*1 week ago*

Hi guys,

Recently, one CubeSkills member has been practicing building extended crosses in his solves, and was interested in my thoughts on how to tackle a variety of different scrambles. I thought it would be a nice idea to share how I’d approach building the extended cross (or the reasoning for not building one) for each individual scramble. By no means can I guarantee these examples are the “perfect” solutions, and if you have any different thoughts or opinions on particular cases, let me know in the comments! :)

I’ll be building these as a colour neutral solver, but if you’re interested in following along and would find it easier on white, make sure to place the white side at the location specified before each scramble. Let me know if you spot any notation/other mistakes in the blog.

Lastly, this will be fairly advanced, and is intended for those who are quite comfortable with the CFOP method and some intuitive blockbuilding and other extended cross techniques.

**F' D2 B2 R B2 L U2 L R B2 U' R D L' D' R D2 L2 F (Cross on D)**- y D’ L R’ B’ R’ D
- The yellow-orange-blue 1x1x2 is nice, and the blue-orange edge is in the perfect position to take advantage of that. We need to do a B’ to place the yellow-green edge whilst preserving that 1x1x2 and solving the accompanying F2L edge.
- To execute the B’, I’d use my right ring finger, which is a little bit risky.
- An alternative execution is x2 y U’ R r’ U’ r’ D, but that is a little bit more complex and also leads to the solved pair ending up in one of the front F2L slots.

**R2 B U R' F D L' U' F' R2 B2 R2 L2 D2 B2 L2 F2 D' R2 D2 (Cross on R or F)**- z R D’ R’ D R D R D’ can be executed quickly and also preserves the green/white F2L pair. Because it’s 2 generator, only pieces in the R or D layers will be affected by this solution.
- As I said at the start, some solutions won’t actually be extended crosses, such as in this case where I don’t think a red X-Cross is a great option.
- For the Green cross (F), the extended cross z2 x’ R F L’ D2 F’ R’ u’ R u is also decent.

**F U2 B2 L2 U2 F' D2 F' L2 U2 L F U' B R' U' L R F' (Cross on F)**- x’ y2 D’ R2 L2’ D’
- Similar to scramble 1, but a little bit easier still. The reason we do a y2 before executing that solution is to solve the extended cross such that the first F2L pair ends up in the back-left slot.
- There are multiple different ways to do the R2 L2’. I’d probably do a regrip of my right hand after the R2 to get ready for the D’. Alternatively something like x y2 U’ R2 r2’ D’ might be a bit faster to execute.

**L2 D R2 B2 R2 B2 F2 D2 R2 U R2 F D' F' R' U2 L F D2 F' R2 (Cross on R)**- This is a scramble where I don’t really think it’s worth it to do an extended cross, or rather, I probably wouldn’t have been able to see and plan this solution in inspection. Safer to go with one of the easy crosses (green, blue or yellow) and predicting pair 1.
- However, an X-cross on red is: z y U’ F2 R D F D2 R B

**R2 U2 B' L2 F2 D2 B L2 F' D2 U2 L U L2 F2 D' F2 D' U R D (Cross on R)**- Not super easy, but there are a few different ways we can build this one. The location of the green-yellow edge is a little bit troublesome.
- y x’ L2 U (R U’ R B) D’ R2’
- y x’ L2 R U’ B U2’ R2’ D’ R
- y x’ F’ L’ U F L’ R2 D’ R2’

**L2 D' R2 D2 F2 D B2 U R2 B2 U' F' L' D' F2 U' L R' U L2 F (Cross on B)**- Yellow looks promising, but the position of the yellow-green edge is a bit unfortunate, and so I couldn’t really find anything that great.
- x2 U L R U R U z’ x’ R’ F R is a pretty straightforward solution on blue, and is pretty easy to execute, albeit with the rotation. Note that z’ x’ should really just be one regrip of the cube, and not two.
- A lesson here is that if we have a 1x1x2 block (ie just a corner and an edge paired up), there are multiple crosses where we have the potential to use it. Here, for example, we could use it to try a either a yellow, blue, or orange extended cross.

**L' D2 R' B2 L R2 B2 R' D2 R' D L2 B' R B' U2 F R' B2 R2 (Cross on B)**- x R D’ R’ U R L F is a nice solution here.

**F' U2 B2 L U2 L' D2 R F2 L B2 F' D' R U2 L' R2 F' R (Cross on U)**- x2 U’ R2 U’ R’ D2 U’ F2 R2
- The green-orange edge in its place is handy, and forms the basis of this extended cross. The D2 U’ can be performed simultaneously.

**U' L B2 R U2 L D' R' B' U2 F2 R2 D2 R2 F L2 B' U2 F2 U (Cross on B)**- x y D2 R’ D U’ r U r’ R2
- We can see that an initial D’ move would solve a 1x2x2 block, and so the challenge with this solution is simply to figure out how to insert the remaining blue cross edges in an efficient way which doesn’t destroy that block.

**U2 L D R F' U B L D R F2 R L U2 R2 B2 D2 R2 B' (Cross on D)**- Probably the best thing to do on this scramble is to preserve that yellow pair and insert it right after the cross.
- y R’ U R’ L F u’ or y R2’ U’ L F’ u’ solve the cross and preserve the pair.
- The reason for doing u’ instead of D’ to align the cross is to ensure that we don’t need to do any rotations to solve the blue-orange F2L pair.

**B2 U R2 B2 L2 U' F2 D U2 B2 L F' U' L D2 L' B U2 L' B' (Cross on L)**- z’ y’ D2 R’ D R L U’ L’ D’
- A standard keyhole extended cross.

**U B2 R2 F2 L2 D2 B' D2 B' D2 F2 L U2 L F' D L D' U2 (Cross on D)**- y r’ D’ r U2 L R2’
- The key to doing this one most effectively is figuring out how to make it rotationless and fingertrick friendly. It’s tempting to just make the 2x2x2 with F’ R’ F2 and then do R2 B’ R2’, and the execution on that isn’t too bad, but it builds the X-Cross with the pair in a front slot.

**L' U2 L U2 F2 R B2 R' F2 R U B F' D U L' D R F L2 (Cross on D)**- U2 F R’ U’ D2 R2 U L F’
- This is a reasonably tricky X-Cross, the reason I’d consider it is because the 6 move 2x2x2 is decent to execute, and because the last two cross edges afterwards are in a good position. The yellow-orange edge is fairly easy to track (only affected by the F), but the yellow-green is probably the one to keep an eye on as you solve the 2x2x2.

**U' F' L F U' B' L' F R F2 D F2 U' F2 L2 D2 F2 U2 B2 (Cross on R)**- z R’ u R’ L’

**F L2 D B2 D' R2 U R2 U2 L U' R' U' F' D' F U' B2 (Cross on F)**- x’ y’ F D L R’ U’ R D2
- A fairly standard keyhole extended cross on green - it can be tempting to also try and preserve the red-yellow pair. The simplest way to do this is probably just move it into the top layer before doing the D2 move to finish the cross.

**B2 D' L' F2 U2 F' D' L U B' U' D2 R2 F2 D2 B2 D2 (Cross on D)**- The first thing I saw on this scramble was y2 F R’ D R U L U L’ F R’ F R.
- The position of the red-blue edge makes the blue X-Cross a bit tricky. x U D’ R D R D2 was an initial idea for blue, but the blue-red is in basically the worst position possible at this point.

**U2 F2 U B2 F2 U' B2 R2 D B2 U' B U' B2 R U' L F' R D R' (Cross on B or R)**- I would probably avoid doing the yellow cross in this example, the red-yellow edge is not placed very well. Instead, with that 1x1x2 block, either orange or blue are good places to try and build something.
- x y2 U’ F U R2’ U’ L F2 is okay for blue, and z’ y’ R’ F R D’ r’ U’ M’ D’ a good solution for orange.

**B' U' B D' B' R' D2 L' D F' U2 L2 B R2 B' L2 F' D2 B2 R2 (Cross on F or R)**- For the cross on F, x’ D2 R2 U L’ R’ F R solves the X-cross and sets up the second F2L pair.
- For the cross on R, ideally we would like to solve the double extended cross using keyhole (as both of the edges we need to use are in the top layer and oriented the same way). When there are two corners solved diagonally opposite to one another, we need the cross to be offset by a single move, not a double move, in order to freely insert both edges without consequence.
- Ie, a double extended cross solution here looks like z r’ D’ r u R U’ R’ L U L’ D

**L2 U' F2 U2 B2 L2 D' U' F2 U' B U R D' L' F2 R U2 R' B' (Cross on D)**- y2 F R L D2 R2’ D’
- Simple solution, but the key here is to actually break up that corner/edge pair.

**L2 U2 F' U2 B R2 B' R2 F' U2 R U' B L D2 B' R' B L D' (Cross on B)**- x D’ U’ F U’ R’ U R U’ R’ D2
- The important thing here is to cancel into the corner insertion for the keyhole X-cross.

**L' F2 U2 B2 R' B2 R U2 B2 L' U' F' L2 F2 L' U' B' R' D' U2 (Cross on R)**- Very easy scramble
- x z D’ L’ D F’ U2’ R2’ for a double extended cross. The hardest part of this one is seeing where the green/white edge ends up after the first 4 moves.

**D L2 D B2 F2 D L2 U R2 D2 R2 L' F2 R' U' R B' L D2 F2 U (Cross on U)**- x2 y F R' L D2 L D U R2 is probably how I'd deal with that orange/blue edge piece. This was quite a tricky one to plan out and I'm not sure if I'd have done it in just 15 seconds of inspection time.

**R2 U L2 B2 F2 D' B2 D2 B2 U' L' F' R B U B' U2 R B2 (Cross on U)**- Whilst it seems like an easy to see X-Cross, finding a nice way to execute this is the difficult part.
- x2 y' r' U r F D R u R2' is the best I can do.

**L' U' B L2 D' R' L' U2 L F D2 F R2 B' L2 D2 B' L2 D2 F2 (Cross on B)**- This one is a bit interesting - I think that a rotation and regrip for the X-cross solution isn't too bad, but the alternative solution (which simply sets up the first pair) is also decent.
- y z R' U R y' R' U' R2 L
**or** - x L R U R d L U' L'

**B2 R2 D2 R2 U2 B' L2 R2 B2 F' U L F2 U2 B2 F R D' B2 L2 (Cross on D)**- Always nice to finish with an easy one.
- y' L U F' D'
- A double X-cross (still using keyhole) which takes advantage of the blue-red edge and the blue-orange-yellow corner is:
- y' L R' F' U R y L U L' D'

I hope these were useful, and feel free to leave feedback which I could incorporate into something like this if I were to do it again! :)

Feliks

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## William Yang

Posted 1 week agoFirst one here:D

## Ethan Varn

Posted 1 week agoSecond...

## Feliks Zemdegs from CubeSkills

Posted 1 week agoLol guys, this isn't YouTube

## William Yang

Posted 1 week agoI know

## William Yang

Posted 1 week agoThis is somewhat helpful but it doesn't really help with recognition of a good x cross and when to

## Zihan Zhang

Posted 1 week agoTheses examples really help me a lot, thanks for sharing! Hope to see more advanced skills:-D

## Feliks Zemdegs from CubeSkills

Posted 1 week agoThanks Zihan,

William - Yep, I do always find that written tutorials aren't as easy to follow as videos. The best thing to do for these if you're not sure how the solution works, is to check which F2L pair gets solved, and then re-do the scramble, noting where the pieces are. It's important to understand the solutions intuitively, not just follow them, that's where the most benefits will come.

## James Sehr

Posted 1 week agoI'm sure to use these examples well once I've finished learning full oll and have started working on advanced f2l. Those darn last two dot cases. *sigh*. Also Feliks, This is common sense but one must keep their nails fairly trim in order not to tear stickers on any cubes but usually after clipping them my index finger tips hurt as they haven't as much of a nail for protection. This is a really silly question but after about a 2 hour practice session I'll have that sort of dry sticky feeling on my hands and fingers. So, what are you're thoughts on tired, dry, and sore hands, as cubing isn't too much of a physical sport as it is a mental one, but I gotta give it to cubing to be very physically tiring on the hands.

## R Cheng

Posted 1 week agoFeliks,

In the 2nd scramble,

Would you please explain why the Red isn't a good option for making a X-Cross?

I did try the red but found I messed up the Cross after placing the 2x1x1 (Red Greend & Yellow) Block in place(Red bottom).

(I did the X-Cross easily like you did in the 1st scramble, in which the Cross-edge is in a good position with the 2x1x1 block.)

Is that because the corresponding Cross-edge to the 2x1x1 block is not in a good position to form a 2x2x2 block for the X-Cross?

It seems that we need to be more careful to look at the position of the corresponding edge (oriented or not) to the 2x1x1 block which we found during inspection.

Could you give some comment on my insight or some more advice on distinguishing a better block from the other?

Also 1 more extra question,

Do you recommend to be more patient to practice One Single scramble until we feel comfortable to it?

I would appreciate your thoughts on the questions.

Thanks,

R .

## chen haozhe

Posted 1 week agoFeliks ,I want to ask a question （but this is not about the extended cross)

How can you find a f2l pair before solving the cross?

## chen haozhe

Posted 1 week agoFeliks ,I want to ask a question （but this is not about the extended cross)

How can you find a f2l pair before solving the cross?

The corner is always on the D face

## Shrijan Pal

Posted 1 week agoI have a doubt is 2x2 cll same as 3x3 coll or it is diferent?

## William Yang

Posted 1 week agoIt is, COLL algs are just corner permutations with OLL. Since 2x2 doesn't have cedges COLL solves it also

## Shrijan Pal

Posted 1 week agoThanks William

## Liam Gerard

Posted 1 week agoThanks, Feliks! This will be so helpful!

## Aaditya Sikder

Posted 1 week agoThank you very much! I average like 17 seconds and on average it takes 4 second to complete my cross which is horrible. This vlog will help me.

## Sam Durocher

Posted 1 week agoHey Feliks,

How do you decide what lubricant to use? Do you just put one type in, then test it? If you don't like it, do you just clean it out the repeat the process until you find one you like?

## Yash Raj

Posted 1 week agoFeliks keep us motivated

## Alex Ravel

Posted 1 week agoThanks for this blog! I can do extended crosses sometimes but my hands start shaking and I mess it up because I don't plan it completely. I average 10.9s and my cross solutions are mediocre or good but terribly executed. This gives me a good idea how i could make more extended crosses.

## Tien Tran

Posted 1 week agoFeliks why don't you do feet? Have you ever tried it?

## William Yang

Posted 1 week agoHe doesn't do it because feet are disgusting: P

## Thomas Guo

Posted 1 week agoHey feliks,

I average about 29 seconds. My cross is about 4, my F2l is taking super long and averaging about 15 seconds even though I learned all the cases. What do you think I should so to improve my F2l

## Feliks Zemdegs from CubeSkills

Posted 1 week agoSam - basically, but to be honest, these days I really don't test out everything, I mainly just use DNM 37 if my cubes need it.

Tien - It's not fun

Thomas - Check out the intermediate cross and F2L videos on this website, they should be the most useful for where you're at.

## R Cheng

Posted 1 week agoFeliks,

2) R2 B U R' F D L' U' F' R2 B2 R2 L2 D2 B2 L2 F2 D' R2 D2 (Cross on R or F)

I think the Green (bottom) X-Cross alg you've shown here is missing some moves as the white-orange piece is not in place?

Would you please amend it as I would like to see how it 's done?

## Carol Lee

Posted 1 week agoAren't you going to post these things on lessons?

## William Yang

Posted 1 week agoFeliks are you thinking about making an x cross video example solve in the future?

## William Yang

Posted 1 week agoNever mind found a tutorial in advanced section

## Shrijan Pal

Posted 1 week agoMy block building is improving . Do you think my F2l will also improve ?

## William Yang

Posted 1 week agoHey Feliks did you make a mistake for the orientation for the easy Parity cases in the 4x4 JB perm and pll

## William Yang

Posted 1 week agobecause it doesn't work when I tried it and I get a NA perm

## William Yang

Posted 1 week agoThe 2nd one btw

## William Yang

Posted 1 week agoOops didn't notice that there is a U2 at the end sorry for that?

## Showdown baxa

Posted 1 week agoWould this Xcross for the 10th scramble (On orange) also be an option?

z' F' R D L D R2 D

## Yixiao Shen

Posted 1 week agoHi Feliks,

These are extremely useful examples!

It is important to know that any block can be used in 3 different crosses, but it also requires lots of practice to incorporate this in limited inspection time. Using D layers to manipulate F2L edges is also very insightful.

For scramble 2, I can see this when turning very slowly, but I would definitely not do that during a solve.

z2 x’ R F L’ D2 R’ U’ F R’ F2

For scramble 18

x’ D2 R2 U L’ R’ F2 R F’ would be more move efficient.

For scramble 25,

This is a great offset F2L pair, but it is quite impossible for me to break that readily available block to build something else first. BTW I got a 29 move solution by continuing your XXcross:)

## Feliks Zemdegs from CubeSkills

Posted 1 week agoShowdown - Yep that's a decent option! :)

Yixiao - Yep, and if I find that the block works well with one colour right away, I won't spend time checking the other colours. For scramble 2, do you mean something like R F L' D2 R' F' R U' R2'? I can't get yours to work. Yeah, that's a hard one to plan in inspection. For 18, that is a more efficient solution and perhaps slightly faster.

## Yixiao Shen

Posted 1 week agoz2 x’ R F L’ D2 (U2) R’ U’ F R’ F2

Sorry I missed a U2, but yours is more move efficient!

## William Yang

Posted 1 week agoFeliks are you thinking about making a reconstruction of your WR solve with the average?

## William Yang

Posted 1 week agoFeliks are you allowed to listen music during comp solves or wear earmuffs

## William Yang

Posted 1 week agoFinally are you going to make a skewb tutorial? I want to try it but don't know how to start

## Feliks Zemdegs from CubeSkills

Posted 1 week agoProbably no reconstruction of that, and no you're not allowed to listen to music during official attempts. Lastly, I won't be making skewb stuff any time soon - check out YouTube tutorials :)

## kushagra kharbanda

Posted 1 week agowill you be making 2x2 videos for cll and eg

## Amelia S

Posted 1 week agoHi can I know what is the maximum time for solving the f2l so that my solving time can be less than 20 seconds. (Because I always waste a lot of time solving the f2l)

My average time is 28.542 s and my best is 16.819. Any comments so that I can improve?

## James Sehr

Posted 1 week agoAmelia,your probably gonna need to have sub 12 f2l. To be honest, you should learn full pll if you haven'tand that should cut off a good amount of time. When I averaged what you do my pb was around 20 seconds but now im sub 16 and my pb is 8. So basicly just learn nore efficient f2l and full pll and thats enogh also experiment with a nore intermediate cross. You can take a look at Feliks' intermediate module and his f2l algorithm pdf.

## James Sehr

Posted 1 week agoAnd please forgive my bad spelling. When you feel your ready you can go for full oll ehich is honestly way easier to memorize than it sounds

## James Sehr

Posted 1 week agoWhich*

## William Yang

Posted 1 week agoThanks Feliks

## Cuberious The SpeedCuber

Posted 1 week agoWhat are your opinions on this N Perm and mirrored?

(r' D r U2) x5

## William Yang

Posted 1 week agoFeliks what do you use for edge pairing 3-2-3 or 6-2

## Thomas Guo

Posted 1 week agoThanks for the quick response also btw I feel like the Yau method has a longer move count for me then reduction and I'm getting horrible times with it any tips to improve on my Yau 4x4?

## William Yang

Posted 1 week agoFor Yau

## Lanz Legaspi

Posted 1 week agoHow is anyone this smart to keep making X-Crosses? Explain yourself Feliks

## Yash Raj

Posted 6 days agoDear Feliks,

I'm stuck at sub 15.my lookahead is not upto mark.how can i get rid away from it..any more suggestions for last layer improvement?

## William Yang

Posted 6 days agoPractice 1 look recognition and for look ahead do Feliks' practice drill: do 5 solves slow and 5 solves fast

## William Yang

Posted 6 days agoLanz half of it is that he is currently color neutral other half is just recognition and practice

## Vishant solanki

Posted 5 days agoVery nice and helpful

## William Yang

Posted 5 days agoFeliks what do you listen to to help you focus during solves

## Dartagnan Mullins

Posted 5 days agoHey Feliks, are you planning on coming out with one handed PLL and OLL finger tricks it’s something that I believe would be very beneficial, thanks.

## Swapnil Pant

Posted 5 days agoHi feliks

This was a nice one for me

Cz I am stuck at my sub 20 barrier my pb is 16

## sun yifan

Posted 5 days agoHi Feliks ,I found a Valk 3 powerm in your picture. Do you usually use it or GAN?

(I am a Chinese:))

## sun yifan

Posted 5 days agoAnother question:I am sub25 now, can I begin to learn x-cross? And how can I learn it?

## Charlie Harrison

Posted 5 days agoOn the second example z2 x' R F L' D2 R' F' R U' R2 gives you a double x-cross.

## William Yang

Posted 4 days agoSun he uses Gan more and xcross is mostly very advanced so I recommend you watch his intermediate cross and f2l

## William Yang

Posted 4 days agoI'm sub 20 now because of that module

## William Yang

Posted 4 days agoAlso what 4x4 do you use in comps. I thought it was a wuque but wuque doesn't have green center pieces it has yellow

## László Csonka

Posted 4 days agoWilliam Yang - Not every wuque has got yellow inners. Mine is green.

## Cuberious The SpeedCuber

Posted 4 days agoWilliam that's a lot of comment spams I see

## Feliks Zemdegs from CubeSkills

Posted 4 days agoDartagnan - I'd like to do that, but at the moment I'm not 100% happy with my own executions :p Antoine Cantin's YouTube fingertricks playlist is a great reference for OH execution.

Sun - I use the Gan, but I have other puzzles as well of course.

Charlie - Very nice - not sure that's something most people can plan in 15 seconds, but it is probably the best option for the scramble.

William - Wuque

## Covenant Musoba

Posted 4 days agowhat ges nuts should i use

## Covenant Musoba

Posted 4 days agoon my gan

which ones do you use

## William Yang

Posted 4 days agoThnx Feliks sorry of I spam too much I ask a question and I think of another after I post and sometimes I find what I need after I post a question so sorry if I did spam:(

## William Yang

Posted 4 days agoWhat is the maximum moves it should take for you to make a x cross

## Covenant Musoba

Posted 3 days agoI would personally say 7-8

## Stanley Wang

Posted 3 days agoThis was already asked, but Feliks, how do lubricate your SM? Surely not only DNM-37?

## sun yifan

Posted 3 days agoThanks,and I have another question:I am sub25 now, can I begin to learn x-cross? And how can I learn it?

## William Yang

Posted 3 days agoSun I recommend you practice your f2l more and start practice planning you cross and first pair these two things are what helped me get to sub 20 I'm not constant and I always get sub 25 times whenever I hesitate or forget to look ahead. Bring your F2L down to 10 seconds and if you haven't already learn most of the OLL algs and full PLL in total your solve should look like this 3-5 for cross 5-10 for F2L and 5 for LL

## Paulo Sousa

Posted 2 days agoHi Feliks! Thank you so much for share with us these examples.

I think these examples will help many cubers to improve their cross-f2l transition.

I've published a simple page where it's possible to practice all 25 extended cross examples with white cross.

I think it will help white cross solvers like me to understand better these examples.

Anyone can access scrambles and solutions by 25 extended white cross examples.

Please let me know if you see some mistake in scrambles or solutions.

See you!

## sun yifan

Posted 1 day agothanks, and my goal is 2-3for cross, 8-11 for f2l, and 6-8 for LL.That because my f2l isn't very good,but I'm good at cross;and I did not learn any OLLat all,but I have learned all PLL algs.Now I am avg22.Thank you for your recommendation!

## William Yang

Posted 1 day agoNo problem

## William Yang

Posted 18 hours agoFeliks how do you know when to use wide moves in a cross solve

## Charlotte Rong

Posted 4 hours agothanks Feliks, that's really helpful!!!