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 Post subject: New k4x4x4 Video
PostPosted: Sun Apr 01, 2007 4:37 pm 
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Some people requested a new video of how I perform this method these days.

Here ya go;

http://youtube.com/watch?v=b6SnTGjreNg
1:05.06

The basic method is essencially the same, but there are some optimizations made for speed. (Eg, no rotation during placing edges)

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PostPosted: Sun Apr 01, 2007 5:11 pm 
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Very nice Thom. I see you restickered your cube too :wink:.


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PostPosted: Sun Apr 01, 2007 5:17 pm 
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that was an impressive last layer, I wish mine was as fast as yours too. Mostly I get F3L in about 43-50 sec, but the last layer kills me...

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PostPosted: Sun Apr 01, 2007 8:34 pm 
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OK, here is Speedy asking another really really stupid question...

I am interested in learning a new method for 4x4, mostly to be different, but also because I believe that the 4x4 could be done very quickly using something other then CE3 methods.

My stupid question is, what is the difference between the cage method and the k4 method? I know cage is like first layer, middle edges, last layer then centers.

So how does the K4 work? If it is easier/faster then the cage, I might be interested in learning :D


sorry for the stupid question, but it just had to be asked sooner or later! Especially since I'm getting faster at CE3, which would make me less likely to want to switch over...

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 Post subject:
PostPosted: Sun Apr 01, 2007 8:57 pm 
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Simplified;

White + Yellow centres
Do some of the first layer
Other centres
Finish first layer
F3L
LL

The main difference between mine and cage is that I do the centres at a different part. If I do them at that point, I don't have to solve the centres with commutators, and instead, I can use a semi-standard method of solving them. (By like I mean similar to CE3).

watermelon wrote:
Very nice Thom. I see you restickered your cube too :wink:.


Yeah, eastsheen stickers were just falling off. I also lubed again it in the same session. My eastsheen is smooth :)

Erik wrote:
that was an impressive last layer, I wish mine was as fast as yours too. Mostly I get F3L in about 43-50 sec, but the last layer kills me...


What's your F3L method? Mine sucks, maybe we can help each other out? :)

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 Post subject:
PostPosted: Mon Apr 02, 2007 1:44 am 
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What are you doing for the 1x3x4 block and the F3L sections? I can't understand what you're doing from the video...

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 Post subject:
PostPosted: Mon Apr 02, 2007 2:18 am 
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I'm new to the 4x and I'm trying out your method. Normally I do the centers - pair edges - 3x solve method. I'm a little slow because for 3x I only know LBL (yes, I'm lame but I am working on Petrus right now).

With the limited knowledge of piece movement that I have I managed to get to the F3L step and now I'm stuck. All 8 corners are in place and I cannot for the life of me figure out how to get the edges where you want without messing the corners up.

I've tried moving them out of the way to pair the edge piece and then bringing it back into place but that either ejects the newely placed edge piece or sends a D corner into the top layer. I'm confused...

I do want to say though that I really like this method so far. It's a different approach and I like it because unlike my prior cubing history I am actually figuring out some stuff on my own :D


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 Post subject:
PostPosted: Mon Apr 02, 2007 3:44 am 
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I'd do:
opposite centers
fix 3 edges
fix centers
pair up the last edge + one of the middle layer edges (this can't be done always)
Do a partial F2L with at least 1 edge.
This was you only have to 'pure' insert about 3 pieces.
Fix corners in 1 alg (I don't know all yet)
Then mess around with some commutators with which I'm slow, I often end with things like 2 unsolved edges only, realy irritating. If my last edges were faster I maybe would switch from method...

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 Post subject:
PostPosted: Mon Apr 02, 2007 5:54 am 
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My LL edges aren't optimal but I use a series of 5 cycles and 3 cycles to solve them.
I always shoot to Br or Bl using:
r U r' U2 r U r' with inverse and mirror and also a double.
I use this to solve Br Bl Fr and Fl.
I then solve the last two edge pairs with a 3cycle:
(r U2 r' U r U r')(l' U2 l U' l' U' l), again using the inverse/mirror.

I then fix the parity if needed.

I can't remember exactly how long it takes me.

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 Post subject:
PostPosted: Mon Apr 02, 2007 11:38 am 
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My last layer technique is thus;

Corners (1 alg)
Two adjacent edges (1-2 algs)
Final edges + parity (1 or 2 algs, depending on parity)

I deviate from this a lot for shortcuts, but it's generally what I do.

I solve two adjacent edges first because it's faster to solve the last two pairs if they're next to each other.

I was thinking of learning some algs for a 3-look last layer.

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 Post subject:
PostPosted: Tue Apr 03, 2007 8:36 am 
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Erik wrote:
that was an impressive last layer, I wish mine was as fast as yours too.

Exactly what I was thinking. I'm probably twice that slow... Very nice, Thom!

Erik wrote:
Mostly I get F3L in about 43-50 sec, but the last layer kills me...

That's really fast, I average around a minute. My method (at the moment, it's still evolving):
1. 1x3x4-block
2. Opposite 1x3x4-block
3. D-center
4. Finish F3L


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 Post subject:
PostPosted: Tue Apr 03, 2007 2:56 pm 
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Thom wrote:
I solve two adjacent edges first because it's faster to solve the last two pairs if they're next to each other.

Care to explain further?(farther?)

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 Post subject:
PostPosted: Tue Apr 03, 2007 2:58 pm 
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I've gotten thinking (uh oh...), and what if you tried making like a super petrus method for the 4x4? Like, build a block in one corner, and just keep extending it until you have F3L done. On a 4x4 you would have a lot of room to work and move pieces around, but I haven't gotten around to trying this yet, so I'm not sure how well it would work.

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 Post subject:
PostPosted: Tue Apr 03, 2007 4:20 pm 
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Unless it's just me, it's a bit tricky to do, doesn't seem optimal for speed.

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 Post subject:
PostPosted: Wed Apr 04, 2007 3:04 pm 
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Not unless you could learn different tricks for it. The idea seems valid, if there were a fast way to throw things together... I'm going to give it a whirl now, I'll let you know how it goes...

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 Post subject:
PostPosted: Wed Apr 04, 2007 3:19 pm 
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Ok, I solved using this blockish method until I got to the LL, which I cannot solve on my own :(

I first build a 3x3x3 block, I did this by building 3 centers, then pairing up some edges I need, paired those edges with corners, and solved the 3x3x3 block.

I extended it by building another center, which left two slots to fill using a K4/Cage styled "insert piece by piece" approach.

So here I am with the LL... This method might have some promise to it, depending on how fast you can get the 3x3x3 block done, it seems to consume the most time.

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