Event: NCCA League Division 2

Opponent Rating Result
Ashley Robinson 1587 0 - 1
Robert E Rickard 1734 0 - 1
Andrew S Pandian 1617 0 - 1
Peter Stone 1620 0 - 1
Joseph Grant 1612 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1234 = (8170 + 400 * (0 - 5)) / 5)

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