Event: Division A

Opponent Rating Result
Peter W Rose 1827 ½ - ½
Steven JL Rix 1988 ½ - ½
Rayyan Asif 1400 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1872 = (5215 + 400 * (1 - 0)) / 3)

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