2-gen contest

Oh.

Average: 18.59 sec.
Individual Times: (30.41), 15.81, 22.50 (+2), 17.80, 18.23, 21.75, 10.86, (09.00), 26.05, 22.14, 20.73 (+2), 10.02

The 9.00 and 10.02 were PLL skips. I'm so cold right now so everything was a bit slow. Also, I kept on getting damn anti-Sune's which I hate, and of course I realise that I am left hand dominant now so that didn't help either.
 
Average: 09.25 seconds
Individual Times: 08.06, 07.09, 07.27, 10.94, 08.66, 10.08, 08.17, (13.24), 10.14, 10.03, (05.89), 12.11
 
Last edited by a moderator:
7:27.08, DNF, DNF, DNF, DNF, DNF, DNF, DNF, DNF, 1:56.00, DNF, DNF

BLD of course. Oh my god that was crap. I used to practice this a lot, and clearly I am extremely out of practice. Stupid undoing of setup turns :-P Man I gotta start practicing this again, that was almost insulting. At least 1:56.00 is my new pb fastest time though, that is one saving grace ;-)

--edit--
12.05, 12.08, 13.50, 13.18, 11.19, 15.01, 11.51, 13.63, 19.06, 9.22, (19.35), (6.92) = 13.04
--edit--

Chris
 
Last edited:
cmhardw said:
BLD of course. Oh my god that was crap. I used to practice this a lot, and clearly I am extremely out of practice.
Chris
Click to expand...
As soon as I had seen you were the last person to post this in the thread, it reminded me of you, Stefan and me talking about this in Budapest! I _still_ havn't tried it!
 
In 1981 I wrote an article about 2-gen for a book.
The book was never published.
The system I proposed was worse than I can now think of:
- solve RD (intuitively)
- solve bottom corners (intuitively)
- solve top corners (OLL algorithms)
- solve FR BR edges (algorithms in 2 steps)
- solve LL edges (PLL algorithms)
I think I averaged 12 seconds for that system.

Have fun,

Ron
 
Last edited:
joey said:
cmhardw said:
BLD of course. Oh my god that was crap. I used to practice this a lot, and clearly I am extremely out of practice.
Chris
Click to expand...
As soon as I had seen you were the last person to post this in the thread, it reminded me of you, Stefan and me talking about this in Budapest! I _still_ havn't tried it!
Click to expand...

Hey Joey,

Actually, when I saw this thread the first thing I thought about was you, me, and Stefan talking about 2-gen BLD in Budapest :-)

I just tried 2 solves this morning, both successful. I got 3:16.91 and 4:17.75., which is probably close to my average right now. I use a mix of speed-BLD style and (RUR'U')*3 to solve corners. I track what happens to orientation during the solving of corners and solve it after. Then I track the edge permutation during the corner moves and solve those. Basically the bulk of my time is memorization, the actual solving phase might take 30 seconds or less for me most solves. I feel like this must be a terrible BLD method, but I don't know many corner move algs in 2-gen that preserve orientation, otherwise I would just use orient first and then permute.

The only alg I know for corners that permutes without affecting orientation is ridiculously long: (RUR'U')*3 U R' U2 R U R' U R U2 R U2 R' U' R U' R' U (and yes there is a move cancellation in the middle)

I'm tempted to get out ACube and find some nice algs to allow me to do orient first then permute to some extent for the corners. That would certainly speed up memo quite a bit.

And I recommend to try it! It's a whole different BLD experience, and quite fun!

Chris
 
I didn't have the energy to do the scrambles but I made up a nice method for 2-gen solving:

1, build the two pairs but newer mind where you place them at first.
2, compleate F2L ... place RD and the two pairs
3, OLLC
4, EPLL

The method I also recomend for Petrus users, you save truns from building both pairs before the RD edge and any pair is placed.

:)
 
20.98, 26.56, 18.71, 17.31, 18.92. (27.29), 20.96, 23.56, 20.39, 18.23, 20.64, (13.93)

Average - 20.92.

Wow, I'm slow. o-o
 
Now I'm disappointed. I was sure you'd figure this out. Fine, I'll explain.

You applied my alg to a solved cube, saw it didn't keep the UD stickers on the UD sides, and concluded it didn't preserve orientation. You asked about it and I replied I know and didn't take it back, instead calling you more stuck than Chris. Guys, you know I love you and don't just mock you for no good reason. That was a hint! Geez.

If you and I disagree about preservation of orientation of a certain alg, then obviously we're talking about different definitions of orientation. I'm simply talking about orientation keeping the FB stickers on the FB sides. Instead of your UD version.

This is btw part of what I meant with "obsessed with a messed up understanding of orientation" in another thread recently. I meant that mostly for newbs and intermediates, but apparently the experts have trouble thinking outside the box, too.
 
StefanPochmann said:
Now I'm disappointed. I was sure you'd figure this out. Fine, I'll explain.

You applied my alg to a solved cube, saw it didn't keep the UD stickers on the UD sides, and concluded it didn't preserve orientation. You asked about it and I replied I know and didn't take it back, instead calling you more stuck than Chris. Guys, you know I love you and don't just mock you for no good reason. That was a hint! Geez.

If you and I disagree about preservation of orientation of a certain alg, then obviously we're talking about different definitions of orientation. I'm simply talking about orientation keeping the FB stickers on the FB sides. Instead of your UD version.

This is btw part of what I meant with "obsessed with a messed up understanding of orientation" in another thread recently. I meant that mostly for newbs and intermediates, but apparently the experts have trouble thinking outside the box, too.
Click to expand...

But how would that algo help in 2-gen BLD solving? Well it is 2-gen but neither of the 2 sides being turned are the U face if you're preserving U/D sticker orientation.
 
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