Event: Online Championship 2020/2021

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Opponent Rating Result
Graham Lee 0 0 - 1
Alec Grice 1694 ½ - ½
J Gerry Johnstone 1669 0 - 1
Esmond Harding 1313 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

869 = (4676 + 400 * (0 - 3)) / 4)

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