Event: Division 1

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Opponent Rating Result
Giovanni Fazio 1800 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1800 = (1800 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
Michael Harrison 1420 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1820 = (1420 + 400 * (1 - 0)) / 1)