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Questions on legal cubes for competition. I'll quote the rule, and then ask for a clarification:

"3d) Puzzles must either have coloured stickers, coloured tiles, textures or painted colours."

I have a Rubik's cube. Four of the faces have coloured stickers. Two of the faces are painted. Is it a legal puzzle?

This question asks about the meaning of "either", is it meant to be exclusive or inclusive. The authorities differ on this, for a discussion see:
http://english.stackexchange.com/questions/13889/does-either-a-or-b-preclude-both-a-and-b

The reason for this question is that some colors are available only as paint.

"3j) Puzzles must be clean and must not have any markings, elevated pieces, damages, or other differences that distinguish one piece from a similar piece."

I assume that "similar" means "having the same shape or the mirror image of that shape". In particular, I interpret this rule to allow a puzzle to be built from a mixture of black and white plastic, providing that, for example, all the corner pieces are made from the same color plastic. Thus it is legal to combine a black and white puzzle in various symmetric ways. Examples:

(a) black center pieces everything else white.
(b) black corners, everything else white.

The reason I'm asking this is that I suspect that, with such a puzzle, for some people, it will be faster to distinguish the center pieces from the edge and corner pieces.
 
Does it matter when solving? Is that why it took me so long to solve it? Is this an error that happens when it is made? why does this happen?
 
it doesnt change anything, its just easier to turn with the small section on the left. i saw a video a while ago where the average was about 22 sec and the guy flipped it to how you are holding it to solve the bottom.
 
so essentially if i leave it how it was, it will be the same? So when stickering the cube, u really have a choice of what u want to do?
 
3d) Puzzles must either have coloured stickers, coloured tiles, textures or painted colours."

I have a Rubik's cube. Four of the faces have coloured stickers. Two of the faces are painted. Is it a legal puzzle?

This question asks about the meaning of "either", is it meant to be exclusive or inclusive. The authorities differ on this, for a discussion see:
http://english.stackexchange.com/questions/13889/does-either-a-or-b-preclude-both-a-and-b

"3j) Puzzles must be clean and must not have any markings, elevated pieces, damages, or other differences that distinguish one piece from a similar piece."

I assume that "similar" means "having the same shape or the mirror image of that shape". In particular, I interpret this rule to allow a puzzle to be built from a mixture of black and white plastic, providing that, for example, all the corner pieces are made from the same color plastic. Thus it is legal to combine a black and white puzzle in various symmetric ways. Examples:

(a) black center pieces everything else white.
(b) black corners, everything else white.

The reason I'm asking this is that I suspect that, with such a puzzle, for some people, it will be faster to distinguish the center pieces from the edge and corner pieces.

Your first cube, with some painted and some stickered faces is not legal. You could tell the pieces apart by feel, allowing you to distinguish colors on the back face without seeing them.
 
What would be the OH equivalent of sub-10 3x3?

This was discussed earlier somewhere...

Hard to give more than just a baseless opinion (and thus definitely not a One Answer Question :P), but I reckon about 13-14.

Edit: Noah, I don't think WCA stats are helpful for this kind of thing, especially seeing as few people practise OH as their main event.
 
Just to make sure, if you use sharpie to make a white cube black (just the part you can see, not the inside part of the pieces) would it still be legal? I'm pretty sure it is, I just want to make sure because I just used sharpie and made my white lunhui black by coloring the surface of the outside of the cube. When you turn it 45 degrees you can see its white on the inside.
 
Could you scale it based on how many people have competed in the event?

Think about how many people have competed in 3x3 :P

I would just say the comparison would have to be based on the rough number of hours of deliberate practise it ought to take somebody to get to sub 10 on 3x3 and scale that to OH. The problem is that they're inter-related, so you can't have any kind of independent test.
 
So on a square one middle layer, it really doesnt matter if the big bar or small bar is on the right or left? it all works the same?
 
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