Event: St Albans Qualifier

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Opponent Rating Result
Yousef Beg 0 1 - 0
James Chong 1173 0 - 1
Misha Ufland 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

258 = (1173 + 400 * (1 - 2)) / 3)

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