Event: Lewisham Club Championship 2023

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Opponent Rating Result
Christopher Gallagher 0 0 - 1
Mike H Wood 1706 0 - 1
David Hamilton 1510 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

672 = (3216 + 400 * (0 - 3)) / 3)

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