Event: Summer Tournament 2023

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Opponent Rating Result
James Gray 1215 1 - 0
John E Davis 1475 1 - 0
Iwan Cave 2159 0 - 1
Cary Xie 1599 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1712 = (6448 + 400 * (2 - 1)) / 4)

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