Event: ECC Online RapidPlay Results 01/01/2021

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Opponent Rating Result
Darrell Lindsay 1321 1 - 0
Nigel Holland 93 1 - 0
Dave S Almond 1765 1 - 0
Jules Irenge 127 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1227 = (3306 + 400 * (4 - 0)) / 4)

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