Event: Division 4

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Opponent Rating Result
Tim Wells 1694 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1294 = (1694 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Anthony Foreman 1601 1 - 0
Cecil Sloan 1663 0 - 1
Faye Ainscow 1589 1 - 0
Humphrey CN Jones 1663 0 - 1
Milosh Cvijanovic 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1223 = (6516 + 400 * (2 - 3)) / 5)