Event: Lewisham Club Championship 2023

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Opponent Rating Result
Rod Wigbout 0 0 - 1
Iain Hunt 1424 1 - 0
Matthew Helsby 1314 1 - 0
Kenroy Smith 1793 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1133 = (4531 + 400 * (2 - 2)) / 4)

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