Event: NCCA League Division 4

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Opponent Rating Result
Dennis G Driscoll 1339 1 - 0
Reggie Sexton 1400 0 - 1
Diana Vallverdu 1300 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1213 = (4039 + 400 * (1 - 2)) / 3)

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