Event: Ivan Gromov Season 3

Opponent Rating Result
Polina Korchagina 0 0 - 1
Edward Jackson 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
Dalen Kurmanbayev 0 1 - 0
Ashton Gadiot 0 0 - 1
Rey Bhardwaj 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

133 = (0 + 400 * (2 - 1)) / 3)