Event: Club Championship 2022/2023

Opponent Rating Result
Derek A Sheppard 1715 ½ - ½
Alec Grice 1674 1 - 0
Tim M Turner 1884 0 - 1
Michael C Hackett 1615 0 - 1
Steve Hughes 1426 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1663 = (8314 + 400 * (2 - 2)) / 5)

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