Event: SCCU County Championship: u1850

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Opponent Rating Result
David J White 1767 0 - 1
Nicholas D Grey 1702 ½ - ½
Stephen W Berkley 1723 ½ - ½
Mae C Catabay 1698 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1623 = (6890 + 400 * (0 - 1)) / 4)

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