Event: NCCA League Division 4

Opponent Rating Result
Bruce M Carman 1461 1 - 0
Mark Nicholls 1460 1 - 0
Dennis G Driscoll 1339 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1820 = (4260 + 400 * (3 - 0)) / 3)

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