Event: 6-Board Division 1

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Opponent Rating Result
Richard O Callis 1619 ½ - ½
Robin A Edwards 1636 ½ - ½
Olegs Dukalevs 1750 0 - 1
Bryan Hesler 1776 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1595 = (6781 + 400 * (0 - 1)) / 4)

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