Event: 4th Cornwall Online League

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Opponent Rating Result
Maria Evdokimova 0 0 - 1
Gary Trudeau 0 0 - 1
Martin Pope 0 0 - 1
Christine F Constable 0 0 - 1
John DM Nunn 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 5)) / 5)

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