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  Topic: Varients
wapati

Replies: 1
Views: 4961

PostForum: Other puzzles   Posted: Fri Aug 30, 2013 4:52 am   Subject: Variants
http://nrich.maths.org/public/search.php?search=sudoku

I found it. It is Henry Kwok who makes these.
  Topic: Varients
wapati

Replies: 1
Views: 4961

PostForum: Other puzzles   Posted: Tue Aug 27, 2013 1:55 pm   Subject: Varients
A link was posted long ago.

My computer died not long after.

There is a person that makes "only" varients.

Mostly regular cage but odd rules.
Anyone help me find his site?

Thank ...
  Topic: Challenge Puzzle: Andrew Stuart, posted by JC van Hay
wapati

Replies: 1
Views: 4865

PostForum: Other puzzles   Posted: Sat Mar 23, 2013 4:25 am   Subject: owwie
I dropped this into a solver.

It solved it, but not without "guesses".

Plus, the 2 guesses were in the first 4 steps.

Really ugly puzzle!
  Topic: This has a swordfish, early. You can bypass it, of course
wapati

Replies: 2
Views: 11286

PostForum: Other puzzles   Posted: Sun Dec 23, 2012 7:22 pm   Subject: This has a swordfish, early. You can bypass it, of course
..8.2.3....26.4....4...9.621.43.......7...4.......89.376.5...8....2.71....3.4.5..


. . 8|. 2 .|3 . .
. . 2|6 . 4|. . .
. 4 .|. . 9|. 6 2
-----+-----+-----
1 . 4|3 . .|. . .
. . 7|. . .|4 . . ...
  Topic: Happy to you!
wapati

Replies: 2
Views: 8171

PostForum: General discussion   Posted: Sun Dec 23, 2012 7:08 pm   Subject: Happy to you!
Hi, everyone.

I have had a rough two-three years but am finally getting back to normal.

My wife of 37 years was diagnosed with cancer 3 years ago and did not get much more than pain relief. I ...
  Topic: Numerical phenomena for each row and column
wapati

Replies: 15
Views: 23351

PostForum: General discussion   Posted: Sun Jun 26, 2011 4:05 pm   Subject: Numerical phenomena for each row and column
nope, i have not looked at finished puzzles much. Interesting idea. it may suggest a solving method? Bigger brains may provide insight. I suspect it is already covered.
  Topic: Twisty
wapati

Replies: 4
Views: 5446

PostForum: Other puzzles   Posted: Mon Apr 18, 2011 1:54 am   Subject: Twisty
This one has a long path, for me.

. . 1|. . .|. 5 4
. . .|. . 8|. . 9
9 . .|4 . .|. 2 7
-----+-----+-----
. . .|. . 3|6 1 .
. . .|. 8 .|. . .
. 5 4|1 . .|. . .
-----+-----+-----
5 9 .|. . ...
  Topic: More UR goodies?
wapati

Replies: 10
Views: 9641

PostForum: Other puzzles   Posted: Fri Mar 25, 2011 6:19 pm   Subject: More UR goodies?
For those who don't see the distinction, using a UR to set one cell doesn't always get all the eliminations. If you use the UR to remove all the candidates indicated you may well shorten your solvin ...
  Topic: competitions - 3/18/11 and 3/20/11
wapati

Replies: 5
Views: 6266

PostForum: Other puzzles   Posted: Fri Mar 25, 2011 5:37 pm   Subject: competitions - 3/18/11 and 3/20/11
I had seen this mentioned before, probably by you (elsewhere), and didn't get the point at that time. The eliminations are more important.
It is a sort of caveat emptor, where if you take the & ...
  Topic: Good puzzle, I used Hoduko to generate.
wapati

Replies: 4
Views: 5614

PostForum: Other puzzles   Posted: Sun Mar 13, 2011 11:13 pm   Subject: Good puzzle, I used Hoduko to generate.
3 . .|. . .|9 . 2
. 5 .|3 . .|7 . .
. . 7|4 . 2|. . .
-----+-----+-----
. . .|8 . .|3 . .
. . .|5 2 3|. . .
. . 8|. . 1|. . .
-----+-----+-----
. . .|7 . 4|6 . .
. . 9|. . 6|. 4 .
1 . 4|. . ...
  Topic: Interesting puzzle, though easy enough.
wapati

Replies: 2
Views: 4620

PostForum: Other puzzles   Posted: Fri Mar 11, 2011 8:35 pm   Subject: Interesting puzzle, though easy enough.
I liked this one as there are many patterns available after the simple stuff. Smile


. . .|8 . .|. . 6
. . 1|. 3 .|. 7 .
8 . .|5 . .|. 9 3
-----+-----+-----
1 8 .|. . .|. . .
. 4 .|. 6 .|. 1 . ...
  Topic: A VH+
wapati

Replies: 7
Views: 6543

PostForum: Other puzzles   Posted: Wed Feb 23, 2011 9:37 pm   Subject: A VH+
When I play puzzles other than what gets posted here, I usually play Vanhegans. Normally, I'd like to play more Menneskes, but I tend to avoid them because they're so hard to replace, i.e., it takes a ...
  Topic: Unique Rectangles
wapati

Replies: 38
Views: 83702

PostForum: Solving techniques, and terminology   Posted: Wed Feb 16, 2011 2:06 am   Subject: Unique Rectangles
On the other hand, if a puzzle has multiple solutions, making a selection of a value in an unsolved cell can change its number of solutions, or make it invalid with no solutions.
Thought that's what ...
  Topic: A bit tough.
wapati

Replies: 3
Views: 4616

PostForum: Other puzzles   Posted: Tue Feb 01, 2011 5:37 am   Subject: A bit tough.
I was fooling around with hudoku and got this fun one.

7 4 .|. . .|. . .
. . .|8 . 5|. . .
. . 9|. 3 .|. 6 .
-----+-----+-----
6 8 .|. . 1|7 . 3
3 . 2|. 5 .|1 . 6
9 . 1|3 . .|. 2 8
-----+--- ...
  Topic: Knotty Puzzle.
wapati

Replies: 10
Views: 8944

PostForum: Other puzzles   Posted: Fri Dec 10, 2010 4:20 pm   Subject: Knotty Puzzle.
This one has a lot of stuff going on.
I know I have a program that will check for backdoors but I can't find it/remember which. Anyways, Carcul convinced me that most all puzzles may have at least ...
  Topic: Special KRAMPUS edition
wapati

Replies: 6
Views: 6499

PostForum: Other puzzles   Posted: Thu Dec 09, 2010 4:36 am   Subject: Special KRAMPUS edition
hobiwan lists this pattern separately under both names. I like the moniker "Death Blossom" better. Perhaps most people don't? Smile
  Topic: Special KRAMPUS edition
wapati

Replies: 6
Views: 6499

PostForum: Other puzzles   Posted: Wed Dec 08, 2010 4:57 pm   Subject: Special KRAMPUS edition
That last puzzle, 1645, has a nice Death Blossom which can turn it into a 2 stepper. (skyscraper)

The horizontal cells marked @ form an almost locked set.
Ditto for the cells marked #.

The on ...
  Topic: Law of Leftovers - Request for Help
wapati

Replies: 4
Views: 23346

PostForum: Daily Sudoku Squiggly puzzles   Posted: Tue Nov 02, 2010 10:10 pm   Subject: Law of Leftovers - Request for Help
I'm with Pat, show us a stage were you are stuck.
Very Happy
  Topic: will pay $50 to solve 16x16 puzzle
wapati

Replies: 6
Views: 8141

PostForum: Other puzzles   Posted: Fri Sep 17, 2010 7:29 am   Subject: will pay $50 to solve 16x16 puzzle

more than one answer -- always the danger with puzzles from an unknown source

Or none! Smile
  Topic: will pay $50 to solve 16x16 puzzle
wapati

Replies: 6
Views: 8141

PostForum: Other puzzles   Posted: Wed Sep 15, 2010 4:15 am   Subject: will pay $50 to solve 16x16 puzzle
I entered it into a solver.
This is the text "export" of what I put in.


6..4B.....CA....
...D.C3..9.G4.B5
..B..E.9.....G..
..F..A.4E6.8...1
..5A....7..1..6D
F..6.7.AB.......
...1 ...
 
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