Event: 6600-max Rapid-play

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Opponent Rating Result
Peter J Pearson Jones 1669 1 - 0
Derek Ellesmore 1703 1 - 0
Peter J Pearson Jones 1669 0 - 1
Derek Ellesmore 1703 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1886 = (6744 + 400 * (3 - 1)) / 4)

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