How short can 2x2 optimal scrambles get!

[ianini]

Session average: 5.55
1. (6.91) U' F R' U' R2 F U'
2. 5.80 F2 U' F2 R F R' F2 R2 U'
3. 5.34 F' U F U2 F U2 R' F U2
4. (1.11) F U2 R
5. 5.50 R F' R' F2 R U2 R F2 U2
I got this from qqTimer. I think this is the shortest 2x2 scramble ever.
Edit: I'm sorry for the sub-forum. I'd rather be safe than sorry.

 

[lilkdub503]

That scramble is actually pretty good as a random scramble. Only a skip if you know exactly what you are doing.

 

[Carrot]

I have had this scramble: R U2 =) that's only two moves ;D

 

[Zane_C]

Moves: Positions:
0 1
1 9
2 54
3 321
4 1847
5 9992
6 50136
7 227536
8 870072
9 1887748
10 623800
11 2644

This is using the half turn metric by the way.
From this table you can see that most positions on a 2x2x2 cube need a maximum of 10 moves to get to. That's why scrambles can be so short.

 

[blah]

Moves: Positions:
0 1
1 9
2 54
3 321
4 1847
5 9992
6 50136
7 227536
8 870072
9 1887748
10 623800
11 2644

This is using the half turn metric by the way.
From this table you can see that most positions on a 2x2x2 cube need a maximum of 10 moves to get to. That's why scrambles can be so short.

False.

 

[Zane_C]

Moves: Positions:
0 1
1 9
2 54
3 321
4 1847
5 9992
6 50136
7 227536
8 870072
9 1887748
10 623800
11 2644

This is using the half turn metric by the way.
From this table you can see that most positions on a 2x2x2 cube need a maximum of 10 moves to get to. That's why scrambles can be so short.

False.

Really? how so?

 

[Lucas Garron]

I think this is the shortest 2x2 scramble ever.
Edit: I'm sorry for the sub-forum.

Uh, no. But to answer your question: 0 moves or 1 move, depending on your definition.

 

[Yes We Can!]

doesn't optimal only mean, that the cube can't be solved with less moves than the scramble?
so then a one move scramble would be otpimal as well.