Event: Club Championship 2022/2023

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Opponent Rating Result
Derek A Sheppard 1715 0 - 1
Alec Grice 1674 0 - 1
Graham Lee 1577 ½ - ½
Esmond Harding 1306 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1268 = (6272 + 400 * (0 - 3)) / 4)

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