Event: Combined Banks and Insurance Chess League 2010-11

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Opponent	Rating	Result
Sujit R Kapadia	0	0 - 1
Carl J Hetherington	0	0 - 1
Steven JF Walsh	0	½ - ½
Aditya (Adi) Gupta	0	1 - 0
Perry Siriyatorn	0	½ - ½
Daniel Lindner	0	0 - 1
Mark Chamberlain	0	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

-171 = (0 + 400 * (1 - 4)) / 7)