Big Cube BLD Discussion

[cmhardw]

I'm certain this is already known, but I can't believe I never thought of this before.

X-center Per-Special (12 moves) done as a two move setup to an 8 move commutator:
l' F2 l U2 l' d2 l U2 l' d2 F2 l

 

[RyanReese09]

I'm certain this is already known, but I can't believe I never thought of this before.

X-center Per-Special (12 moves) done as a two move setup to an 8 move commutator:
l' F2 l U2 l' d2 l U2 l' d2 F2 l

When we were on facebook going over 4bld, I'm certain we went over this (you asked me what I would do in this situation)

 

[toastman]

So, I've been learning TuRBo recently on the 3x3. (The setup moves are tricky, much practice required). As an aside, I wondered what would happen if I tried a variant of these algs on a 4x4: Try this:

U' R U R' U' [R'r] U R U' r' U (Do the R'r thing like an M' on a 3x3)

Viola, you've just done a 3-cycle of edge pieces.

I'm sure the rest of the TuRBo algs could be converted this way, maybe even finger-trick friendly.

1) Is this of any use?
2) Is such an approach feasable? Say, as an alternative to r2?

 

[aronpm]

So, I've been learning TuRBo recently on the 3x3. (The setup moves are tricky, much practice required). As an aside, I wondered what would happen if I tried a variant of these algs on a 4x4: Try this:

U' R U R' U' [R'r] U R U' r' U (Do the R'r thing like an M' on a 3x3)

Viola, you've just done a 3-cycle of edge pieces.

I'm sure the rest of the TuRBo algs could be converted this way, maybe even finger-trick friendly.

1) Is this of any use?
2) Is such an approach feasable? Say, as an alternative to r2?

Check out the 3-cycles on Kir's K4 page. (the notation there is: r is a slice, Rw is a wide turn). There are more cases because you can have 2 targets on the same edge pair.

You definitely could use it as an alternative to r2 but I don't know if it's worth it, because r2 is so simple, and the movecount for r2 is probably about the same.

 

[toastman]

Check out the 3-cycles on Kir's K4 page. (the notation there is: r is a slice, Rw is a wide turn). There are more cases because you can have 2 targets on the same edge pair.

You definitely could use it as an alternative to r2 but I don't know if it's worth it, because r2 is so simple, and the movecount for r2 is probably about the same.

Ah, I see. Damn there are a lot of cases. Thanks dude!

 

[cmhardw]

When we were on facebook going over 4bld, I'm certain we went over this (you asked me what I would do in this situation)

Yeah, I think I do remember that. I guess I always just thought of this as using the 3 turn setup l' F2 l (which gives the same algorithm as long as you do the cancelation that results). I just never noticed that the 3 turn setup had a cancellation until just now.

 

[CubingSpree]

is there any 4x4 BLD Tutorial and textbased one?

 

[Cool Frog]

this might seem a bit off, but Is there a super cube safe T perm?

 

[Hershey]

this might seem a bit off, but Is there a super cube safe T perm?

http://www.youtube.com/watch?v=zzofrt8i7go

 

[Cool Frog]

hurm, after thinking about ifor a bit you can't have a super cube safe T perm.
the video just confirmed my suspicion.

 

[CubingSpree]

hey i said that is there any 4x4 BLD Tutorial and textbased one?..... no any answer :/

 

[Julian]

hey i said that is there any 4x4 BLD Tutorial and textbased one?..... no any answer :/

Seriously? It's been an hour.

Daniel Sheppard (kinch2002) on youtube.

 

[Mossar]

I've solved maybe five 444 blindfolded, my best is 9:22 and now I noticed that I've got problems with centers. I solve centers with U2 method and it's very nice, because it's so easy to understand. But I have to use inner slices all the time so my execution time is very long. I start after memo at 4 minute and I end it probably at 8 :/ It is TOO LONG. Maybe it is better to do L Lw' instead of l' ? How do you execute with U2?

 

[kinch2002]

I agree - 4 minutes just for centers isn't ideal. Consider using comms. Move count gets halved that way

 

[Cubenovice]

I've only just started working towards 4BLD and I found that comms for centers are not that hard.
It helps a little when you already know commutators though.

Two good resources:
- Mike's write up on big cube BLD centers
- Daniel's Youtube tutorial

 

[jonlin]

This is a discussion, right?
http://en.wikipedia.org/wiki/Daniel_Tammet
I just realized Daniel Tammet would be amazing at big cubes blind if he tried, learned to cube, learned blindfold solving.

 

[Mike Hughey]

This is a discussion, right?
http://en.wikipedia.org/wiki/Daniel_Tammet
I just realized Daniel Tammet would be amazing at big cubes blind if he tried, learned to cube, learned blindfold solving.

This has already been discussed fairly heavily in other threads on this forum. I think one of the best posts about this was by Stefan here. My suspicion is that if Daniel were good enough to be decent at the cube-solving part of it, and if he were motivated, he could be fairly decent at big cubes BLD, but I suspect it would take him an awful lot of focus and years of effort to match Marcell Endrey's recent awesome 5x5x5 BLD record. I seriously doubt he has a significant innate advantage over Marcell (or even me) for big cubes BLD.

(And by the way, much congratulations to Marcell - it's an incredible achievement!)

 

[Mossar]

I've got a problem with 555 bld. Everything I do as in 444, inner edges with M2 method, but I don't know how to execute inner centers. Friend told me to use this comm:

l E l' U2 l E' l' U2 and the inversion.

But it's very hard to make setups of it to some cases. Can somebody help me and find easier way to solve it? I doesn't have to be commutators, it can be 1-piece algorithm.

 

[DrKorbin]

You can use U2 for T-centers. It is similar to U2 for X-centers (that is, centers that 4x4x4 has), but a bit more complicated because of some exceptions.

Anyway, you can use not only l E l' U2 l E' l' U2, but l U' l' E* l U l' E* (where E* = E, E' or E2), S' U' S u* S' U S u*, or even M d2 M' U2 M d2 M' U2, tons of them.

 

[bobthegiraffemonkey]

You can also adapt M2 for T-centres.