Event: Lewisham Club Championship 2023

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Opponent Rating Result
Wilfred Wheatley 0 0 - 1
Manas Mukhopadhyay 1523 1 - 0
Peter McGranaghan 1627 1 - 0
Alex Cooper 1713 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1216 = (4863 + 400 * (2 - 2)) / 4)

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