Event: Lincoln Rapidplay

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Opponent Rating Result
Will Mason 0 1 - 0
Will Mason 0 1 - 0
Peter G Sherlock 0 0 - 1
Peter G Sherlock 0 0 - 1
Will Mason 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-80 = (0 + 400 * (2 - 3)) / 5)

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