Everything about Sudoku that doesn't fit in one of the other sections
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- ALS Algorithm Needed
by Sudtyro2 » Tue Sep 10, 2013 8:01 pm
- 4 Replies
- 1702 Views
- Last post by Sudtyro2
Wed Sep 11, 2013 6:36 pm
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- what is Back link?
by tomdean » Tue Sep 03, 2013 7:50 am
- 1 Replies
- 1453 Views
- Last post by David P Bird
Thu Sep 05, 2013 8:51 am
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- Daily Sudoku Forum is down
by keith » Sat Oct 20, 2012 10:07 pm
- 14 Replies
- 2739 Views
- Last post by hughwill
Fri Aug 23, 2013 9:05 am
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- Stripping Out Redundant Clues
by David P Bird » Thu Jan 03, 2013 8:03 pm
- 32 Replies
- 4879 Views
- Last post by StrmCkr
Fri Aug 02, 2013 4:48 pm
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- The real distribution of minimal puzzles
by denis_berthier » Tue Nov 30, 2010 3:45 pm
- 63 Replies
- 10552 Views
- Last post by denis_berthier
Thu Aug 01, 2013 7:40 am
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- AICs with 9 links - and new original names
by 999_Springs » Wed Jul 24, 2013 9:00 pm
- 0 Replies
- 1501 Views
- Last post by 999_Springs
Wed Jul 24, 2013 9:00 pm
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- Holes beget holes
by Red Ed » Thu May 23, 2013 10:17 pm
- 18 Replies
- 3077 Views
- Last post by daj95376
Thu May 30, 2013 3:28 pm
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- Universal Elimination Pattern for hard puzzles
by logel » Fri Apr 19, 2013 2:21 pm
- 101 Replies
- 12745 Views
- Last post by denis_berthier
Tue May 21, 2013 6:26 am
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- How do ARs Arise?
by David P Bird » Fri Mar 29, 2013 10:02 am
- 25 Replies
- 3397 Views
- Last post by denis_berthier
Wed May 08, 2013 3:51 pm
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- Sudoku's maths
by Hoetre » Fri Apr 26, 2013 10:24 am
- 3 Replies
- 1334 Views
- Last post by Hoetre
Sat Apr 27, 2013 1:03 pm
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- One flew over the backdoors
by dobrichev » Thu Dec 06, 2012 9:14 pm
- 63 Replies
- 8133 Views
- Last post by denis_berthier
Fri Apr 19, 2013 10:21 am
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- Four-Row Cover
by holdout » Wed Apr 03, 2013 8:46 pm
- 11 Replies
- 1845 Views
- Last post by Red Ed
Wed Apr 17, 2013 9:37 pm
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- Counting Cases
by David P Bird » Wed Apr 17, 2013 10:25 am
- 1 Replies
- 1299 Views
- Last post by dobrichev
Wed Apr 17, 2013 6:15 pm
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- Sudokus with one solution
by Krillere » Wed Feb 20, 2013 2:13 pm
- 1 Replies
- 1295 Views
- Last post by champagne
Thu Feb 21, 2013 2:27 am
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- Please share with us the tricks
by edwardfranco » Tue Jan 22, 2013 7:39 am
- 0 Replies
- 1244 Views
- Last post by edwardfranco
Tue Jan 22, 2013 7:39 am
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- There is no 16-clue puzzle
by moschopulus2 » Sun Jan 01, 2012 12:53 pm
- 15 Replies
- 4161 Views
- Last post by 999_Springs
Sun Jan 20, 2013 10:46 pm
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- Su-Doku's maths
by steveb » Mon Mar 14, 2005 9:31 pm
- 614 Replies
- 693134 Views
- Last post by JasonLion
Sun Dec 16, 2012 7:22 pm
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- Minimal Unavoidable Set with 49 permutations
by dobrichev » Sat Feb 19, 2011 2:22 pm
- 69 Replies
- 9380 Views
- Last post by Serg
Wed Dec 05, 2012 7:26 am
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- cannot access sudopedia.org
by engage » Sat Feb 04, 2012 2:43 pm
- 12 Replies
- 2756 Views
- Last post by David P Bird
Sun Nov 25, 2012 7:24 am
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- Greatest divergance possible in dual solution puzzle?
by tso » Tue Sep 06, 2005 8:55 pm
- 45 Replies
- 28666 Views
- Last post by dobrichev
Sun Nov 18, 2012 11:22 am
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- A Pure Swordfish Collection
by tarek » Mon Dec 17, 2007 11:50 pm
- 73 Replies
- 22118 Views
- Last post by Pat
Thu Nov 15, 2012 2:41 pm
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- even & odd numbers formation
by 7b53 » Thu Oct 04, 2012 4:11 am
- 5 Replies
- 1709 Views
- Last post by Pat
Wed Oct 10, 2012 1:20 pm
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- Andrew Stuart - Weekly Extreme 'Unsolveable' Sudoku Puzzle
by JC Van Hay » Fri Apr 06, 2012 2:23 pm
- 11 Replies
- 3177 Views
- Last post by champagne
Sun Sep 30, 2012 3:26 pm
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- Does adding colors with numbers help solving sudoku?
by sukugo » Sat Sep 15, 2012 12:24 am
- 1 Replies
- 1330 Views
- Last post by JasonLion
Sat Sep 15, 2012 6:32 pm
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- Extremely Hard Sudoku
by TheMoop » Fri Aug 24, 2012 1:03 am
- 2 Replies
- 1854 Views
- Last post by JasonLion
Fri Aug 24, 2012 12:46 pm
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- Telkin Hard Sudoku Thread
by Telkin » Wed Jul 11, 2012 9:52 pm
- 3 Replies
- 1396 Views
- Last post by Pat
Wed Jul 25, 2012 7:54 am
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- Cycle factorization classes
by Serg » Tue Jul 24, 2012 10:52 pm
- 0 Replies
- 2025 Views
- Last post by Serg
Tue Jul 24, 2012 10:52 pm
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- The hardest-ever sudoku?
by dino_hsu_1019 » Thu Jul 12, 2012 10:44 am
- 1 Replies
- 2556 Views
- Last post by Pat
Thu Jul 12, 2012 11:09 am
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- A Pure X-Wing Collection.
by Ocean » Fri Apr 28, 2006 7:54 pm
- 64 Replies
- 32344 Views
- Last post by Pat
Thu Jun 21, 2012 10:14 am
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- One-band patterns
by Serg » Sun Apr 01, 2012 4:16 pm
- 16 Replies
- 3473 Views
- Last post by Serg
Tue Jun 12, 2012 7:48 pm
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- One-clue-boxes patterns
by Serg » Fri Sep 30, 2011 11:01 pm
- 59 Replies
- 7977 Views
- Last post by Serg
Wed May 23, 2012 9:26 pm
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- Investigation of one-band-free patterns
by Serg » Sun Feb 06, 2011 5:02 pm
- 41 Replies
- 6144 Views
- Last post by Afmob
Fri Apr 20, 2012 2:39 pm
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- Backdoors
by Gorbi » Wed Apr 04, 2012 3:05 pm
- 3 Replies
- 1572 Views
- Last post by RW
Tue Apr 10, 2012 9:06 am
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- New Solving Technique (I think)
by pjb » Tue Jan 10, 2012 5:10 am
- 117 Replies
- 15638 Views
- Last post by pjb
Thu Feb 23, 2012 9:12 am
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- Invalid (incompletable) 4-template(s)
by dobrichev » Wed Feb 08, 2012 11:28 pm
- 21 Replies
- 3004 Views
- Last post by David P Bird
Sun Feb 12, 2012 10:52 am
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- 'Sudoku Seasons - Love Quotes Contest'
by 99Games » Thu Feb 09, 2012 10:45 am
- 0 Replies
- 1501 Views
- Last post by 99Games
Thu Feb 09, 2012 10:45 am
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- sudoku 20*20 (5*4)
by whk01 » Wed Jan 11, 2012 10:38 pm
- 0 Replies
- 1350 Views
- Last post by whk01
Wed Jan 11, 2012 10:38 pm
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- Solve Every Sudoku without Guessing
by sdk_fan » Thu Sep 29, 2011 7:18 am
- 63 Replies
- 11103 Views
- Last post by Serg
Tue Jan 10, 2012 5:23 pm
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- Collection of sudokus
by lerxst » Tue Nov 15, 2011 4:09 pm
- 36 Replies
- 5413 Views
- Last post by Pat
Thu Jan 05, 2012 8:17 am
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- Puzzle design by remove-add and remove-remove-add steps
by Thierry Moreau » Mon Jan 02, 2012 6:36 pm
- 0 Replies
- 1404 Views
- Last post by Thierry Moreau
Mon Jan 02, 2012 6:36 pm
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