Event: League Division 2

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Opponent Rating Result
Andy Ross 1685 0 - 1
Angelica Rowe 1596 ½ - ½
Paul Hardy 1509 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1330 = (4790 + 400 * (0 - 2)) / 3)

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