Event: Basildon Club Championship 2021/2022

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Opponent	Rating	Result
Sean A Clarke	1893	0 - 1
Peter R Laundy	1810	0 - 1
David J Millward	1980	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1494 = (5683 + 400 * (0 - 3)) / 3)