Event: Combined Banks and Insurance Chess League 2005-06

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Opponent Rating Result
Martin C Page 0 1 - 0
David MP Burford 0 ½ - ½
David A Tidmarsh 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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

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