Event: Ivan Gromov Online Schools Chess League

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Opponent Rating Result
Ronik Popli 1127 0 - 1
Pratyush Manchandia 1214 0 - 1
Ben Shorter 1544 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

895 = (3885 + 400 * (0 - 3)) / 3)

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Opponent Rating Result
Jan Siemens 0 0 - 1
Sushant Lankothu 1067 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

134 = (1067 + 400 * (0 - 2)) / 2)