Event: Combined Banks and Insurance Chess League 2012-13

Opponent Rating Result
Daniel Lindner 0 0 - 1
Mark S Gray 0 ½ - ½
B Peter A Andrews 0 ½ - ½
Mark Chamberlain 0 ½ - ½
Mark S Gray 0 ½ - ½
D Ian Calvert 0 ½ - ½
B Peter A Andrews 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-57 = (0 + 400 * (0 - 1)) / 7)

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