Event: Division 2

Opponent Rating Result
Petr Vachtfeidl 1945 0 - 1
Mohammed Alahi 1839 0 - 1
Pete Meadows 1749 1 - 0
Anik Fonseka 1635 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1592 = (7168 + 400 * (1 - 3)) / 4)

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