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It seems almost impossible that he could achieve his skill with 2-3 hours per day of practice 'after school.' I cannot possibly believe that Xuanyi Geng mastered ZB at age 7-8 with 2-3h/day of practice, and Tymon (if I'm not mistaken) says he practices for 8 hours per day at least, which seems...

Sorry to be critical but your method is not intuitive at all, where do the commutator algorithms even come from? If this was obvious then everyone in the 1980's would have done it. The only way to solve a 2x2 intuitively without any algorithms that I know is the same method we all used in the...

Probably best to follow all the advice from the good CFOP solvers in this thread, but it is also possible that your brain isn't wired to solve F2L, like me. Solving in the 1980's corners first, that's how my brain is wired, and while corners first isn't going to win a world class competition, I...

Technically speaking if your recognition is near instant and your algo recall is perfect, then yes, the more algorithms you know, the faster you will solve, that is why Tymon had to learn 800 ZBLL/ZBLS to improve even a fraction of a second, why would he bother to learn those if it wasn't going...

OLLCP can orient 4 edges but you have 5 edges to orient and if you use L5EP that does not orient any edges. So how do you orient the 5th edge?

This still does not explain how you have five edges remaining but the OLLCP algorithm can only orient four edges, not five. How do you orient the F2L zipper slot edge? Or are you doing L5E as orient & permute in 1 step?

OLLCP has 331 algorithms, my understanding is they account for either 0, 2 or 4 oriented edges. But with Zipper, the zipper slot edge can now have 2 orientations, so the LL could have 0, 1, 2, 3, or 4 oriented edges. It seems the new algorithm count is thus 5/3 * 331 = 551, and that still...

Nice video, although one comment is untrue, when Stu says every world record ever set was set with CFOP until Xuanyi used ZB. Minh Thai's 22 second WR was set with corners first, and Marc Waterman's 16-second world record was set with Waterman, although there was no formal cubing association...

Yeah, envy these kids with caution; starting just after birth, their entire (growing) brain is basically a cube-solving-computer, which may very well make them VERY POOR at other skills/tasks in life. So when it is time for them to move on from cubing to other things, they may not do so well.

I have had many LMCF solves in the 24-29 move range. The lowest speedsolve move count I know of is LukasCubes 19-move Waterman solve (3.99s) but many people doubt the reality of it.

Wow sorry I literally quit watching seconds before they gave him the 1980 cube. I am nowhere close to Yiheng speed but at least I can say that I can easily beat him on a 1980 cube!

Give him an original 1981 Rubik's brand cube and let's see how he does on a cube that cannot be finger tricked....

It is generally agreed the biggest drawback with Roux is the CMLL recognition time, which is worsened if you check the edge case to use a secondary algorithm to avoid a 6-flip in L6E. While of course good lookahead can reduce that recognition time, it is still an issue. Theoretically EODFDB in...

Hundreds of cubers know ZBLL, since 2016. I was not arguing that, I was arguing about how many know full ZBLS and actually use it. Even if a cuber does know full ZBLS they will use every attempt at edge control to prevent themselves from having to use a ZBLS algorithm on the last slot...

So it sounds like there are maybe 4 or 5 cubers who know and use ZBLS. Considering that are 50 people that are truly top cubers, it still holds true that *almost* no top cuber actually uses full ZBLS even if they know full ZBLL.

According to the wiki (which I say is wrong), ZB / ZBLS use 302 algorithms to orient edges while solving the last slot. I can say with fairly high certainty that none of the top solvers know those 302 algorithms and if they fail to get enough edges oriented by the last slot they will just use...

I have been on here since 2016 and I don't think the wiki accurately reflects the nomenclature in common use. For one, the actual method CFOP-ZB solvers use isn't even listed on the wiki for either ZB or ZBLS so what they use is neither of those. They solve F2L pairs while observing edge...

Just to correct the original post, I don't think ZB is any sort of top method, people use CFOP with edge control during F2L to force a ZBLL case. That is CFOP with ZBLL, not ZB. ZB would involve orienting edges right at the start and then doing ZZ-F2L. I don't think any top solver does that...

There is a different way to go about it. A 30-second solver and a 10-second solver go to a competition together. Both are nervous. The 30-second solver gets a 31.50 average due to his nerves. Worse than his 30-second global average. The 10-second solver gets an 11-second average due to his...

My longest standing PB is a 3'54" on the original Rubik's Revenge from 1987. That cube BTW was almost impossible to turn, you can't even get 1 TPS no matter what you do.