Event: 3rd Cornwall Online League

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Opponent Rating Result
Petra Nunn 0 0 - 1
Neil AJ Robinson 0 1 - 0
Maurice A Richards 0 1 - 0
Robin FG Kneebone 2223 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

556 = (2223 + 400 * (2 - 2)) / 4)

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