Event: Rapidplay - Under 7000

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Opponent Rating Result
Chris M Collins 1675 0 - 1
Chris M Collins 1675 1 - 0
Charles V Howard 1938 0 - 1
Charles V Howard 1938 0 - 0
David J Archer 1773 0 - 1
David J Archer 1773 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1527 = (8834 + 400 * (1 - 4)) / 5)

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