Event: Combined Banks and Insurance Chess League 2013-14

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Opponent	Rating	Result
Sujit R Kapadia	0	1 - 0
David J Hatfield	0	½ - ½
Peter Tsonev	0	0 - 1
Kevin P Millward	0	0 - 1
Mark Chamberlain	0	1 - 0

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

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