Event: Rapidplay League

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Opponent Rating Result
Gareth Price 0 1 - 0
Gareth Price 0 1 - 0
Simon Watson 163 0 - 1
Simon Watson 163 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

82 = (326 + 400 * (2 - 2)) / 4)

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