Event: 5th Cornwall Online League

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Opponent Rating Result
John DM Nunn 2589 0 - 1
Lloyd Retallick 1941 1 - 0
Barry B Childs 1649 1 - 0
Richard AL Smith 1747 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2182 = (7926 + 400 * (3 - 1)) / 4)

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