it could happen that the number of people improving could be more than than the number who went down on the list. as an example, lets say we have position numbers 10,11,12. and both 11 and 12 happen to have more marks than number 10. then 11 will become 10, 12 will become 11. so 10 will become 12.
so two imporve but one loses his position.
still it is hard to imagine how you could adjust 13 against 266.

my own perception is that all this error has been due to the wrong application of the tie breakers. you people know about the tie breakers?
i think i should start next thread.