Event: NCCA League Division 3

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Opponent Rating Result
Gregory P Sargent 1549 0 - 1
Stephen F Crane 1443 ½ - ½
David B Elsey 1340 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1444 = (4332 + 400 * (1 - 1)) / 3)

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