Event: OTB J Xmas Blitz

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Opponent Rating Result
Joseph Wong 1155 0 - 1
Aaron Cohen 1012 1 - 0
Shaurya Shivhare 1135 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1234 = (3302 + 400 * (2 - 1)) / 3)

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