Event: Internal LP (Long Play)

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Opponent Rating Result
Michael D Plumb 127 0 - 1
Jamie J Wood 136 0 - 1
Michael D Plumb 127 0 - 1
Mike Spence 131 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-70 = (521 + 400 * (1 - 3)) / 4)

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