Event: Division Two

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Opponent Rating Result
Jagdeep Dhemrait 174 0 - 1
Petr Vachtfeidl 157 0 - 1
Amar Virk 107 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

13 = (438 + 400 * (1 - 2)) / 3)

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