The thread has been updated.
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Also I call upon all interested BLDers to discuss the idea about relays table again. I think we should make a list of BLD accomplishments like solving other puzzles blindfolded, or BLD relays, and display this list in a separate table above other tables. What do you think?
I have an idea for the ranking (if there would be interest by others for these lists at all):
A 5x5 would count 1.0, a 6x6 2.0, a 7x7 3.0, a 8x8 4.0, a 4x4 0.5, a 3x3 0.2, a 2x2 0.1 (and the megaminx 2.0).
A complete solved relay 2-5 (notification: 2,3,4,5) would count 0.1+0.2+0.5+1.0=1.8
I remember a 2-7 of Mike Hughey with a DNFd 6x6 (notification 2,3,4,5,-6,7): 0.1+0.2+0.5+1.0-2.0+3.0=2.8
Multiblind would also be possible:
I got a 2/2 with the 5x5 (notification 5,5), that counts 1.0+1.0=2.0
For the list, only results >1.5 points should be allowed, maybe an exeption rule for multiblind 3/3 4x4 - and I think, a minimum of two >=4x4-cubes should be involved.
Advantage of this system: relays and multiblind could be in one list, even a relay 2,2,2,2,3,3,3,4,4 would be possible. If points are the same, the better time would count. OK, the points for the different cubes can't be fair in every comparison, but I think, that isn't that important.
For other puzzles I don't know: I agree with bryson azzopard, that they are not that difficult (OK, there are some like the square-1, which is nearly impossible to solve), but clock, skewb, pyraminx? I made a relay of them in less then 20 minutes and that was not very fast.