Event: South Cheshire Shield

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Opponent Rating Result
Cristian-Gabriel Dragan 1279 ½ - ½
Julian N Hawthorne 1682 0 - 1
Alberto Gissi 1653 0 - 1
Jon EW Blackburn 1661 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1469 = (6275 + 400 * (1 - 2)) / 4)

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