[Help Thread] FMC Discussion

[porkynator]

Does anyone have any versions of an H or Z perm that i can use in FMC?

For H:
[F2 M2 F2, U] = F2 R2 L2 B2 D B2 R2 L2 F2 U'
and
R' L' U2 R L F B U2 F' B'

 

[qaz]

I found an interesting start for the weekly competition scramble but couldn't find a good continuation...

Spoiler

B2 R B2 L2 F2 R F2 R' D2 L' B' D' L2 F' L U F2 U R' U2

(F' B L B') // 2x2x2
(D' R' D' F' R L D' L' *) //2x2x3 + pair
R' D2 R // all but 6 pieces

I did find this
* [L D' B': B R D R' D' B' D] // setup to FRURUF
giving the solution
R' D2 R L D' B' D' B D R D' R' D2 L' R' F D R D B L' B' F
... but it leaves 2 twisted corners. Not very useful, but I'm still interested if anyone else can find a good finish from this skeleton?

 

[Cale S]

I found an interesting start for the weekly competition scramble but couldn't find a good continuation...

Spoiler

B2 R B2 L2 F2 R F2 R' D2 L' B' D' L2 F' L U F2 U R' U2

(F' B L B') // 2x2x2
(D' R' D' F' R L D' L' *) //2x2x3 + pair
R' D2 R // all but 6 pieces

I did find this
* [L D' B': B R D R' D' B' D] // setup to FRURUF
giving the solution
R' D2 R L D' B' D' B D R D' R' D2 L' R' F D R D B L' B' F
... but it leaves 2 twisted corners. Not very useful, but I'm still interested if anyone else can find a good finish from this skeleton?

You could insert D' R D R' B' D' B D2 at that point to leave 3 edges

then
R' D2 R D2 B' D B R D' R' D L D L' R' F D R D B @ L' B' F
@ = [B' R' B, M2]

for 30

 

[YouCubing]

26???? really really stupid scramble but yeah that's pb

U' R' L B U D2 R U F D2 F2 D2 F' U2 B R2 B2 D2 L2 D'

Spoiler

D' U2 R U'
L' D' F R' D R
F' L F L' F' L' F'
B L B D' B' D L' B' L

 

[BQ]

I got 24.33 mean in China Championship 2017 and tied WR.

Scramble 1: R' U' F L2 U2 B2 F' U2 B2 F2 L2 D2 U2 R' B' F' R' D B2 L R' F U' R' U' F

Spoiler

222: U L U R F2
pseudo 233: L' U' B' L R' U R U
L4C: U' L' F' L F U L2

Skeleton: U L U R F2 L' U' B' L R' U L' R * F' L F U L2 #
*: R' F' L F R F' L' F (-8)
#: L' F2 L B L' F2 L B' (-1)

Solution: U L U R F2 L' U' B' L R' U L' F' L F R U L F2 L B L' F2 L B' (25)

Scramble 2: R' U' F L2 B2 D2 L2 D' L2 U L2 R2 D' B' F2 L F L2 U2 B' F' L U' R' U' F

Spoiler

122: U2 L'
223: F' U L' U2 D' R' D U2
L3E3C: U L2 U' F L' F2 L'

Skeleton: U2 L' # F' U L' U2 D' R' D U' L2 U' * F L' F2 L'
*: U D' L D L' U' D F D' F'
#: L' F' R2 F L F' R2 F

Solution: U2 L2 F' R2 F L F' R2 U L' U2 D' R' D U' L2 D' L D L' U' D F D' L' F2 L' (27)

Another solution (28): U2 L' F' U L' U2 D' R' D U' L2 U' F L' F2 * L'
*: U' R' F' R F U #
#: U L D L' U' L D' L'

Scramble 3: R' U' F L' R2 U2 F2 L D2 U2 L U' L' F' D2 U' F2 L2 U2 F D2 F2 R' U' F

Spoiler

This was a really lucky solution.

223: R D' B R L' F2 R' U2 L2
233: R F' U F U' F2 R F'
OLL: F R D R' D' F'
PLL: R

Solution: R D' B R L' F2 R' U2 L2 R F' U F U' F2 R2 D R' D' F' R (21)

 

[porkynator]

I'm trying to find my way in the jungle of edge 3-cycles. I know many different types (ignoring setup moves):

• The 4STM/6HTM case: [M', U2]
• Classic 8STM/10HTM cases, such as [M', U R U']
• Also classic 8STM/12HTM cases such as [M' U M, D]
  
• The mysterious 8-movers: R2 Fw2 R2 Uw R2 Fw2 R2 Uw (where Uw might as well be just U)
• Magic <R,U> spam, some of which explained in This Post that I am reading in this moment
• Magic <M,U> spam such as (M' U M U)*2, not very useful in FMC
• Crazy stuff like U L D R F R' D' L' U' F'

Has there been any effort to classify them all? Is there at least any partial classification o some explanation for the wierd cases like the last one?

I am asking in this thread because my interest in this arises from FMC, but I can make a new topic if pople are interested.

 

[Cale S]

I'm trying to find my way in the jungle of edge 3-cycles. I know many different types (ignoring setup moves):

• The 4STM/6HTM case: [M', U2]
• Classic 8STM/10HTM cases, such as [M', U R U']
• Also classic 8STM/12HTM cases such as [M' U M, D]
  
• The mysterious 8-movers: R2 Fw2 R2 Uw R2 Fw2 R2 Uw (where Uw might as well be just U)
• Magic <R,U> spam, some of which explained in This Post that I am reading in this moment
• Magic <M,U> spam such as (M' U M U)*2, not very useful in FMC
• Crazy stuff like U L D R F R' D' L' U' F'

Has there been any effort to classify them all? Is there at least any partial classification o some explanation for the wierd cases like the last one?

I am asking in this thread because my interest in this arises from FMC, but I can make a new topic if pople are interested.

[R U R', S] looks like a standard 10 mover but it works differently

 

[porkynator]

[R U R', S] looks like a standard 10 mover but it works differently

Nice! Seeing it as [Lw F Lw', S] reminds me of Niklas for corners.

 

[hagner]

Would it be legal to use cubes with letter on the center of each side or do i have to make these letters during the attempt, and if so can i cut the stickers before the start of the attempt?

If i have to do the letters during the attempt ill use the first minute to place these stickers on the centers

I sometimes get confused on which face im turning so i got this idea. I havent tried doing this yet but i will if it is legal and i need to know when these letters can be on the centers.

 

[T1_M0]

Would it be legal to use cubes with letter on the center of each side or do i have to make these letters during the attempt, and if so can i cut the stickers before the start of the attempt?

If i have to do the letters during the attempt ill use the first minute to place these stickers on the centers

I sometimes get confused on which face im turning so i got this idea. I havent tried doing this yet but i will if it is legal and i need to know when these letters can be on the centers.

You can have stickers pre-written and cut when starting the attempt. I guess no rule denies having the stickers on the cube too. So I think it's completely legal, fix me if I'm wrong.

Also, just practice for a few attempts and you'll learn the faces fast.

 

[Laura O]

You can have stickers pre-written and cut when starting the attempt. I guess no rule denies having the stickers on the cube too. So I think it's completely legal, fix me if I'm wrong.

For FMC the same regulations as for any other event apply. Relevant here:
E3b) Rubik's Cubes (at most 3, self-supplied), as described in Article 3.
3d) Puzzles must have colored parts, which define the color scheme of the puzzle and must be one and only one of the following: colored stickers, colored tiles, colored plastic, or painted/printed colors. All colored parts of a puzzle must be made of a similar material.
3l) A puzzle may have a logo on a colored part. If it does, it must have at most one colored part with a logo.

Having the stickers on the cube makes them logos and having more than one logo on the cube is not allowed.

 

[T1_M0]

For FMC the same regulations as for any other event apply. Relevant here:
E3b) Rubik's Cubes (at most 3, self-supplied), as described in Article 3.
3d) Puzzles must have colored parts, which define the color scheme of the puzzle and must be one and only one of the following: colored stickers, colored tiles, colored plastic, or painted/printed colors. All colored parts of a puzzle must be made of a similar material.
3l) A puzzle may have a logo on a colored part. If it does, it must have at most one colored part with a logo.

Having the stickers on the cube makes them logos and having more than one logo on the cube is not allowed.

Why does it differ from insertion stickers? Doesn't E3c allow them?

 

[porkynator]

You can have stickers pre-written and cut when starting the attempt. I guess no rule denies having the stickers on the cube too. So I think it's completely legal, fix me if I'm wrong.

Also, just practice for a few attempts and you'll learn the faces fast.

I'm not sure your stickers can be pre-written. Can I take a 6x10 set of stickers and pre-write them with F, R, U, R', U', ... ? This way stickes may effectively work as an algorithm list.

 

[Laura O]

Why does it differ from insertion stickers? Doesn't E3c allow them?

You are allowed to use the stickers during the attempt:
E3) The competitor may use the following objects during the attempt. [..]

So your cubes must not have any markings at the beginning of the attempt.

I'm not sure your stickers can be pre-written. Can I take a 6x10 set of stickers and pre-write them with F, R, U, R', U', ... ? This way stickes may effectively work as an algorithm list.

Pre-written stickers are fine as that doesn't change the purpose of the stickers. Using them as cheat sheet clearly changes this purpose and it would be an attempt to cheat.

 

[Bubtore]

Last scramble of US Nationals :

S // R' U' F D2 F' L2 D2 F2 D2 U2 B' U2 B' U' R D' B' L U' F D R2 D U2 R' U' F

Spoiler

I // F' U R U2 D' R2 D' F' U L' B D R' U B U2 B U2 D2 F2 D2 L2 F D2 F' U R

(U L' B F2 L D') // 223
(L2 B' U B + L2) // EO + PF2L-1
(U2 L) // 2E5C

+ B' U' L' U2 B' U' B U' L U B L'

Skel // L' U2 L' B' U' L' * U B' U B U2 L B L2 D L' F2 B' L U' - 20
* B' D' B U B' D B U'

Solution // L' U2 L' B' U' L' B' D' B U B' D U B U2 L B L2 D L' F2 B' L U' - 24 Moves

I also found a 25 quite early :

Spoiler

(U L' B F2 U L D') // 223
L' F U' F' // EO
L U2 L2 U // 3E3C

Skel // L' * F U' F' + L U2 L2 U D L' U' F2 B' L U' - 20
+ F' U' L U L' F
* L2 F R' F' L2 F R F'

Solution // L F R' F' L2 F R U' F2 U' L U L' F L U2 L2 U D L' U' F2 B' L U' - 25 Moves

 

[Neuro]

I got a 26 move solution on the example solve thread, but I think it could be better with a proper insertion (still not very familiar with them unfortunately) so let me know what you find and any tips

L2 B' F' D2 L2 F U2 L2 U2 B F' U' F' R' B D' F U B2 U2 F'

D2 F D U' F' D2 B' D B' D' L' D F2//AB4C2E
D2 F' D' F U D' B' L2 B U' F2 D F2//Solved

 

[Theo Leinad]

Scramble:
R' U' F R2 D2 B2 L2 D2 F2 R F2 R' U2 B R' F D2 F D' B R2 D R' U' F

Note: This is my PB so far (35)

Spoiler

R2 F' R' U2 R U2 (2x2x2) x6
F2 D F' R F' R' F' R' F' R F R F' (2x2x3+insertion) x 13
R2 D' R2 (F2L-1) x3
D' R (pair) x2
D F' R F R' (F2L) x5
B D R D' R' B' (OLL/skip) x6
TOTAL 35

And After I checked the 9 mover comm:

Spoiler

R2 F' R' U2 R U2 (2x2x2) x6
F2 D' R [F B'] D2 [F' B] R D2 F (2x2x3) x 11 (insertion)
R2 D' R2 (F2L-1) x3
D' R (pair) x2
D F' R F R' (F2L) x5
B D R D' R' B' (OLL/skip) x6
TOTAL 33

If I wrote something wrong, please correct me

 

[Cale S]

27.33 mean all with skeletons that were 3 edges and some corners

Spoiler

1.) U2 R' U2 R' F2 L D2 B2 D2 L' U2 B R U B2 F D' U B2 U

F' D' B2 L' B // EO
R' U // pseudo 2x2x2 + square
(D' L) L2 // 2x2x3
R' U2 R U // 3e4c

F' D' B2 L' B R' U L2 ^ R' U2 R U L' D
^ = [U B2 U', R] // woaj block comm to L3C

F' D' B2 L' B R' U L2 U B2 U' R U B2 U' @ R2 U2 R U L' D
@ = [U R2 U', L']

Solution: F' D' B2 L' B R' U L2 U B2 U' R U B2 R2 U' L' U R2 U' L R2 U2 R U L' D (27)

2.) B U2 L2 U2 B2 R2 F' R2 D2 B2 F L' B' F R2 D' B2 D2 R' D' U

(F R' B D2 L U' R2) R2 // 2x2x3 - corner
R' D2 R F' D2 // 3e5c

R D2 R @ F' D2 R2 U L' D2 ^ B' R F'
^ = L' D % L' D' L2
@ = [R F' R', B']
% = [D', L U2 L']

Solution: R D2 R2 F' R' B' R F R' B F' D2 R2 U L' D2 U2 L' D L U2 L2 D' L2 B' R F' (27)

3.) U2 B2 D2 B R2 D2 B' R2 F2 R2 D2 U R' F D' U R F2 D2 R
(F' B D L2 F' B R' B' R') // xxcross
F' R' F R F // 3e3c

F' R' F R F R B R ^ B' F L2 D' B' F
^ = [M, F' R2 F]

F' R' F R F R B L' R2 U' R2 U R' @ L F' R2 F2 B' L2 D' F B'
@ = [R F R', B2]

Solution: F' R' F R F R B L' R2 U' R2 U F R' B2 R F' R' B2 L F' R2 F2 B' L2 D' F B' (28)

 

[porkynator]

Today's failed attempt:
DNF in 1hr
27 no time limit (meh)
Couldn't find optimal ending to a beautiful start, even though I was very close.
Scramble (ongoing german forum comp): R' U' F U2 F2 L2 D' B2 F2 D' L R' D F' U' R' B' R2 F D U' B' R' U' F

Spoiler

Premove: D' (found at the end to make lots of pairs)
U2 F' U' //Obvious 2x2x2 (3/3+1)
B' D B //Orient two edges (3/6+1)
D2 L D2 B2 //2x2x3 + 6 pairs (4/10+1)
Stop here if you want to have fun and try for yourself.

A possible continuation I've found:
B' //Save one pair (for F2L on R) (0/11)
L F L' F' //Insert other pair (4/15)
B D L' D' //Insert saved pair (4/19)
Antisune + AUF for 27 total

Another possible 27:
F' D F
L D' B' L B //All but a pair 3-cycle
L' F' L D L D' L' F //Pair 3-cycle

But I knew I was missing something really good. So I tried Cube Explorer and got this, which is very close to the first 27:
B' U' //Save one pair (for F2L on R) (1/12)
L F L' F' //Insert other pair (4/16)
L U L B //Finish (4/20)
[\spoiler]

 

[T1_M0]

Easy edge 3-cycles I should learn? At the moment I know only

• 6-move [M, U2] + inverse (1 premove is okay, but still I get to use this very rarely)

Then the intuitive 10-movers:

• Comms where interchanges are in the same face like [L' E2 L, D']
• Interchange is already in M, E or S slice like [U R2 U', M']

When I don't find anything but the 10-movers and not any cancellations, I'm pretty much ****ed up. An example (the current weekly comp):
D F B2 R' L B2 L B' R2 U D' R2 D' B2 D R2 L2 D2 R2

My skeleton (corner insertions already done):
U2 B' R U2 R' U F' U F L' D' L' B L F2 L' B L' F' R2 F L2 * F' R2 F' L2 B
*[F' E2 F, U'] ([F' D2 U2 B, U'])

So I searched and searched and got tired to searching and messed up by doing this insertion. The insertion finder found multiple 8-movers (not really comms) cancelling 3 moves. I want to learn some of these.


Which edge 3-cycles do you use, I'd like to learn some easy ones to find better edge insertions. Cases that often come up?