M2 flipped edges and breaking into new cycles

[KConny]

Thank you, I've been looking for a way to do this. But the fire/ice thing didn't work for me. And a was thinking of making like a quarantine in every journey where I'd put flipped edges and corners. But this will work fine for both corners and edges. I can even combine it, and have one person from edges and an action from corners.

 

[malcolm]

What I've been doing now is just switching to freestyle edges whenever there is a flipped M edge, mostly it takes <12 moves and you solve two edges.

 

[hdskull]

Okay, so let's say I finish this 5 cycle, and the DF piece gets solved. How would I go on from there ?

 

[masterofthebass]

Just pick a new edge that's part of a new cycle and start with that. Let's say another cycle on the cube is UR->DR->DB.... you would just shoot the DF piece to UR and continue on the cycle.

 

[malcolm]

What I do is do the cycle from DF using M2, and the rest using freestyle, much faster for me because you have to use two extra algs every time you break into a new cycle with M2

 

[martijn_cube]

i'm trying to learn M2(edges)+pouchmann(corners)
and i'm just trying to solve the corners and edges wile looking. just one piece at the time. solving the pieces works good, and breaking into a new cycle isn't very hard. but i'm doing something wrong. and i think it has to do with the parity fixing part. but i've finisched the cube now, but the centers of the M slice need a M2 to be in the right position. is there an algorithm for or do i need to use a parity fix somewhere sooner in the solve?

 

[hdskull]

Just pick a new edge that's part of a new cycle and start with that. Let's say another cycle on the cube is UR->DR->DB.... you would just shoot the DF piece to UR and continue on the cycle.

Oh!!!! I get it, THANKS! lol.

 

[blah]

Sorry for bumping into an old thread but this is the closest thread I found to what I wanted to ask.

I've read the entire thread, but I don't think I saw anyone conclude whether flipping the bad M edges with longer algorithms, or flipping them at the end is better. So which is better?

This is how I see it: If you flip them on the spot, it reduces confusion and you can just forget about that piece forever, so you can focus your mind on thinking ahead. If you don't, you save moves because you flip everything (including non-M slice bad edges) in the end with one MU algorithm. Are these all the pros and cons there are?

And are there any other 'long' algorithms to flip these M edges on the spot other than Erik's and Lucas'? (so far these are the only two I found, I don't think Stefan Pochmann provided any on his page.) And is there a common consensus as to which of them are best? Or can I have any recommendations by anyone? Thanks.

 

[Mike Hughey]

I don't like either option (flipping at the end or using a longer algorithm to solve on the spot), so I took the third option: solving on the spot with a SHORTER algorithm. Whenever I have any of the 3 bad stickers in a pair of pieces (I memorize in pairs), I use commutators, like Chris Hardwick or Daniel Beyer would. The optimal commutators for doing pairs with just these 3 edges in them is much smaller than the set for solving the entire cube, so they're more manageable than solving the whole thing with commutators, and most of them are very similar and therefore easy to see once you know a few of them. And they're generally fewer moves than solving them with M2 leaving them flipped! (There are a few exceptions, but those are rare.) It takes a while to get good at those commutators, but I found that to be less of a chore than dealing with the problems of the other two methods.

But I guess I'm not very fast, so maybe you shouldn't listen to me.

 

[Stefan]

Which is better depends. I'm actually switching to solving them immediately with longer algs. Because right now I need/want simple. Later I might use "improvements" again.

My alg for BU: (U R' U' l U' R U) M2 (U' R' U l' U R U')
My alg for FU: (F' R U') x (U' l L' U2' r' R U') x' (U R' F)

I made up the FU one just now and don't have a good one for BD yet.

 

[Swordsman Kirby]

Er, FU: D [M',U R2 U'] D' M2
(BD is just the inverse)

 

[Stefan]

Yeah, I might end up using those. Or this one:
L2 l' U l' U L U' r R' U L' U' r' l R U' l'
I get about 2.5 seconds for all of these.

 

[Stefan]

Ok I'll use yours for FU. I can do my first one slightly faster but the execution is not as relaxed. My second one ... well, I timed six consecutive execuutions of these algs because that returns the cube to solved state, and with my second alg I had huge trouble getting it right six times in a row.

For BD I'll use M2 B' [U' R' U, M'] B. I think it's slightly slower than the inverse of your alg, but it's different. I fear using both your alg and its inverse could confuse my hands/unconscious.

 

[Lucas Garron]

Er, FU: D [M',U R2 U'] D' M2
(BD is just the inverse)

Who came up with that alg?

Stefan: Feel free to do it your way, it's interesting. But the reason I made this (and inverse) instead of using Erik's is because they both feel like you're shooting DR, so it's half-familiar.