Sorry, I think I misunderstood your post. Re this:
pianoloverus If you try the most difficult passages and realize they're beyond your current ability
I've already done that with the "easier" hard part, which is why I don't think this is the right time for me to work on this piece.
We'll see, lesson day is tomorrow!
Not here to write any advice but just a comment. The original post reminded me of the Animenz Youtube channel and how I enjoyed his arrangements, so I went to his web site and ordered the two volume set. Thanks @ShiroKuro for the suggestion!
Just a warning, they are pretty advanced...
Well I had my lesson today! (Yay, have I mentioned that I love lesson days? 
My teacher agreed that it's a little bit too much of a stretch, so we talked about things to work on to sort of push myself forward.
We talked about the fact that there are different kinds of complexity. For example, a piece could be hard because it has a fast tempo. Or maybe it's rhythmically or melodically challenging, say because it has lots of syncopation or a very intricate or involved melody line. Or a piece could be hard because it has harmonic complexity, so lots of chords in one or both hands ... And of course, a piece could have some combination of these, or all of these elements.
So we looked at the pieces I'm working on right now, and most of them are not very chordal. He pointed out that I am pretty good with pieces that are complex because of tempo of rhythmic/melodic challenges, but he said pieces that have a lot of 3- or 4-note chords, esp. in the right hand, those are the ones I am more likely to find challenging.
That made a lot of sense to me.
Oh he also pointed out that another thing I'm good about is playing in all kinds of different keys, so multiple sharps or flats don't bother me, and I have pieces that take me up and down the keyboard, big arps and octaves etc....
It was nice to have him point out my strengths as well as my shortcomings. I hadn't really thought about it that way, but the things I'm go at or the kinds of pieces I can get into my fingers quickly have those characteristics.
So he wants me to work on a Chopin prelude and a Rachmaninoff prelude (because he said they're more chordal).
And I showed him some pieces that I've started in the past but given up on, and we agreed on ones that I should return to now, which are more chordal...
Oh and we picked out my recital pieces for April, and talked about a potential mini concert as well.
And I feel like I have a better understanding of what I'm good at and where I need more work.
So it was a very good lesson and I have three more pieces to get started on! 
So, yeah… after I posted this last night, I went and actually got the music for the Rachmaninoff prelude he wants me to play… I didn’t recognize the name but of course I know it.
It’s the Prelude in C# minor, Op. 3 No. 2.
He has way too much faith in me! 
Granted, he said “for now just work on the first page” but still!
I’ll start with the Chopin.
Good grief!
It's not as bad as it might look. Based on your previous recital, I think you can definitely handle it. And within a few months of practicing the last page, your forearms will be big enough to open any pickle jar!
Ah, Rachmaninoff, no wonder people say you’re difficult….
So yesterday I started two new pieces, one by Einaudi and the other was this Rach Prelude in C# minor.
The piece by Einaudi is 3 pages long, it starts like this:
And as you know, the Rach starts like this:
My plan was to play up through measure 5 of the Rach, but I stopped and got out my scales and arps book and played the C# minor scale, arps and cadences a bit… then I went back to Rach and spent a bit of time with measure three, reminding myself about those double sharps (duh) and just figuring out my fingering and so on. So I spent my entire time with this prelude just playing measures 1 though 3.
And that Einaudi piece? I worked on the first page (16 measures), getting the tempo where I wanted it and so on.
And that, in a nutshell, is a nice little gauge of difficulty. How much can I accomplish in 15 minutes, three measures or one whole entire page? In tonight’s practice, I’ll probably work on all three pages of the Sarabande, and I’ll be lucky if I can get through to measure 5 of the Rach prelude.
Lol, my teacher often tells me that she'd rather I came to my next lesson being able to play one measure really, really well than fumble through ten of them. The Rach would be one of those one measure per week pieces.
The difficulty in the Einaudi piece would be losing one's place! 
@ShiroKuro Those are the easy measures. 
Don't worry though, a lot of it is noticing patterns and sequences that repeat.
Are you using the fingering where the thumbs cross? I would recommend playing it like that instead of redistributing the notes between the hands. It's a little more difficult technically but it makes the whole sequence much more logical and easier to deal with once you get the hang of it.
BartK Are you using the fingering where the thumbs cross? I would recommend playing it like that instead of redistributing the notes between the hands. It's a little more difficult technically but it makes the whole sequence much more logical and easier to deal with once you get the hang of it.
Do you mean where maybe the RH thumb is playing a lower note than the LH thumb? So the hands fit inside of each other, sort of? Yes, that's how I played it yesterday. That's what you recommend, right? Rather than redistributing? That was my intention.
a lot of it is noticing patterns and sequences that repeat.
Yes, this is my hope!! Otherwise I'm doomed!!
Stub The Rach would be one of those one measure per week pieces.
Yes indeed!!!
The difficulty in the Einaudi piece would be losing one's place!
It's very pretty though. It has three pages, and three musical thoughts!
My goal for this piece is that actually it's intended to be my "easy" piece to play first in the recital in April.
For the record, I will not be playing the Rach in any recital. 
ShiroKuro Do you mean where maybe the RH thumb is playing a lower note than the LH thumb? So the hands fit inside of each other, sort of? Yes, that's how I played it yesterday. That's what you recommend, right? Rather than redistributing? That was my intention.
Yes. A little further in that section there is a sequence of chords where sometimes the LH is on top and sometimes the RH is on top. It requires a bit of choreography of the hands but it's more logical that way.
This might help you cross the gap. Sheet music is available.
Nice, thank you! I've actually played a version of this before, but the one you shared here is a much nicer (and fuller) arrangement! And only $3! Sold!!!
Richer and more complex version
