Event: Combined Banks and Insurance Chess League 2009-10

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Opponent Rating Result
Steven JF Walsh 0 1 - 0
Costas Karayiannis 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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Opponent Rating Result
Daniel Lindner 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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