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new 3 pattern (?)
mathmaniac
Kwon-Tom Obsessive
Puzzles: 1198
Best Total: 20m 57s
Posted - 2006.05.28 15:28:16
This is a new pattern that I found.



I'm not sure if anyone's seen this before but 1 line can be deduced from this. If you've already seen it then tell me. I feel proud for finding a new pattern.
foilman
Kwon-Tom Admin
Puzzles: 1718
Best Total: 24m 8s
Posted - 2006.05.28 18:00:49
I indeed use that one myself... but I've not seen it posted on here, so well done for being first on that!  In fact... that's one of the patterns that my puzzle creator uses when it's checking to see how solvable a given puzzle is...
matth314
Kwon-Tom Obsessive
Puzzles: 2431
Best Total: 16m 52s
Posted - 2006.05.28 20:20:31
I use that one also. I actually used it a few times on today's puzzle.
mathmaniac
Kwon-Tom Obsessive
Puzzles: 1198
Best Total: 20m 57s
Posted - 2006.05.29 12:24:15
Here are some more I thought I mignt mention. This is normally found in corners but would work anywhere. Whenever I find this pattern it helps me a great deal.



6 lines 2 x's

Another very helpful one that I use often and once again this is normally found in corners but would work anywhere.



Using a few simpler strategies you can deduce 5 lines and 8 x's from this.

This pattern is kind of hard to illustrate but I have used it several times recently. The semi-loop can represent any form of semi-loop.



aside from the normal x's to cancel 3-ways you can deduce 2 x's from this.

If you guys have any more strategies up your sleeve that you've been using recently feel free to share!
Last edited by mathmaniac - 2006.05.29 13:57:23
mathmaniac
Kwon-Tom Obsessive
Puzzles: 1198
Best Total: 20m 57s
Posted - 2006.05.30 15:08:55
I have been going back through the archives and have seen this pattern in the corners alot.

7 lines and 3 x's can be deduced from this.

foilman
Kwon-Tom Admin
Puzzles: 1718
Best Total: 24m 8s
Posted - 2006.05.30 15:13:43
I think that's the same pattern posted in this thread ... in which case it's only 4 lines and 1 cross, isn't it?
astrokath
Kwon-Tom Obsessive
Puzzles: 3093
Best Total: 13m 42s
Posted - 2006.05.30 15:57:53
Yes.

Unless there are some puzzle edges implied by that picture, in which case there could be more.

Thinking about that, I have a question for you, Foilman.

Would it be possible to add an "edge" feature to the "include puzzle" option?  Perhaps something that looks like the border on the daily puzzles, that could be toggled on or off for each side?  Or would that be too tricky?
foilman
Kwon-Tom Admin
Puzzles: 1718
Best Total: 24m 8s
Posted - 2006.05.30 16:03:48
Quote:
Originally Posted by astrokath
Would it be possible to add an "edge" feature to the "include puzzle" option?  Perhaps something that looks like the border on the daily puzzles, that could be toggled on or off for each side?  Or would that be too tricky?
It's been suggested before... who knows, I might just do it one day!
mathmaniac
Kwon-Tom Obsessive
Puzzles: 1198
Best Total: 20m 57s
Posted - 2006.05.30 20:27:24
Make that 8 lines and 4 x's. And yes I was implying a corner.

drnull
Kwon-Tom Obsessive
Puzzles: 901
Best Total: 23m 25s
Posted - 2006.05.30 21:22:31
Quote:
Originally Posted by mathmaniac
Make that 8 lines and 4 x's. And yes I was implying a corner.
odd... seems like

would be valid too. 
mathmaniac
Kwon-Tom Obsessive
Puzzles: 1198
Best Total: 20m 57s
Posted - 2006.05.30 22:19:47
thanks. Missed that one!
prj
Kwon-Tom Obsessive
Puzzles: 2356
Best Total: 18m 20s
Posted - 2006.05.31 00:16:52
Here's another one I see on occasion that yields 3 x's:
mathmaniac
Kwon-Tom Obsessive
Puzzles: 1198
Best Total: 20m 57s
Posted - 2006.05.31 02:20:18
right you are!
mathmaniac
Kwon-Tom Obsessive
Puzzles: 1198
Best Total: 20m 57s
Posted - 2006.06.09 19:04:10
Another one I saw today is here. you get one x from this.
matth314
Kwon-Tom Obsessive
Puzzles: 2431
Best Total: 16m 52s
Posted - 2006.06.09 21:20:25
You don't really need the line though, just the other x's.

mathmaniac
Kwon-Tom Obsessive
Puzzles: 1198
Best Total: 20m 57s
Posted - 2006.06.09 22:04:58
I hadn't thought of that. What I showed you is how it appeared to me. I didn't think about taking out the line.

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