Event: SCCU County Championship: u1650

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Opponent Rating Result
John R McKenna 1622 0 - 1
Joseph B Farrell 1611 ½ - ½
Faye Ainscow 1596 0 - 1
Robert W Fairhall 1602 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1408 = (6431 + 400 * (0 - 2)) / 4)

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