Event: SCCU County Championship: u1650

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Opponent Rating Result
David Flewellen 1627 0 - 1
C Andrew J Costeloe 1639 ½ - ½
David Lettington 1608 ½ - ½
Evan Beachley 1635 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1527 = (6509 + 400 * (0 - 1)) / 4)

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