Event: KO 2022-23

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Opponent Rating Result
Marian Trofin 1660 0 - 1
Julie L Denning 1570 ½ - ½
Julie L Denning 1583 ½ - ½
Peter Rankin 1668 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1420 = (6481 + 400 * (0 - 2)) / 4)

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