Event: League Division Two

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Opponent Rating Result
Peter Smith 1502 1 - 0
Vaishnavi Ravi 1599 0 - 1
Michael Goldfinch 1643 ½ - ½
James Brown 1695 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1510 = (6439 + 400 * (1 - 2)) / 4)

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