Event: KO 2022-23

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Opponent Rating Result
James Leare 1415 1 - 0
Ian S Comley 1912 ½ - ½
Ian S Comley 1902 1 - 0
Peter Harbott 1936 1 - 0
Mark Broom 2130 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2179 = (9295 + 400 * (4 - 0)) / 5)

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