Event: Combined Banks and Insurance Chess League 2011-12

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Opponent Rating Result
D Ian Calvert 0 ½ - ½
Ian N Heppell 0 0 - 1
Alan R Griffiths 0 1 - 0
Jean-Baptiste Jugand 0 ½ - ½
Robert F Willmoth 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-80 = (0 + 400 * (1 - 2)) / 5)

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