Event: SCCU County Championship: u1850

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Opponent Rating Result
John Polanyk 1769 1 - 0
Andrew P Willoughby 1775 0 - 1
H Trevor Jones 1632 ½ - ½
Inder-Veer Singh 1737 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1728 = (6913 + 400 * (1 - 1)) / 4)

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