Big Cube BLD Discussion

[Sakarie]

thanks for encouraging me. but once I wanted too learn it all the video tutorials on youtube sucked. I wish I can find a good written one, print it and take it with me on the vacation of new year.

Or this one, which I think is even better, with the M-slice "stuff".. http://www.cubefreak.net/bld/m2_guide.html

 

[Zane_C]

I'm not sure how to go about distinguishing the layers on a 7x7. I know you can just count them with your fingers, how much does this slow the execution down? Should I just spend a lot of time turning it so I get used to it? so I can determine the layers by the feel. I assume I just need to get the feel of it as counting seems pretty bad.

 

[Faz]

Yeah, 7x7 shouldn't be too hard to work out slices if you've solved it enough.

 

[Mike Hughey]

I was doing 7x7x7 by feel by the end of the solve the first time I tried it. And keep in mind that my first successful solve of a 7x7x7 was done BLD.

It's really not hard - just go for it, and you'll find that you can. You might wind up counting the first few times until you do get a feel for it, but it shouldn't take long. It seems particularly easy somehow with the pillowed shape to tell what slice you're turning. Well, it does to me, anyway.

 

[Toad]

It seems particularly easy ... Well, it does to me, anyway.

That doesn't mean much when it comes to BLD though Mike...

 

[cmhardw]

I counted the 7x7x7 slices for my first couple solves. The short answer is that it slows you down. A LOT. I now just go by the feel of it. Mike's right about the pillowed shape, after you get used to it you can just tell a difference by feel between turning 2 layers and turning 3 layers. Turning 4 layers at a time I still have to go slowly to make sure I'm not accidently turning only 3, but even then it has a different feel because the middle-most layer is thicker than any other layer.

So perhaps try counting at first to make sure that you are sure about your turns, but as Mike said, you may stop counting partway through that same solve. Good luck!

 

[blakedacuber]

I was considering making some BLD tutorial videos.

Don't take that as a promise

YESS please make some for 3BLD AND atleast

 

[jaesga]

Hi, i wish someone could help me.
Does anyone have any algorithm to make a T-Perm on the 5x5 but just with the middle edges?? Like the image below... (permuting the corners in blue, and the edges in red)
Thanks!!

 

[kinch2002]

Hi, i wish someone could help me.
Does anyone have any algorithm to make a T-Perm on the 5x5 but just with the middle edges?? Like the image below... (permuting the corners in blue, and the edges in red)
Thanks!!

I can't see the image but I think I know what you mean.
Just do a T perm first. That will leave you with 2 sets of wings to switch.
Rw2 F2 U2 r2 U2 F2 Rw2 switches the UF and UB sets of wings over so rotate accordingly

 

[Zane_C]

Hi, i wish someone could help me.
Does anyone have any algorithm to make a T-Perm on the 5x5 but just with the middle edges?? Like the image below... (permuting the corners in blue, and the edges in red)
Thanks!!

If this is for parity, fair enough. The post above is what you want.
If this is so you can use Old Pochmann edges on a 5x5, perhaps you should consider M2.

 

[jaesga]

@kinch2002 thanks, thats exactly what i was looking for.
@Zane_C: I am considering moving to M2, but is hard because i used to memorize pieces instead of stickers, so first i think i am going to permute middle edges as I do in 3x3 cube.

Thanks for your responses!

 

[kinch2002]

@kinch2002 thanks, thats exactly what i was looking for.
@Zane_C: I am considering moving to M2, but is hard because i used to memorize pieces instead of stickers, so first i think i am going to permute middle edges as I do in 3x3 cube.

Thanks for your responses!

Oh I assumed you were already using M2. With M2 you can still get that parity (but only once at the end of course). It would be a bit of a nightmare doing the parity every single time for Old Pochmann, but it would work I guess.

 

[riffz]

Yea, using Old Pochmann in that manner on a 5x5 will be agonizingly slow.

 

[TMOY]

Note that such a T-perm (with any alg, not just this one) will affect unsolved centers. This should be taken into account if you solve centers after midges and/or corners.

 

[Keroma12]

I'm going to try a 5x5 soon, and so far I've decided on:
corners - old pochmann
+ centers - commutators
x centers - commutators
outer edges - commutators

For the central edges, should I do M2 or commutators? and why?

 

[aronpm]

I'm going to try a 5x5 soon, and so far I've decided on:
corners - old pochmann
+ centers - commutators
x centers - commutators
outer edges - commutators

For the central edges, should I do M2 or commutators? and why?

If you're doing x centers as comms, why not corners?

 

[MrMoney]

Yesterday I had time to try two 4BLD. Both failed. The first failed after I was doing the last 7 corners. 6 were done with comms, the last with OP. Guess I forgot my y-perm ^^ All centers were OK and all edgepairs were nicely done. So I guess it would have been my first success (had a 23min DNF 4 pieces once).

What I am struggeling with is knowing if I have overseen a cycle in edges/centers. Right now I go through the whole alphabet and see if I have a memo for all of them. This just takes alot of time and confuses me. Need to get some practise on this

 

[TMOY]

I'm going to try a 5x5 soon, and so far I've decided on:
corners - old pochmann
+ centers - commutators
x centers - commutators
outer edges - commutators

For the central edges, should I do M2 or commutators? and why?

If you're already doing (almost) everything else with comms, you can also use them for midges, they work in a similar way.

 

[Keroma12]

If you're doing x centers as comms, why not corners?

I've tried comms on corners, but I just didn't seem to be getting the hang of it. I might try again later, but for now I feel more comfortable with old pochmann.

 

[ilikecubing]

How much more memorisation does 4x4 and 5x5 BLD require than 3x3 BLD

Is it twice,thrice or even more than that? both for 4x4 BLD and 5x5 BLD