Event: Division 4B

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Opponent Rating Result
Michael Dean 1398 1 - 0
Jonathan Zeng 1376 0 - 1
Rafal Cala 1411 1 - 0
Thuvaragan Jeevananth 1523 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1427 = (5708 + 400 * (2 - 2)) / 4)

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