Event: SCCU County Championship: U1850

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Opponent Rating Result
Orla Dorman 1726 ½ - ½
Keith S Jones 1782 ½ - ½
Peter L Childs 1772 1 - 0
Rajinder Jhooti 1803 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1771 = (7083 + 400 * (1 - 1)) / 4)

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