Event: Combined Banks and Insurance Chess League 2006-07

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Opponent Rating Result
Steven JF Walsh 0 ½ - ½
Julian T Ward 0 ½ - ½
David L Barrett 0 ½ - ½
B Peter A Andrews 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

100 = (0 + 400 * (1 - 0)) / 4)

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