Event: Club Championship 2023/2024

Opponent Rating Result
Derek A Sheppard 1720 0 - 1
Michael C Hackett 1634 0 - 1
Steve Tomlinson 1449 ½ - ½
R Malcolm Hara 1611 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1404 = (6414 + 400 * (0 - 2)) / 4)

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