Event: Rapidplay 2023-24 all-play-all

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Opponent Rating Result
Peter Rankin 1568 0 - 1
Peter Rankin 1568 0 - 1
Oliver Martin 1373 1 - 0
Oliver Martin 1373 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1471 = (5882 + 400 * (2 - 2)) / 4)

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