Event: Rapidplay League

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Opponent Rating Result
Ben Strutt 140 0 - 1
Ben Strutt 140 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-60 = (280 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
John K Holliday 125 0 - 1
John K Holliday 125 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-75 = (250 + 400 * (0 - 1)) / 2)