page 1685 1 - 0
Jeffrey Page 1685 ½ - ½
Kyriacos Kyriacou 1541 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1904 = (4911 + 400 * (2 - 0)) / 3)

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