Event: Stockton Heath Club Championship

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Opponent Rating Result
Jan Machnio 694 1 - 0
Jack Signorini 1191 0 - 1
Jack Sykes 0 0 - 1
Yuon Dee 937 0 - 1
Yau Chai Aiden Leung 801 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

485 = (3623 + 400 * (1 - 4)) / 5)

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