Event: Combined Banks and Insurance Chess League 2008-09

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Opponent	Rating	Result
B Peter A Andrews	0	1 - 0
Daniel Farkas	0	1 - 0
Tim Chesters	0	1 - 0
Martin C Page	0	1 - 0

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

400 = (0 + 400 * (4 - 0)) / 4)