Re: Zuzanna Maciejewska
That's very unlikely. She is currently #616 and it seems she won't play any tournament before late October or even November. By that time, she will be able to play only some 10k's or 25k's at best, and so far she has never got consistent enough results to climb the rankings that fast.
If she does well, I think she can reach the top 500 by the end of the year but not more (unless she does VERY well, and I hope so too!).