Event: 6-Board Division 2

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Opponent Rating Result
Ewan Black 1539 ½ - ½
Christopher J Harris 1458 1 - 0
Stuart Sharp 1539 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1779 = (4536 + 400 * (2 - 0)) / 3)

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