Event: NCCA League Division 4

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Opponent Rating Result
Tony R Larner 1486 0 - 1
John Redfield 1200 1 - 0
Diana Vallverdu 1495 0 - 1
Reggie Sexton 1400 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1195 = (5581 + 400 * (1 - 3)) / 4)

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