Event: B Division

Opponent Rating Result
Santiago Palencia Ruiz 1600 ½ - ½
Robert Donner 1652 ½ - ½
Nikhil Bhandari 1707 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1520 = (4959 + 400 * (0 - 1)) / 3)

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