Event: Essex Online Championship LIVE

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Opponent Rating Result
Neville H Twitchell 0 1 - 0
Harry Z Zheng 0 1 - 0
David A Sands 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

133 = (0 + 400 * (2 - 1)) / 3)

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Opponent Rating Result
John H Hodgson 0 0 - 1
Ashley Freeman 170 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

85 = (170 + 400 * (1 - 1)) / 2)