Event: 4-Board Division 1

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Opponent Rating Result
John E Sugden 1533 ½ - ½
Douglas Vleeshhouwer 2065 0 - 1
Bryan Hesler 1720 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1506 = (5318 + 400 * (0 - 2)) / 3)

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