Event: SCCU County Championship: U1650

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Opponent Rating Result
John B Illingworth 1638 0 - 1
Brian E Foster 1630 0 - 1
Anthony Garrood 1514 0 - 1
David M Rogers 1600 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1296 = (6382 + 400 * (0 - 3)) / 4)

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