RUbar method: self-solving moveset reduction for 3x3

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  • Опубликовано: 17 ноя 2024

Комментарии • 192

  • @tcholly
    @tcholly Год назад +14

    16:58 "because I can see the future" is the best explanation ever

  • @Lussimio
    @Lussimio Год назад +9

    This is so intuitive; not 'ruining' anything you created before

  • @LiamHighducheck
    @LiamHighducheck Год назад +74

    Very interesting
    Love to see the concept of move set reduction taken to the extreme. Also any CP first method is automatically a flex

    • @regulus2033
      @regulus2033 Год назад +2

      Did you understand how to do the CP? I'm wondering is there an easy way to do it as I've watched a video from the description about it and haven't understood it at all.

    • @ugwuanyicollins6136
      @ugwuanyicollins6136 11 месяцев назад

      @@regulus2033 Yruru Tutorial by cuberstache

    • @ugwuanyicollins6136
      @ugwuanyicollins6136 11 месяцев назад

      @@regulus2033 ruclips.net/video/r2VGi8H0KxY/видео.htmlsi=vi9BoCScLhIF1T0p

    • @umarmohd3511
      @umarmohd3511 10 месяцев назад

      @@regulus2033 solve like 2x2 but don't care about corner orientation (except for the 2 ur using for cp line) or edges then use or to solve cp line

  • @bmenrigh
    @bmenrigh Год назад +15

    Any twisty puzzle video that strays into the group theory gets a big like from me!

  • @ifatreefalse
    @ifatreefalse Год назад +5

    the first half making bandages into a heavy RU section is pretty much why i always loved petrus. i'm not sure this is any more efficient or learnable, but it's definitely more structured by an overall top-down goal, which could help new solvers. i like it!

  • @batlin
    @batlin Год назад +7

    19:30 that state transition graph rocks.

  • @recklessroges
    @recklessroges Год назад +5

    Thank you. This reminds me of the excitement I had when I first learned the Lars Petrus method.

  • @antiprime4665
    @antiprime4665 2 года назад +30

    Very interesting
    I made a method very similar to rubar called GEMM. It stands for generator minus minus and each step in the method reduces the cube into a state that can be reached by a generator of 0.5-1 less degree than the last state until you are eventually left with an only r2 and u state. It some different steps than rubar but some were actually the same. I had to write a program to make all the algs for it.
    I'm currently working on a new method called hypershift which uses some of the most advanced commutators in any cubing method so far. I'm also working on a program to find the optimal interchanges and swaps for every size commutator right now. Maybe I'll make a video on it when it's done like you did.

    • @jonnyhughes1689
      @jonnyhughes1689 2 года назад +1

      this sounds so neat! i subscribed for when you make that video :D

    • @antiprime4665
      @antiprime4665 2 года назад +4

      @@jonnyhughes1689 thanks lol, I actually spent 8 hours working on it yesterday, went through over a thousand cases checking if they were valid cube states and made the program to find the optimal solutions for them, I'll definitely upload it some time this month along with a spreadsheet. It sounds like a lot but the method actually can be fully intuitive if you want, it will just be slightly less efficient

    • @dankz6958
      @dankz6958 Год назад

      @@antiprime4665 Upload soon?

    • @antiprime4665
      @antiprime4665 Год назад +5

      @@dankz6958 I'm going to soon, just finished programming an intro animation and I'm working on the spreadsheet for the first method, I have 3 unique methods finished so far

    • @WillFaustCuber
      @WillFaustCuber Год назад +2

      @@antiprime4665update?

  • @papasmurfcubes2616
    @papasmurfcubes2616 2 года назад +38

    Very interesting
    Good video!
    A few thoughts:
    1. CPFB is just a better way to do CPLine+CPFB
    2. When you solve the 2x2x3, you have 4 1x1x3 bars - DL, EL, DM and EM (imagine this one being 2 centres and the core).
    3. It's probably useful to have many different ways to reach the COBelt step (such as the way I showed you, or many others) if you wanna do it for speed. I wonder how many cases full would be. In an otherwise very algorithm independent method, it could be the place to beef it up a bit.
    4. The final step is just making a 1x2x3 on either R or U, then on R and U, then a 1x2x3 and a 1x3x3, then solving. So you're still building blocks all the way to the end.
    5. The optimisations are cool.
    Overall, 10/10 method and whoever taught you 2GR is really cool.

  • @bazartv2.031
    @bazartv2.031 7 месяцев назад +4

    "I invented a new method, it has starts off with a 3x2x1 block expanding to a 3x2x2 block and then you orient the edges..." Petrus solvers be like: "BRUH"

  • @sandpiperbf9767
    @sandpiperbf9767 Год назад +1

    This is really cool and seems like it has potential for optimizing petrus or APB

  • @kijetesantakalu
    @kijetesantakalu 7 месяцев назад

    This is SO COOL. I mainly use Roux, and just learned HTA (which I also find really interesting), but I need to learn this now. Thanks!

    • @saturnb2127
      @saturnb2127 5 месяцев назад +1

      jan pi toki pona li lon, wawa a

  • @by_sKeep
    @by_sKeep Год назад +3

    I would like to see a web site or document put together on this.
    I usually do FMC, but I see tremendous potential.

  • @rubixtheslime
    @rubixtheslime Год назад +4

    Very interesting
    i remember theorizing this sort of method several years ago, though never quite figured out all the steps. and, my method of recognizing CP was not very good (but i did at least discover CP first and find a way to recognize it all on my own, so that's something). i instead decided to work on the 2x2 equivalent, reducing FRU -> RU -> R2U -> R2U2 -> solved. it was kinda neat because even though it's a 4 step 2x2 method, each of the steps generally end up taking very few moves. and... i've actually used it in competition! however, i'm terrible at documenting things and forgot some of the details, and of course there's not a lot of interest and excitement to be had in a 2x2 method. so honestly, seeing this video and that there's a much better way of recognizing CP gives me so much relief about not feeling obligated to document anything anymore (unless someone really wanted my 2x2 method lol).

  • @preethamrn
    @preethamrn Год назад +1

    Very interesting
    I should try a solve like this sometime

  • @buriedpet
    @buriedpet Год назад +1

    This is freaking fascinating, thanks!

  • @bagastian3125
    @bagastian3125 2 года назад +3

    Very interesting
    Guys, pls continue this chain XD

    • @crystalcuber
      @crystalcuber  2 года назад +4

      please break the chain

    • @regulus2033
      @regulus2033 Год назад

      @@crystalcuber Please tell how to swap 2 corners at 5 step

  • @ruroruro
    @ruroruro Год назад

    Very interesting
    Why is everyone formatting their comments like this?

  • @Gladiator6
    @Gladiator6 Год назад +3

    Very interesting
    1. Introduction A. Have you wondered how to do the Rubiks ? B. How many times have you pick up a cube and said damn it wish I could complete the hold thing and not just on side or finish without sticker peeling. C. In time of boredom or just a mind opener its nice to baffle your continuesly with speed trials, always trying to beat the time before. D. Within this informative speech I hope to open your eyes to the least complicated puzzle that was developed in the late 70’s early 80’s E. 1. Today I will give you a brief history on the cube. 2, Then I will explain what a algorithms and what an algorithm is 3. Finally I will demonstrate the putting together this masterpiece call…show more content…
    • A letter with and apostophe after it means to turn that face counterclockwise 90 degrees. • A letter with a 2 after it means to turn that face 180 degrees.
    To decide whether to turn clockwise or counterclockwise, pretend that you are looking at the face you are turning. In the algorithms, the core of the cube should not be turned.
    Now that I have covered the basic history of the inventor and what an algorithm and the terms I will cover the simplest way to complete this puzzle. C. The basic strategy in solving the cube is to solve it in layers. Try and visualize the cube as a 3x3 building, you have to complete each level before moving on. There's the foundation, the first level, second level, third level, and roof or top. There are three types of cubes on the Rubik's cube, one with one color, one with two colors, and one with three colors, which are known as the center, the edges, and the corners. Knowing these names is necessary in following the different moves and patterns. When having the cube directly facing you, the side facing you is known as the front face. The side facing away from you is the back

  • @secretgogeta
    @secretgogeta Год назад +2

    Very interesting...
    I'm just keeping the tradition 😅

  • @sk1ller_604
    @sk1ller_604 3 месяца назад +1

    Very interesting indeed 🤔

  • @ovi1326
    @ovi1326 Год назад +2

    I did a couple of solves and I gotta say your method is very fun! The vertical bar thing confuses me tho and I resort to using commutators/plls for now.

  • @MeDoMeer
    @MeDoMeer Год назад +6

    Very interesting
    It has some stuff that is very useful in FMC, but because of the bandaging it makes it a lot less useful for FMC. The things you learn from this, though, are amazing for FMC

  • @borone8573
    @borone8573 Год назад

    Now, this is how I am spending my day off.

  • @regulus2033
    @regulus2033 Год назад +5

    Hello! I'm trying to solve my cube using the method but I'm stuck at step 5. I made 2 pairs, and I did the corner-fixing alg, but not BOTH pairs are in R2 away from expanding into bars, but EITHER first pair is a bar, OR another, that is, I always have one of these two pairs as a bar and another one as not a bar. How to fix this?

    • @regulus2033
      @regulus2033 Год назад

      I've just scrambled the cube and gave it another try, but now the two corners are at the same diagonal, so one of pairs can be extended to a bar but another can't.

    • @regulus2033
      @regulus2033 Год назад

      I've tried to make different two pairs, and I managed to make so that they are both R2 away from bars. But there is another problem: I got an ADJACENT CORNER SWAP FOR LAST 2 CORNERS.

    • @KuKa00
      @KuKa00 Год назад

      I had the same problem, I just think it's explained very badly in the video, and not just that step, this tutorial is full of holes :(

    • @ChongFrisbee
      @ChongFrisbee Год назад

      Also there. Just want to point out that this position is equivalent to an N perm. I'm not the memorize algs guy, so I don't know if there is a way to solve N perms with only R2 and U moves, but I think probably not

    • @regulus2033
      @regulus2033 Год назад +2

      @@ChongFrisbee I've got an answer, that at step 1 I should not only make a line, but also permute corners such that they can be solved with only RU moves. There is a link to a video in the description about how to do it but I didn't understand it at all. For me solving corners as 2x2 is easier to understand than what is described in that video.

  • @Drewski777
    @Drewski777 Год назад

    Very interesting
    Very interesting
    Very. Interesting.
    Indeed!

  • @bradleygallella498
    @bradleygallella498 Год назад +1

    This is beautiful

  • @bohdanpost8328
    @bohdanpost8328 2 года назад +2

    Very interesting
    I don’t want to ruin the tradition

  • @ur_local_goomba
    @ur_local_goomba 2 года назад +2

    very interesting
    Good thumbnail!

  • @whilliamblamet187
    @whilliamblamet187 Год назад

    Very interesting
    I don’t understand a thing I just started trying to solve my first cube a week ago 😢

  • @DavidvanDeijk
    @DavidvanDeijk Год назад

    Very fun, will try at least the intuitive steps

  • @thatonedynamitecuber
    @thatonedynamitecuber Год назад +1

    Very interesting
    I would love to see any other types of methods that are similar to this. Maybe branch it out into like an entire subset of methods it seems?

  • @ianmoore5502
    @ianmoore5502 9 месяцев назад

    Very interesting
    Very interesting indeed

  • @cartermarrero9431
    @cartermarrero9431 3 месяца назад

    Where can I find the algorithms for step 4?

    • @crystalcuber
      @crystalcuber  3 месяца назад

      See description for link to the algs, for step 4 it's the CO tab of the spreadsheet

  • @MonLafeto
    @MonLafeto 3 месяца назад

    Instructions unclear, i keep getting Jperms

  • @Otakutaru
    @Otakutaru Год назад

    I'm missing something, because I'm not able to get into 5bar, some edges cannot be rotated with only R and U

    • @mattevans1643
      @mattevans1643 6 месяцев назад

      I found the same issue. Got 5 bar, and ended up with an h-perm which cannot be solved with R2U2

    • @ugwuanyicollins6136
      @ugwuanyicollins6136 3 месяца назад

      ​@@mattevans1643 Learn CPline

  • @guillaumesylenix
    @guillaumesylenix Год назад

    Very interesting, I gave it a try but can't find a way to adjacent corner swap

    • @regulus2033
      @regulus2033 Год назад +1

      The same bro, the tutorial seems to be unfinished as not all the situations have been covered.

    • @Lino-ty5hv
      @Lino-ty5hv Год назад +2

      You shouldn’t need a corner swap if you did the first step correctly; he doesn’t explain how to solve CP first in the video because it would probably double the video’s length, but he does say that it’s needed and you should look at the links in the description.

    • @regulus2033
      @regulus2033 Год назад

      @@Lino-ty5hv well I've watched the video in the description and I haven't seen one certain strategy how to do it simply. For me it's more understandable and quick to just solve corners as 2x2.

  • @talinuva
    @talinuva Год назад +2

    Somewhat reminiscent of a (almost certainly very bad) method I found where you solve and bandage a full corner (which would restrict to U,F, and R), then solve and bandage two adjacent one deep corners, then solve the top cross, at which point (F R' F' R F R' F' R F R' F' R), (F R' F' R F R' F' R F R' F' R), (U F' U' F U F' U' F U F' U' F), and U are all that are necessary to solve.

  • @ottercuber
    @ottercuber 2 года назад +1

    Very interesting

  • @vintageswiss9096
    @vintageswiss9096 Год назад

    Very interesting...
    Still faster than Petrus...

  • @Blendershick
    @Blendershick Год назад

    Very interesting!

  • @JustFootballEditz111
    @JustFootballEditz111 Год назад

    Very interesting
    Why is everyone saying very interesting 😅😭

  • @positivity3311
    @positivity3311 Год назад +2

    so you are turning the cube in a way so that a different, shorter devil's alg can work? interesting

  • @j.dot555
    @j.dot555 Год назад

    Very interesting
    Its just interesting

  • @yannpresley
    @yannpresley Год назад +4

    Because I will not maintain ssl certificate on the PPW website, so the https of PPW website will not work.
    On the information under this video, you can edit to change the https to http of PPW method url.
    Thanks a lot.

    • @crystalcuber
      @crystalcuber  Год назад +1

      Updated! Thanks for letting me know

    • @regulus2033
      @regulus2033 Год назад

      @@crystalcuber Update the video, it doesn't tell how to do an adjacent corner swap at step 5.

    • @crystalcuber
      @crystalcuber  Год назад

      @@regulus2033 hi Ivan
      there should be no corner swaps at step 5, step 1 swaps the corners so they are solvable with R and U moves
      i didn't teach step 1 in the video, you can find resources to learn in the description
      im considering making a video about it

    • @Draconis_Eltanin
      @Draconis_Eltanin Год назад

      @@crystalcuber I would love an in depth video on step: I find the resurce in the description very hard to understand

  • @sierpinskibrot
    @sierpinskibrot Год назад

    Veldig interessant!

    • @bimpa1568
      @bimpa1568 Год назад

      Väldigt intressant!

  • @henkmeijers4437
    @henkmeijers4437 Год назад +1

    I think I managed to make a javascript program that does the steps up to the right equator bar, and then solve it. All steps Brute force. But I worry if the corners (and edges) have to be kept "oriented" all the time. The solutions are pretty short i.m.o.

  • @JohnSmith-tr9us
    @JohnSmith-tr9us Год назад

    Very.... cool.

  • @cariyaputta
    @cariyaputta 8 месяцев назад

    Thanks.

  • @noided7071
    @noided7071 Год назад

    or you could just use petrus

  • @animalsilvestre
    @animalsilvestre Год назад +1

    Interesante

  • @planktonfun1
    @planktonfun1 Год назад

    I want a method that you don't have to memorize anything

    • @davidcassidy602
      @davidcassidy602 Год назад +1

      That method is called bogo-alg. It works like this:
      1) make a random move
      2) if the cube is now solved, you’re done! Otherwise, repeat step 1.

    • @planktonfun1
      @planktonfun1 Год назад +2

      @@davidcassidy602 you still have to memorize that 2 step

    • @obansrinathan
      @obansrinathan Год назад

      ⁠@@planktonfun1if that's too much you can use the yes man BOGO solve. Make a move(or if you want any chance of success a bunch of random moves, then put it down without looking and say it's solved.

  • @lythd
    @lythd Год назад

    very interesting
    (everyones sYing this lmao)

  • @FrankieTheSkink
    @FrankieTheSkink Год назад

    i made a cool method, for mine you reduce it to a 1x1

  • @ThePenguinMan
    @ThePenguinMan 10 месяцев назад

    update: it’s been about an hour (gosh diddly darn) and I finally did step 2 yayyyyyyyyyyyyyyyyyyy (it only took me learning about commutators before realizing I ain’t understanding that and then realizing wait I couldn’t use commutators and oh wait I could’ve just used the adjacent edge swap algorithm from 2 step pll and I wasted an hour of my life that I’m never getting back)
    I’m currently trying this, I’m not even good at cubing I have a rubiks brand cube, barely know f2l and 2 step oll and pll, and I want to fuckin die, DO YOU KNOW HOW LONG IT TOOK TO SOLVE THE CORNERS? JUST TO REALIZE OH SHI I CANT SOLVE RHE EDGE THEN HAVING TO RESCRAMBLE JUST TO SOLVE IT AGAIN AND NOW I HAVE TO DO STEP 2????? BY PURE LUCK I MANAGED TO SOMEHOW GET ONE EDGE RHERE BUT NOW I CANT GET THE OTHER ONE THERE WITHOUT SCREWING THE POO POO UP AND IM ABOUT TO HIT THE WTC (in game) I HAVE THIRTEEN ASSIGNMENTS DUE RN AND IM WASTING MY TIME DOING THIS STUPID CUBING STUFF WHILE DEBATING WHETHER I SHOULD PUT MY CUBE IN RHE OVEN OR CHIMNEY AND IM DEBATING WHETHER I SHOULD PUT A PIPE BOMB INSIDE OF IT TOO
    tl;dr I have a skill issue

    • @ThePenguinMan
      @ThePenguinMan 10 месяцев назад

      ohhhhhhhhhhhh I’m an IDIOT I WASTEDR AN HOUR CAUSE I DIDNT REALIZE HE MEANT ONKY THE BANDAGED PART NOT PERMUTE ALL RHE CORNERS IN RHE ENTIRE CUBE AND KEEPING THEM THERE

    • @ThePenguinMan
      @ThePenguinMan 10 месяцев назад

      welp at least I finished step 3

  • @cubealgs101
    @cubealgs101 2 года назад +2

    Very interesting
    late sorry

    • @rujon288
      @rujon288 Год назад

      learned this yet?

    • @cubealgs101
      @cubealgs101 Год назад

      @@rujon288 nope, focusing on zipper lol

    • @ugwuanyicollins6136
      @ugwuanyicollins6136 11 месяцев назад +2

      @@cubealgs101 and the future he learnt
      APB and has memorised 555algs
      And has the APB WR.
      For it is written in the book of shokolokoban osha, the oracle has spoken

    • @cubealgs101
      @cubealgs101 11 месяцев назад

      @@ugwuanyicollins6136 haha possibly, i don't use apb anymore tho

    • @ugwuanyicollins6136
      @ugwuanyicollins6136 11 месяцев назад

      @@cubealgs101 why

  • @cla2008
    @cla2008 Год назад +2

    why do you call out that this requires only 8 algs, when in reality its a lot harder? apart from that - really interesting :)

  • @jangamecuber
    @jangamecuber Год назад

    Intriguing

  • @7177YT
    @7177YT Год назад

    Subscriiibed!❤

  • @tylerkuhn9931
    @tylerkuhn9931 Год назад

    999th like

  • @Saiba_Arumugam
    @Saiba_Arumugam 2 года назад

    Nice

  • @_cablewastaken
    @_cablewastaken Год назад

    so very iterateding

  • @henriqueborba8035
    @henriqueborba8035 Год назад +2

    Imagine rubar on 4x4

    • @crystalcuber
      @crystalcuber  Год назад

      omg yes!!
      ive tried inventing it for 4x4 and 5x5 and i have almost all the steps
      im stuck at to reduction, i can't find a way to solve a bunch of properties at once without disrupting any of them in the process...

  • @positivity3311
    @positivity3311 Год назад

    mans making a group thoery video over here

  • @cubing_song
    @cubing_song Год назад

    amazing mathod. i'll try it

  • @RayRoux
    @RayRoux 2 года назад +1

    Very interesting

  • @entrayer
    @entrayer Год назад

    Very interesting!

  • @superdupersir7054
    @superdupersir7054 2 года назад +1

    Very interesting

  • @effperm
    @effperm 2 года назад +1

    Very interesting

  • @rujon288
    @rujon288 2 года назад +1

    Very interesting

  • @ennxui
    @ennxui 2 года назад +1

    Very interesting

  • @scike8240
    @scike8240 2 года назад +2

    Very interesting

  • @anja.k4
    @anja.k4 2 года назад +2

    Very interesting

  • @RowanFortier
    @RowanFortier 2 года назад +135

    Very interesting

  • @Luna77543
    @Luna77543 2 года назад +1

    Very interesting

  • @idratherbecubing
    @idratherbecubing 2 года назад +1

    Very interesting

  • @jan10329
    @jan10329 2 года назад +2

    Very interesting

  • @minhkhanhdo1414
    @minhkhanhdo1414 2 года назад +1

    Very interesting

  • @florinkampfer3679
    @florinkampfer3679 2 года назад +1

    Very interesting

  • @picuber
    @picuber 2 года назад +1

    Very interesting

  • @janewan1196
    @janewan1196 2 года назад +1

    Very interesting

  • @Invuska
    @Invuska 2 года назад +1

    Very interesting

  • @jonnyhughes1689
    @jonnyhughes1689 2 года назад +1

    Very interesting

    • @jonnyhughes1689
      @jonnyhughes1689 2 года назад

      Question: I very well might be missing something, but I keep ending up having to do a U-Perm after trying to get go from finishing the CO-Belt to 5bar. I don't see any place where Edge Permutation occurs, so it doesn't end up as 5 bars, its 5 bars with messed up EP. Is there something special in how you do the CO-Belt which addresses this? as I didn't quite follow your step 4, so I just built the belt and did CO as I know how to? I have got it to 5 bar a few times, but I think this is just lucky attempts where the EP just worked out.

    • @effperm
      @effperm 2 года назад +2

      maybe its because you didnt solve the vertical 1x3 bar before fully extending the two horizontal bars? 20:32

    • @regulus2033
      @regulus2033 Год назад

      @@effperm there's another problem at "5 bars" step. Adjacent corner swap. And there is no explanation how to deal with it in the video.

    • @ugwuanyicollins6136
      @ugwuanyicollins6136 11 месяцев назад

      @@regulus2033 has you done CP 🤨

  • @anotherrandomkid6028
    @anotherrandomkid6028 2 года назад +1

    Very interesting

  • @danialshah1405
    @danialshah1405 2 года назад +1

    Very interesting

  • @DaBannyGaming
    @DaBannyGaming 2 года назад +1

    Very interesting

  • @xTofux
    @xTofux 2 года назад +2

    Very interesting

  • @heavysaur149
    @heavysaur149 2 года назад +2

    Very interesting

  • @fdhcuber576
    @fdhcuber576 2 года назад +2

    Very interesting

  • @KevinKubing
    @KevinKubing 2 года назад +2

    Very interesting

  • @guttermonkk
    @guttermonkk 2 года назад +3

    Very interesting

  • @86s8a
    @86s8a 2 года назад

    Very interesting

  • @Santyboy007
    @Santyboy007 2 года назад

    Very interesting

  • @ugwuanyicollins6136
    @ugwuanyicollins6136 2 года назад +3

    Very interesting

  • @lukasblazek4890
    @lukasblazek4890 2 года назад +4

    Very interesting

  • @goutgueule9197
    @goutgueule9197 2 года назад

    Very interesting

  • @1it3ra11y
    @1it3ra11y 2 года назад

    Very interesting

  • @rebeccaMal
    @rebeccaMal 2 года назад

    Very interesting

  • @jrad8094
    @jrad8094 2 года назад

    Very interesting

  • @yannpresley
    @yannpresley 2 года назад +1

    Very interesting