| Author | 
	Message | 
  
  
	   Topic: Learning W-Wings | 
  
  
	leocar 
	   
	  Replies: 11 
	  Views: 8288681 
	 | 
	 Forum: 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: 11 
	  Views: 8288681 
	 | 
	 Forum: 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: 11 
	  Views: 8288681 
	 | 
	 Forum: 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: 11 
	  Views: 8288681 
	 | 
	 Forum: 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: 26092 
	 | 
	 Forum: 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: 26092 
	 | 
	 Forum: 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: 23780 
	 | 
	 Forum: 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: 64869 
	 | 
	 Forum: 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: 64869 
	 | 
	 Forum: 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: 64869 
	 | 
	 Forum: 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 it’s too difficult, is this true and it’s  ... | 
  
  
	   Topic: Very Hard 13-01-2009 | 
  
  
	leocar 
	   
	  Replies: 2 
	  Views: 26977 
	 | 
	 Forum: 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: 26977 
	 | 
	 Forum: 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) ... | 
  
  
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