Event: Christmas Rapid

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Opponent Rating Result
Mark Webb 1529 0 - 1
Lenny Horn 744 1 - 0
Raf Calumpiano 1311 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1328 = (3584 + 400 * (2 - 1)) / 3)

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