Event: Lewisham Club Championship 2023

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Opponent Rating Result
Kenroy Smith 0 0 - 1
Conrad Hall 1503 0 - 1
Miki Zmudzinski 1542 0 - 1
James R Barber 1308 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

888 = (4353 + 400 * (1 - 3)) / 4)

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