Event: NCCA League Division 2

Opponent Rating Result
Stephen Livermore 1635 ½ - ½
Joseph Grant 1640 1 - 0
Robert E Rickard 1726 0 - 1
Matthew R Perry 1697 0 - 1
David W Moore 1460 1 - 0
Harvey W Collins 1518 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1679 = (9676 + 400 * (3 - 2)) / 6)

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