Questions tagged [rubiks-cube]

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

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4
votes
1answer
160 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
vote
1answer
86 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 ...
2
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0answers
49 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 ...
0
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2answers
45 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
75 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 ...
1
vote
0answers
59 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?
2
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1answer
90 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 ...
11
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2answers
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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0answers
128 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 ...
2
votes
1answer
69 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 ...
3
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2answers
91 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
111 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
311 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
votes
1answer
142 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 ...
4
votes
3answers
326 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 ...
0
votes
1answer
127 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 ...
13
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2answers
422 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 ...
2
votes
1answer
133 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
votes
1answer
352 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
votes
1answer
135 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 ...
1
vote
1answer
225 views

What order should I learn CFOP in?

I have been solving the 3x3 using the beginners method for about 2 and a half months and I was wondering what order I should learn CFOP in. I was thinking of learning advanced f2l first and then oll ...
1
vote
1answer
126 views

Misaligned Cube: How to fix? [duplicate]

There must have been an accidental turning of corners. Now, I do not know how to turn corners, so that the cube is solvable again. The red and blue edges are the only misaligned pieces.
0
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0answers
76 views

Can this Rubik's cube be solved? [duplicate]

All sides of the Rubik's cube are solved, except the corners. And these corners need to be swapped.
1
vote
1answer
678 views

How to swap adjacent corners?

I want to swap adjacent corners of U layer, the only thing I care is: position of other 6 corners. I don't care: orientation of all corners position of all edges orientation of all edges The goal ...
6
votes
1answer
115 views

Rubik's Scramble Search

Find a scramble which will produce a Rubik's cube fulfilling the following criteria which uses as few turns of faces as possible (Half-Turn-Metric): Each of the six faces show exactly three colours ...
1
vote
1answer
142 views

Help to solve rubik cube 3*3*3

How to solve my rubik? Which pattern left?
3
votes
1answer
275 views

Rubiks Cube 4x4x4 Top Layer Issue - One Edge Pair Flipped

I have trouble with that edge. Please give algorithm or images for solutions for turning it up so that I can form a cross.
6
votes
1answer
238 views

$4\times4\times4$ Rubiks cube Top Layer Issue

The only way i am able to solve is to jumble the whole cube again. If you know the way to solve pls give images or algorithm.
2
votes
2answers
456 views

What's the most efficient method to scramble Rubik's Cube to consider it as sufficiently scrambled?

I am enthusiast of rubik's cube but recently I got a question and I thought more opinions would help to settle this discussion in my head. So I scramble the cube, just random twists multiple times and ...
5
votes
1answer
317 views

What kind of parity is this? (5x5)

I was just solving my 5x5 cube as always, but at the end I got this configuration and haven't found anything regarding this kind of parity. I am pretty sure all squares are correctly placed and no ...
0
votes
1answer
161 views

I don’t know how to solve the last pieces

So, I almost finished a rubik’s cube, but the last 3 pieces are not in their places (green on red face, blue on green face, and red on blue face). Apart from these, the other faces are done. How can ...
-2
votes
1answer
1k views

One corner piece orientation problem - Rubik's Cube [duplicate]

! I have been trying to solve Rubik's cube using beginner's method provided here: https://ruwix.com/the-rubiks-cube/how-to-solve-the-rubiks-cube-beginners-method/ I ended up with just one last ...
1
vote
2answers
188 views

Rubik's cube corners backwards?

After long time i took the rubik's cube and wanted to solve it, but i feel like there is something wrong with the corners. Hope that you smart peapole over there can tell me what's going on.
1
vote
1answer
130 views

Rubik's cube invalid state? Yellow cross starts with odd number of edges

In solving a Rubik's cube, I've been following the standard beginner instructions. I'm now trying to get the "yellow cross" step done (on the blue side, because I started with solving green), but I ...
1
vote
1answer
156 views

Identifying this cube

I have a MoYu cube that goes quite well, but I am unsure what model it is. I have looked everywhere, but to no avail. Pictures for the cube and its insides have been provided. Thanks in advance! (...
3
votes
3answers
1k views

2×2×2 rubik's cube corner is twisted!

Is there a way to solve it? If so how?! I have tried remixing it over and over but I haven't solved it yet :/
1
vote
2answers
187 views

I am stuck with the situation as given in the image

I am stuck as below image. Can this be solved ?
2
votes
1answer
214 views

Blindfold Rubik's Cube

While solving blindfold, I'm facing this rather icky situation where a cycle of edge or corner pieces end with an inverted piece. For example, if I start a cycle with B (White and Red) and it ends ...
7
votes
1answer
177 views

Unsolving a Rubik's Cube

A few days ago I picked up a solved Rubik's Cube that I had abandoned due to forgetting how to solve it, and started turning the faces to make nice patterns. A few minutes later, I'd made one - each ...
0
votes
0answers
69 views

How to Move two Horizontaly opposite edges on Rubik's Cube [duplicate]

I solved my 3x3 Rubik's cube, but then saw that two pieces were flipped and needed to be moved to the other pieces' spot. I have looked for solutions ,but they all are only about different spots. I ...
-2
votes
1answer
2k views

What is th GAN 356 X VIP card for? [closed]

I have looked all over the internet but can not find answer to my question. Can someone please help me?!
3
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1answer
3k views

How can I switch 2 yellow corners that are on the same face from a 3x3 cube?

How can I switch there two corners?
0
votes
0answers
62 views

A Rubik cube question [duplicate]

I have seen professionals solving Rubik cube they are very fast. I can also solve the cube but I take 1 minute . How to solve it in minimum time is there any algorithm or just practice. Tell me some ...
8
votes
1answer
698 views

Flags in all faces in rubik cubes

Anyone knows if it is possible to obtain a diferent country flag in all six faces of the Rubik Cube? Thanks
0
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1answer
197 views

What is “God's Number” for Specific CFOP Algorithms on the 3X3 Rubik's Cube?

CFOP: What is God's Number for PLL and OLL Algorithms? I have been "speedcubing" on and off for 5-6 years now using CFOP and throughout my experience have come across many different algorithms for ...
12
votes
1answer
927 views

Can you make a Rubik's Cube pattern with a 4 color flower on every side?

I enjoy putting my cubes into aesthetically interesting patterns (using legal moves, of course). I'm trying to make a pattern where each side has exactly 4 different colors in the following ...
2
votes
2answers
77 views

My Moyu Aolong V2 speed cube feels wrong after lubricating

I just used some off-brand, hardware store silicone aerosol and let it sit for 15-20 minutes. Now, it turns very quickly, but the force needed to turn exceeds the force needed to turn it 45 degrees, ...
1
vote
2answers
3k views

How would I flip an edge piece in a 3x3 without messing anything up except for flipping that one piece?

I am new to picture cubes and I want to know how to flip an edge piece on a picture cube 3x3 without messing anything else up. Like here from this: To this:
2
votes
2answers
132 views

Is there a good method to solve this kind of Rubik's cubes?

In the office's kitchen we have a 3x3x3 Rubik's cube that is, well, unusual: instead of simple colours on the faces, there are pictures. While solving the rest of the cube is no different from ...
0
votes
0answers
199 views

Best strategy for Multiple Blindfolded 3x3 Rubik's Cube event (WCA)

The MBLD event is quite hard on the technique and the memory , testing the 3x3 Blindfolded method. The cube placement strategy as discussed by few officials stand at : Cube Placement The other ...