Event: Division 2

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Opponent Rating Result
T Jeff Povall 1699 1 - 0
Mark S Wadsworth 1744 0 - 1
Kevin A Sartain 1778 0 - 1
Michael Barooah 1786 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1552 = (7007 + 400 * (1 - 3)) / 4)

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