Event: London Banks Team Swiss 2008-09

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Opponent Rating Result
Bertrand A Barlow 0 ½ - ½
Chris J Summerfield 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

200 = (0 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
Tom R Chivers 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 1)) / 1)