Event: R Division

Opponent Rating Result
Ibrahim Riaz 1007 1 - 0
David Otaryan 750 1 - 0
Ibrahim Riaz 1007 1 - 0
David Otaryan 750 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1279 = (3514 + 400 * (4 - 0)) / 4)

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