Fábio De'Rose
Veteran
Reasonable wear is up to delegate discretion, but any significantly distinguishable differences between similar pieces is not up to delegate discretion. A piece being made differently than other pieces does not qualify as wear, so it shouldn't be up to the delegate on this one. Chain or not, the puzzle isn't legal.
3j) Puzzles must be clean, and must not have any markings, elevated pieces, damage, or other differences that significantly distinguish any piece from a similar piece. Exception: a logo (see Regulation 3l).
- 3j1) Puzzles are permitted to have reasonable wear, at the discretion of the WCA Delegate.
Fair enough, but my point is exactly that significantly distinguishable is the key in this debate. I have a Yuxin Keychain cube, whose different piece (ie: the one with holes for the ring) I can barely feel if the cube is scrambled and shuffled within my hands.
Only if I were to look specifically for it, and by trial and error, is that I could tell which it was. And this, I believe, does not nor would not provide any significant advantage whatsoever to the competitor.
While I do not in any way disagree with your points, and while I also understand the blanket nature of the regulations, it is also my understanding that the event of someone using such a cube to compete is so rare, it would indeed qualify for a dispute with the delegate in order to allow an exception - whether this would open ground for future disputes and possibly be used as means of attempting abuse of regulations, I don't know. But honestly the mere possibility of such a thing happening is what I believe would be grounds for a delegate to not allow the puzzle.