Event: B Division

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Opponent Rating Result
Allan Gardner 1828 ½ - ½
Amy Lovatt 1788 0 - 1
Leila Feiz 1725 0 - 1
Helal Ahmed 1755 ½ - ½
Marcus Fung 1444 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1468 = (8540 + 400 * (0 - 3)) / 5)

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