Event: Thornaby Junior Chess Open Under 18

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Opponent Rating Result
Charles Hind 1083 0 - 1
Hubert Hildebrandt 0 0 - 1
Michael Leathley 824 0 - 1
Raihan Malik 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

77 = (1907 + 400 * (0 - 4)) / 4)

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