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 Post subject: Re: Professor Pyraminx HelpPosted: Wed Aug 17, 2011 2:12 am

Joined: Thu Sep 24, 2009 12:21 pm
Location: Chichester, England
The Professor Pyraminx can be reduced into a Pyraminx... Well, a shallow cut Pyraminx, but solving it is identical. And yes, the Royal Pyraminx can be reduced into a Pyraminx.

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3x3x3 single: 5.73 seconds.
3x3x3 average of five: 8.92 seconds.
3x3x3 average of twelve: 9.77 seconds.

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 Post subject: Re: Professor Pyraminx HelpPosted: Mon Sep 05, 2011 6:05 am

Joined: Thu Apr 07, 2011 8:55 am
Location: Trieste, IT
Hi everybody..
Today I tried to solve my Prof Pyraminx.. i almost completed the edge grouping, but I came across this situation:

Attachment:

profpyr_swap.png [ 175.34 KiB | Viewed 1237 times ]

I tried and tried but I wasn't able to swap those 2 pieces.

Does anyone have a solution for that?

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 Post subject: Re: Professor Pyraminx HelpPosted: Mon Sep 05, 2011 8:47 am

Joined: Thu Dec 31, 2009 8:54 pm
Location: Bay Area, California
ZooLeaN wrote:
Hi everybody..
Today I tried to solve my Prof Pyraminx.. i almost completed the edge grouping, but I came across this situation:

Attachment:
profpyr_swap.png

I tried and tried but I wasn't able to swap those 2 pieces.

Does anyone have a solution for that?

You need to look at that situation slightly differently. Assume that the yellow-blue and the blue-green middle edge are correct and solve all the edge-wings to them. Instead of needing to swap two middle centers (which can't be done) you need to swap two pairs of edge-wings. You can do it in two 3-cycles.

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Prior to using my real name I posted under the account named bmenrigh.

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 Post subject: Re: Professor Pyraminx HelpPosted: Mon Sep 05, 2011 4:55 pm

Joined: Thu Apr 07, 2011 8:55 am
Location: Trieste, IT
bmenrigh wrote:
ZooLeaN wrote:
Hi everybody..
Today I tried to solve my Prof Pyraminx.. i almost completed the edge grouping, but I came across this situation:

Attachment:
profpyr_swap.png

I tried and tried but I wasn't able to swap those 2 pieces.

Does anyone have a solution for that?

You need to look at that situation slightly differently. Assume that the yellow-blue and the blue-green middle edge are correct and solve all the edge-wings to them. Instead of needing to swap two middle centers (which can't be done) you need to swap two pairs of edge-wings. You can do it in two 3-cycles.

Thank you, with that little tip I was able to complete the solve.

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 Post subject: Re: Professor Pyraminx HelpPosted: Tue Sep 06, 2011 5:19 am

Joined: Thu Sep 17, 2009 6:07 am
Location: Germany, Bavaria
ZooLeaN wrote:
...
Thank you, with that little tip I was able to complete the solve.
With a little bit of searching effort you could have found the answer to your question in several posts of this very thread (e.g. in bmenrigh's post from Aust 15th)

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 Post subject: Re: Professor Pyraminx HelpPosted: Wed Sep 07, 2011 3:43 pm

Joined: Thu Apr 07, 2011 8:55 am
Location: Trieste, IT
Konrad wrote:
ZooLeaN wrote:
...
Thank you, with that little tip I was able to complete the solve.
With a little bit of searching effort you could have found the answer to your question in several posts of this very thread (e.g. in bmenrigh's post from Aust 15th)

yeah thanks, I noticed those posts right after clicking "Submit"... my bad

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 Post subject: Re: Professor Pyraminx HelpPosted: Sat Sep 17, 2011 7:46 pm

Joined: Wed Jun 22, 2011 4:57 pm
Location: The land of dreams, coincedentally located in Alberta
I got mine about a week ago, and I solved it without any guides (except for the 3-center swap guide in this thread)!

So, here's my method:
- Pair three edges.
- Arrange the three edges so that they make up one face - it doesn't need to be solved.
- Pair the other three edges by flipping one edge at a time, then turning it at the appropriate depth.
- Solve the centers. It's a bit inconvenient doing these after the edges are paired...
- Solve as Jing's Pyraminx (which I did figure out quickly, including the center-swap), use appropriate parity techniques.

_________________
3x3x3 PB: 38.9 seconds
Well, I accumulated puzzles without even trying this Christmas. Whoops.
(Bermuda 8 planets, Rex Cube, Master Skewb, London Natural History Museum keychain 2x2x2, Impossiball)

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 Post subject: Re: Professor Pyraminx HelpPosted: Thu Sep 29, 2011 5:22 am

Joined: Thu Sep 17, 2009 6:07 am
Location: Germany, Bavaria
BUMP
I have posted this on this other thread:
viewtopic.php?f=1&p=266876
Maybe, I can find here two or three volunteers as proof readers?
Especially looking at my solution (reduction to Jing's Pyraminx) would be helpful.
My English is getting checked, already.
Konrad wrote:
BUMP
I have made the tutorial I had been talking about in the previous post.
If you want to contribute something, you can contact me via PM and you would get two links, for a Word 2007 file and an identical pdf file. Be warned, though, that the document has (due to many pictures) 25 pages.
Some updates on my project
Konrad wrote:
katsmom wrote:
...He's also looking for a written solution for the Professor Pyraminx. Has anyone written one of those?
....I believe that writing a good tutorial for the naive reader
I mean the "not so experienced twisty puzzler"
Konrad wrote:
(I assume that Uwe is looking for this) is some challenge and a lot of effort.
...
If really nobody else is volunteering, I could start something, but I cannot promise anything, when I will be able to finish it.
Ready for review, September 27th
Konrad wrote:

Here are a few guide lines, how I would do it:
- I would describe a reduction method, where the Professor Pyraminx is reduced to a Halpern-Meier tetrahedron (Jing's Pyraminx). I would not describe this last part, besides the situation where you need a 3-cycle of centres.
I have included the Jing's Pyraminx part as well.
Konrad wrote:
...
- I would use photos and Gelatinbrain 5.1.10 producing pictures and diagrams
I have not used Gelatinbrain, because I wanted less confusing diagrams, showing unimportant pieces (do not care at the current stage) in grey colour. Therefore, I have used Coreldraw a lot and that can have caused errors.
Konrad wrote:
...- I would use Word 2007 to combine text and pictures. The final result would be a downloadable pdf document. An html could be produced with additional effort.
A review would be easiest in Word "track changes" mode.
Konrad wrote:
...- I would introduce a notation for face and vertex moves and provide picture sequences for important move sequences (bhearn, if you read this, you see that I try to avoid the word "algorithm" )I would post a proposal for this notation here and listen to your feedback.
This is my try getting feedback.
Konrad wrote:
- I would introduce names for all seven piece types and again, I would post a proposal for these names here and listen to your feedback....

First of all, Rox and Geert, please check with Uwe, if he can wait for another two months or so.
I have not heard from Uwe, if he is interested, but I want to finish the tutorial in a decent quality, in any case.

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My collection at: http://sites.google.com/site/twistykon/home

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 Post subject: Re: Professor Pyraminx HelpPosted: Mon Oct 03, 2011 3:40 pm

Joined: Thu Sep 17, 2009 6:07 am
Location: Germany, Bavaria
BUMP
You can download my Professor Pyraminx tutorial

Thanks to bmenrigh and Burgo for your great reviews!

Please, remember that the target audience is the not so experienced puzzler.

Anyway, I want to bring it to your attention that it exists.

_________________
My collection at: http://sites.google.com/site/twistykon/home

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 Post subject: Re: Professor Pyraminx HelpPosted: Thu Oct 20, 2011 4:37 pm

Joined: Sun Oct 02, 2011 4:54 pm
Location: United States
Professor Pyraminx Tutorial

I found this to be the best video tutorial out there. He also does tutorials for the morphinx puzzles all the way through 7x7.

_________________
-Thomas

Quote:
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Pyraminx PB: 9.42 secs
3x3 PB: 34.77 secs

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