Advanced solving techniques
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- Almost Hidden Sets--Useful? Redundant?
by re'born » Mon Feb 13, 2006 7:17 am - 7 Replies
- 3863 Views
- Last post by aeb
Wed Feb 15, 2006 12:33 am
- Almost Hidden Sets--Useful? Redundant?
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- Downscoring some "Sudokus We Can't Solve By Logic"
by algol » Sun Feb 12, 2006 7:08 pm - 8 Replies
- 5112 Views
- Last post by algol
Tue Feb 14, 2006 4:39 pm
- Downscoring some "Sudokus We Can't Solve By Logic"
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- Samurai Sudoku solver
by Guest » Tue Feb 14, 2006 3:30 am - 0 Replies
- 2058 Views
- Last post by Guest
Tue Feb 14, 2006 3:30 am
- Samurai Sudoku solver
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- Creating Sudoku puzzles
by luvsudoku » Sun Feb 12, 2006 7:27 pm - 4 Replies
- 2219 Views
- Last post by deam3r
Mon Feb 13, 2006 4:58 am
- Creating Sudoku puzzles
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- Three Puzzles
1, 2by Carcul » Thu Feb 09, 2006 11:03 am - 25 Replies
- 7826 Views
- Last post by gsf
Mon Feb 13, 2006 3:15 am
- Three Puzzles
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- New to Sudoku, Expert help needed about advanced techniques
by Gunns » Sat Feb 11, 2006 4:40 pm - 1 Replies
- 1866 Views
- Last post by TKiel
Sat Feb 11, 2006 8:16 pm
- New to Sudoku, Expert help needed about advanced techniques
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- How is this (forcing chain?) called?
by henk » Sat Feb 11, 2006 4:02 pm - 4 Replies
- 1650 Views
- Last post by tarek
Sat Feb 11, 2006 4:40 pm
- How is this (forcing chain?) called?
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- Multi colouring - expert help required
by CathyW » Fri Feb 10, 2006 10:24 am - 5 Replies
- 2135 Views
- Last post by CathyW
Fri Feb 10, 2006 11:10 pm
- Multi colouring - expert help required
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- Generalization of XYZ-wing
by vidarino » Wed Feb 08, 2006 3:36 pm - 7 Replies
- 6683 Views
- Last post by aeb
Thu Feb 09, 2006 12:01 am
- Generalization of XYZ-wing
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- Error Chains (new solve technique?)
1, 2by Graeme » Mon Feb 06, 2006 10:39 am - 16 Replies
- 6044 Views
- Last post by Havard
Wed Feb 08, 2006 9:03 pm
- Error Chains (new solve technique?)
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- A tough one?
by vidarino » Tue Feb 07, 2006 11:49 pm - 7 Replies
- 2692 Views
- Last post by aeb
Wed Feb 08, 2006 4:16 pm
- A tough one?
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- What methods do you use past mixed forcing chains + nishio?
1, 2by tso » Sun Feb 05, 2006 7:16 pm - 17 Replies
- 4964 Views
- Last post by Jeff
Tue Feb 07, 2006 3:15 am
- What methods do you use past mixed forcing chains + nishio?
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- sudoku of the day step by step solution
by michgirl » Fri Feb 03, 2006 4:02 pm - 4 Replies
- 2439 Views
- Last post by Havard
Mon Feb 06, 2006 12:21 pm
- sudoku of the day step by step solution
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- Colouring question
by pjaj » Fri Feb 03, 2006 5:31 pm - 7 Replies
- 2374 Views
- Last post by TKiel
Sun Feb 05, 2006 5:20 pm
- Colouring question
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- Unique non-rectangles?
by PhilC » Fri Feb 03, 2006 11:26 pm - 8 Replies
- 2423 Views
- Last post by tarek
Sat Feb 04, 2006 11:39 am
- Unique non-rectangles?
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- minimum numbers in sudo ku
by prateek » Tue Jan 31, 2006 1:39 pm - 4 Replies
- 2903 Views
- Last post by sas
Fri Feb 03, 2006 10:32 pm
- minimum numbers in sudo ku
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- A deduction from uniqueness
1, 2, 3by Scott H » Fri Jul 29, 2005 4:54 am - 36 Replies
- 18452 Views
- Last post by Moschopulus
Fri Feb 03, 2006 12:33 pm
- A deduction from uniqueness
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- Is the "hidden subset" technique necessary?
by Christianbuus » Fri Feb 03, 2006 10:12 am - 2 Replies
- 1861 Views
- Last post by Jeff
Fri Feb 03, 2006 11:10 am
- Is the "hidden subset" technique necessary?
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- Uniqueness & XY/XYZ wing
by tarek » Thu Feb 02, 2006 4:52 pm - 2 Replies
- 1497 Views
- Last post by tarek
Thu Feb 02, 2006 5:40 pm
- Uniqueness & XY/XYZ wing
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- Multiple Colors in Simple Sudoku
by JeffInCA » Tue Jan 31, 2006 5:47 am - 6 Replies
- 2989 Views
- Last post by JeffInCA
Tue Jan 31, 2006 10:46 am
- Multiple Colors in Simple Sudoku
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- what solving technique should have been applied here?
by papakapp » Mon Jan 30, 2006 8:31 am - 7 Replies
- 2833 Views
- Last post by eclark
Tue Jan 31, 2006 4:40 am
- what solving technique should have been applied here?
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- Need more difficult puzzle
by jsmarba » Mon Jan 30, 2006 6:02 pm - 1 Replies
- 1167 Views
- Last post by CathyW
Mon Jan 30, 2006 6:28 pm
- Need more difficult puzzle
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- Request
by handshakeit » Mon Jan 30, 2006 7:08 am - 1 Replies
- 1050 Views
- Last post by Shazbot
Mon Jan 30, 2006 9:07 am
- Request
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- Gone Fishing
by TKiel » Sun Jan 29, 2006 4:19 pm - 0 Replies
- 1184 Views
- Last post by TKiel
Sun Jan 29, 2006 4:19 pm
- Gone Fishing
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- What is this called?
by Mike Barker » Mon Jan 23, 2006 7:22 am - 12 Replies
- 5745 Views
- Last post by Jeff
Sat Jan 28, 2006 2:02 am
- What is this called?
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- Something possibly new?
by Phartinoogan » Fri Jan 27, 2006 5:00 am - 2 Replies
- 1800 Views
- Last post by tso
Fri Jan 27, 2006 6:39 pm
- Something possibly new?
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- Please assist, I've reached my limits
by dgwil » Fri Jan 27, 2006 9:44 am - 9 Replies
- 3542 Views
- Last post by dgwil
Fri Jan 27, 2006 5:00 pm
- Please assist, I've reached my limits
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- General Steps to Solving
by mello » Fri Jan 27, 2006 12:33 am - 1 Replies
- 3072 Views
- Last post by TKiel
Fri Jan 27, 2006 3:15 pm
- General Steps to Solving
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- Coloring does it all??
1, 2by jdm » Sun Jan 22, 2006 3:06 pm - 15 Replies
- 6142 Views
- Last post by castalia
Thu Jan 26, 2006 2:10 am
- Coloring does it all??
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- forcing chains
by michgirl » Tue Jan 24, 2006 11:05 pm - 5 Replies
- 2505 Views
- Last post by CathyW
Wed Jan 25, 2006 4:00 pm
- forcing chains
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- Unsolvable puzzle needed
by tze26 » Tue Jan 24, 2006 10:12 am - 6 Replies
- 3603 Views
- Last post by Crazy Girl
Wed Jan 25, 2006 1:37 pm
- Unsolvable puzzle needed
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- Some success for Sherlock
by Sue De Coq » Thu Oct 27, 2005 11:19 pm - 11 Replies
- 4807 Views
- Last post by tarek
Tue Jan 24, 2006 2:59 am
- Some success for Sherlock
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- "Starfish" or "Squirmbag"???
by chrisr » Mon Jan 23, 2006 2:47 pm - 1 Replies
- 2012 Views
- Last post by Havard
Mon Jan 23, 2006 2:51 pm
- "Starfish" or "Squirmbag"???
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- Nice loops for elementary level players - the xy-chain
by Jeff » Sun Jan 22, 2006 12:22 pm - 13 Replies
- 12734 Views
- Last post by Jeff
Mon Jan 23, 2006 7:14 am
- Nice loops for elementary level players - the xy-chain
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- Simple Colouring and Grouping of Candidates
1, 2by ronk » Sat Jan 21, 2006 12:58 am - 25 Replies
- 16655 Views
- Last post by Myth Jellies
Sun Jan 22, 2006 6:17 pm
- Simple Colouring and Grouping of Candidates
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- Myth Jellies's Sashimi/Filet of Anything Concept
by Myth Jellies » Sun Jan 22, 2006 7:12 am - 3 Replies
- 3210 Views
- Last post by Jeff
Sun Jan 22, 2006 8:13 am
- Myth Jellies's Sashimi/Filet of Anything Concept
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- Fastest Times
by sudokist » Fri Jul 22, 2005 7:19 pm - 11 Replies
- 8406 Views
- Last post by Crazy Girl
Sat Jan 21, 2006 6:17 pm
- Fastest Times
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