Event: NCCA League Division 4

Opponent Rating Result
Bodo U Rissmann 1501 1 - 0
Dennis G Driscoll 1360 ½ - ½
Edward Hackford 1525 1 - 0
Tony Piper 1380 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1742 = (5766 + 400 * (3 - 0)) / 4)

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