Event: Division 3

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Opponent Rating Result
Sergiu Bivol 1791 0 - 1
Greg Burningham 1734 0 - 1
Phil Ash 1716 ½ - ½
Rory Davies 1728 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1442 = (6969 + 400 * (0 - 3)) / 4)

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