Event: Combined Banks and Insurance Chess League 1999-00

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Opponent	Rating	Result
B Hodgson-Byrne	0	1 - 0
David R Chambers	0	0 - 1
Martin Linden	0	1 - 0
PM Blood	0	1 - 0
John Thompson	0	0 - 1

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

80 = (0 + 400 * (3 - 2)) / 5)