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	   Topic: Sep 29 - Logic behind an elimination? | 
  
  
	blackwood 
	   
	  Replies: 5 
	  Views: 53152 
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	 Forum: Daily Sudoku puzzles   Posted: Mon Oct 02, 2006 2:32 pm   Subject: Sep 29 - Logic behind an elimination? | 
  
  
	| I'm not familiar with "finned" x-wings.  does the logic you expained work because the "finned" part of the x-wing is in the same box as part of the x-wing or would it still apply even if they where in ... | 
  
  
	   Topic: Sep 29 - Logic behind an elimination? | 
  
  
	blackwood 
	   
	  Replies: 5 
	  Views: 53152 
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	 Forum: Daily Sudoku puzzles   Posted: Fri Sep 29, 2006 6:11 pm   Subject: Sep 29 - Logic behind an elimination? | 
  
  
	Ok, I hate it when these puzzles humble us.  I looked all over for x-wings, swordfish, unique rectangles, and remote pairs.  I've been staring at it too long... :shock:
  I just missed that x-wing, eve ... | 
  
  
	   Topic: Sep 29 - Logic behind an elimination? | 
  
  
	blackwood 
	   
	  Replies: 5 
	  Views: 53152 
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	 Forum: Daily Sudoku puzzles   Posted: Fri Sep 29, 2006 5:34 pm   Subject: Sep 29 - Logic behind an elimination? | 
  
  
	| Basic moves got me to the point shown below. While looking at the 7's I noticed that no matter where the 7 was in block 5, (r5c5 or r6c6) the 7 in block 6 would end up in r4c9. (The highlighted square ... | 
  
  
	   Topic: September 12 Very hard | 
  
  
	blackwood 
	   
	  Replies: 23 
	  Views: 156809 
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	 Forum: Daily Sudoku puzzles   Posted: Tue Sep 12, 2006 5:51 pm   Subject: September 12 Very hard | 
  
  
	There is a hidden set {5,6} in R3C8 and R7C8.  This then leaves the 4 in R3C6 as the only 4 for R3. (A pinned square)
  Blackwood | 
  
  
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