Event: Division 4

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Opponent Rating Result
Edward Hargreaves 1645 0 - 1
Adam Tarling 1720 0 - 1
Helen M Frostick 1683 0 - 1
Robert G Page 1690 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1285 = (6738 + 400 * (0 - 4)) / 4)

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