Event: 4-Board Division 2

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Opponent Rating Result
Jim Miklevicz 1608 1 - 0
Tim M Turner 1893 0 - 1
Oleg Dukalev 1728 0 - 1
Richard Atkinson 1563 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1598 = (6792 + 400 * (1 - 2)) / 4)

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