Event: Combined Banks and Insurance Chess League 2007-08

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Opponent Rating Result
Alan E Hanreck 0 ½ - ½
David L Barrett 0 1 - 0
B Peter A Andrews 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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Opponent Rating Result
Rohan M Churm 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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