Event: Essex Summer Rapid Knockout

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Opponent Rating Result
Peter A Nickals 1663 1 - 0
Peter A Nickals 1663 1 - 0
Istvan Karacsony 1887 0 - 1
Istvan Karacsony 1887 1 - 0
Edgar Wilson 2001 0 - 1
Edgar Wilson 2001 1 - 0
James M Robinson 1944 0 - 1
James M Robinson 1944 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1874 = (14990 + 400 * (4 - 4)) / 8)

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