- Yes, his website is no-longer being maintained... and it's off and

on, from month to month in the last 3 years I've been visiting it. I

think the "benjerry" got changed to "bj" from examining other

people's sites in the same domain. But that got me no where too.

He's an alum from that college and probably a busy guy, the school

won't care if it gets say accidently deleted.... which really sucks

for us.

Very unreliable site. No offense to DanK of course, just towards the

ITD of that school.

-Doug

--- In speedsolvingrubikscube@yahoogroups.com, jasmine_ellen

<no_reply@y...> wrote:> DanK -- I'm having trouble accessing your website. I clicked on

the

> link from the Links page of this group

> (http://benjerry.middlebury.edu/~knights/CubeInfo.html) and got

> a 'page cannt be found' error. Has the URL changed?

>

> Thanks,

>

> Jasmine. - Simple solution to your 4 corners twisted problem: double-sune and

bruno (R'U2R2UR2UR2U2R'). DanK/Mirek's Z Perm is the way to go, look

up DanK video on it... so you don't end up getting a bad habit of

the brute force alg.

I'm going through the same phase, teaching a friend of mine that's

at about 50s. (Just last night planning how to line up the next 8

PLLs: he knew the 3 edge ones, so I gave him the T and Y to start

off with... A and V might be the next step).

-Doug

--- In speedsolvingrubikscube@yahoogroups.com, jasmine_ellen

<no_reply@y...> wrote:> What a very detailed reply Ryan!

edge

>

> Here's where I'm up to at the moment... I've learnt several LL

> algs -- ones that mess with the corners (which doesn't matter if

LL

> edges are oriented first). I already knew several LL edge algs

that

> preserve the corners -- I guess these are useful if the corners

are

> already done when you get to the LL.

any

>

> I already know the Sune and its mirror (can't imagine there'd be

> cuber who doesn't know this alg?!). I've learnt the algs for the

In

> three LL corner orientation positions where 2 are corrent and 2

> require twisting. Still need to learn the 2 algs for when all 4

> require twisting.

>

> I'm aiming to learn the 13 PLL if my enthusiasm lasts that long.

> case it doesn't, I planned the order that I would learn the algs.

and

> First I revised the algs that just move the edges since. I knew U

> H, but for some reason was a bit iffy with Z. After that, I just

10,

> ranked them by 'probability of occurrence'. So, of the remaining

> I've memorised the algs with a frequency of 1/9 or greater (A, R,

J,

> G). So, 7 down, 6 more to go.

about

>

> I think I need to take a break from new algs and spend some time

> getting the newly memorised algs firmly planted in my head. I'm

> finding that I can remember them without a problem, but I'm still

> taking a bit of time recognising the patterns. I'm not concerned

> though because I know that practise will fix this!

>

> Jasmine.

>

> --- In speedsolvingrubikscube@yahoogroups.com, Ryan Heise

> <rheise@p...> wrote:

> > On Mon, Sep 01, 2003 at 11:48:01AM -0000, jasmine_ellen wrote:

> > > I remembered that DanK had something like this on his site

> a

method.

> > > beginner method, an intermediate method and an advanced

> This

on

> > > is actually what I was after. Who else has something like this

> > > their site?

need

> >

> > I'll describe the beginner and intermediate methods that I once

> used.

> > They are simplications of the Fridrich last layer system. You

> to

of

> > first understand how that system works:

> >

> > http://www.ws.binghamton.edu/fridrich/system.html#last

> >

> > This general strategy, orienting first, then permuting, is good

> because

> > it is very easy to recognise the positions quickly. But instead

> > orienting all the pieces at once, you just orient the edges

first,

> and

use a

> > the corners second.

> >

> > BEGINNER METHOD

> >

> > First, orient the 4 edges (ie. make a cross). There are only 4

> patterns,

> > and one algorithm to solve them all! To view this, you need to

> > fixed width font:

already

> >

> > --- --- -x- -x-

> > -x- xxx xx- xxx

> > --- --- --- -x-

> >

> > For each pattern, apply the algorithm "R'U'F'U F R" and it will

> take you

> > to the next pattern. Eventually you will end up with a cross.

> >

> > Improvement: notice that if you apply the algorithm when you

> > have the cross, you will end up with a line. That means that you

can

> > jump immediately from the 2nd pattern to the 4th pattern by

page:

> applying the

> > algorithm backwards! So, this step should take an average of 6

> moves.

> >

> > Next, orient the corners. There are only 6 patterns apart from

> solved.

> > Look through this complete list, and find all the patterns (and

> > algorithms) that have a cross already formed:

> >

> > http://www.ws.binghamton.edu/fridrich/Mike/orient.html

> >

> > For the case when 3 corners need to be twisted, I recommend the

> Sune TM

> > algorithm from Petrus. See the applet at the top/right of his

> >

backwards:

> > http://lar5.com/cube/fas6.html

> >

> > I think it's useful to learn to twist them forwards and

> >

the

> > - R U R'U R U2 R'

> > - R'U'R U'R'U2 R

> >

> > To see that done fast, have a look at the quicktime movies at

> bottom

which

> > of this page:

> >

> > http://lar5.com/cube/speed.html

> >

> > I recommend this algorithm because one of the other orientation

> cases

> > can be solved by just applying this algorithm twice. To know

> case

RU2R'U'RUR'U'RU'R'.

> > I'm talking about, apply this to a solved cube:

> >

actually

> > Now, apply the sune (RUR'URU2R') twice:

> >

> > RUR'URU2R' + RUR'URU2R'

> >

> > Notice that the moves in the middle cancel out? So you can

> do:

time

> >

> > RUR'URU'R'URU2R'

> >

> > which is an "optimal" solution.

> >

> > Next, permute the corners (yes, before the edges). Most of the

> > there will be a 3 cycle of corners. In this case, look at the 4

do:

> sides of

> > the last layer. On one of the sides, the two last layer corners

> will be

> > matching in colour. Hold those two corners on the back side and

> >

corners

> > R'FR' B2 RF'R' B2 R2

> >

> > Now the corners should be solved. If you don't find any two

> that

If

> > match, apply the above algorithm and that should result in a

> position

> > where two corners match. Don't worry, this case rarely happens.

> you

the

> > want, you can learn a special algorithm for that case by picking

> > most attractive one from:

a 3

> >

> > http://www.ws.binghamton.edu/fridrich/Mike/permute.html

> >

> > The "Y" pattern on that page has the desired corner effect.

> >

> > Next, permute the edges. Again, most of the time, there will be

> > cycle of edges. You need to learn to cycle the edges forwards and

That's

> > backwards:

> >

> > - R2U FB'R2F'BU R2

> > - R2U'FB'R2F'BU'R2

> >

> > Sometimes, all 4 edges need to be swapped in opposite pairs.

> an

algorithms

> > easy case, so why not learn it:

> >

> > RLU2R'L' [U] R'L'U2RL

> >

> > The [U] means rotate the whole cube from the up side, 90 degrees.

> >

> > There's also a rare case where all 4 edges need to be swapped in

> > adjacent pairs. The algorithm's difficult so it's not worth

> learning.

> >

> > INTERMEDIATE METHOD

> >

> > First, orient everything like the beginner method. Then permute

> > everything like the full blown Fridrich method.

> >

> > How can you learn all the permutations? See my previous email:

> >

> > c

> >

> > There, I list which algorithms to learn first, and which

> to

orientation

> > learn last.

> >

> > ADVANCED METHOD

> >

> > You already know enough! It is not necessary to learn 40

> > algorithms. 6 is enough. Gilles Roux proved that it is possible

to

> > achieve sub-20 times with just these 6 orientation algorithms

and 13

> > permutation algorithms. He used the petrus method for the first

two

> > layers which gives you a cross automatically when you get to the

are

> last

> > layer. Using that strategy, those extra orientation algorithms

> not

> > needed.

> >

> > Ryan