dailysudoku.com Forum Index dailysudoku.com
Discussion of Daily Sudoku puzzles
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

Search found 10 matches
dailysudoku.com Forum Index
Author Message
  Topic: Squiggly 2 August 2007 Is this impossible?
WorldO

Replies: 7
Views: 41769

PostForum: Daily Sudoku Squiggly puzzles   Posted: Fri Jul 03, 2020 10:52 am   Subject: Squiggly 2 August 2007 Is this impossible?
Thanks for your reply, Steve, but I'm afraid I don't understand any of it!

Firstly the 79 pair in r78c4 is not an exclusive pair as the 7 is possible in r8c2 and r9c1 in box 7, and r9c4 in column 4 ...
  Topic: June 19 Monster
WorldO

Replies: 5
Views: 28579

PostForum: Daily Sudoku Monster puzzles   Posted: Fri Jul 03, 2020 10:49 am   Subject: June 19 Monster
Thanks for your reply, Steve, but I'm afraid I don't understand any of it!

Firstly the 79 pair in r78c4 is not an exclusive pair as the 7 is possible in r8c2 and r9c1 in box 7, and r9c4 in column 4 ...
  Topic: Puzzle 11/08/24: ~ Advanced (BBDB?)
WorldO

Replies: 6
Views: 21393

PostForum: Puzzles by daj   Posted: Wed Jun 24, 2020 11:49 am   Subject: Puzzle 11/08/24: ~ Advanced (BBDB?)
I finally found some time for Sudoku. Very Happy
Two solutions; one stepper and two stepper.

check: [url=https://play.google.com/store/apps/details?id=com.kitegames.slideshow.maker&hl=en_US]Sl ...
  Topic: Puzzle 11/08/13: ~ Advanced (BBDB?)
WorldO

Replies: 6
Views: 22648

PostForum: Puzzles by daj   Posted: Mon Jun 22, 2020 9:25 am   Subject: Puzzle 11/08/13: ~ Advanced (BBDB?)
I do apologize for the shorthand and cryptic notation. I'll rethink that practice.
All the cell designations take so long to write out in long XY-chains. It seems so obvious what they must be, so som ...
  Topic: UR+SL: Mike Barker's UR+2B/1SL
WorldO

Replies: 5
Views: 18018

PostForum: Puzzles by daj   Posted: Mon Jun 22, 2020 9:22 am   Subject: UR+SL: Mike Barker's UR+2B/1SL
Awhile back, I re-wrote all of my UR routines to rely on finding an X-pattern in two digits (under UR conditions). The potential UR condition would still be detected because this pattern of candidates ...
  Topic: Advanced for 021819
WorldO

Replies: 5
Views: 8633

PostForum: Other puzzles   Posted: Mon Jun 22, 2020 9:16 am   Subject: Advanced for 021819
I see now why I missed Sue de Coq. It was no longer available due to the Naked Triple, which essentially made the same eliminations. Still a nice technique. I needed something similar to Clement's las ...
  Topic: An extreme VH 112619
WorldO

Replies: 5
Views: 5406

PostForum: Other puzzles   Posted: Mon Jun 22, 2020 9:13 am   Subject: An extreme VH 112619
It was no longer available due to the Naked Triple , which essentially made the same eliminations. Still a nice technique. I needed something similar to Clement's last two steps to solve as well.
che ...
  Topic: Could use some help
WorldO

Replies: 6
Views: 5772

PostForum: Other puzzles   Posted: Mon Jun 22, 2020 9:11 am   Subject: Could use some help
I see now why I missed the Sue de Coq. It was no longer available due to the Naked Triple , which essentially made the same eliminations. Still a nice technique. I needed something similar to Clement' ...
  Topic: How do I solve this without doing trial and error?
WorldO

Replies: 9
Views: 33943

PostForum: Solving techniques, and terminology   Posted: Mon May 11, 2020 12:38 pm   Subject: How do I solve this without doing trial and error?
The single-digit techniques I have described above will get you a long way, but it is unlikely they will solve many “Very Hard”, “Advanced”, or “Fiendish” puzzles you encounter. For those you need to ...
  Topic: How to solve Sudoku
WorldO

Replies: 7
Views: 24153

PostForum: Solving techniques, and terminology   Posted: Mon May 11, 2020 12:35 pm   Subject: How to solve Sudoku
I have given simple rules to identify which digits might (or which digits cannot) yield SDSL reductions. In most puzzles, this focuses attention on at most three digits, saving much time in searching ...
 
Page 1 of 1
All times are GMT
Jump to:  


Powered by phpBB © 2001, 2005 phpBB Group