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 Post subject: puzzle classification and difficulty level
PostPosted: Sun Dec 20, 2009 11:42 am 
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Joined: Mon Oct 08, 2007 9:41 am
Location: China
各位好,我向大家介绍下中国魔方爱好者对魔方分类及难度等级的定义,这方法只适合一部份的魔方。

分类是用“轴”。轴:是指中心块不移动情况下有几个旋转轴方向。
难度等级是用“阶”。阶:是指两旋转层相交的块数。

这“阶”的定义对设计新式的魔方是有帮助的。

6轴魔方:


Attachments:
6轴魔方.JPG
6轴魔方.JPG [ 104.72 KiB | Viewed 4931 times ]

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Last edited by Daqing Bao on Sun Dec 20, 2009 11:51 am, edited 1 time in total.
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 Post subject: Re: puzzle classification and difficulty level
PostPosted: Sun Dec 20, 2009 11:43 am 
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Joined: Mon Oct 08, 2007 9:41 am
Location: China
12轴魔方:


Attachments:
12轴1.JPG
12轴1.JPG [ 79.6 KiB | Viewed 4931 times ]
12轴2.JPG
12轴2.JPG [ 109.25 KiB | Viewed 4931 times ]

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 Post subject: Re: puzzle classification and difficulty level
PostPosted: Sun Dec 20, 2009 11:45 am 
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Joined: Mon Oct 08, 2007 9:41 am
Location: China
4轴魔方:

Attachment:
4轴1.JPG
4轴1.JPG [ 79.47 KiB | Viewed 4931 times ]


Attachment:
4轴2.JPG
4轴2.JPG [ 69.45 KiB | Viewed 4931 times ]


Attachment:
4轴3.JPG
4轴3.JPG [ 76.31 KiB | Viewed 4931 times ]

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Last edited by Daqing Bao on Sun Dec 20, 2009 11:55 am, edited 1 time in total.

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 Post subject: Re: puzzle classification and difficulty level
PostPosted: Sun Dec 20, 2009 11:46 am 
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Joined: Mon Oct 08, 2007 9:41 am
Location: China
隐藏中块的4轴偶阶魔方:


Attachments:
4轴4阶.JPG
4轴4阶.JPG [ 69.91 KiB | Viewed 4932 times ]
4轴6阶.JPG
4轴6阶.JPG [ 76.53 KiB | Viewed 4931 times ]

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 Post subject: Re: puzzle classification and difficulty level
PostPosted: Sun Dec 20, 2009 11:47 am 
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Joined: Mon Oct 08, 2007 9:41 am
Location: China
1阶转面魔方与1阶转角魔方的对比


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1阶魔方对比.JPG
1阶魔方对比.JPG [ 75.91 KiB | Viewed 4937 times ]

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 Post subject: Re: puzzle classification and difficulty level
PostPosted: Tue Dec 22, 2009 10:06 am 
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Joined: Mon Apr 03, 2006 10:38 am
Location: Connecticut
Any additional information available about the edges-only dodecahedron?
Who built it? URL?

Thanks...

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 Post subject: Re: puzzle classification and difficulty level
PostPosted: Tue Dec 22, 2009 10:18 am 
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Joined: Sat Jul 11, 2009 6:20 am
Nice post, you will post more.. :shock:


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 Post subject: Re: puzzle classification and difficulty level
PostPosted: Thu Jul 14, 2011 12:39 pm 
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Joined: Mon May 25, 2009 2:03 am
Location: Santa Cruz, CA
Rob wrote:
Any additional information available about the edges-only dodecahedron?
Who built it? URL?

Thanks...


Daqing Bao made one.

http://bbs.mf8.com.cn/viewthread.php?tid=5191

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 Post subject: Re: puzzle classification and difficulty level
PostPosted: Thu Jul 14, 2011 1:24 pm 
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Joined: Sat Oct 17, 2009 7:44 am
Location: In Rubik's World!
Daqing Bao wrote:
各位好,我向大家介绍下中国魔方爱好者对魔方分类及难度等级的定义,这方法只适合一部份的魔方。

分类是用“轴”。轴:是指中心块不移动情况下有几个旋转轴方向。
难度等级是用“阶”。阶:是指两旋转层相交的块数。

这“阶”的定义对设计新式的魔方是有帮助的。

6轴魔方:

Hello everyone, I present you the way how China cubers classify cubes and level of difficulty, this method could only be applied at certain types of cubes.

"Axis" is the classification. Axis: how many directions of rotation when the center stays in position.
"Rank(?)" is the level of difficulty. Rank: number of pieces intersect between two rotating layers.

This "Rank" classification helps designing new cubes.

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