Event: Lewisham Club Championship 2023

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Opponent Rating Result
Mark M Robertson 2037 0 - 1
Arnaud Malet 1833 1 - 0
Adam Sixsmith 1702 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1991 = (5572 + 400 * (2 - 1)) / 3)

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