Event: June Swiss 2023 Challengers

Opponent Rating Result
Graham R Jones 1491 ½ - ½
Larysa Klepikovska 0 ½ - ½
Matthew Taylor 1615 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1169 = (3106 + 400 * (1 - 0)) / 3)

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