Event: City Chess Swiss 2023-24

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Opponent Rating Result
Alex McDonald 1628 1 - 0
Nick Thynne 1516 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1572 = (3144 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
Joseph S Rees 1450 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1050 = (1450 + 400 * (0 - 1)) / 1)