Event: Sheffield Junior Open

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Opponent Rating Result
Aditya Krishnan 1398 0 - 1
Xiaorui Wang 50 0 - 1
Max Duemmer Wrigley 0 1 - 0
Andrew Carden 1420 0 - 1
Ruby Joyce 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

334 = (2868 + 400 * (1 - 4)) / 5)

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