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 12 matches
dailysudoku.com Forum Index
Author Message
  Topic: Learning W-Wings
leocar

Replies: 10
Views: 9751

PostForum: Solving techniques, and terminology   Posted: Mon Aug 08, 2022 10:33 pm   Subject: Learning W-Wings

+------------+----------+----------+
| 28 1 3 | 28 7 5 | 9 4 6 |
| 49 7 2489 | 3 89 6 | 1 28 5 |
| 6 5 289 | 289 1 4 | 3 7 28 |
+------------+----------+----------+
| 49 3 ...
  Topic: Learning W-Wings
leocar

Replies: 10
Views: 9751

PostForum: Solving techniques, and terminology   Posted: Thu Jun 30, 2022 3:01 am   Subject: Learning W-Wings
Hi, while I was waiting for another VH, I looked at one from a few years back (I think it was from Tue 3-Jun-2014). After completing a X-Y wing I was left with the puzzle below which is graded hard. ...
  Topic: Learning W-Wings
leocar

Replies: 10
Views: 9751

PostForum: Solving techniques, and terminology   Posted: Thu Jun 16, 2022 10:41 pm   Subject: Learning W-Wings
Thank you both for the replies. It has helped me understand the method better as well as proving it and having another potential solving method.
  Topic: Learning W-Wings
leocar

Replies: 10
Views: 9751

PostForum: Solving techniques, and terminology   Posted: Thu Jun 16, 2022 3:17 am   Subject: Learning W-Wings
Hi, I'm learning how to find and use W-Wings. Today's daily sudoku (16/06/2022) I think may have had one even though it has nothing to do with solving the puzzle. Can someone please let me know if I h ...
  Topic: Sudoku book puzzle
leocar

Replies: 2
Views: 10597

PostForum: Other puzzles   Posted: Thu Jan 02, 2014 2:39 am   Subject: Sudoku book puzzle
Thanks, thought the solution wasn't too difficult, just couldn't see it.
  Topic: Sudoku book puzzle
leocar

Replies: 2
Views: 10597

PostForum: Other puzzles   Posted: Thu Jan 02, 2014 12:34 am   Subject: Sudoku book puzzle
Hi, I'm stuck on the puzzle below in my Sudoku book. Can anyone help me please. Thanks

Leo




+-----------+-------------+--------------+
| 6 1 9 | 2 5 38 | 38 7 4 |
| 7 5 8 ...
  Topic: Difficult puzzle
leocar

Replies: 2
Views: 10483

PostForum: Other puzzles   Posted: Thu Jun 03, 2010 9:25 am   Subject: Difficult puzzle
Hi, I came across this puzzle but got stuck very early. Can someone please help me with the next step as I am at a loss. Thank you.
Leo



+----------------+-------------+----------------+
| 7 ...
  Topic: Local Paper Puzzle
leocar

Replies: 12
Views: 25882

PostForum: Other puzzles   Posted: Sat May 15, 2010 4:15 am   Subject: Local Paper Puzzle
Thank you for the responses. I think I have the W-Wing worked out (I hope). So if the start is the R2C8 23 then linked to the 2 in R3C7, then linked to the 2 in R9C7 and ending with the 23 in R9C5. No ...
  Topic: Local Paper Puzzle
leocar

Replies: 12
Views: 25882

PostForum: Other puzzles   Posted: Fri May 14, 2010 11:41 am   Subject: Local Paper Puzzle
Is it the 2 in R9C8 which is eliminated leaving 36 but I can't see the next step. Much to my frustration! Is there another X wing that I'm missing?[/quote]
  Topic: Local Paper Puzzle
leocar

Replies: 12
Views: 25882

PostForum: Other puzzles   Posted: Fri May 14, 2010 10:46 am   Subject: Local Paper Puzzle
Hi,

below is where I got with basics (further below is the original puzzle) but can't get any further. The puzzle is out of a local paper. The grader says itís too difficult, is this true and itís ...
  Topic: Very Hard 13-01-2009
leocar

Replies: 2
Views: 11148

PostForum: Daily Sudoku puzzles   Posted: Fri Mar 05, 2010 7:22 am   Subject: Very Hard 13-01-2009
Thank you for that, for some reason I was using the cell I was trying to eliminate from as the pivot! It's much clearer now.

Cheers
Leo
  Topic: Very Hard 13-01-2009
leocar

Replies: 2
Views: 11148

PostForum: Daily Sudoku puzzles   Posted: Thu Mar 04, 2010 5:46 am   Subject: Very Hard 13-01-2009
Hi, I'm just learning how to complete the very hard sudoku's and I'm confussed with the x-y wings. I have attached a code from 13-01-2009 VH.

I thought there was an x-y wing 567 (R6C1, R5C3, R4C8) ...
 
Page 1 of 1
All times are GMT
Jump to:  


Powered by phpBB © 2001, 2005 phpBB Group