Event: League Division Two

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Opponent Rating Result
Richard Sanger 0 ½ - ½
John Hipshon 1670 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

635 = (1670 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Paul G Day 1758 1 - 0
David Hitchman 1217 0 - 1
Samuel Bermejo 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

858 = (2975 + 400 * (1 - 2)) / 3)