Should Rubik's brand cubes be prohibited for BLD?

[LewisJ]

What's the deal of having a different looking piece if you are blindfolded?.
If it feels differently when you touch it, that's another story.

The deal isn't different looking, it's different feeling. Most rubik's brand cubes have an indentation in the center cap that says Rubik's and it is definitely feelable if you dont have either thick stickers or tiles. A lot of other cubes have such indentations as well.

 

[Chuck]

What's the deal of having a different looking piece if you are blindfolded? If it feels differently when you touch it, that's another story.

Did you read any of the post above you?
Yes, it feels differently.

 

[hr.mohr]

The regulations are very clear on this subject. If you can distinguish a cubie/face by feel then the cube are invalid for BLD. End of discussion.

This rule actually applies to all puzzles and all events, not just BLD.

 

[oskarasbrink]

well, if rubiks brands arent allowed... and like every puzzle you buy now has tiles or logos on the centercap, kind of tough to say that they're not allowed

 

[Hyprul 9-ty2]

Yes, but in that case, everyone would either be forced to find caps without any logos, or get tiles.

And to clarify, the new A3 comes with extra caps. Not the C4Y.

 

[Zarxrax]

I think it would be reasonable to modify the rules to state that it's ok for one center piece to have some sort of logo indention on a single center cap. As long as there is a fair playing field, so anyone can choose to have that kind of center cap if they wish, then I don't see where the problem would be.

 

[Chuck]

i suggest we should make the judge aware of the puzzle that someone use for BLD, so the scramble judges test the puzzle, if the puzzle have "defect", so the scramble judge can tell the judges that stand beside the competitor that the puzzle have a mark or whatever, and be sure to look if there's any suspicious movement from the competitor =)

I guess ^ is the answer.

 

[Tim Major]

Makes me wonder if having no stickers on the white side of a white-cube would still be useable.

no, they made us sticker the white side on our white 7x7 at worlds, after the first solve...

3e) Twisty puzzles must either have coloured stickers or coloured tiles.

Wait what? Diansheng's out of the box are illegal? I don't think they are. I guess they didn't think of painted cubes at the time.

 

[mazei]

My stickers on my A2 kinda shrink wrapped itself on the center cap and made the logo 'feelable'. I guess this ain't a BLD cube anymore.

 

[Micael]

The regulations are very clear on this subject. If you can distinguish a cubie/face by feel then the cube are invalid for BLD. End of discussion.

This rule actually applies to all puzzles and all events, not just BLD.

I agreee with you. The way I understand the regulation is that such a cube is ALREADY prohibited for bld.

 

[Zane_C]

So, referring to the WCA regulations, all the stickers must be just one color, does that mean your not allowed to have a little logo on a sticker?

 

[aronpm]

@Zane_C:

3d) The colours of puzzles must be solid, the same per colour, and clearly distinct from other colours..
3l) Cube puzzles must have at most one logo. For Rubik's Cube or bigger cube puzzles the logo must be placed on one of the centre pieces.

As long as the logo is on a centre sticker (or any sticker for 2x2x2), and there are no other logos, it is fine.

 

[Zane_C]

Thank's,
well back to topic, I don't believe rubik's brand cubes should be banned for BLD

 

[Bryan]

You realize that technically, many cubes could be disqualified. Tiled Meffert's 4x4's have multiple logos. Some DIY's have slight indentations on edges....

 

[cubestack]

A lot of cubes have such markings that can be felt. By banning Rubik's brand cubes for this event, you would spark another debate on banning various other models of this puzzle. I do not think there is a need for any decent blindfold solver to have a need to feel the centers to determine anything as he would be faster without that trouble, regardless of whether the person is at 1,2 or10 mins a solve. I do not believe a ban should be imposed.

 

[Tim Reynolds]

What happens if a center cap falls out during BLD? The solver who knows which cap fell out can use that as a check for orientation, but center caps (being non-functional pieces) don't need to be replaced if they fall out.

What if someone intentionally pulls out a center cap at the beginning of the solve? It's the same effect as having a marking (like the Rubik's brand), but easier to feel, and seems to be legal.

 

[Zarxrax]

@Zane_C:

3d) The colours of puzzles must be solid, the same per colour, and clearly distinct from other colours..
3l) Cube puzzles must have at most one logo. For Rubik's Cube or bigger cube puzzles the logo must be placed on one of the centre pieces.

As long as the logo is on a centre sticker (or any sticker for 2x2x2), and there are no other logos, it is fine.

Hmm, well even if the logo is something that you can feel, it's still a logo, right? So wouldn't this mean that technically, it's ok for that sort of thing to be on 1 piece?

 

[hawkmp4]

This whole thread is frustrating.
One logo is allowed. However, whether it's a logo or not, if you can feel it and use it to distinguish one piece from another, IT'S NOT ALLOWED.
End of story.

 

[brunson]

What happens if a center cap falls out during BLD? The solver who knows which cap fell out can use that as a check for orientation, but center caps (being non-functional pieces) don't need to be replaced if they fall out.

What if someone intentionally pulls out a center cap at the beginning of the solve? It's the same effect as having a marking (like the Rubik's brand), but easier to feel, and seems to be legal.

I imagine the cube would be deemed in violation of the rules and the solve would be disqualified. If the competitor replaced the cap before proceeding with the solve, it would probably be allowed.

 

[capoboy]

I don't think it matters since when you are solving the cube, you can't see anything. Even though there's the logo on the cube, it doesn't matter. It can't show any directions since, again, you can't see the cube when it's moving.