Event: Combined Banks and Insurance Chess League 2002-03

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Opponent	Rating	Result
Alan F Jackson	0	1 - 0
James H Aldred	0	1 - 0
Martin Linden	0	1 - 0
Ron L Johannes	0	0 - 1
Daniel Tunkel	0	1 - 0

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

240 = (0 + 400 * (4 - 1)) / 5)