Event: Tonbridge Qualifier

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Opponent Rating Result
Oscar Christensen 1220 0 - 1
Harry Mannix 83 0 - 1
Yijun Wang 1656 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

586 = (2959 + 400 * (0 - 3)) / 3)

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