Questions tagged [rubiks-cube]

For questions about the Rubik's Cube and its variations.

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1answer
42 views

Algorithm for swapping all cube edges or corners cyclically (PLL)

What's the algorithm for this PLL case? In order words how can I swap the edges (or corners) in a cyclical way (like A or U perm, but with all edges or corners)?
12
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1answer
1k views

Rubik's Cube Photo Review

Recently, I saw this motivational picture (Clicky to embiggen): (source) Since I found the message somewhat confusing, I searched Google for more similar images. Can you tell what do all these ...
3
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3answers
6k views

Rubik's cube: rotate 2 opposite corners

Is there an faster algorithm to rotate 2 opposite corners? I can't find anything else but doing the sexy move multiple times.
4
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2answers
62 views

Oriented Rubiks Cube 4x4 re-arrange center pieces

There are a lot solutions for oriented 3x3. They rotate all center pieces. I'm trying to solve oriented 4x4 with GabbasSoft Cube Demo. Luckily blue and green ...
2
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2answers
795 views

Rubik's cube: Last edge problems (beginners method)

When solving the Rubik's cube using the beginners method, the last step which solves the last layer edges only requires 1 step of the algorithm if one face is already completed. My problem is that ...
7
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1answer
158 views

A rubik's cube that fights back

After the incidents of Skyfall, 007 remembered a quote Q had said when he was accessing Silva's Omega site : It's like solving a Rubiks cube that's fighting back. 007, intrigued by this statement, ...
7
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4answers
60k views

Simple 4x4x4 OLL parity algs?

I am learning to solve a 4x4x4 Rubik's cube and I think that the beginner OLL parity alg: (r U2 x r U2 r' U2 l U2 r' U2 r U2 r' U2 r') is a little too complex. ...
8
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2answers
17k views

How to Flip Adjacent Edges like this

Only these two edges are misplaced. Any algorithm to solve this?
5
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4answers
589 views

One corner rotated in 4x4x4

I know that in a 3x3x3 this should never happen (unsolvable state), but is the same true in a 4x4x4? (the rest of the cube is solved) The following answer seems to say that everything about the ...
-2
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1answer
1k views

One Edge Piece Faced The Wrong Way

What is the minimum number of turns needed to solve a rubik's cube with one edge piece faced the wrong way on the 3rd layer? Example
0
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0answers
81 views

Rubik cube - the second cross [duplicate]

I don't know what I should do. My cube has some inverted faces (it is the Japanese format).
4
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1answer
961 views

How to “pop one out” on a Rubik's Cube?

I am trying to follow this tutorial for solving a Rubik's Cube: https://ruwix.com/the-rubiks-cube/how-to-solve-the-rubiks-cube-beginners-method/. Step two says, among other things: If the white ...
2
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1answer
144 views

Do stickerless cubes provide speedsolvers with an advantage?

In July 2015 the World Cube Association changed their regulations to allow the use of stickerless puzzles in speed solving. I'm curious whether or not that event changed the sport somehow. Are some ...
8
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2answers
2k views

Is there a Rubik's scramble generator for the top layer only?

I want to practice solving the last layer, but the online scramblers I've seen are full cube only. Is there a Rubik's scramble generator for the top layer only?
14
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1answer
545 views

Rubik's cube's face into date

Solve this Rubik's cube's face into date For puzzle masters who can not see pictures / color blind ...
5
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2answers
6k views

Best cubing algorithm to learn after beginner's

I'm a new fan of cubing. I've recently bought a speed cube and for now I have only mastered the beginner's method and solve it in barely a minute and a half (which is way over what a speedcuber is ...
0
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0answers
255 views

How do I solve the first phase (corners) of the gear cube when only one corner is out of place?

I learnt that there are three phases involved in solving a gear cube, the first being the corners. In EVERY video I watched, when they get two of a layer's corners to match, the other two are ...
17
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1answer
393 views

On The Subject of Rubik's Cube

(This is part of a series of puzzles written for Timwi for a Secret Santa puzzle exchange, themed around various custom modules for the game Keep Talking and Nobody Explodes. No KTaNE knowledge is ...
3
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1answer
408 views

Where can I buy a 4x4 Ghost Cube?

I have the standard 3x3 Ghost Cube, and I would like to get more sizes. On this page on ruwix.com there is an image for 2x2 through 7x7 Ghost Cubes, but I can't figure out where I can buy them. Does ...
5
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2answers
176 views

Multiple solutions for Rubik's cube?

I got a novelty cube at as swag at a convention once; it was like a normal cube, but with slogans written on the squares of the cube. If you solved the cube, you could read the slogan. This got me ...
3
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1answer
105 views

Reapply *some* stickers on scrambled cube

I have this weird cube which have some pieces printed on the plastic and some are detachable. The cube was scrambled not solved and it fell on the floor being cheap cube almost all detachable faces ...
2
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2answers
108 views

Rubik's cube from solved to specific pattern

Say I don't want to solve Rubik's cube but I want the reverse: I'm having a solved Rubik's cube (all stickers in it's right position and orientation) and I want to go from this state to a specific ...
2
votes
1answer
119 views

Looking for an old Rubiks cube algorithm

I learnt rubiks cube before the YouTube days from a blog. I do not find the algorithm anymore online but it is something like White cross White corners (except one) Second layer corners (except one) ...
1
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1answer
97 views

Bad white face after white cross in rubik's cube

I have observed while making white face after white cross, if one of the white corner which is faced such that it's white face is towards the white cross, but the corner is corner is in wrong position,...
3
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1answer
164 views

Can I swap two “yellow” corners on the same side?

The bottom two layers are solved, and the cross has been formed on the bottom layer. I am putting the corners in, ready to orientate them correctly, but I have two corners which need swapping. (The ...
5
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1answer
231 views

Brute-force solver for Gear Octahedron - flawed method?

I am working on a program to brute-force a LanLan Gear Octahedron I bought second-hand (and scrambled). I have no background in "cubing" and just fancied solving the problem. The structure comprises ...
1
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1answer
53 views

Flip edge in Equator layer but there is yellow in every edge in top layer

A way to solve this is to replace the flipped edge by a random block , but in my case all random block have yellow color, so if I swap than yellow will come in middle layer, which should not come ...
12
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9answers
78k views

Flip edge in Equator layer

If you use the Beginners' Method to solve the Rubik's cube, and solve the equator layer (the layer between the U-layer and D-layer), it can happen that one of the edges is flipped, like this: ...
4
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1answer
386 views

IPG v5 or Numerical IPG, What's The Difference? (GAN356X)

So I recently bought the GAN356X IPG v5 (stickerless) off of Amazon. When I went to the Gan website, there were two options for GAN356X: IPG v5 and Numerical IPG. On the Gan website it doesn't really ...
3
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4answers
497 views

Rubik's cube with no squares of same color nearby

It's easy to 'scramble' a Rubik's cube so no squares of the same color are touching each other. The moves U2 D2 R2 L2 F2 B2 accomplish that. A side with no squares of the same color nearby requires ...
1
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1answer
99 views

Randomly solving a rubik’s cube with only one face given

Given only one face of the rubik's cube, is there any way to form the other faces randomly so we end up with valid solvable configuration? Let’s suppose that I have an input which is only one face of ...
-1
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1answer
2k views

How to solve Rubik's Cube using mathematical formulas? [closed]

I am trying to solve Rubik's Cube, but it took one month for me when I started. Are there any mathematical formulas, rules and tips for solving Rubik's Cube in less time (i.e. minutes)?
3
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0answers
152 views

What are the specific algorithms Feliks Zemdegs uses to solve a 3x3x3 Rubik's cube?

I apologise if this is not the right site to post this kind of question, but out of all SE sites this one yielded the most question concerning specific cubing algorithms (namely this, this, this, this ...
22
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9answers
19k views

Is it possible to scramble a Rubik's cube such that no two squares of the same color are touching?

My friend always insists on scrambling my Rubik's cube "perfectly" before giving it to me to solve. According to his definition, a "perfect" scramble must have no three of the same color touching (...
2
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1answer
105 views

How to get the final corners of a 4x4x4 in the correct position

I'm trying to solve a 4x4x4 rubiks cube. I've finished the middle and side pieces so I can solve it like a 3x3x3 but I'm stuck on the penultimate step - positioning the final corners. The instructions ...
14
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4answers
1k views

How to determine if a Rubik's Cube is sufficiently scrambled?

Once I solve a Rubik's Cube I obviously want to start again. I just scramble it until it seems to be enough; however, sometimes when I then solve it, I can skip entire steps from the beginner's method....
1
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0answers
64 views

Twisted rubiks cube [duplicate]

I have a rubiks cube with two wrong corners. How should I twist it back to get the right orientation?
11
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1answer
2k views

Worst way to solve Rubik's in one algorithm

If you apply the same algorithm over and over again the cube will be solved. I want to know what algorithm is the worst one (the one with the longest cycle) I have found RU (cycle of 60 times) I have ...
2
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1answer
81 views

Rubiks 3x3 Cube Solution - an old method to relearn (3 corner rotation)

I am trying to relearn a method for solving the 3x3 Rubik’s cube that I was taught many years ago by a departed relative – it is for this reason that I want to relearn this method, eventhough it is ...
1
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1answer
6k views

Is twisting a corner of a Rubik's cube a valid move?

I believe the question is self-explanatory but I'm asking the question in different contexts. I understand that it makes the 3x3x3 unsolvable if you twist a single corner but there are cases where it ...
3
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2answers
107 views

Rubik's adjacent corners exchange

I want to make the pattern as shown in the images I get stuck at the last with two adjacent corners to be interchanged. How do I do this ?
0
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1answer
213 views

How to flip top row center pieces on a 4x4x4 Rubik's cube? [duplicate]

I'm trying to solve a 4x4x4 Rubik's cube by first reducing it to 3x3x3 and I'm stuck in the end. I've completed all sides, matched all corners, but two pieces remain and I can't figure out how to flip ...
15
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2answers
329 views

Peeled Rubik's Cube

Help! A [toddler / pet / washing machine] has peeled some of the stickers off my old off-brand Rubik's Cube. Can you still solve it and show me the result?
2
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1answer
182 views

5x5 Rubiks Cube edge algorithm

I'm following the tutorial on Ruwix, and either they're making a mistake or I am. When solving the edges they give the image: This is my first attempt at a 5x5 and this step confused me for a long ...
6
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3answers
29k views

Solving Rubik's cube with one algorithm [duplicate]

I was wondering if it's possible to solve a Rubik's cube just iterating a single algorithm. It doesn't matter how complex the algorithm is (as long as it is less than 1 million moves), nor the time ...
13
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2answers
425 views

Minimum effort to detect a solved Rubik's Cube

When writing a program to permute a Rubik's Cube and then subsequently detect whether it is solved or not, what is the absolute minimum amount of programmatic effort required to determine if the cube ...
0
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1answer
177 views

Rubiks cube 2 look PLL - name of this algorithm?

I'm currently learning 2-look PLL and came across this pdf with some algorithms: https://www.cubeskills.com/uploads/pdf/tutorials/4-look-last-layer.pdf I went through and gave names to the algorithms ...
2
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1answer
146 views

How to solve this Rubix cube? [duplicate]

Help!!!! Is this rubix configuration solvable? These are the only two pieces in the wrong place. If the answer is no, what pieces do I need to reconfig to make the cube solvable? Note that my kid ...
8
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1answer
411 views

Cube Scrambling

Take a normal 3x3 rubiks cube (the Classic unmodded cube). I know the WCA method for scrambling is to pick a random (valid) cube state and calculate a sequence of moves to go from solved to that state,...
3
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1answer
143 views

Rubik's Cube: Does going from one arbitrary configuration to another have same God's Number as solving it?

Assuming two different (valid) configurations for a Rubik's Cube - A and B - does going from A to B directly have the same complexity as solving the cube? Considering solving a cube can be done in 20 ...

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