Event: OTB Club Challenge Rapid

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Opponent Rating Result
Philip Staniland 1852 0 - 1
Ian D Hunnable 1994 0 - 1
David Spearman 2233 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1626 = (6079 + 400 * (0 - 3)) / 3)

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