Event: October Rapid 2022

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Opponent Rating Result
Matthew Mawson 0 1 - 0
Peter Harker 1749 0 - 1
Darren John Donnison 1577 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

975 = (3326 + 400 * (1 - 2)) / 3)

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