Event: SCCU County Championship: U1850

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Opponent Rating Result
Geoffrey L Bishop 1735 ½ - ½
Zebedee Jones 1638 1 - 0
David Smith 1637 0 - 1
Gregg SH Hutchence 1548 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1540 = (6558 + 400 * (1 - 2)) / 4)

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