Author |
Message |
Topic: BUG Removal Theory Question |
fanya
Replies: 7
Views: 57331
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Forum: General discussion Posted: Tue Aug 01, 2006 5:50 am Subject: Ah! B.U.G.s |
Thanks DB! These pointers were very helpful. One could spend a lifetime on these finer points.
Fanya ________ [URL=http://www.vaporshop.com/solo-vaporizer.html]vaporite solo |
Topic: BUG Removal Theory Question |
fanya
Replies: 7
Views: 57331
|
Forum: General discussion Posted: Fri Jul 28, 2006 3:10 pm Subject: bugs? |
Sorry to be a pest, but...
Could someone please explain what a BUG is? Or Matt, give a pointer to where you found the archived discussion of Jeff's and Myth Jellie's?
I'm having trouble keeping tra ... |
Topic: July 25 Very Hard |
fanya
Replies: 10
Views: 56622
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Forum: Daily Sudoku puzzles Posted: Wed Jul 26, 2006 9:31 pm Subject: Clement's comment |
I was going to point this out before ravel's reply.
As I see it row 4 looks like this at the stage where 42 cells are filled:
#=======================#=======================#======================= ... |
Topic: July 25 Very Hard |
fanya
Replies: 10
Views: 56622
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Forum: Daily Sudoku puzzles Posted: Wed Jul 26, 2006 9:21 pm Subject: ravel |
Ravel wrote: In box 7 the 7 must be in row 9 (r9c1 or r9c3), therefore it cannot be in r9c5. This leaves only r5c1 for a 7 in column 5.
Ravel, thanks for the help. I got so exhausted trying to find ... |
Topic: July 25 Very Hard |
fanya
Replies: 10
Views: 56622
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Forum: Daily Sudoku puzzles Posted: Wed Jul 26, 2006 1:07 pm Subject: 43rd cell entry |
Ok, I'm getting pretty good with the hard puzzles, but I'm stumped with this one. I got the x-wing with the 4's. And a few hidden pairs. BUT
Why is the 43rd entry using "hint" a 7 in row ... |
Topic: V Hard puzzles |
fanya
Replies: 8
Views: 63648
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Forum: Daily Sudoku puzzles Posted: Tue Jul 25, 2006 1:06 am Subject: what I was calling row and column blocking and capture |
Ok, what I was calling "row and column blocking and capture" is called [url=http://www.sudocue.net/guide.php#lockedcandidates]locked candidates by SudoCue.net. They are also called "po ... |
Topic: V Hard puzzles |
fanya
Replies: 8
Views: 63648
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Forum: Daily Sudoku puzzles Posted: Mon Jul 24, 2006 11:55 pm Subject: well that explains it then |
Re: choke point
I've been playing Daily Sudoku since around April. And I've been noticing, for myself, that I can do all the puzzles with forward logic except the very hard ones. For those, I've ha ... |
Topic: V Hard puzzles |
fanya
Replies: 8
Views: 63648
|
Forum: Daily Sudoku puzzles Posted: Mon Jul 24, 2006 10:31 pm Subject: choke points |
A couple of people have mentioned "choke points" for evalutating the difficulty of sudoku puzzles. Could someone explain what a choke point is? Or post a link to an explanation? Thanks.
F ... |
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