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[Help Thread] FMC Discussion

Did another FMC, my solution was a bit icky:

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

F' R F2 U' L' U //first block
U' B2 R' B' R U // square
R Fw' R Fw R' D R D' U R U' //F2L 3rd
F' R2 F R2 U' R D2 R' U R D2 R2 // finish F2L and corners
z' Rw R' U Rw' R U' Rw R' U Rw' R U Rw R' U2 Rw' R //ELL
 
Sebastien said:
I should definitely look in here more often.

okayama said:
Sébastien is amazing. He got Sub 29 (from Austrian Open 2012 to Saarland Open 2012)!
27, (DNF), 27, 29, 28, 26, 29, 29, 32, 29, 29, (25) = 28.5
Click to expand...

Thanks :)

You got a better overall year statistic though. 12 sub30s out of 20 attempts, resulting in a median of 29 and a mean of 29.5, amazing. :)

After a very bad start this year I got 18 sub30s out of 36 attempts, leaving me a median of 29.5. As I tend to rage-DNF when not finding anything very close to 30 there is no mean for me. ;)

Mean without DNFs is 29.26, but that doesn't mean too much. Counting all DNFs as 35 I get 30.2.
Click to expand...
Ah, in median I won. :)

For personal interest, I investigated the best average of 12 in the official results of the top rankers (single <= 32).

  1. Sébastien Auroux 27, (DNF), 27, 29, 28, 26, 29, 29, 32, 29, 29, (25) = 28.5
  2. Tomoaki Okayama (27), 29, 28, 32, 31, (34), 27, 29, 30, 31, 28, 27 = 29.2
  3. Tim Reynolds 27, 35, 29, 30, 26, 33, 33, 33, 31, (DNF), (24), 30 = 30.7
  4. Mario Laurent (37), 32, (28), 36, 31, 31, 32, 34, 37, 33, 30, 29 = 32.5
  5. Simon Westlund 31, 29, 34, 34, 31, (27), 34, 36, 32, (37), 33, 34 = 32.8
  6. Shuang Chen 37, 33, 41, (42), 34, 30, 33, 31, 30, (28), 32, 32 = 33.3
  7. Clément Gallet 28, 35, 33, 32, 35, 42, 39, 27, 32, (DNF), (26), 31 = 33.4
  8. Erik Akkersdijk 33, 31, 31, (40), 30, 33, 32, 33, 37, 35, (26), 39 = 33.4
  9. Timothy Sun 34, (30), 41, 34, 34, 32, 34, 35, 35, 32, 37, (DNS) = 34.8
  10. Bence Barát 35, 36, 32, 36, (39), (30), 36, 35, 34, 38, 33, 35 = 35.0
  11. Piotr Kózka 35, (46), 39, 35, 33, 34, 35, 35, 36, (33), 33, 37 = 35.2
  12. Michał Pleskowicz 35, 38, (28), 40, 35, 32, 39, 41, 37, 29, (47), 31 = 35.7
  13. Maarten Smit 34, 36, 40, 37, 31, 38, 37, (43), 38, 32, 34, (30) = 35.7
  14. Arnaud van Galen 35, 36, (28), 35, 43, 45, 31, 29, 34, 40, (DNF), 36 = 36.4
  15. Yunqi Ouyang (29), (40), 35, 46, 40, 35, 36, 36, 39, 37, 36, 32 = 37.2
  16. Lorenzo Vigani Poli (DNF), 37, 47, 39, 38, 39, 42, 39, 36, 31, (29), 33 = 38.1
  17. Mike Hughey 45, 38, 37, 33, 46, 39, 38, (31), 44, 33, (DNF), 35 = 38.8
  18. Dániel Varga (DNF), 36, 39, 48, 42, 43, 35, 41, 42, (30), 41, 33 = 40.0
  19. Bob Burton (34), (52), 40, 40, 43, 47, 40, 38, 45, 40, 40, 45 = 41.8
  20. Henrik Buus Aagaard 39, 39, 44, 43, (DNF), 51, (29), 43, 47, 41, 40, 37 = 42.4
  21. Kåre Krig (39), 39, (48), 42, 46, 44, 46, 40, 44, 41, 46, 47 = 43.5
  22. Others DNF
Quite near-miss: Daniel Sheppard (DNF), 27, 33, 33, 32, 29, 28, (26), 27, DNF, 31, 27 = DNF.
Come on! You should achieve Sub 30 avg, if you get 32 or lower next! :D

NB: You can see the rank of "mean of 3" on WCA: Missing Averages->333fm.
 
Last edited:
Hi folks,

I had a nice corners-first solve on Per's FMC 434 1 hour/unlimited (fmc.mustcube.net)
scramble: B' F' R B D2 U' L' R B U2 L R B F2 U2 L2 D' B2 U L' D' B' F' U R2 U F R2 U' L'
my solve: D' B F' R B' F D' B' U2 R' D L2 R2 B2 U R L' B' D2 B' L2 R' F L' R U' L' R U L' (30)

explanation:
on inverse scramble:
all corners and 4 edges: L U' @ R L' U2 B D (7)
another 2 edges: F' B R' F B' D (13)
another 2 edges: at @ insert: R' L U R' L F' R2 & L2 (19)
last 4 edges: at & insert: R2 L2 B D2 B L R' U' B2 R2 L2 D' R L' (30)

Can anyone do better than my poor 23 moves on last 8 edges?
 
Well, edges are always very tricky. I think you found a very nice solution already.

The insertion finder provides this after lots of calcuation time:

4 edge 3-cycle(s) insertion(s) needed
L U' [@1] R L' U2 B D
Insert at @1: B R' L U' R' U R L' B' R
After the 1st insertion: L U' B R' L [@2] U' R' U R L' B' R2 L' U2 B D
Insert at @2: R' L F2 R L' U2
After the 2nd insertion: L U' B R2 L2 F2 [@3] R L' U R' U R L' B' R2 L' U2 B D
Insert at @3: F L2 F' R L' U L2 U' R' L
After the 3rd insertion: L U' B R2 L2 F' L2 F' R L' U L2 R' U [@4] R L' B' R2 L' U2 B D
Insert at @4: U' R2 L2 D L' D' R2 L2 U L
Fewest moves: 25. 18 moves cancelled
The final solution: L U' B R2 L2 F' L2 F' R L' U R D L' D' R2 L2 U R B' R2 L' U2 B D
Runtime: 405819 milliseconds
 
Edinburgh Open 2013: L D' R B' R F2 U' L U' B R2 F2 U' F2 B2 U2 F2 R2 D'

I used Inverse scramble: D R2 F2 U2 B2 F2 U F2 R2 B' U L' U F2 R' B R' D L'
2x2x2: D' B2 R' L2 B' (5)
Pseudo 2x2x3: D2 L' D2 F2 (9)
F2L-1: D L2 D' (12)
Solve Edges and correct pseudo: D' L D F L (16)
5 corners left, so double insertion for a 27 move solution.
I did the whole solution in ~25 minutes including a 1-pass double insertion :)

Still need one more result to get an avg12.
 
I'm a complete FMC noob but I'd like to get better at it, so at Edinburgh Open, I gave it a go. I didn't get a result, but I'd like to see how you guys would have continued..

Scramble is of course the same as Dan's: L D' R B' R F2 U' L U' B R2 F2 U' F2 B2 U2 F2 R2 D'

I quickly found a 2x2x2 block in 5 moves: F' R' F' U' R
Then the best thing I could find was: D' R' B' R B D B' R' B' R B2 to get a 2x2x3 block.
I didn't think 16 moves to get a 2x2x3 block would lead to anything decent, so tried inverse scramble with R' U F R F as pre-moves. At that time, I didn't see anything, so went back to the normal scramble and quickly gave up.

At home I tried again with the inverse scramble, again with F' U F R F as premoves.

Now I found B L B' L2 D2 to get a 2x2x3 block. That sounds a lot better to me.


But from here on, I don't really know what I should do. I came up with L D L' D' B' D' B D' , but that will bring me on 18 moves and I'm not sure if that's good enough. After this, the only thing I can come up with is to complete the final F2L pair and do the last layer a la CFOP, which is probably not the most effective way, so....

What would you have done differently from what I've done and how would you have continued from either the state after the 2x2x3 block (10 moves) and/or after the 18 moves?

Thanks.
 
Last edited:
I just got a really weird solution for a german online competition.

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

After 14 Moves I'm left with blocks.

Inverse:
2x2x1: L F (2/2)
Normal:
2x2x2: L' U (2/4)
Inverse:
xx-Cross + 2 F2L-Pairs: D B R' B2 D' B2 (6/10)
F2L-1: D' L' D L (4/14)
3-Pairs-Cycle: L D2 R' # D R D2 L' (7-1/20)
Insertion at # (3-Pairs-Cycle): L R D2 L' D' L D2 R' D L' (10-2/28)
(IF says optimal insertions)

Solution: L' U L D2 R' D' L D' R D2 L' D L D2 L' D2 L2 D' L D B2 D B2 R B' D' F' L' (28 Moves)
 
guusrs said:
Hi folks,

I had a nice corners-first solve on Per's FMC 434 1 hour/unlimited (fmc.mustcube.net)
scramble: B' F' R B D2 U' L' R B U2 L R B F2 U2 L2 D' B2 U L' D' B' F' U R2 U F R2 U' L'
my solve: D' B F' R B' F D' B' U2 R' D L2 R2 B2 U R L' B' D2 B' L2 R' F L' R U' L' R U L' (30)

explanation:
on inverse scramble:
all corners and 4 edges: L U' @ R L' U2 B D (7)
another 2 edges: F' B R' F B' D (13)
another 2 edges: at @ insert: R' L U R' L F' R2 & L2 (19)
last 4 edges: at & insert: R2 L2 B D2 B L R' U' B2 R2 L2 D' R L' (30)

Can anyone do better than my poor 23 moves on last 8 edges?
Click to expand...
Hi Guus,
I found a few nice solution:
1.
D’ B’ U2 R’ L U’ F U2 D2 B’ U2 R2 D L U2 D2 R D2 R2 U’ D’ B2 U L 24 moves
premoves:L
D’ orient corners, and 2 edges,
B’ U2 R’ L all corners -2 moves, and 3 edges,
U’ F U2 D2 B’ more 1 edge,
U2 R2 D L U2 D2 R’ L6E,
R2 D2 R2 U’ D’ B2 U 4 edges swap.

2. D’ B’ U2 R’ L U’ F U2 D2 B’ U2 D L’ U2 D2 R D’ L2 B2 D2 B2 D2 B2 D2 L 25 moves
D’ B’ U2 R’ L U’ F U2 D2 B’ U2 same as my first solution,
D L’ U2 D2 R D’ L’ leave 4 edges, after 18 moves.
Annoying, but i could not find a better insertion…
3. D’ F’ L2 F’ B R L’ D F2 D’ L’ B’ F U L B F2 D’ R’ B F’ U R B F2 L’ 26 moves
premoves: L’
D’ orient corners,
F’ L2 F’ B R L’ D all corners and 3 edges,
F2 D’ L’ B’ F U L more 2 edges,
B F2 D’ R’ B F’ U R B F2 L7E, a bit lucky.
 
Scrambles from Velbert Open 2013 and my solutions, resulting in a 26.33 Mean of 3:

Scramble #1: R2 D' R' U F' B' L' F' R L D2 B' U2 B R2 F' U2 D2 F

Solution:
Lots of Blocks on normal scramble: L U F2 D B' L R B2 R2 B'
switch and F2L: U L' U' D' R F R' F' D
ZBLL: D' F D F2 U' D' F D F' U F2

Solution: L U F2 D B' L R B2 R2 B' F2 U' F D' F' D U F2 D' R F' R' D U L U'

26 moves.

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

Solution:
Everything but 5 corners (3 insertions needed)：U L' F R2 F2 L' B' L2 * U' L' U B R B R'

Insert at *: R U' L' U R' U' L U

After the 1st insertion: U L' F R2 F2 L' B' L2 R U' L' U R' B * R B R'

Insert at *: F' R B R' F R B' R'

After the 2nd insertion: U L' F R2 F2 L' B' L2 R U' L' U R' B F' R * B R' F

Insert at *: D' F' D B2 D' F D B2

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

26 moves.

I found those insertions within 10 minutes. The insertion finder confirmed me afterwards that the insertions were optimal and actually gave me the exact same insertions. :)

Scramble #3: L2 R2 D2 R2 B2 U' R2 F2 R2 F' D' L' U L' R F2 D' R2 U2

Solution:
F2L-1 on Inverse: D' F2 U' F' L' * U' D L' D2 L2 D' L' D F
L3C: B' D L D L' D' B D2

Insert at *: L U L' D2 L U' L' D2

Solution: D2 B' D L D' L' D' B F' D' L D L2 D2 L U D L U L' D2 L U' F U F2 D

27 moves.

Again optimal insertion. :)


Edit: Tomoaki encurraged me to add my current official average of 12:

29, 27, (25), (DNF), 30, 27, 31, 28, 32, 26, 26, 27 = 28,3
 
Last edited:
About FMC438
Scramble: B2 R2 L2 F D L2 B2 L' U2 B2 F' L B D' L2 F' B U2 B2 L' R D' B' F2 L D2 F R2 D' B2

There is an obvious start for block-building (9-move F2L minus 1 slot with 1-move premove),
but I couldn't find any decent continuation giving Sub 25.
Well done Fred (and Attila)!

Here is my another, kind of straightforward solution (just for my records I post it).
Solution: F' D2 U' F R D2 B' R' B U' B' D B U B2 D' R' D R B' R' B U' B2 U B' D2 (27 moves)
Pre-scramble: D2

2x2x2 block: F' D2 U' F
More 1x2x3 block: R D2 B'
More c/e pair: R' * D B' D'
F2L minus 1 slot: R' D
Orient edges: R B' R'
All but 3 corners: B U' B2 U B'
Correction: D2

Insert at *: B U' B' D B U B' D'
 
Last edited:
D@mn, I missed that obvious start. 9 moves F2L-1 but after that it doesn't "feel" good. 22 moves for 3 corners I can get, same as you did. Or 18 moves for 5 corners, which isn't much better.
good luck on netx scramble!
okayama said:
About FMC438
Scramble: B2 R2 L2 F D L2 B2 L' U2 B2 F' L B D' L2 F' B U2 B2 L' R D' B' F2 L D2 F R2 D' B2

There is an obvious start for block-building (9-move F2L minus 1 slot with 1-move premove),
but I couldn't find any decent continuation giving Sub 25.
Well done Fred (and Attila)!

Here is my another, kind of straightforward solution (just for my records I post it).
Solution: F' D2 U' F R D2 B' R' B U' B' D B U B2 D' R' D R B' R' B U' B2 U B' D2 (27 moves)
Pre-scramble: D2

2x2x2 block: F' D2 U' F
More 1x2x3 block: R D2 B'
More c/e pair: R' * D B' D'
F2L minus 1 slot: R' D
Orient edges: R B' R'
All but 3 corners: B U' B2 U B'
Correction: D2

Insert at *: B U' B' D B U B' D'
Click to expand...
 
okayama said:
About FMC438
Scramble: B2 R2 L2 F D L2 B2 L' U2 B2 F' L B D' L2 F' B U2 B2 L' R D' B' F2 L D2 F R2 D' B2

There is an obvious start for block-building (9-move F2L minus 1 slot with 1-move premove),
but I couldn't find any decent continuation giving Sub 25.
Click to expand...

guusrs said:
D@mn, I missed that obvious start. 9 moves F2L-1 but after that it doesn't "feel" good. 22 moves for 3 corners I can get, same as you did. Or 18 moves for 5 corners, which isn't much better.
Click to expand...

I get 18 moves leaving 4 corners. Insertion Finder gives 27-move solution with two 3-cycle insertions.
Use premove: D2
Pre-scramble: D2

2x2x2 block: F' * D2 U' F (4/4)
More 1x2x3 block: R D2 B' (3/7)
F2L minus 1 slot: R2 D (2/9)
Edges: B' U' ** B L' B2 L U B2 (8/17) (leaves 4 corners)
Premove correction: D2 (18)

From Insertion Finder:
Insert at *: B U' F2 U B' U' F2 U
Insert at **: R' B L' B' R B L B'

Final solution: 27 moves
 
I got a 28 at Leicester Open this weekend. Like my 27 in Edinburgh a month ago, this was a fairly straightfoward solution again. When I say straightforward, I'm comparing it to some of the crazy complicated solutions I've done officially before.
27, 33, 33, 32, 29, 28, (26), 27, (DNF), 31, 27, 28 = 29.5 avg12 :)

I'll post the scramble/solution tomorrow probably

EDIT: OK I'm still awake so posting it now
Scramble: R' L' F U R2 D' F2 U F D2 L' D2 R2 D2 R2 F2 R2 U B2 D
Solution: F U' B F2 R' D' B' D2 L2 B' D B L U B U' B L2 D F' D' B' D F D' L' B2 L2 (28)
2x2x2: F U' B F2 R'
2x2x3: D' B' D2 L2 B' D (the B' is inserted to orient 2 more edges and create a pair)
Switch to inverse with premoves D' B L2 D2 B D R F2 B' U F'
F2L+EO leaving 3 corners: L2 B2 L B L2 B' U B' U' L' B' (the U B' U' is there for the EO)
Skeleton: F U' B F2 R' D' B' D2 L2 B' D B L U B U' B L2* B' L' B2 L2 (22)
Insert D F' D' B' D F D' B at * to cancel 2 moves
22+8-2 = 28 moves
 
Last edited:
Did 3 quick attempts (1 hour 15 total) just now with results of 27,27,23.
I used Insertion finder on the 2nd one but w/e.
Here are the solutions because more example solves is always a good thing!

[18:57] <kinch2002> ,3 fm
[18:57] <+Nibblr> 3x3 Scramble #24609: B2 L2 R' D' R L2 F' R' D R B2 U2 B R2 F D2 B' F' D2 L' F2 L' R' B2 U
Premove: D2
2x2x3: R2 U F' U2 L2 U L U Note the use of U L U instead of U2 to help EO and create a CE pair
EO: L D L' D'
Leave 3 corners: L2 B L B2 L B' L' B
Skeleton: R2 U F' U2 L2 U L U L D L' D' L2 B L B2 *L B' L' B D2 (21)
Insert B R B'L2 B R' B' L2 at * to cancel 2 moves
21+8-2=27 moves


[19:17] <kinch2002> ,3 fm
[19:17] <+Nibblr> 3x3 Scramble #24610: L' B2 F' R' F L U B2 F2 L B' D R2 U2 R F' U F2 L2 D L' R F' D' L'
Inverse scramble with premove: U'
2x2x2: L D2 R' D R
2x2x3: L U L2 U2
Leave 4 corners: B' L U' L U L D L D'
Insertion Finder said 27 moves


[19:46] <kinch2002> ,3 fm
[19:46] <+Nibblr> 3x3 Scramble #24611: B' U2 D2 F2 L B2 D2 U L U L B' D' U2 F2 B' D2 R D' U' R2 U B U2 D'
2x2x2: F2 R2 * U' R' B'
2x2x3+square: U2 F L' F' Pairs everywhere after 2x2x2!
Leave 3 corners: U2 L2 B L B' L' U
Skeleton: F2 R2 * U' R' B' U2 F L' F' U2 L2 B L B' L' U (16)
Insert B2 U F U' B2 U F' U' at * to cancel 1 move
16+8-1=23 moves
 
Is there any good finish from this F2L-1?
LL is always hard on FMC...

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

- Normal
Premove: U2 R'
2x2x3: D2 B' L U' L2
- Inverse
F2L-1: D' R D2 R' D2
 
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