Event: OTB Club Championship

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Opponent Rating Result
Peter A Nickals 1824 0 - 1
Jean L Mara 1098 1 - 0
David J Rawlings 1719 0 - 1
Andrew Swales 1765 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1402 = (6406 + 400 * (1 - 3)) / 4)

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