Event: Ivan Gromov Online Schools Chess League

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Opponent Rating Result
Markos Mouratidis 1155 1 - 0
Oscar Lawson 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

578 = (1155 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
Anixton Linton 1391 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1791 = (1391 + 400 * (1 - 0)) / 1)