Event: KO 2022-23

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Opponent Rating Result
Mark Broom 2140 0 - 1
Jonathan Taylor 1571 ½ - ½
Jonathan Taylor 1566 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1626 = (5277 + 400 * (0 - 1)) / 3)

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