Big Cube BLD Discussion

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Is it viable to do memo the 4x4 visually, or are there too many pieces to keep track of?

I've only practiced visual for 3x3, therefore is the only method I'm able to do. I'm wondering if I'm able to do the 4x4 like this, or if I would have to adapt to learn some journey/story kind of method.

Thanks
 
Just try it. If you can, then good. If you can't, I suggest image pairs + routes.
 
Henrik said:
As far as I know Lars Nielsson reorients to what ever looks best.
I think he even does it with parity. But I am not sure about this.
Click to expand...
Slow answer sorry, but I only just noticed this.
I do reorient to what ever looks best. My official 14:44 had center parity. But Henrik found me a nice parity alg to do the trick. After that I love reorienting the centers :)

Chrish said:
Is it viable to do memo the 4x4 visually, or are there too many pieces to keep track of?

Thanks
Click to expand...

Yes it is possible with visual only. I do it for all bld. 4x4x4, 5x5x5 and I'm getting really close to the 7x7x7 too. Multi is not good with visual though.
It seems very hard to do at first, but gets better with practise (like anything else).
 
Marcell said:
Would you mind sharing it?
Click to expand...

Ofcourse not :)

Fw Uw2 Rw Uw' Rw' Fw M Fw' Rw Uw Rw' Uw2 Fw' M2
It switches UF and UB middle edges, Fu and Bu +centers and moves the middle centers an M'. For the same effect but moving the centers an M, do the inverse alg. Which is basicly the same only starting with M2 and doing M' in the middle part.
 
LarsN said:
Ofcourse not :)

Fw Uw2 Rw Uw' Rw' Fw M Fw' Rw Uw Rw' Uw2 Fw' M2
It switches UF and UB middle edges, Fu and Bu +centers and moves the middle centers an M'. For the same effect but moving the centers an M, do the inverse alg. Which is basicly the same only starting with M2 and doing M' in the middle part.
Click to expand...

Or do E2 first. and end with E2 ;)
 
LarsN said:
Or just E and E' (or S) for other interesting effects :) clever ... I hadn't thought of that.
Click to expand...

Lars, thanks for sharing your alg. This post gave me an idea as well. For a "parity" center state you could also memorize the cube off by a quarter turn of the E layer (or M layer), and then make that your first turn during the solve. This would complicate memorization slightly, but with practice one might get used to it? Perhaps? Just a thought. I will try to learn the parity alg, and see if it would help during my solving - I currently only orient to even parity center states.

Chris
 
LarsN said:
Fw Uw2 Rw Uw' Rw' Fw M Fw' Rw Uw Rw' Uw2 Fw' M2
It switches UF and UB middle edges, Fu and Bu +centers and moves the middle centers an M'. For the same effect but moving the centers an M, do the inverse alg. Which is basicly the same only starting with M2 and doing M' in the middle part.
Click to expand...

Wow, that's really nice (and fun!). I might have to try it.

But I have to admit that lately I've had several really fast successes where I decided before I started that I wouldn't reorient. It seems like often it puts me in a slow mood to reorient - I take the whole solve too leisurely when I reorient, but if I attack it with the standard orientation, I seem to naturally go a little faster. My sub-14 for this week's weekly competition was done that way.
 
Hmm, I just noticed this discussion, interesting :)

Yes, I use reorientation, but I tend to spend too much time on figuring out the optimal
orientation, sometimes I've noticed using more than a minute on that (in hard cases).

So lately I have started to reorient less, only if I immediately see something promising.
Otherwise I just go for what I've got without reorientation.
I will surely look into both Lars' and Arvids algs and see if they suits me. But is not
TMOY:s approach a good try too? Of course you have to memorize another moment to
fixing all centers after joining them. Do you have any nice algs for that, Francois? I
would like to try that too.
 
My algs for swapping whole centers (except of course the centermost piece) are the following. (My notations for multiple inner layers: for example Ew means the wide E slice (all three inner layers), lw means tha wide inner slice (left inner slice + middle slice.)
For swapping two opposite centers (F and B): l2 uw2 l2 Ew2 lw2 d2 lw2.
For swapping two adjacent centers (F and U): l Ew' L2 Ew l' r' Ew' L2 Ew rw U' l' r U M U' l r' U (anyone has a better alg for this one ?)
Note that I use visual memo for centers, so planning where I want to put each center doesn't slow my memo down.
 
Last edited:
I am sure this is already answered but I would have to dig up some thread to get it answered. So I am asking here.

I am using r2 to solve 4x4x4 edges. But I have a problem. If the target edge is in r or l then I am stuck. Either I have to use horiffiyingly long setups or do some other commutators. What is generally done in such a case?

M2/r2 is awesome if you have to solve edges in R and L but in r or l I just like the UBr edge :)
 
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