Event: Combined Banks and Insurance Chess League 2005-06

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Opponent	Rating	Result
B Peter A Andrews	0	1 - 0
Robert K Thomas	0	½ - ½
Les M Burgess	0	1 - 0
Colin Bartlett	0	1 - 0
Clive R Wismayer	0	0 - 1

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

160 = (0 + 400 * (3 - 1)) / 5)