Event: OTB RuleOf6-13Jul-B

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Opponent Rating Result
David Smith 1666 1 - 0
David J Rawlings 1642 0 - 1
Ivan Hutcheson 1443 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1450 = (4751 + 400 * (1 - 2)) / 3)

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