Event: Division 3

Opponent Rating Result
Andrew J Savage 1896 0 - 1
Ken D Jones 1685 0 - 1
Robert J Frith 1771 1 - 0
David I Hulme 1772 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1781 = (7124 + 400 * (2 - 2)) / 4)

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